Top 100 Internet of Things (IOT) Development Firms in the United Kingdom

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.

DataArt is a software engineering firm in München, Germany; Zug, Switzerland; London, England; and New York. Founded in 1997, they have about 3,000 employees that serve mainly midmarket and small-business clients in the financial, healthcare, and IT sectors. Services include custom software development, enterprise app modernization, and UI/UX design.

SoftProdigy is a software services provider headquartered in Budd Lake, NJ, with offices in India in Mohali, Chandigarh, and Ludhiana. Founded in 2006, SoftProdigy has about 250 employees that primarily provide small and midmarket businesses with web development and mobile app development services, although it can also offer SEO, blockchain, and social media marketing capabilities.

Infinum is a software development company in San Francisco, CA. The 50+ team has equal experience in mobile and web development. They work with clients from a variety of industries, including business and financial services and automotive.

Blue Ripples Technologies Private Limited is a software development company headquartered in Kulathoor, India; London, United Kingdom and Thiruvananthapuram, India. The midsize agency was launched in 2012. Their team provides custom software development, IoT development, Artificial Intelligence, and other application development.

Founded in 1998 in Denver, Itransition now has multiple offices in the U.S., U.K., E.U., and locations in eastern Europe housing more than 2,200 employees. They help power enterprises and SMBs globally with their digital solutions in the areas of business process automation, AI, data analytics, customer experience, and others. 

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.

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.

One Beyond is a bespoke software development and digital transformation company headquartered in London with additional engineering centers in Madrid (Spain), Budapest & Szeged (Hungary) and Bucharest (Romania). Across international locations, they have a team of more than 350 individuals providing custom software, web and mobile application development and large- scale digital transformation to a diverse clientele.They support large established businesses, nonprofits, government organizations, and VC-funded startups

Mobcoder is a software development company based in Seattle. They also have an office in Noida, India. Founded in 2014, their team of 40 employees provides mobile app development, custom software, and web development services to its midmarket and small business clients. They also serve enterprise clients. 

Appify is a mobile app development and consultancy agency located in Tullamore, Ireland. The team of about 5 employees serves enterprises and midmarket businesses in the financial services, business services, education, health care and medical, real estate, and retail industries. Their services include mobile app development, UX/UI design, AR/VR development, IoT development, and enterprise app modernization.

BGO Software is a Bulgarian software design company that has offices in Sofia, Plovdiv, and London, U.K. Established in 2008, the company employs a team of 73 who specialize in software and mobile app development. 

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.

FiftyFive Technologies is a custom software development company. They are located in London, United Kingdom and have a midsize team. Their services include custom software development, mobile app development, IoT development, and Artificial Intelligence.

Dwellfox is a IT strategy consulting company. They specialize in IT strategy consulting, IT managed services, ERP consulting and SI, and web development and were established in 2016. Their midsize team is in New York, New York.

Appsnation, an application development firm, was established in 2016. The small team provides mobile app development, custom software development, web development, wearable app development, and more. The firm is headquartered in Los Angeles, California.

DevGrid is a software development firm founded in 2015. Their midsize team is headquartered in London, United Kingdom and Caxias do Sul, Brazil and focuses on custom software development, IoT development, mobile app development, IT staff augmentation, and more.

BULB Studios is a digital design studio based in Leicester, England. They were founded in 2007 and have a team of 18 employees. They specialize in UX/UI design, graphic design, and web design for clients in the consumer products and services industry.
 

AVAMAE is a software solutions agency run by a team of fewer than 50 professionals founded in 2011. Based in London, the company offers custom software, web, and mobile app development services for small and medium-sized businesses from various industries, such as business services, financial services, and health care.

Lets Nurture is a web and mobile applications company headquartered in New York City, with offices in Seattle, India, Canada, Singapore, the UK, and Australia. Founded in 2009, the team of 131 specializes in AR/VR development, blockchain, and loT development. They work with small businesses and midmarkets, focusing on information technology, business services, arts, entertainment, and music.  

Intive is a software development firm headquartered in Munich, Germany, with regional offices in the USA, UK, and France. Established in 1999, Intive is one of the most well-established global firms in IT solutions and product development; they have 782 employees. Intive offers development for web, mobile, and custom platforms, and more for enterprise and midmarket-sized clients. 

Mobile app development company Borne Digital is headquartered in London, UK. Their team of 20 employees also works from offices in Toronto, Canada and New York. Established in 2013, they provide web design, web development, UX/UI design, and branding, on top of mobile app development services. Their clients span all industries but are mostly small and mid-market businesses.

StarNavi is an IT agency founded in 2017 with a team of 28 professionals. Based in Tallinn, Estonia, the company provides small and midmarket businesses with IT-managed services, IT staff augmentation, and web development assistance, working in the advertising & marketing, real estate, and business services industries, among others.

IT Labs, a IT strategy consulting company, is in Palm Beach Gardens, Florida; London, United Kingdom; Noordwijk, Netherlands and Skopje, North Macedonia. Founded in 2005, the midsize team focuses on IT strategy consulting, cloud consulting & SI, custom software development, and blockchain.

3rd Digital is a small Ahmedabad, India-based mobile application development company. Founded in 2017, the team specializes in mobile app development, web development, custom software development, ux/ui design, and more.

IT Path Solutions is a services and solutions company with offices in Ahmedabad, India; Moorseville, N.C.; and Harrow, U.K. It was founded in 2012 and has more than 80 employees. They provide mobile app development, web development, and cloud consulting and SI services. Their clients primarily consist of midmarket and small business clients in the IT, consumer products & services, education, and health care & medicine industries.

Hotovo , an IT staff augmentation company, is headquartered in Košice, Slovakia; Southampton, United Kingdom; Buenos Aires, Argentina and Belgrade, Serbia. Established in 2010, the midsize team focuses on IT staff augmentation, enterprise app modernization, web development, mobile app development, and more.

Somo is a digital development company of 125 employees, founded in 2009. Their headquarters is in London, England, with other locations in New York, San Francisco, Singapore, and Bristol, England. They offer numerous service lines, including mobile app development, enterprise app modernization, web development, and mobile marketing. They serve midmarket and enterprise businesses in various industries: media, automotive, business, financial services, advertising, and more. 

Logicbric is a software development firm. They provide Custom Software Development, Mobile App Development, IoT development, Artificial Intelligence, and more and were launched in 2023. Their small team is Ahmedabad, India-based.

Thorgate is a Python development company based in Tallinn, Estonia. Founded in 2011, this company has 30 employees and offices in London, Oslo, and Tallinn. Thorgate's services include custom software development, mobile app development, and web development.