Top 100 Cross Platform App Developers in the United Kingdom

Internet Dreams Studio is a small London, United Kingdom-based e-commerce development company. Their services include e-commerce development, mobile app development, search engine optimization, web design, and more.

Blott.io, a small mobile app development firm, is in London, United Kingdom; Johannesburg, South Africa and Colombo, Sri Lanka. They provide mobile app development, ux/ui design, product design, custom software development, and more and were founded in 2018.

Founded in 2011, Indiespring is a development firm. Their team of around 20 employees is based in Manchester, United Kingdom. They focus on mobile app development, app marketing, and application testing.

3 SIDED CUBE is an accredited app development and digital product agency headquartered in Bournemouth, England with additional locations in London, Chicago, and Washington, DC. Since their ambitious beginning in 2009, the team of about 38 has collaborated with startups and international organizations, reaching over 87 countries and more than 100 million global downloads. In addition to mobile app development, they also provide UX/UI design services to inspirational organizations.

Red C London is a mobile app development agency, founded in 1997. Based in London, their team of 11 specializes in mobile app development, web design, and UX/UI design. They work primarily with enterprises and midmarket businesses, focusing on financial services, government, and nonprofits.  

Arch is an innovative digital studio founded in 2005. They specialise in developing sophisticated websites, mobile apps, and business systems. Their expertise also includes providing tailored solutions for a range of industries including finance, education, fitness, and well-being. Notably, they have earned recognition, listed as one of 14 firms on Google’s Flutter directory. Their commitment lies in consistently pushing the boundaries of creativity and excellence in every project.
 

CodeLeap is a London, United Kingdom-based application development firm. The small team specializes in mobile app development, web development, Artificial Intelligence, AR/VR development, and more. The company was founded in 2019.

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. 

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.

Shout Digital is a web and mobile app development company founded in 2009. They have a team of roughly 33 employees across their three locations: Newcastle upon Tyne, England, London, and Philadelphia. Their clients include small businesses and midmarket firms in various industries including government, financial services, and consumer products and services.

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.

Instil Software is a software engineering firm based in Belfast, Northern Ireland. Founded in 2005, Instil has about 30 employees that work across a variety of industries. They offer custom software development, mobile app development, cloud consulting and software integration, IoT, and web development.

Headquartered in Norwich, United Kingdom, Hyper Pixel is a small mobile application development firm. Founded in 2014, the team offers mobile app development, mobile & app marketing, web development, web design, and more.

Purr Digital is a software development agency that has been offering web development, mobile app development, and custom software development to their small business and mid-market clients in the hospitality, arts and entertainment, and consumer products and services industries since 2013. Their 50 employees are based out of their London and Birmingham, UK offices. 

Milo Creative is a digital studio located in London. Founded in 2002, it has a team of 17 that specializes in mobile app development, UX/UI design, and web development services. They work with companies in various industries including education, health care & medical, and advertising & marketing.

Hero Team is a digital agency located in London. Founded in 2018, their services include mobile app and web development in addition to UX/UI design. Their team of 3 works with small businesses.

Small web design company and web development firm Plume, is located in Bristol, United Kingdom. Their services include web design and web development.

Based in Manchester, UK, Corporation Pop has been around for over a decade and is now an established part of the mobile and web development industry. The small team delivers powerful results to clients across several industries.

Bladeware is an app development company that is headquartered in Zaporizhzhya, Ukraine. Founded in 2018, the team of work to provide mobile app development, custom software development, and application testing services to their small business clients. They primarily work with businesses within the education, information technology, and business services industries. 

Founded in 2010, PioGroup Software is a development company based in Kharkiv, Ukraine. They have a small team of fewer than 50 people, and they primarily work with small businesses. 

Founded in 1998, AtomicMedia is a digital agency that works with enterprise, mid market, and small businesses. With two UK offices in Nottingham and Shoreditch, the team of 50  specialize in mobile app development, SEO, content marketing, PPC, web design, UX/UI design, and web development services for client.

Novoda is a digital-product agency based in London, England, that was established in 2008. Their team of 71 employees provides mobile app development, UX/UI design, enterprise app modernization, digital strategy, and AR/VR development services.

Future Platforms is a London based digital agency. Founded in 2000, Future Platforms employs a team of 39 specialists that provide e-commerce,​ ​​​​​​mobile app, and wearable app development.

In London, United Kingdom, Main Menu is a software development firm. The small team offers custom software development, web development, web design, ux/ui design, and more. The agency was launched in 2009.

Bad Dinosaur is a development company in Edinburgh, Scotland. Founded in 2013, they have about 15 employees that serve small-business and midmarket clients in the financial, education, and business sectors. Services include custom software development, UI/UX design, and mobile app development.

The Curve, a software development firm, is in Sheffield, United Kingdom. They specialize in custom software development, web development, and mobile app development and were founded in 2019.

Thought&Function is a digital agency founded in London in 2017 with no more than 10 members. They are experts in web development, mobile app development, and UX/UI design solutions for clients in the industries of financial services, education, and health care.

Chilliapple Ltd., a mobile app development company, was launched in 2008. The small team specializes in mobile app development, e-commerce development, custom software development, and web development. The company is based in Kent, United Kingdom and , United Kingdom.

DabApps is a web and mobile application development agency based in Brighton, England. They were founded in 2010 and have a staff of 21 employees. They specialize in custom software, web, and mobile app development for primarily small business clients in the business services, consumer products, and education industries.

VTS Software is software development company located in Manchester, U.K. Since 2007, their small team of around 5 has been specializing in custom software, web, and mobile app development for small and mid-sized businesses alike. They have experience in a variety of industries such as advertising, healthcare, manufacturing, and business services.