Top Cross Platform Development Firms in The United Kingdom

Which one is the best for your company?

Takes 3 min. 100% free

Mobile App Cross Platform Development

44 firms

Search location

Ratings

Budget

All Cross Platform Development Agencies in The United Kingdom

DevBench Ltd.
5
(2 reviews)
Web and mobile app development company
Recommended
DevBench Ltd. is a top-rated web, mobile, and software development company with expertise in digital marketing and social media marketing strategies. We deliver creative and results-driven solutions that empower businesses to grow in today’s competitive digital landscape. We specialize in custom website development, mobile application development, enterprise software solutions, and full-service digital marketing campaigns tailored to your business goals. Our award-winning team combines cutting-edge design, UX research, and technology to create impactful digital experiences. From branding and web design to mobile apps, SaaS development, software engineering, and targeted social media marketing, we provide end-to-end digital solutions that help businesses scale and succeed. With a proven track record of supporting startups, enterprises, and non-profits, we ensure every project reflects innovation, precision, and measurable results.
Looking for work in Cross Platform Development
Located in Glasgow, United Kingdom
From €1,000 for Cross Platform Development
Worked in Software & Computer Services
Speaks English
11-50 members
Supercharge
(0 review)
we build AI‑enabled digital products
Top awarded
At Supercharge, we create game-changing digital products positively impacting millions of lives around the world. As an end-to-end digital agency we support you through the entire life of your product, from strategy and design through data and AI-empowered development to ongoing support.
Looking for work in Cross Platform Development
Located in London, United Kingdom (+4)
From €1,000 for Cross Platform Development
Worked in Banking & Financials (+12)
Speaks English, Dutch(+1)
201-500 members
Arch
(0 review)
We turn bold ideas into better services.
Top awarded
We are an award-winning consultancy that designs & builds software across web, mobile, and back-office for leading brands and start-ups. Our mission is to build longstanding partnerships to help deliver disruptive technology into the B2B & B2C marketplace. Founded in 2005, we have built a reputation for high quality, innovative products that will offer your users the best possible experience. We’re excited by what we do and continue to seek new challenges in all areas of design and development. Arch specialises in the design, development, and websites, apps and business systems. We also support development in e-commerce, intranet, and e-learning, as well as complex database-driven Content Management Systems and CRM systems for individuals, the public sector and the business community. As a company, we’ve grown steadily over 20 years, and today we are proud to have an ever-expanding team of passionate and talented individuals, combining a wealth of knowledge and years of experience with approachability and down-to-earth guidance. We love the challenge, and always happy to chat about new projects and ideas.
Looking for work in Cross Platform Development
Located in Tyne and Wear, United Kingdom
From €1,000 for Cross Platform Development
Worked in Sports (+9)
Speaks English
11-50 members
Inteclads Technology Solutions
(0 review)
On Time. On Point. On Budget.
We specialise in web development and integration, web applications, and e-commerce solutions tailored for businesses seeking to thrive in the digital era. Smart, elegant, and modern—our approach transforms your business challenges into opportunities. With over 35 years combined experience in Web Design, E-Commerce, Software Development, IT and Business Systems, the Inteclads team are here to support your business and work with you right the way through your online journey. Inteclads Technology Solutions On Time. On Point. On Budget.
Looking for work in Cross Platform Development
Located in Rhondda Cynon Taff, United Kingdom
From €1,000 for Cross Platform Development
Worked in Food (+2)
Speaks English
1-10 members
Ownly Digital
(0 review)
Custom software, apps and websites for businesses that have outgrown spreadsheets.
Ownly Digital builds custom software, business systems, mobile apps and websites for companies across Lancashire and the wider UK. Most businesses we work with are not short of software. They are short of software that fits. A spreadsheet only one person really understands, a subscription that does most of the job, and tools that will not talk to each other. People fill the gaps, and that is where the time and money go. We start with what the business needs to happen rather than a list of features, then build the smallest thing that makes it happen. Every project is quoted with a written scope, a fixed price and a timeline before any work begins. We also build and run our own software products, with apps live on the App Store and Google Play. That is where most of what we know about keeping a product alive after launch comes from.
Looking for work in Cross Platform Development
Located in Leyland, United Kingdom
From €1,000 for Cross Platform Development
Worked in Software & Computer Services (+3)
Speaks English
1-10 members
Softwarence LTD
(0 review)
Transforming ideas into powerful web & mobile experiences
An innovative app development company dedicated to creating seamless, user-friendly, and impactful digital experiences. Our team is made up of passionate developers, designers, strategists, and problem-solvers who are committed to bringing ideas to life through cutting-edge technology. We specialize in building custom mobile apps that not only meet the needs of our clients but also enhance their users’ live.
Looking for work in Cross Platform Development
Located in Southampton, United Kingdom
From €3,000 for Cross Platform Development
Works in multiple industries
Speaks English
11-50 members
Rubric
(0 review)
IT Quality Project Delivered
We're a Mauritian powerhouse, blending over 17 years of experience with agile, remote teams in Madagascar. Our passion is crafting stunning web and mobile solutions from the ground up. We don't just build software; we engineer perfection through rigorous testing. By harnessing the power of open-source technologies and infusing every project with AI, we deliver optimal, future-proof solutions for leading industries like banking, insurance, and HR. You get competitive rates, and we get the thrill of transforming your vision into reality.
Looking for work in Cross Platform Development
Located in London, United Kingdom
From €1,000 for Cross Platform Development
Worked in Human Resources
Speaks English, French
11-50 members
Connascence
(0 review)
Technical partner for ventures of all sizes
I am a freelance developer serving the entirety of Scotland. I have experience working with web and mobile applications, sales funnels, automations and AI. I focus on long-term partnerships and really digging deep to understand what problems a specific app must solve. That includes really understanding the businesses I work with and what makes them tick.
Looking for work in Cross Platform Development
Located in Edinburgh, United Kingdom
From €1,000 for Cross Platform Development
Works in multiple industries
Speaks English
1-10 members
Tana Labs
(0 review)
Product Development - IOT - Edinburgh
Tana Labs is a top-rated product design consultancy based in Edinburgh, specialising in hardware, industrial design, and electronics engineering. We help startups, scale-ups, and established companies turn innovative concepts into tangible products, from initial idea and prototyping to full-scale manufacturing. With a multidisciplinary team of industrial designers, mechanical engineers, electronics engineers, and firmware developers, Tana Labs provides a complete solution for hardware product development. Our expertise spans: Industrial & hardware product design – From concept sketches to final manufacturing-ready designs. Electronics & firmware engineering – Embedded systems, IoT devices, and custom hardware solutions. Prototyping & manufacturing support – Rapid prototyping, iterative testing, and design-for-manufacture strategies. At Tana Labs, we combine creativity, engineering precision, and a user-centered approach to deliver innovative, reliable, and commercially viable products. We are proud to have worked with a range of clients, from emerging tech startups to established brands, helping them bring their ideas to market efficiently and effectively. Why choose Tana Labs: Edinburgh-based, easily accessible for local and international clients. Award-winning product design consultancy with a proven track record. End-to-end product development – no need to outsource multiple parts of the process. Strong focus on usability, functionality, and manufacturability. Whether you’re launching your first hardware product or redesigning an existing line, Tana Labs is the partner that transforms ideas into reality.
Looking for work in Cross Platform Development
Located in Leith, United Kingdom
From €1,000 for Cross Platform Development
Worked in Telecommunications
Speaks English
1-10 members
Eastern Peak
(0 review)
Eastern Peak — driving the evolution of your business
Eastern Peak is a global technology partner specializing in custom software and hardware development, as well as digital transformation consulting. For over a decade, we have been helping businesses, from startups to large enterprises, navigate rapidly changing markets and evolving technologies by delivering solutions that are both innovative and practical. Our team of over 300 professionals offers end-to-end services, covering every stage of the development lifecycle. From initial product discovery and strategic planning to UI/UX design, development, testing, deployment, and ongoing support, we ensure every solution meets business objectives, scales efficiently, and delivers a seamless user experience. Eastern Peak helps organizations modernize legacy systems, automate processes, and leverage advanced technologies such as AI, IoT, Cloud, Big Data, AR/VR, and more to deliver smarter, more impactful solutions.
Looking for work in Cross Platform Development
Located in City of London, United Kingdom (+2)
From €1,000 for Cross Platform Development
Worked in Education (+1)
Speaks English, Hebrew(+1)
201-500 members
Pagepro
5
(6 reviews)
Next.js, Expo & Sanity Development Agency
Top awarded
What sets us apart in the world of technology agencies is our focused expertise. We are a narrow, highly experienced Next.js, Expo & Sanity agency. This specialization allows us to delve deep into these technologies, staying at the forefront of industry trends and innovations. When you choose us, you're investing in results and the deliverables that drive your business forward. We're aiming to deliver 2,000 Frictionless Sprints by 2030. Frictionless Development is the essence of everything we do. It means streamlining the entire development process to guarantee that it operates smoothly, efficiently, and effectively. It entails crafting an environment in which every aspect of your project, from its initial conception to its final deployment, is carefully planned, executed, and monitored to keep interruptions and setbacks to a minimum. Our awards: We're Clutch Top Sanity and Webflow Developer 2025 We're Clutch Top Next.js and React Native Developer 2024 We're named Forbes Diamond Poland 2024 Our Tech Stack: Next.js Expo Sanity React React Native Node.js TypeScript Headless CMSes Hire us for: App Development (Web and Mobile) Migration from Native Apps to React Native CMS Migrations MVP Development Further Existing App Development Technical Discovery (Technical feasibility) Post-Release Support React / React Native Code Audit
Looking for work in Cross Platform Development
Located in Bialystok, Poland
From €10,000 for Cross Platform Development
Worked in Hospitals & Healthcare (+12)
Speaks English, Polish
11-50 members
Kino Creative
(0 review)
An established enterprise-ready creative agency
Founded on the belief that great creative should be both strategic and scalable, we partner with ambitious brands to deliver high-quality design that makes an impact. As an established creative agency, we've built a reputation for becoming a trusted extension of our clients' internal marketing, brand and creative teams, providing the flexibility, expertise and reliability needed to support fast-moving businesses. Our experience includes working with globally recognised organisations such as Meta and Criteo, delivering creative solutions across a wide range of channels and formats. We understand the demands of enterprise organisations—tight deadlines, multiple stakeholders, evolving brand guidelines and the need for consistent, high-quality creative at scale. We offer a full spectrum of creative services, from website design and digital experiences to social media campaigns, corporate PowerPoint and Google Slides presentations, print design and motion graphics. Whether we're developing engaging digital content, producing executive presentations, designing marketing collateral or creating animated assets, every project is driven by thoughtful design, attention to detail and a deep understanding of our clients' brand. Our collaborative approach means we integrate seamlessly with existing teams, adapting to established workflows and becoming a dependable creative resource whenever additional capacity or specialist expertise is needed. We pride ourselves on being responsive, proactive and capable of delivering exceptional work under demanding timelines without compromising quality. We believe the most successful partnerships are built on trust, consistency and shared ambition. That's why our clients rely on us not simply as a supplier, but as a long-term creative partner who understands their business, protects their brand and helps bring their ideas to life.
Looking for work in Cross Platform Development
Located in Newcastle upon Tyne, United Kingdom
From €5,000 for Cross Platform Development
Works in multiple industries
Speaks English
1-10 members
Snotor
5
(6 reviews)
Delivering results. Efficiently and effectively
Top awarded
Snotor provides a full range of custom software development services, with a focus on web development in FinTech and E-commerce industries. With 14-years of experience and 400+ projects delivered, we have already helped companies across industries conduct their digital shift. Headquartered in Riga, Latvia, we are positioned perfectly to utilize a thriving IT ecosystem, EU ease of doing business and cost-efficient operations.
Looking for work in Cross Platform Development
Located in Rīga, Latvia (+1)
From €1,000 for Cross Platform Development
Worked in Education (+15)
Speaks English, German(+3)
51-200 members
Scalix Enterprise Solution LLP
5
(1 review)
Scale Faster & Smarter
Scalix Enterprise Solutions - Accelerating Business Growth Through Technology We help rapidly growing companies scale their technology infrastructure and optimize their digital presence. From performance optimization to cloud migration, our expert team transforms technical challenges into competitive advantages. 🚀 What We Do: • Frappe/ERPNext Development • Frappe/ERPNext Scale & Consultation • Legacy System Modernization • AI Development Services • Product Development & Optimization • Cloud Migration & AWS Consultancy • Performance Engineering & Scalability • DevOps, Security & CI/CD Automation • Mobile/Web App Development Industries We Have Delivered High-Scale Solutions: • Fintech • E-commerce • Manufacturing • SaaS • Healthcare Tech Ready to scale? Let's build something exceptional together.
Looking for work in Cross Platform Development
Located in Mira Bhayandar, India
From €3,000 for Cross Platform Development
Worked in Industrial Goods & Services (+2)
Speaks English
11-50 members
Smartlogiq
(0 review)
Unlocking Real Business Value For Enterprise Digital Transformation & Start-ups
Unlocking Real Business Value For Enterprise Digital Transformation & Start-ups. Your Partner in Technology Talent and Strategic Consulting for Digital Transformation & AI-Powered Evolution.
Looking for work in Cross Platform Development
Located in London, United Kingdom
From €5,000 for Cross Platform Development
Worked in Logistics & Supply Chain
Speaks English, Arabic(+1)
11-50 members
MMC Global
4.6
(12 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 Cross Platform Development
Located in Dubai, United Arab Emirates (+2)
From €1,000 for Cross Platform Development
Worked in Non-profit (+4)
Speaks English, Arabic(+1)
501-1000 members
Probey Services
5
(132 reviews)
World’s #1 Rated & Reviewed App & Web Development Partner
Highly recommended
Top awarded
World’s #1 Rated & Reviewed App & Web Development Partner , Probey Services is a renowned IT and digital solutions provider , powering innovation for startups, SMEs, and growing organizations worldwide. Headquartered in London, UK , with a strong presence in India and 11 global branches, we combine global reach with deep technical expertise. Our 320+ specialists have successfully delivered 1900+ projects over the last 10+ years , helping businesses scale with mobile app development, website design & development , enterprise software solutions, AI-powered digital marketing, branding, and social media management. We proudly serve 30+ industries including retail, e-commerce, healthcare, fintech, education, travel, logistics, luxury, and more. Probey Services is rated as the #1 Tech Partner globally on Clutch, GoodFirms, and Trustpilot , we stand out for our system-driven execution, advanced tech stack, and client-first approach. Our Services: We deliver end-to-end digital solutions that don’t just work, they win. Mobile Apps - iOS & Android (React Native, Flutter, Kotlin, Swift, Java). Websites - Fast, stunning, conversion-driven (Shopify, WordPress, Magento, Joomla, Wix, Umbraco). AI Solutions - AI agents, LLM applications, intelligent automation, and AI-powered business solutions (OpenAI, Gemini, Claude, LangChain, GCP). Custom Software - ERP, CRM, SaaS, and cloud platforms (React, Node.js, Angular, .NET, Python, PHP, Ruby, Java). Digital Marketing - AI-powered SEO, PPC, and performance campaigns (SEMrush, Ahrefs, Moz, Google Ads, Analytics). Awards & Recognition: Top Mobile App Development Company Clutch (2025) Best Web & Design Agency DesignRush (2025) Global Leader GoodFirms (2026) Top 10 IT Companies G2 (2025) Excellence in Digital Innovation AppFutura (2025) Clutch Global & Champion Badge (2023 & 2024) ISO-Certified Processes & 800+ Verified 5-Star Reviews
Looking for work in Cross Platform Development
Located in Noida, India (+4)
From €100 for Cross Platform Development
Worked in E-commerce (+16)
Speaks English, Dutch, Belgium(+5)
201-500 members
Uptic
5
(1 review)
Modern Full-Stack Software Development & Engineering.
Uptic ontwikkelt, verbetert en moderniseert software en de onderliggende platforms, van User Interface tot Artifical Intelligence. Uptic onderscheidt zich van andere aanbieders met waardevolle kenmerken: - Modulaire keuze om een platform-dienst los of gecombineerd met een development-dienst af te nemen. - Binnen vier maanden een Minimum Viable Product. - Na vier maanden / MVP toch ontevreden? Contractontbinding mogelijk. - Geen gebruik van low-code/no-code tooling zodat lock-in en hoge kosten worden vermeden. - Efficient 'fractioneel' team met alle benodigde rollen. Iedere rol wordt per fase meer of minder gebruikt, kosten per maand blijven gelijk. - Vaste medewerkers van Uptic, geen externe inhuur. Uptic realiseert besparingen op de volgende manieren: - Reduceren van web servers - App servers (VM's) vervangen voor container-platforms. - Van SQL-databases naar PostgreSQL - Van file&block naar object storage - Complexe Disaster Recovery uitfaseren en application native DR inbouwen met een RTO van enkele seconden. - Performance versnelt 5x of nog meer - Behoefte aan IT-infrastructuur daalt naar een tiende De uitkomsten voor de business zijn groot: - Tientallen procenten kostenbesparing na vervanging van legacy applicatie(s). - Return on Investment al na 4 maanden. - Aantoonbare daling in CO2-uitstoot van softwaregebruik. - In plaats van betalen voor gebruik van legacy software wordt de organisatie eigenaar van Intellectual Property. - Belastingvoordelen voor R&D.
Looking for work in Cross Platform Development
Located in Almere, Netherlands
From €5,000 for Cross Platform Development
Worked in Entertainment & Events (+1)
Speaks English, Dutch
11-50 members
Diversido
(0 review)
Mobile and web apps built for impact — in Healthcare, Edtech, IoT, and beyond.
Founded in 2013, Diversido is a web and mobile development studio with more than 80 completed projects across healthcare, education, wellness and IoT. Our core values are honesty, transparency, problem ownership and effective communication. We take care of the technical side of your product, so you can stay focused on growing the business. Services: Product Design | UX/UI | Mobile & Web Development | IoT & Wearables | Gamification
Looking for work in Cross Platform Development
Located in Kyiv, Ukraine
From €1,000 for Cross Platform Development
Worked in Travel & Leisure (+2)
Speaks English, Ukrainian
11-50 members
Inceptives Digital
(0 review)
Your Trusted Software Development Experts for Scalable Growth!
Top awarded
We transform ambitious ideas into powerful digital realities, backed by in-depth industry expertise and a passion for delivering results.
Looking for work in Cross Platform Development
Located in Austin, United States
From €1,000 for Cross Platform Development
Worked in Hospitals & Healthcare (+3)
Speaks English
51-200 members
JetBase.io
(0 review)
We build and scale software products while you focus on growth and strategy.
JetBase is a software partner for companies that value outcomes, not just code. We take full ownership of the technical side so you can focus on strategy, growth, and results. From discovery to launch and long-term support, we build scalable, well-architected solutions aligned with your business goals. Clear communication, predictable delivery, and engineering discipline are core to how we work. We don’t just build software. We help you create products that work in production, scale with demand, and deliver long-term value. Proven Track Record 4 successful customer exits 10+ years in custom software development 40+ senior engineers 60+ successfully delivered projects What You Can Expect Working With JetBase > Team players We integrate into your existing team or build a dedicated one from scratch. > Process discipline We follow agreed workflows, scope, and timelines. What’s planned gets delivered. > Clear communication We bridge the gap between business and engineering, keeping all stakeholders aligned. > Senior expertise Our CTO has 10+ years in engineering leadership, and our CEO has 15+ years of experience scaling products. > Radical honesty No unnecessary features or tech hype. Only what your product actually needs. > Responsiveness Fast replies, full transparency, and no disappearing acts. What We Build SaaS products users rely on Mobile apps designed for retention Scalable web platforms without inflated budgets AI features with real business impact Architecture built for performance, growth, and change Whether you are launching a new product or improving an existing one, we deliver fast, reliably, and with confidence. Core Expertise Custom Web & Mobile Development SaaS & Cloud Platforms AI Feature Integration Performance and Cloud Budget Optimization Dedicated Engineering Teams 📩 Contact us today - we respond within 1 business day.
Looking for work in Cross Platform Development
Located in Sheridan, United States
From €3,000 for Cross Platform Development
Worked in Clothing & Accessories (+5)
Speaks English
11-50 members
Techgeekz Services Private Limited
(0 review)
A creative company at the intersection of media and technology, driven by a digital-first approach.
Techgeekz services is a next-generation customer experience company that uses digital technology to define and create revolutionary experiences for the world's most inventive brands. Techgeekz becomes the ideal partner for managing end-to-end journeys across the Travel and High Growth Tech industries by combining Digital and Human Intelligence. We take pride in pairing our consultants with opportunities that energize and inspire them, as well as cultivating a work atmosphere that values the various talents and passions of each member of our team. We've extended our service offerings, expanded into new areas, and had a meaningful and lasting effect on the communities where we work, live, and play because of their talents, passions, and creative ideas. Allow us to provide you with a quality experience through our comprehensive portfolio of IT Services & Solutions and IT-Enabled Services, and maximize your delight with greater flexibility, higher efficiency, and lower costs, allowing you to gain a competitive advantage and realize significant growth in your business's bottom line.
Looking for work in Cross Platform Development
Located in Surat, India
From €1,000 for Cross Platform Development
Worked in Luxury Goods & Jewelry (+1)
Speaks English, Hindi
11-50 members
NOUKHA TECHNOLOGIES
(0 review)
we build IT
Introducing Noukha Your Custom Software Development Partner: Noukha specializes in tailor-made software solutions designed to streamline operations, boost efficiency, and drive business growth. Whether you're automating workflows or scaling your business, we provide the right tech solutions. Our Services Include: Custom Business Software - Built to match your exact needs. AI-Powered Automation - Smarter, faster processes. Scalable & Secure Cloud Solutions - Future-proof your business. ERP & CRM Development - Optimize business management. Customized AI Agents - Automate tasks, enhance decision-making. Why Choose Noukha? Flexible, sprint-wise payments for better budget control. Tailored solutions designed to meet your unique needs. If you or someone in your circle is exploring opportunities for tech collaboration or needs support, Noukha would love to connect! Visit Noukha at https://www.noukha.in/ or follow LinkedIn page for updates. Lets explore how we can help your business grow and succeed!
Looking for work in Cross Platform Development
Located in Coimbatore, India (+1)
From €1,000 for Cross Platform Development
Worked in Education (+10)
Speaks English
11-50 members
Uinno
(0 review)
We build products like we own them.
Uinno is a product development agency compiled of engineers and technology experts with an ownership mindset who are solely focused on solving business challenges via creating future-ready apps, websites, and digital solutions.
Looking for work in Cross Platform Development
Located in Tallinn, Estonia (+2)
From €1,000 for Cross Platform Development
Worked in Sports (+6)
Speaks English, Spanish(+1)
51-200 members

12

Struggling to choose? Let us help.

Post a project for free and quickly meet qualified providers. Use our data and on-demand experts to pick the right one for free. Hire them and take your business to the next level.

Ruby on Rails Development