Top 100 Flutter App Development Companies in the United Kingdom

Imaginary Cloud is a Web, Mobile and AI Software Development and UX/UI Design Company with offices in the UK, US and Portugal. In the last 11 years they have helped build and scale more than 300 applications, from Start-ups, Scale-ups to Enterprises, winning several global awards. They offer a comprehensive skill set of developers, data scientists and designers coupled with a streamlined agile process.

Limeup is a Product Design Studio headquartered in London, United Kingdom. It was founded in 2019 and has since grown to over 20 employees and helped over 50 companies create stellar designs for their products. They primarily serve clients from Fintech and Gambling industries.

Altkom Software & Consulting, founded in 1998, is a software development company headquartered in Warsaw, Poland, with an additional office in Krakow, Poland. They specialize in custom software development, web development, and application management & support. The company has 130+ employees who work with enterprise, mid-market, and small businesses. The businesses they serve are mostly in the financial services industry. 
 

Established in 2011, iConnect info solutions pvt ltd is a web development firm. They are headquartered in Navi Mumbai, India and London, United Kingdom and have a small team. Their services include web development, IT staff augmentation, mobile app development, and cloud consulting & SI.

Heveloon ltd is a mobile app development company in London, United Kingdom. Founded in 2018, they have about 5 employees that serve mostly small-business and midmarket clients in the medical, business, and financial services sectors. Services include mobile app development, blockchain, and enterprise app modernization. 

SPD Group is an IT and development company in London, United Kingdom; Kyiv and Cherkasy, Ukraine; and Tel Aviv, Israel. Founded in 2006, they have about 16 employees that serve mostly midmarket and small-business clients in the business, financial, and IT sectors. Services include custom software development, AI, and IoT development.

LANARS is a digital agency based in Dnipro, Ukraine. Founded in 2015, it has approximately 57 employees. They focus on mobile app development, IoT development, and other app development.

Artificial intelligence company blackthorn.ai is headquartered in London, United Kingdom. Launched in 2021, the small team offers Artificial Intelligence, IT staff augmentation, and custom software development.

Webskitters LLC is a software company headquartered in Miami, Fla. Founded in 2010, Webskitters LLC has a team of around 125 employees who specialize in web development, mobile app development, and mobile app modernization, primarily for small business clients.

SENLA is a fast-growing software development company in 5 EU locations, founded in 2012. Our team of 600+ certified technical specialists and managers has large expertise in a full-cycle development from BA to maintenance as well as separate services like QA or UX Audit. We have successfully completed over 350 projects in FinTech, Healthcare, Manufacturing and other industries.

Apadmi is a 140+ member mobile tech group specializing in app development, IoT, and consulting for big data, BI, and SI. Founded in 2009 and based in Manchester, UK, their team excels at helping organizations use technology to achieve a competitive advantage.

Established in 2018, Beesoul LLC is a small UX design agency. Their services include ux/ui design, BI & big data consulting & SI, custom software development, IoT development, and more. The firm is located in Richmond, California.

MyOxygen is a 10+ team of mobile app developers, UI/UX designers, and digital strategists. Based in Bristol and founded in 2001, the company uses a comprehensive approach that aligns business needs with remarkable results.

Software development firm KosmosKod was launched in 2022. Located in London, United Kingdom, their small team provides custom software development, mobile app development, web development, enterprise app modernization, and more.

ClearSky Logic, a custom software development firm, was founded in 2018. The firm offers custom software development, BI & big data consulting & SI, cybersecurity, and IT staff augmentation and has a small team.

Founded in 2017, Evoque Innovative Lab is a development firm. Their team of around 10 employees is based in Bangalore, India, with an additional office in Kochi, India. They focus on custom software development, mobile app development, and UI/UX designs.

Webview Digital is a Web & digital agency in Wrocław, Poland. Founded 2009, They have about 50-70 employees that serve mostly small and midmarket clients in the eCommerce, education, hospitality, Business and consumer products and services sectors. Services include UI UX, Custom website, E-Commerce, Software Development, Branding and SEO.
 

xDesign is a design and development company in Edinburgh, U.K. Founded in 2010, their team of 50+ provides web development and mobile app development services to small business, midmarket, and enterprise clients across various industries. 

REYT is a web design company located in Sheffield, United Kingdom. The small firm was founded in 2021. Their team provides web design, ux/ui design, web development, and mobile app development.

Zoondia is a custom software development and technology solutions company based in Trivandrum, India, with offices in the USA, Qatar, UAE, and Saudi Arabia. The company was founded in 2008, and their staff of around 80 provides blockchain, chatbot, big data analytics, digital marketing, cloud and infrastructure, QA, IoT, and VR/AR services to small to big businesses and companies.

Pocketworks was founded in 2012 and is located in Leeds, United Kingdom. With 17 employees, they provide mobile app development, custom software development, and UX/UI for enterprise and midmarket sized businesses.

Journi is a small software development firm. Headquartered in London, United Kingdom and Madrid, Spain, the agency was launched in 2023. Their services include custom software development, IT staff augmentation, web development, and enterprise app modernization.

Powercode is a web development agency based in Kyiv, Ukraine founded in 2015. They are operated by a team of 66 who are experts in web, mobile app, and custom software development for clients ranging from startups to enterprises. They have experience working in industries such as financial services, business services, and IT. They are also familiar with working with platforms like Amazon, Linux servers, and Azure, among others.

Launched in 2017, Lumi is a small user experience company. Their services include ux/ui design, web design, branding, and product design. The firm is located in Edinburgh, United Kingdom.

Rightsoft LTD, a custom software development company, was launched in 2018. Headquartered in London, United Kingdom, their small team offers custom software development, web development, mobile app development, IT strategy consulting, and more.

200OK Solutions is a mobile app development firm based in Ahmedabad, India. Founded in 2009, their team of 30 serves clients in the hospitality, transportation, and dental sectors. Services include custom software development and web design.

Cubix is a software development company founded in 2008. Based in Washington, with offices in Karachi, Pakistan and Dubai, United Arab Emirates, their team of 151 specializes in custom software development, AR/VR development, and mobile app development. 

Applifting is a software studio based in Prague. Since 2014, their team of 70+ has been specializing in custom software development, digital strategy, and UX/UI design. 

Thinslices is a web development company. They are headquartered in Iasi, Romania and have a midsize team that offers web development, mobile app development, and ux/ui design. The agency was established in 2010.

Takeaway Reality is an AR/VR development company headquartered in London, United Kingdom. The small firm was established in 2020. Their team offers AR/VR development, marketing strategy, mobile & app marketing, and business consulting.