The 10 Best Data Protection Companies in London - 2025 Reviews

Top Data Protection Companies in London

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Safeguard your business with London's leading data protection companies. Our curated selection showcases top-tier experts in data privacy, compliance, and cybersecurity. Explore each company's profile to view their track record, client testimonials, and specialties in areas such as GDPR compliance, data breach prevention, and privacy impact assessments. Whether you're a startup or an established enterprise, find the perfect partner to fortify your data security strategy. Need tailored data protection services? Use Sortlist to post your specific requirements, allowing London's finest data protection specialists to reach out with bespoke solutions designed to meet your unique needs and ensure your valuable information remains secure in today's digital landscape.

Top Featured Data Protection Companies

All Data Protection Services in London

  • 5
    (1 review)

    Your trusted partner for guaranteed software delivery

    Top awarded
    ELEKS is a trusted global company that provides full-cycle software engineering outsourcing services, from ideation to finished products.
    Looking for work in Data Protection
    Located in Berlin, Germany (+15)
    From €20,000 for Data Protection
    Worked in Energy & Oil (+10)
    Speaks English, French(+1)
    1001-5000 members
  • (0 review)

    Bringing the future to humanity

    AI Technologies architects, develops and manages data related software and solutions using state of the art algorithms and data science procedures (including but not limited to artificial intelligence). We are firm dedicated to implement data related solutions into business processes and procedures. We are able to: -transform highly repetitive, manual intensive processes into efficient, lean and error proof processes (our automation rate and so ROI is between 40-80%) -help clients with their data strategy -develop leading edge artificial intelligence IP solutions.
    Looking for work in Data Protection
    Located in London, United Kingdom
    From €5,000 for Data Protection
    Worked in Travel & Leisure (+6)
    Speaks English
    11-50 members
  • (0 review)

    🛡️ Cyber Legion: UK-EU based, CREST Approved for Penetration Testing in EMEA.

    🛡️ Cyber Legion Ltd – Your Trusted Cybersecurity Partner Cyber Legion: UK-EU based, CREST Approved for Penetration Testing in EMEA. We specialize in advanced security testing and streamlined product security, offering Penetration Testing, Security Consulting, and Advisory services. At Cyber Legion Ltd, a UK-EU-based cybersecurity company, we are your trusted partner in securing the digital age, with a particular emphasis on remote work environments and product security. As a CREST Approved organization in EMEA for Penetration Testing Services, we specialize in offering comprehensive services tailored to meet the evolving challenges of the digital landscape. Our experienced team specializes in advanced cybersecurity testing and consultancy services, with a focus on the unique challenges posed by remote work. We empower businesses, individuals, and families to enhance their cyber resilience, safeguarding their reputations and well-being in an increasingly interconnected digital world. Committed to advancing cyber maturity and business continuity, Cyber Legion leverages cutting-edge technologies and best practices. We prioritize the security intricacies of remote work and the integrity of digital products to ensure your peace of mind. In addition to our core services, we provide a comprehensive platform for those looking to expand their knowledge in cybersecurity. Access educational materials, videos, tests, and custom tools to enhance your skills and stay up-to-date with the latest cybersecurity knowledge. Check out our website to access our Cyber Security Learning materials and take the first step towards securing your business, family, or personal digital assets.
    Looking for work in Data Protection
    Located in Greater London, United Kingdom
    From €1,000 for Data Protection
    Works in multiple industries
    Speaks English, Italian(+1)
    1-10 members
  • 5
    (8 reviews)

    Beyond outsourcing: Your extended team

    Top awarded
    *instinctools is a leading AI and software development company with 25+ years of experience in guiding global businesses through Digital Transformation. Their comprehensive services include: - AI and Machine Learning development, - custom software solutions, - BI and Big Data, - IoT, - and enterprise automation. They specialize in end-to-end AI integration, helping businesses harness the power of analytics and automation to drive innovation and efficiency. With its global presence that spans from headquarters in Germany and the USA to dynamic development hubs in Poland, India, LATAM, and Kazakhstan, *instinctools has been at the forefront of delivering innovative technological solutions for businesses of all scales worldwide. Powered by 400+ seasoned in-house professionals, the company provides self-managed cross-functional dedicated teams to reduce development costs while increasing speed to market. The company's decades-long commitment to excellence is validated by the following ISO certifications: Quality Management System - ISO 9001:2015 Environmental Management System - ISO 14001:2015 Occupational Health and Safety Management System - ISO 45001:2018 Information Security Management System - ISO 27001:2022 Anti-Bribery Management System - ISO 37001:2016 Learn more: https://www.instinctools.com/
    Looking for work in Data Protection
    Located in Stuttgart, Germany
    From €10,000 for Data Protection
    Worked in Construction (+10)
    Speaks English, German(+1)
    201-500 members
  • (0 review)

    Worldwide Custom Software, Mobile-Web-Desktop Apps, AI, Backend Server, Cloud Development Solutions.

    Softexpoit's team of experts combines technical expertise and creativity to develop custom software, mobile apps, web apps, desktop apps, backend, server apps, IoT, cloud solutions and so on that meet your specific business/official needs/goals. ​ We understand that every business is different, which is why we offer customized solutions that are designed to meet your specific business needs/goals/objectives. Whether you're looking to digitalize or optimize your overall enterprise functions, encompassing business operations/process, marketing, finance, HR, IT, and more, or want to provide value-added services to your business customers, or want to launch a successful Software as a Service (SaaS) product/platform in the Market, we are here to help. we are dedicated to delivering cutting-edge custom software solutions for businesses of all industries. Our team of expert developers has a proven track record of delivering high-quality, industry-specific apps that drive business growth and efficiency. ​ We are committed to helping our clients achieve their Business/Official goals through our Services. Our portfolio of successful projects speaks to our expertise and commitment to excellence, and we are always eager to take on new challenges. Contact us to learn more about how we can help you transform your business with our custom solutions.
    Looking for work in Data Protection
    Located in Greater London, United Kingdom
    From €5,000 for Data Protection
    Works in multiple industries
    Speaks English
    51-200 members
  • 5
    (3 reviews)

    Software Development and IT Consulting Company

    Top awarded
    Timspark is at the forefront of software development, renowned for rapidly deploying skilled engineering talent. We specialize not just in staffing, but in curating and nurturing expert teams capable of addressing the diverse IT challenges of our clients. Our approach combines the agility and speed of mobilizing top-tier resources with deep expertise in team composition, ensuring each project is met with a tailored, effective, and innovative solution. This unique blend of skills and services allows our clients to scale and innovate with unmatched efficiency and confidence.
    Looking for work in Data Protection
    Located in Saint Petersburg, United States
    From €3,000 for Data Protection
    Worked in Logistics & Supply Chain (+6)
    Speaks English, Armenian(+7)
    1001-5000 members
  • (0 review)

    See Beyond, Rise Above

    Persistent Systems is a global technology services company specializing in software product development and technology solutions. Established in 1990 and headquartered in Pune, India, the company operates across multiple sectors including healthcare, banking, financial services, telecommunications, and life sciences. Persistent offers a comprehensive range of services such as digital strategy and transformation, application development, product engineering, and data-driven insights, as well as cloud, security, and enterprise IT services.
    Looking for work in Data Protection
    Located in Lyne, United Kingdom (+35)
    From €1,000 for Data Protection
    Worked in Clothing & Accessories (+1)
    Speaks English
    10001+ members
  • 5
    (9 reviews)

    Best Software Development Company

    Recommended
    MMC Global is an award-winning business solutions provider that serves organizations across different industry verticals around the globe. We helps organizations streamline business operations and compete in the global marketplace by focusing on a range of cutting-edge technologies: Artificial Intelligence Solutions Chatbot Development Product Strategy Design UX/UI Mobile application development Web application and website Development Security Consultant, DevOps Data Science Digital Marketing We believe that technical execution should not be a barrier to developing new projects, which is why we work closely with our customers to understand their vision, help them define their product, then design, build and launch it in the most efficient way possible. We have already developed application, mobile application and different solutions for Startups, Small Medium Enterprise (SME) and enterprises, streaming web applications, erp applications, MVPs, business process automation systems, e-commerce sites and many others. For a transformative digital journey, reach out to us at [email protected] to discuss your project!
    Looking for work in Data Protection
    Located in Dubai, United Arab Emirates (+2)
    From €1,000 for Data Protection
    Worked in Non-profit (+4)
    Speaks English, Arabic(+1)
    201-500 members
  • (0 review)

    Law Tax Future

    Our international law and tax experts in Germany provide clients with advice in a wide range of law and tax matters. Get in contact with us today!
    Looking for work in Data Protection
    Located in London, United Kingdom
    From €1,000 for Data Protection
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    We deliver transformation, powered by user-centred design, data and technology.

    Cyber-Duck is a digital transformation agency based in London and Hertfordshire. Trusted as one of the top UK digital agencies for over 15 years.
    Looking for work in Data Protection
    Located in London, United Kingdom
    From €1,000 for Data Protection
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    Harnham are the global leader in Data, AI & Analytics recruitment and talent solutions.

    Harnham provides data and analytics recruitment, staffing and talent development services within Data Science, Advance Analytics, AI & NLP.
    Looking for work in Data Protection
    Located in Greater London, United Kingdom
    From €1,000 for Data Protection
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    Your partner for digital excellence in Fintech

    Top awarded
    TechMagic is a forward-thinking software development and consulting company dedicated to providing comprehensive product development services for startups and enterprises. Specializing in various sectors (like Fintech, HealthCare, HR tech, and MarTech) we offer: - web and mobile development - cloud implementation - test automation - data engineering - security testing Our expertise spans a wide range of modern technologies, including Node.js, React, Angular, Vue.js, and mobile platforms like iOS and Android. Additionally, TechMagic has robust capabilities in cloud services, particularly AWS, and Salesforce development. With a focus on delivering high-quality, scalable solutions, TechMagic aims to help businesses innovate and achieve their goals effectively. TechMagic's approach is rooted in understanding the unique needs of their clients, ensuring that every solution is tailored to meet specific business objectives. We leverage Agile methodologies to foster collaboration and transparency throughout the development process, which ensures that clients are always in the loop and can provide input at every stage. This client-centric approach not only helps in delivering products that truly meet user needs but also builds lasting relationships based on trust and mutual success.
    Looking for work in Data Protection
    Located in Lviv, Ukraine
    From €3,000 for Data Protection
    Worked in Software & Computer Services
    Speaks English
    201-500 members
  • (0 review)
    Sota is the UK's no.1 independent provider of IT managed services for support, cloud computing, cyber resilience, connectivity, and unified communications.
    Looking for work in Data Protection
    Located in Kent, United Kingdom
    From €1,000 for Data Protection
    Works in multiple industries
    Speaks English
    1-10 members
  • Purpose-built strategic IT Support for Essex Businesses. 24/7/365, our IT Support is comprehensive in nature, and professional in execution!
    Looking for work in Data Protection
    Located in Essex, United Kingdom
    From €1,000 for Data Protection
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    Custom Software Development | Mobile Apps | Web Development | UX/ UI Design | AI Chatbots

    Digis is a Software Development company with a robust team of 200+ professionals dedicated to custom development and design . We specialize in both web and mobile development , ensuring a comprehensive digital solution for our clients . Our team boasts AI specialists , pushing the boundaries of innovation. We have a wealth of experience across several industries, particularly in Education, Healthcare, Fintech, E-Commerce, Media & Entertainment, GIS and Automotive .
    Looking for work in Data Protection
    Located in Limassol, Cyprus
    From €1,000 for Data Protection
    Worked in Media (+9)
    Speaks English
    201-500 members
  • (0 review)

    When it matters most

    Kingsley Napley is an internationally recognised law firm based in central London. Our wide range of expertise means that we can support our clients in all areas of their business and private life, when it matters most to them. Many of our lawyers are leaders in their field, and our practices are highly rated by the legal directories. Our recent awards and rankings include Independent Law Firm Of The Year (Lawyer), Number 1 Law Firm To Work For (Best Companies), Private Client Team Of The Year (Modern Law), Corporate Immigration Lawyer Of The Year (WWL), and Investigations Lawyer Of The Year (WWL). We are known for combining creative solutions with pragmatism and a friendly, sensitive approach. The relationship between lawyer and client is key. We work hard to match clients with lawyers who have the right mix of skills, experience and approach in order to achieve the best possible outcome. Kingsley Napley LLP is authorised and regulated by the Solicitors Regulation Authority.
    Looking for work in Data Protection
    Unknown location
    From €1,000 for Data Protection
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Clyde & Co is a dynamic, rapidly expanding global law firm focused on providing a complete legal service to clients in our core sectors of Insurance, Construction, Energy, Marine, Trade and Aviation.
    Looking for work in Data Protection
    Unknown location
    From €1,000 for Data Protection
    Works in multiple industries
    Speaks English
    1-10 members
  • Our mission is to make data protection easy and help businesses comply with GDPR, PCI DSS & Data Protection Act.
    Looking for work in Data Protection
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    The UK's data protection officer resource centre: Our expert services help to reduce the GDPR compliance burdens faced by your organisation.
    Looking for work in Data Protection
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • HewardMills helps companies comply with the GDPR and other data laws and regulations across jurisdictions globally.
    Looking for work in Data Protection
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
12

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Customer reviews about Data Protection Companies in London

Compliance ManagerFinance | London, UK

We consulted a Data Protection Service based in London for GDPR compliance, and their expertise was evident from the start. They provided comprehensive auditing services that meticulously assessed our data handling processes. It's reassuring to have such knowledgeable partners in ensuring we are compliant with current legislations.

CTOTechnology | London, UK

After experiencing a significant data breach, we reached out to a reputable Data Protection Company in London. Their prompt and professional approach not only helped secure our data but also guided us on future prevention strategies. Their hands-on training on data security was particularly beneficial for our IT staff.

Practice ManagerHealthcare | London, UK

Engaging with one of London's top Data Protection Companies was a game-changer for our healthcare practice. The tailored solutions they provided for patient data management exceeded our expectations. Their commitment to confidentiality and security has significantly enhanced our patient trust.

Insights from a London Expert: Navigating Data Protection Services

London stands at the forefront of data protection, safeguarding the integrity and privacy of information in one of the world’s most bustling business hubs. With a diverse array of data protection agencies, the city offers robust solutions tailored to the specific needs of businesses.

Achievements and Clientele

Recognised Excellence in the Sector

London-based data protection companies have garnered prestigious awards and recognition for their high standards and innovative practices. Acknowledgements from international cybersecurity forums highlight the city’s commitment to maintaining cutting-edge data security services. Notably, several local providers have received accolades for their exceptional GDPR compliance solutions and innovative data privacy projects.

Distinguished Client Partnerships

These agencies have an impressive roster of clients, ranging from tech startups to multinational corporations. Their expertise in data protection has attracted companies from diverse sectors, including finance, healthcare, and retail, all benefiting from London's superior data security services.

Budget Considerations

Allocating Your Investment Wisely

Budgeting for data protection services is crucial and can vary greatly depending on the complexity of your needs. For small businesses, basic data protection services can start from a few thousand pounds, whereas large enterprises might need to invest significantly more to cover comprehensive data governance frameworks.

It’s advisable to engage in consultations with data protection experts to clearly understand the extent of services you require. Ensuring you invest in adequate protection can ward off costly data breaches and non-compliance penalties, making budget allocation a vital part of your business strategy.

Maximizing Value

For the prudent spender, look towards mid-sized agencies which offer a balance of cost-effectiveness and specialized expertise. Often, these agencies provide customized packages that include not just compliance but also data protection training for your staff, turning it into a long-term investment.

Final Word of Advice

Selecting the right data protection service in London requires careful consideration of your business needs against what the agencies offer. Given the complexity and importance of the task, looking into detailed service descriptions and verified client reviews can inform your decision greatly. As London continues to set standards in data protection, partnering with a local expert can considerably secure your business’s data and compliance stature.

As a Sortlist local expert, I recommend leveraging our extensive network of London-based data protection services, paired with first-hand client reviews and detailed case works, to find your ideal data security partner.

Ray Baijings
Written by Ray Baijings Sortlist Expert in LondonLast updated on the 18-05-2025

Latest Projects Submitted to Data Protection Services in London

Comprehensive Data Security AuditLarge Retail Corporation40,000£ - 60,000£ | 05-2025A prominent retail corporation requires a full-scale data security audit to identify vulnerabilities in their systems and ensure compliance with data protection regulations. The selected agency should have a proven track record in handling large corporate client needs in the retail sector.
Data Security Enhancement InitiativeGlobal Health & Wellness Enterprise30,000£ - 50,000£ | 05-2025A multinational company in the health and wellness sector is seeking a data protection agency to strengthen their overall data security measures, focusing on securing sensitive customer health data and improving compliance with international data protection laws.
Development of a Comprehensive Data Security FrameworkEstablished Retail Corporation30,000£ - 60,000£ | 05-2025The company is seeking a data protection agency to design and implement a robust data security framework aimed at safeguarding customer data and ensuring compliance with industry standards across multiple retail outlets in the UK.
Sensitive Data Management OverhaulGlobal Healthcare Provider40,000£ - 60,000£ | 05-2025A renowned healthcare organization requires a specialized data protection agency to redesign its sensitive data management system. The aim is to bolster patient data security, ensuring compliance with international privacy regulations, while maintaining data accessibility for healthcare professionals.
Cybersecurity Audit and EnhancementLarge Retail Corporation50,000£ - 100,000£ | 04-2025A leading retail corporation requires an agency to conduct a thorough cybersecurity audit and implement enhancement measures to safeguard customer data and improve overall data protection strategies.

Frequently Asked Questions.


As London continues to be a hub for technological innovation and digital transformation, data protection companies need to evolve their B2B branding to stay relevant and competitive. Here are some key strategies for aligning with current digital transformation trends:

  1. Emphasize Cloud-Native Solutions: With the increasing adoption of cloud technologies in London's business landscape, data protection companies should highlight their expertise in securing cloud environments. Showcase your ability to protect data across multi-cloud and hybrid infrastructures.
  2. Focus on AI and Machine Learning Integration: Incorporate AI and ML capabilities into your branding narrative. Demonstrate how your data protection solutions use these technologies to enhance threat detection, automate responses, and provide predictive analytics.
  3. Highlight Zero Trust Architecture: As remote work becomes more prevalent in London, emphasize your company's approach to zero trust security. Showcase how your solutions support secure access regardless of user location or device.
  4. Showcase Compliance Expertise: With the UK's post-Brexit data protection landscape, highlight your expertise in navigating both UK GDPR and EU GDPR compliance. This is particularly crucial for London-based companies dealing with international data transfers.
  5. Embrace DevSecOps: Position your brand as a facilitator of DevSecOps practices. Demonstrate how your data protection solutions integrate seamlessly into the development lifecycle, supporting London's thriving tech startup ecosystem.
  6. Address IoT Security: As London continues its smart city initiatives, showcase your capabilities in securing IoT devices and networks. This is particularly relevant for sectors like finance, healthcare, and transportation.
  7. Leverage Data Visualisation: Incorporate advanced data visualisation tools in your branding materials. Show how your solutions provide clear, actionable insights into data protection status and threats.
  8. Promote Sustainability: Align your brand with London's push for sustainability. Highlight how your data protection solutions contribute to energy efficiency and reduced carbon footprints in data centres and cloud operations.

To effectively communicate these alignments, consider the following branding tactics:

  • Develop case studies featuring successful digital transformation projects with London-based clients.
  • Create thought leadership content addressing specific digital transformation challenges in key London industries like fintech, healthtech, and smart city initiatives.
  • Participate in and sponsor London's tech events and conferences focused on digital transformation and cybersecurity.
  • Collaborate with local tech incubators and accelerators to support and protect innovative startups.
  • Engage with London's tech community through social media and professional networks, sharing insights on the intersection of data protection and digital transformation.

By aligning your B2B branding with these digital transformation trends, data protection companies in London can position themselves as forward-thinking, innovative partners in the city's dynamic tech ecosystem. This approach not only resonates with the current market demands but also helps in attracting top talent in London's competitive tech job market.



Data protection companies in London face a unique challenge when it comes to B2B branding: showcasing their successes while maintaining the utmost confidentiality for their clients. Here are some effective strategies to leverage case studies and success stories without compromising sensitive information:

  1. Anonymise client information: Remove all identifying details such as company names, individual names, and specific locations. Instead, use generic descriptors like 'a leading financial institution in London' or 'a FTSE 100 retail company'.
  2. Focus on results and metrics: Highlight quantifiable outcomes without revealing specifics. For example, 'Reduced data breach risks by 75%' or 'Achieved GDPR compliance 30% faster than industry average'.
  3. Use industry-specific examples: Create composite case studies that blend multiple client experiences within the same sector, ensuring no single client is identifiable.
  4. Obtain explicit permission: When possible, secure written consent from clients to share their success stories, allowing them to review and approve the content before publication.
  5. Emphasise methodology over client details: Describe the approach, technologies, and strategies used to solve problems, rather than focusing on client-specific information.
  6. Leverage visual representations: Use infographics, charts, and diagrams to illustrate success without revealing sensitive data.

Here's an example of how a London-based data protection company might present a case study:

Element Example
Client Description A major London-based financial services provider with over £50 billion in assets under management
Challenge Ensuring compliance with GDPR and UK Data Protection Act 2018 across multiple departments and legacy systems
Solution Implemented a comprehensive data mapping and protection strategy, including staff training and cutting-edge encryption technologies
Results - 99.9% reduction in potential data breach vulnerabilities
- £2 million saved in potential non-compliance fines
- 40% increase in employee data protection awareness scores

By following these guidelines, data protection companies in London can effectively showcase their expertise and successes while maintaining the trust and confidentiality of their clients. This approach not only demonstrates competence but also reinforces the company's commitment to data protection principles in their own marketing practices.



The increasing importance of data protection has significantly influenced B2B branding strategies in London's business ecosystem over recent years. As the UK's financial and business hub, London has been at the forefront of adapting to stringent data protection regulations, particularly in the wake of GDPR implementation and post-Brexit data protection laws.

Here are key ways data protection has shaped B2B branding strategies in London:

  1. Trust-Centric Branding: London-based B2B companies are increasingly positioning themselves as trusted custodians of data. Brands that emphasize their commitment to data protection in their messaging are seeing improved client trust and loyalty.
  2. Compliance as a Competitive Advantage: Many London B2B firms are leveraging their robust data protection practices as a unique selling proposition. They're showcasing certifications like ISO 27001 and Cyber Essentials Plus in their branding materials.
  3. Transparency in Data Practices: B2B brands in London are adopting more transparent communication about their data handling processes. This openness is becoming a key part of brand identity, especially in sectors like fintech and health tech.
  4. Educational Content Marketing: London-based B2B companies are producing more content around data protection, positioning themselves as thought leaders. This strategy helps in building credibility and attracting privacy-conscious clients.
  5. Privacy-First Product Development: Many B2B tech companies in London are incorporating 'privacy by design' principles into their product development processes and using this as a key brand differentiator.

According to a 2023 survey by London & Partners, 78% of London-based B2B tech companies reported that emphasizing data protection in their branding led to increased client acquisition rates. Furthermore, the UK Data Protection Index revealed that 65% of B2B decision-makers in London consider a company's data protection reputation before engaging in business partnerships.

The impact is particularly notable in London's thriving fintech sector. A report by the City of London Corporation found that fintech companies which prominently feature their data protection credentials in their branding saw a 30% increase in B2B partnerships compared to those that didn't.

As we move forward, the trend of data protection-centric branding is likely to intensify. With the UK government's ongoing review of data protection laws post-Brexit, London-based B2B companies will need to stay agile, adapting their branding strategies to reflect evolving regulations and client expectations regarding data protection.