The 10 Best Mobile App Agencies in Marylebone - 2025 Reviews

Top Mobile App Agencies in Marylebone

812 agencies

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Discover Marylebone's premier mobile app agencies, poised to bring your digital vision to life. Our curated selection showcases top-tier developers specializing in crafting innovative and user-friendly mobile applications. Explore each agency's portfolio and client testimonials to gauge their expertise in iOS, Android, and cross-platform development. Whether you're a startup seeking a breakthrough app or an established business looking to enhance your mobile presence, you'll find skilled professionals ready to tackle your project. Use Sortlist to post your specific app requirements, allowing Marylebone's finest mobile app developers to reach out with tailored solutions that align perfectly with your business goals and target audience.

Top Featured Mobile App Agencies

All Mobile App Developers in Marylebone

  • 4.8
    (24 reviews)

    You need design done. Just get it!

    Recommended
    Top awarded
    Your brand designs are too important to be left in the hands of unreliable freelancers or expensive creative agencies. Why not hire an experienced, full-time designer who knows you by name and your brand by heart? Since its creation, Duck.design has been able to capitalize on a number of areas that currently constitute its strength: - Logo, Brand Guide, Style Guide; - Graphic Design; - Web Design; - UI/UX Prototyping; - 3D Design; - Game design; - Explainer Video, 2D Animation, GIF.
    5 works in Mobile App
    Located in Greater London, United Kingdom (+2)
    Budget on request
    Worked in Banking & Financials (+8)
    Speaks English
    51-200 members
  • 5
    (8 reviews)

    We collaborate with purpose-driven organisations to create tech solutions that empower communities

    Top awarded
    Working together across the UK, Gaza, and the EU, we’re committed to designing and developing digital solutions that can drive positive, transformational change. We partner with non-profits, NGOs, and impact-driven businesses to create innovative solutions through technology that address societal challenges, spread knowledge, and transcend borders. If you are looking for a trusted digital partner to help amplify your impact, then get in touch. Why We Are the Partner You Need to Solve Your Problem Leverage the impact of digital with a partner you can trust You know the problems you want to solve, but it can be challenging to know how to use technology effectively. We collaborate with our partners in an open, transparent manner to identify and build digital solutions that amplify your impact and accelerate behavioral change. Create Innovative and Sustainable Solutions We are genuinely committed to tackling societal challenges with you. This means not just creating a product and moving on, but working with you over the long term—building, learning, and iterating with your community to provide lasting impact and amplify sustainability. Unlock Funding and Achieve More with Your Resources We assist our partners in finding and securing grants or investments. We create digital tools in a cost-efficient way, focusing on impact that can be tracked and demonstrated to secure the next round of funding. Our Focus Areas To achieve our mission, we have focused on a number of areas where we combine our digital expertise with partners to deliver digital solutions. Community Resilience and Wellbeing: We support organisations in simplifying complex social issues, providing digital tools for universal credit claims, personal independence payment benefits, cost of living assistance, and housing support. Our commitment lies in addressing these pressing challenges through digital innovation and user-centric design. Education and Empowerment: We believe education should be accessible to all. Our expertise spans e-learning platforms, digital literacy programmes, remote learning tools, and bespoke training resources, all designed to foster inclusive and accessible education for learners of all backgrounds. Healthcare Access and Equity: Our healthcare partnerships focus on creating groundbreaking solutions that bridge gaps in access and delivery. We develop telemedicine platforms, medical professional networks, research and evaluation systems, and other technologies that enhance patient care and streamline healthcare services for all. Advocacy and Civic Engagement: We collaborate with unions and grassroots movements to develop impactful campaigns, create digital platforms for advocacy, harness the power of crowdsourcing, and offer tools to enhance public engagement. By leveraging our expertise in public policy and digital communication, we empower organisations to drive meaningful societal change and influence policy decisions. Volunteer Mobilisation and Impact: We partner with charities and community groups to build effective volunteer engagement systems, making volunteering more accessible, meaningful, and scalable. Our work includes developing comprehensive volunteer management platforms, skills-based matching systems, and time-banking solutions that maximise the impact of volunteer programmes. Sustainable Agriculture and Environmental Stewardship: Our expertise extends to partnering with organisations focused on food security, climate action, and biodiversity conservation. We collaborate to create digital tools for sustainable farming practices, develop climate resilience strategies, and support initiatives aimed at reducing carbon footprints and promoting circular economy principles.
    4 works in Mobile App
    Located in Greater London, United Kingdom
    From €20,000 for Mobile App
    Worked in Non-profit (+5)
    Speaks English, Arabic(+2)
    11-50 members
  • 5
    (6 reviews)

    We build bespoke web and mobile solutions that fit your organisation perfectly.

    We build bespoke online products and mobile apps to help your business grow. We make it our business to understand yours. We're small, friendly and based in Cambridge, UK. Got an idea we can help deliver? A challenge you need help solving? You've just found your team.
    5 works in Mobile App
    Located in Hardwick, United Kingdom
    From €10,000 for Mobile App
    Worked in Music (+8)
    Speaks English
    1-10 members
  • 5
    (7 reviews)

    Driven by design, led by technology. We design and build innovative, human-centered fintech products

    Top awarded
    We're a small, distributed team, with our headquarters located in London. Our team has come together through the passion for solving complicated problems, design and development. We work closely with our clients and their customers to truly understand the values held by all parties. We help businesses bridge this connection and enhance a customer's experience with their product. We're also a full-service studio, which means we can help businesses from concept inception to product delivery and marketing success. Our team’s focus areas include Webflow Development, Brand Strategy, Product Design, Development and Motion Design.
    5 works in Mobile App
    Located in Greater London, United Kingdom
    From €10,000 for Mobile App
    Worked in Banking & Financials (+3)
    Speaks English
    11-50 members
  • 5
    (2 reviews)

    We specialise in building high-performance teams to power your entire marketing engine.

    A trusted UK agency of 20 years, our unique partnership model has been the foundation for our client's success. Working with brands all over the world, our dedicated digital teams have driven significant results for our clients tech platforms and performance marketing.
    4 works in Mobile App
    Located in Warwickshire, United Kingdom
    From €50,000 for Mobile App
    Worked in Others (+8)
    Speaks English
    11-50 members
  • 5
    (5 reviews)

    Reach your digital potential

    Top awarded
    We’re GRM Digital, an award-winning, full-service web development and digital marketing agency based in Leeds, London, Sarajevo, Amsterdam and Islamabad. Since 2009, we've been helping world-leading brands grow by providing high-quality, robust web development, SEO and digital consultancy, backed by in-depth research and analysis.
    2 works in Mobile App
    Located in West Yorkshire, United Kingdom (+4)
    From €20,000 for Mobile App
    Worked in Education (+6)
    Speaks English, Croatian(+2)
    11-50 members
  • 4.9
    (11 reviews)

    TRIARE unlocks IT potential of YOUR business

    Recommended
    TRIARE is a WEB and MOBILE software development company based in Europe. We are delighted to offer our services as your long-term partner, taking all technical matters off your shoulders and allowing you to focus on your business development. YOU WILL GET: ✔ In-house team . Work with a dedicated team that is 100% focused on your product and located in the same office. ✔ Efficiency & transparency , as our process is based on Scrum methodology and managed by certified Scrum Masters. ✔ Fast result. Working with us, you will get the first result in 1 week. ✔ High quality, as TRIARE has well-established processes of software development and experienced specialists. ✔ Full cycle development . Our company covers all stages of development, handling everything from Discovery and prototyping to Design, development, and maintenance. ✔ IP rights . From the very beginning, you are the only owner of the intellectual property of your project materials: source code, design, documentation, etc. ✔ Warranty period will be provided for your system for free. ASPECTS OF OUR MINDSET: - Focused on results. We are focused on the result of your business with an understanding of the real goals and KPIs that our team should achieve. - Solution Provider. It means that we always come to you with solutions, not with questions. We take all technical aspects of the project off your shoulders, allowing you to focus on the marketing and business strategies. - We go the extra mile. Being a proactive company, we always think and take a step ahead. TECHNOLOGIES WE USE: - Mobile app development: Kotlin, Java, Swift, Objective-C. - Cross-platform development: Flutter, React Native. - Web frameworks: Node.JS, React.JS, PHP, Ruby on Rails.
    16 works in Mobile App
    Located in Greater London, United Kingdom (+3)
    From €35,000 for Mobile App
    Worked in Food (+18)
    Speaks English, Ukrainian
    51-200 members
  • 5
    (22 reviews)

    Only senior designers. Evidence-based approach.

    Highly recommended
    Top awarded
    At home in the UK and Germany, we are probably the oldest company in Europe specialised in UX and UI. Our team is formed only of senior designers with 8+ years of experience. Going beyond webapps and mobile apps, we're the foremost experts in embedded systems.
    16 works in Mobile App
    Located in London, United Kingdom (+7)
    From €3,000 for Mobile App
    Worked in Technology Hardware & Equipment (+24)
    Speaks English, Danish(+9)
    11-50 members
  • 5
    (12 reviews)

    We help data-driven businesses grow through world-class digital product and branding design solution

    Top awarded
    Qubstudio is a globally recognized Digital Product Design Agency founded in 2007. We have been long-term partners of worldwide digital-first companies. We design digital products and brands in various industries, such as financial, logistics, medical, educational, and entertainment. For five years in a row, our agency has been globally recognized as a Top UX Design Agency by Clutch. We have received the Red Dot Best of the Best Design Award, Red Dot Design Award, UX Design Award, and others. Our team is 70 highly-qualified creative professionals working on a wide range of design and development. Together we form a community of open-minded people ready to solve complex business issues.
    4 works in Mobile App
    Located in Lviv, Ukraine (+1)
    From €5,000 for Mobile App
    Worked in Entertainment & Events (+16)
    Speaks English, Ukrainian
    51-200 members
  • 5
    (1 review)

    Bespoke Software, Mobile Apps, & Web Solutions – Empowering Your Business with Expert Innovation

    Winderon Software Solutions Ltd specializes in bespoke software development , crafting fully customized, scalable solutions designed to grow with your business. We don’t use off-the-shelf templates—every line of code is written specifically for your unique requirements, ensuring long-term success and adaptability as your business evolves. Services: Custom Software Development: Tailored software solutions that fit your business perfectly and adapt as you grow. Mobile App Development : Build high-performance, feature-rich apps for iOS and Android, tailored to your specific needs. Web Development : Scalable, secure, and robust web solutions that grow with your business and boost your digital presence. UX Design : User-centered design, enhancing engagement and ensuring that your custom solutions are intuitive and effective. Our Approach: We believe in long-term partnerships. Our bespoke development services come with continuous support, updates, and a commitment to evolve your software to meet new business challenges. Technologies We Use: We leverage cutting-edge technologies to build robust, scalable solutions: Front-end : React.js, Angular, Vue.js Back-end : .NET, Node.js, Spring Mobile Development : React Native, Flutter, Swift, Kotlin Databases : MongoDB, MySQL, PostgreSQL, MSSQL, ElasticSearch Cloud Services : Azure, AWS, Google Cloud Why Choose Us? Tailored to You: No two businesses are alike, which is why our solutions are built from scratch, designed with your needs at the center. Long-term Value: We build for the future, ensuring that our solutions are scalable and adapt as your business grows. Cutting-Edge Technology: Our team uses advanced technologies like .NET, React.js, and AWS to deliver high-performance solutions. Partner With Us for Long-Term Success: Our bespoke approach ensures that you get a solution tailored to your business today and evolves with you over time. Contact us for a free consultation at [email protected] and let's explore how we can help drive your business forward.
    1 work in Mobile App
    Located in Greater London, United Kingdom
    From €3,000 for Mobile App
    Worked in Hospitals & Healthcare
    Speaks English, French
    1-10 members
  • 4.8
    (10 reviews)

    Take the software path to your digital future

    Recommended
    Top awarded
    Andersen is a leading software development company with a strong focus on technology-intensive industries. Since its founding in 2007, the company has opened 16+ development centers in the USA and Western Europe. For over 16 years we have been helping enterprises around the world to transform business by creating effective digital solutions with the use of innovative technologies. Andersen has completed over 1000 projects in each industry and received hundreds of positive reviews from customers. Today, the company is working on over 250 global projects. Andersen has a rich front-end, back-end, and mobile stack. 90% of recurring customers mention that Andersen's advantages are fast delivery, ongoing support, and accessible prices. Most of our developers have 10+ years of experience and have successfully delivered many projects. 3500+ qualified experts are ready to implement your idea into the real world. 2024 is going to be a year of digital transformation for all industries. Stay on top of your performance with our IT talent!
    19 works in Mobile App
    Located in Greater London, United Kingdom (+8)
    From €10,000 for Mobile App
    Worked in Hospitals & Healthcare (+24)
    Speaks English, Arabic(+2)
    1001-5000 members
  • 5
    (1 review)

    Compelling design that builds powerful startups and growing businesses

    Kozo Creative is a digital-first agency based in Essex. We work with growing businesses to improve their presence online, using stunning web design, modern development skills and engaging branding.
    1 work in Mobile App
    Located in Southend-on-Sea, United Kingdom
    From €25,000 for Mobile App
    Worked in Legal Services (+4)
    Speaks English
    1-10 members
  • 5
    (34 reviews)

    Crystal-clear hourly billing and hundreds of marketing and creative experts at your disposal.

    Recommended
    Top awarded
    Want to give your brand a boost in visibility, traffic, conversions, sales, and ROI? Take a look at our free marketing plan right here: https://ninjapromo.io/contact We're NinjaPromo and we're obsessed with helping brands like yours scale their marketing without the pain of hiring freelancers or dealing with detached agencies. As a Marketing-as-a-Service (MaaS) company, we’re your one-stop-shop for all things digital marketing. We give you access to the top 1% of marketers and creatives worldwide all for one monthly fee. We lift your brand higher with our multi-channel marketing, branding, and all things creative design. We're passionate about building brand identities, creating visually stunning content, and using the best and the latest tools and techniques to get your brand out there. We know how to make your social media buzz, get your SEO on point, create ads that actually get clicked, reach out to influencers, write emails that get opened, handle your PR, produce videos that tell your story, and design and develop websites that visitors love. And that's just scratching the surface. Here’s a snapshot of our services: SEO PPC SMM Influencer Marketing Email Marketing PR UX/UI Content Creation If you want to join the 250 ambitious brands that are already jump-starting their growth with our subscription-based model, then have a chat with our team today.
    20 works in Mobile App
    Located in Dubai, United Arab Emirates (+7)
    From €1,000 for Mobile App
    Worked in Banking & Financials (+22)
    Speaks English
    201-500 members
  • 5
    (6 reviews)

    PRODUCT DEVELOPMENT TAILORED FOR YOUR BUSINESS

    Recommended
    Magora is a Web & Mobile Development Company that offers digital services to businesses across a broad range of industries, including Pharma & Medtech, Edtech, eLearning and eCommerce. Whether a B2C or a B2B project, iOS or Android app, first of all, we take the time to understand your goals, your product and the end-user’s needs. Our software development cases are loved by users for their convenience and appreciated by customers for the real value they add to your business.
    7 works in Mobile App
    Located in London, United Kingdom
    From €10,000 for Mobile App
    Worked in Consumer Electronics (+9)
    Speaks English
    11-50 members
  • 4.9
    (7 reviews)

    AnvilEight provides web & mobile development for end-to-end product development with Python & Django

    Top awarded
    AnvilEight is a leading IT outsourcing Python & Django development company that specializes in using Python programming language and Django framework for web development. With a team of highly skilled developers and designers, AnvilEight provides comprehensive IT solutions that meet the unique needs of each client. The company has a proven track record of delivering top-notch web applications that are scalable, reliable, and secure.
    8 works in Mobile App
    Located in Greater London, United Kingdom (+1)
    From €10,000 for Mobile App
    Worked in Education (+9)
    Speaks English, Russian(+1)
    51-200 members
  • 4.8
    (101 reviews)

    Building Websites, Generate Leads!

    Highly recommended
    Top awarded
    Probey Services is a premier technology and digital marketing company, providing cutting-edge solutions across the USA, UK, Australia, UAE, and India. Established in 2016, we have grown into a full-service provider with a team of 250+ skilled professionals, delivering tailored strategies that empower businesses in an evolving digital landscape. Our Expertise Probey Services has a strong foundation in technology, design, and marketing, we offer a comprehensive suite of services, including: Website Design & Website Development, e-commerce websites, Shopify, WordPress Website, redesign , and business websites. Software Development & IT Services Scalable software solutions, IT consulting, and enterprise technology. Mobile App Development Native and cross-platform apps for iOS & Android Apps. Digital Marketing & Performance Marketing SEO, SEM, PPC, social media marketing , and data-driven performance campaigns. Branding & Brand Building Strategic brand identity development and market positioning. Graphic Design, Logo Design & Online Reputation Management (ORM) Engaging visuals and reputation management to enhance brand trust. Why Choose Probey Services? Comprehensive Solutions: From technology development to digital marketing, we provide a 360-degree approach to business growth. Client-Centric Approach: We focus on collaboration, innovation, and transparency, ensuring solutions align with business objectives. Proven Industry Expertise: With 10 years of experience across diverse industries, we deliver measurable results and long-term success. Global Presence: Serving businesses across major international markets with customized solutions in mutiple industries. At Probey Services, we go beyond delivering services, we work as an extended team, with an ecosystems that drive business growth, enhance customer engagement, and maximize ROI. Our commitment to excellence and innovation makes us the trusted partner in your digital journey. Awards & Recognitions: Excellence in Digital Transformation (2023) Top Emerging Web Development Firm (2022) Best Digital Marketing Strategy (2023) Android App Development Company - Designrush (2024) Let’s Grow Together! Contact us today to discover how Probey can transform your digital presence. 📞 +1 20299 57212 | +44 75371 88459 | +91 97739 01990 | +91 120 313 2126 ✉️ [email protected] 🌐 www.probeyservices.com
    4 works in Mobile App
    Located in Rednal, United Kingdom (+4)
    From €1,000 for Mobile App
    Worked in Clothing & Accessories (+16)
    Speaks English, Dutch, Belgium(+5)
    501-1000 members
  • 5
    (4 reviews)

    We build digital products that users love. The first time. The right way. Every time.

    At Athlon, we specialize in transforming the digital landscape for businesses aiming to excel in a rapidly evolving market. We are a dynamic digital product design and development firm committed to crafting bespoke solutions that drive growth, enhance user engagement, and optimize operational efficiencies. What We Solve: In a world where technology rapidly reshapes markets, many companies find themselves at a crossroads of needing to innovate while maintaining core business values. Athlon steps in as a strategic partner, helping businesses navigate this transformation. We address critical challenges such as: Enhancing digital presence through cutting-edge web and mobile applications. Streamlining business processes with tailor-made software solutions. Overcoming scalability limits in project delivery with augmented team support. Our Solutions: Our approach is comprehensive—beginning with a deep understanding of our clients’ industries, competitors, and unique challenges. We offer: Digital Transformation Consulting: Guiding companies through digital transitions, ensuring they leverage technology to its fullest potential. Product Design & Development: Creating aesthetically pleasing and functionally robust products that resonate with end-users. Strategic Partnerships: Acting not just as a service provider, but as a partner who aligns with client goals for long-term success. Strategic Approach: We view each project through a strategic lens, ensuring that every solution not only meets immediate needs but also positions our clients for future growth. Our methodology encompasses: In-depth discovery phases to fully understand the unique challenges and opportunities within each industry. Agile development practices tailored to each client’s timeline and budget. Continuous support and iteration to keep our clients ahead in their markets. Why Athlon? With Athlon, businesses gain more than just a service provider—they secure a partner who is deeply invested in their success. Our expertise spans across various sectors, enabling us to serve startups, scale-ups, and established enterprises alike. Whether it’s enhancing your digital footprint or revolutionizing your product offerings, Athlon is here to ensure your venture thrives in the digital era.
    7 works in Mobile App
    Located in Greater London, United Kingdom (+2)
    From €10,000 for Mobile App
    Worked in Telecommunications (+10)
    Speaks English, Bulgarian(+2)
    51-200 members
  •  
    Looking for work in Mobile App
    Located in Marylebone, United Kingdom (+1)
    From €1,000 for Mobile App
    Works in multiple industries
    Speaks English, Polish
    11-50 members
  • 5
    (1 review)

    CAMELSOFT YOUR PARTNER IN YOUR DIGITAL TRANSFORMATION JOURNEY

    CAMELSOFT is a full-service company that specializes in IT solutions and digitization. We help entrepreneurs and businesses market their ideas and turn them into real brands. We work with a dedicated team of experts in the field who prioritize customer needs and ensure that we meet and exceed customer expectations. go to our complete profile. : https://www.behance.net/camelsoft visite our website: https://www.camel-soft.com
    12 works in Mobile App
    Located in Sousse, Tunisia (+3)
    From €5,000 for Mobile App
    Worked in Video games (+10)
    Speaks English, Arabic(+2)
    11-50 members
  • 5
    (6 reviews)

    High-impact digital products. Thoughtfully crafted solutions driven by data and creativity.

    Pixie Labs is a leading London-based digital product studio. We partner with ambitious organisations to design and build high-impact apps, platforms and digital tools. Whether you're at the ideation stage, need help with user-centric design, are ready to build a rock-solid platform or app, or want to improve an existing product - we can help. We'll partner with you to deliver a unique solution to achieve your unique business goals.
    Looking for work in Mobile App
    Located in London, United Kingdom
    From €80,000 for Mobile App
    Worked in Government & Administration (+6)
    Speaks English
    1-10 members

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Our tips for choosing the right Mobile App in Marylebone

Introduction

Mobile app development is a lucrative business. The benefits of mobile app development are numerous and it can work across multiple platforms. However, with the plethora of mobile app development companies in Marylebone, it becomes difficult for an entrepreneur to choose the right one. To make your job easier, Sortlist has created a list of best mobile app development companies in Marylebone.

What is Mobile App?

Before starting to specify your needs for your next Mobile App project, it's very important to know what it's about. The digital age hasn't been so diversified in matter of the specific set of skills that our Mobile App agencies will be able to help you with. Employing the ideal service for your job starts with the ideal definition of your requirements.

Mobile app is the software designed for use on mobile devices, that covers more conceptual definitions such as: a web application provided through wireless Internet access; or a client computer program or remote server program intended to be run on mobile devices. Apps are mostly developed in order to make specific tasks easier in work and life whether it's personalized tools, adding features, getting information from internet etc.

App vs Website Security

Application security is using shields provided in the application (such as encryption) to defend software applications against various vulnerabilities while web security is using policies and technologies such as firewalls, IDS/IPS, and antivirus programs to support a website or server.

Mobile App refers to the application that is specifically designed for the small hand held mobile like mobiles, palmtopand touch display etc.. The main goal of cellular programs would be to offer virtually all of the useful functionalities that assist with making life easy and enjoyable. With the rise in demand of such applications the number of Mobile App development companies has increased, making it challenging to decide on the most reliable one.


Discover what other have done.

Get inspired by what our agencies have done for other companies.

Zone Portal & Mobile App

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Forus. Kindpakket for Zuidhorn municipality

Forus. Kindpakket for Zuidhorn municipality

Intelligent Media Survey System

Intelligent Media Survey System