Explore the premier mobile app development companies in the UK that stay on top of industry trends, and use advanced tools and high-end custom development to deliver innovative, engaging and high-performance apps for a variety of operating systems. Filter by cost, reviews and team size to find the most suitable team for your goals and budget.

Best United Kingdom Mobile App Developers

6 Companies - Rankings updated: September 06, 2026

Every agency featured on DesignRush is vetted for expertise and client satisfaction to support your decision-making. Some listings may be sponsored.

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  • Rocketech Development

    We create digital products and grow with our partners!

    Rocketech is a software development company collaborating with 100+ Middle and Senior level IT and business professionals and specialising in analytics-driven web and mobile development. Our team has released 150+ products for 100+ startups and enterprises...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • Blockchain
    • UI/UX Design
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    14 Projects Listed

    Rocketech Development Services

    • Mobile App Development
    • Web Development
    • Software Development
    • Blockchain
    • UI/UX Design
    • Digital Services
    • Managed Services
    • Business Consulting
    • Market Research
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Walmart
    • Unilever
    • Vodafone
    • Saudi Aramco
    • IQ Option
    • HAYS
    • McKensey & Company
    • DBS
    • Aleta Planet
    • Halyk Bank
    Data sourced from the agency's DesignRush profile

    Rocketech Development Reviews & Testimonials

    • Andrey Bezsonov
      Andrey Bezsonov Lead at Absolute Live Gaming
      5.0 ★

      Web Development Review from Andrey Bezsonov

      We tasked Rocketech with building a roulette system that could live-stream game results directly from an offline casino. There were 3 iterations of the project. The solution has mobile and web versions, supports more than 30 integrations, and provides different monetization channels. Overall, we saved 9 times the budget, while getting high-quality services. The platform handles more than 20K players worldwide and 2 million bets a year. Weve been successful on the market for more than 5 years.

    • Victoria Oros
      Victoria Oros CEO at Zuzan Global Soultions
      5.0 ★

      Software Development Review from Victoria Oros

      ROCKETECH helped us set up the development of our scheduling service. Professional developers, great support, good communication and synchronization with the core team. What was it about the company that you didn't like, what should they do better? Duration of recruiting process, good developers is hard to find good if you can make it faster in few days Coaching of Product owner more deeply

    • Ainar Abdrakhmanov
      Ainar Abdrakhmanov CEO & Founder at Babystep TV
      5.0 ★

      Design Services Review from Ainar Abdrakhmanov

      Babystep is a Learning Management Platform (LMS) for parents who want to implement innovative teaching methods into their kids' learning curve. The platform connects parents to learning experts and provides accessible consults all over the world. The website combines the functionality of a social media and marketplace, serving as a ground for communication, blogging, and service exchange.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.8 4.8 (6)
    5.0 5.0 (1)

  • Sigma Software

    Superior Business Solutions

    Sigma Software specializes in developing software and is a globally distributed team of more than 2000 skilled IT professionals, spanning 12 countries including the USA, Sweden, UK, Canada, Israel, Singapore, UAE, Australia, Austria, Ukraine, and more. With a track record of over 20 successful years, we take...

    Top Services:

    • Software Development
    • Web Design
    • Mobile App Development
    • VR/AR
    • Business Consulting
    • Show more
    Location
    Macclesfield, United Kingdom
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    14 Projects Listed

    Sigma Software Services

    • Software Development
    • Web Design
    • Mobile App Development
    • VR/AR
    • Business Consulting
    • Web Development
    • UI/UX Design
    • Cybersecurity
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Knorr-Bremse
    • AstraZeneca
    • Volvo Penta
    • SAS
    • Fortum
    • Mindvalley
    • Aol.
    • IGT
    • Viaplay
    • DanAds
    Data sourced from the agency's DesignRush profile

    Sigma Software Reviews & Testimonials

    • Nikita Vershinin
      Nikita Vershinin VP of Engineering at Ankorstore
      5.0 ★

      Software Development Review from Nikita Vershinin

      We've partnered with Sigma Software for almost three years, and they proved to be a strong partner with whom we'll keep working. Their adaptability and willingness to get things done are unique, setting them apart from other providers. Moreover, they demonstrate a strong sense of ownership.

    • Michael Meyer
      Michael Meyer Managing director at trendwaerts GmbH
      5.0 ★

      Software Development Review from Michael Meyer

      We were so positively surpised and happy about Sigmas services - as usual I might add. It is a pleasure working with their software engineers. After we provided a briefing, the effort estimation came right away. Shortly after the project started we could see first tangible results. The code quality was excellent and comprehensive. Minor feedback was implemented right away. What can I say more: 10 out of 10 points!

    • Esther Howard
      Esther Howard Founder / CEO at Bezyl
      5.0 ★

      Mobile App Development Review from Esther Howard

      The client is incredibly happy with Sigma's services and work. It has referred 3 other clients who also say how much they really love the team and process to get set up with the agency. Sigma is a fantastic company with excellent experienced professionals. Its experts care about quality and customer satisfaction, and they operate like the internal team's extension. (Verified via email)

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.6 4.6 (4)
    4.8 4.8 (81)

  • Fusion Forge Tech

    Shaping Digital Innovation.

    Fusion Forge Tech crafts custom web and mobile solutions that blend sleek design with powerful functionality. We build fast, scalable, and user-friendly platforms tailored to your goals whether you're launching a startup or upgrading an enterprise system...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    • Digital Marketing
    • Blockchain
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

    Fusion Forge Tech Services

    • Web Development
    • Mobile App Development
    • Software Development
    • Digital Marketing
    • Blockchain
    • IT Services
    • Branding
    • Social Media Marketing
    • CRO
    • Web Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Mavrovo Sunny Valley
    • Property One Coworks Modern Workspaces
    • Luxor Casino
    • Ferbey Shop
    • Red Cross of the Republic of North Macedonia
    • Creative Wood
    • BE Pay
    • Kanaflex
    • Linic Freight
    • Bottega Eventi
    Data sourced from the agency's DesignRush profile

    Fusion Forge Tech Reviews & Testimonials

    • Creative Wood
      Creative Wood Owner at Creative Wood
      5.0 ★

      Web Development Review from Creative Wood

      Working with Fusion Forge Tech has been a seamless and rewarding experience for our team at Creative Wood. From the initial consultation to the final launch of our website, their professionalism, responsiveness, and technical expertise stood out. They took the time to understand our brand, goals, and unique needs as a furniture and interior design company. The team delivered a clean, fast, and mobile-responsive website that truly reflects the quality and craftsmanship were known for. Their attention to detail in both design and functionality exceeded our expectations. What impressed us most was their ability to translate our vision into a practical and elegant digital platform. Throughout the process, communication was clear and efficient, and every request or revision was handled with care and precision. We highly recommend Fusion Forge Tech to any business looking for a reliable, creative, and skilled tech partner. Their work made a significant impact on our online presence, and we look forward to collaborating with them again in the future.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.3 4.3 (1)
    4.9 4.9 (7)

  • Tecocraft Ltd

    A trusted name in the software and app development space

    Tecocraft Ltd. specializes in creating custom software applications and solutions to help businesses grow and enhance user experiences...

    Top Services:

    • Software Development
    • Mobile App Development
    • eCommerce
    • SEO
    • WordPress Website Design
    • Show more
    Location
    Ilford, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

    Tecocraft Ltd Services

    • Software Development
    • Mobile App Development
    • eCommerce
    • SEO
    • WordPress Website Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • BevFly
    • Revive Health Care Ltd
    • Confra Industrial Service
    Data sourced from the agency's DesignRush profile

    Tecocraft Ltd Reviews & Testimonials

    • ירון פרזי אמן חושים מנטליסט
      ירון פרזי אמן חושים מנטליסט Review from Google
      5.0 ★

      ירון פרזי אמן חושים מנטליסט's Review Sourced from Google

      Always up to deadlines, great service, people of their word. Enjoyed 3 projects with them, professionals and overcome technical barriers.

    • Reynaldo Carbon
      Reynaldo Carbon Review from Google
      5.0 ★

      Reynaldo Carbon's Review Sourced from Google

      Brilliant company, very professional and reliable. I would recommend this company to anyone. Great to come across a company with such integrity

    • Tahira Brown
      Tahira Brown Review from Google
      5.0 ★

      Tahira Brown's Review Sourced from Google

      A top development company with a great team, really enjoyed working with them. Tecocraft delivered an excellent app for me at a reasonable price. I look forward to working with them again.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.9 4.9 (8)

  • Fertile Frog

    Digitally Creative

    Full-service digital marketing agency delivering bespoke web design, development, SEO and graphic design solutions to help businesses achieve sustainable online growth...

    Top Services:

    • WordPress Website Design
    • Web Design
    • Mobile App Development
    • Graphic Design
    • Logo Design
    • Show more
    Location
    Chorley, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000

    Fertile Frog Services

    • WordPress Website Design
    • Web Design
    • Mobile App Development
    • Graphic Design
    • Logo Design
    • SEO
    • Social Media Marketing
    • Advertising
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Northern Reach
    • Lancashire Mind
    • NHS
    • Chorley Borough Council
    • Warrington Borough Council
    • Mawdsleys
    • Preston City Guild
    • Abbey Court Solicitors
    • Buzz Bingo
    • Merkur
    Data sourced from the agency's DesignRush profile

    Fertile Frog Reviews & Testimonials

    • Andrew Pooley
      Andrew Pooley Review from Google
      5.0 ★

      Andrew Pooley's Review Sourced from Google

      The team at Fertile Frog have done a great job on re designing andrewpooley.co.uk web site. The whole process from start to finish was much easier than I had anticipated, quick turnaround and professional service. Highly recommended.

    • Stephanie Reed
      Stephanie Reed Review from Google
      5.0 ★

      Stephanie Reed's Review Sourced from Google

      I selected Darren, Jennifer and the team to build my website - funded by a Chorley Council grant - after I was impressed by their enthusiasm and ideas right from the get-go. They have done a fantastic job - making the website from a small brief into a fully functioning e-commerce platform. They listened to requested amendments diligently, turning around the project in a matter of weeks. Thanks gang!

    • Christopher Hardman
      Christopher Hardman Review from Google
      5.0 ★

      Christopher Hardman's Review Sourced from Google

      I wanted to leave an amazing review for Darren, Jennifer, and Matt for the outstanding professional website they’ve developed for us. We’ve worked with marketing companies in the past, but none have come close to the level of expertise and service these guys have provided. The website is everything we hoped for and more! We’re beyond pleased with the results and can’t wait to continue our marketing journey with the Fertile Frog team. Highly recommend them to anyone looking for top notch marketing services! Brit Green Limited

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    5.0 5.0 (52)

  • SEO GURU

    Dominate the Industry from Day One

    At SeoGuru, we set the bar for digital marketing in the UK. Our cutting-edge solutions help businesses rank higher on Google and maximize their visibility online with Pay per Click services. With our expertise, you can achieve success and dominate your industry from Day One!...

    Top Services:

    • SEO
    • Digital Marketing
    • PPC
    • Social Media Marketing
    • Content Marketing
    • Show more
    Location
    Bognor Regis, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000

    SEO GURU Services

    • SEO
    • Digital Marketing
    • PPC
    • Social Media Marketing
    • Content Marketing
    • CRO
    • Web Development
    • Web Design
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • SES
    • 8Casinos
    • RedSlug
    Data sourced from the agency's DesignRush profile

    SEO GURU Reviews & Testimonials

    • Clint Proudfoot
      Clint Proudfoot Review from Google
      5.0 ★

      Clint Proudfoot's Review Sourced from Google

      I have worked with Dan for a while with my website and SEO. He has written blogs, etc, and done other things for my site. Which has all been fantastic work. The best thing he has done was when my google profile was disabled and I could not fix it. I asked Dan for help, and within 3 days he had got my profile back and my reviews. Great service I would recommend him.

    • Timothy Johnson
      Timothy Johnson Review from Google
      5.0 ★

      Timothy Johnson's Review Sourced from Google

      After speaking with Dan, I realized I knew next to nothing about SEO. Dan talked slowly and with purpose and examples as to how improving my SEO and the way I presented my website would help with traffic to my website. I needed it to be simple and Dan has kept it that way. I have to say, Dan was very true to his word. He audited my website, of which I am still going through and implementing. The traffic has increased, the inquiries have increased and I am now having more contact with clients than ever. Appreciate the help and the guidance Dan, great work sir.

    • Lauren Cunliffe
      Lauren Cunliffe Review from Google
      5.0 ★

      Lauren Cunliffe's Review Sourced from Google

      I contacted Dan yesterday with an issue I was facing with some of my business SEO tools. He was super helpful and friendly on the phone and has already actioned solutions in just over 24hours. Highly recommended!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    5.0 5.0 (12)

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