Top 100 Ruby on Rails Developers in London
The Best of January 2025Looking for a top Ruby on Rails development firm in London?
Searching for and vetting potential partners is an exhausting process.
To assist you in your search for a partner, we’ve compiled this list of the top Ruby on Rails developers in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best London Ruby on Rails Development Firms
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1
$10,000+50 - 249 employeesLondon, EnglandRead More
Rootquotient Technologies is a Custom Software Development agency with offices in London, Toronto and India Since 2019, the team of 170 has specialized in Custom made Web Application Development, Cross-platform Mobile App Development, Artificial Intelligence, Block chain, Machine Learning and Business Intelligence solutions.
Clients
Siemens GamesaIndustries
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2
$100,000+1,000 - 9,999 employeesLondon, EnglandLocated in North Miami Beach, Florida; Malmö, Sweden; North Miami Beach, Florida and Kraków, Poland, N-iX is a large IT staff augmentation company. They specialize in IT staff augmentation, Custom Software Development, BI & big data consulting & SI, Artificial Intelligence, and more and were founded in 2002.Read More
Clients
Bosch Siemens eBay Total EnergiesIndustries
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3
$25,000+250 - 999 employeesLondon, EnglandRead More
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.
Clients
PhilipsIndustries
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4
$50,000+1,000 - 9,999 employeesLondon, EnglandRead More
Andersen is an international custom software development company that, among other things, specializes in healthcare software development. Since its founding in 2007, the company has opened more than ten development centers and about ten sales offices worldwide. More than 2700 highly qualified specialists work on developing, customizing corporate IT solutions, web applications, and mobile applications. Andersen has completed over 950 projects and received hundreds of positive reviews from clients worldwide. Today the company is working on over 250 projects. Our technology stack includes .NET, C#, Java, Python, PHP, Node.js, TypeScript, Golang, C++, JavaScript, Angular, React.js, Vue.js, HTML, CSS, Java (Android), Swift / Objective C (iOS), React Native, and more. We also offer manual and automated testing, business and data analysis, UI/UX design, DevOps services, IT security management, and L1, L2, L3 support.
Clients
SamsungIndustries
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5
$25,000+10 - 49 employeesWatford, EnglandRead More
AppDrawn is a software solutions company founded in 1999. Their headquarters are in London and they have a second office in Barcelona. Across these 2 locations, they have a team of a dozen staff that do custom software development, web development, and mobile app development for small and medium-size businesses.
Clients
AspireIndustries
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6
$50,000+1,000 - 9,999 employeesLondon, EnglandRead More
Based in Vienna, VA, 10Pearls designs and maintains apps for various companies. The company and its nearly 350 employees have experience in cybersecurity, product development, and UX/UI design.
Clients
HughesNetIndustries
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7
$10,000+50 - 249 employeesLondon, EnglandRead More
Thoughtbot is a web and mobile app development company based in Boston, MA with offices in Austin, San Francisco, New York, Raleigh, Washington D.C, and London. Since 2003, this 50+ team has delivered empowering digital solutions to enterprise-level and small companies alike.
Clients
Health Match 360Industries
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8
$10,000+250 - 999 employeesLondon, EnglandRead More
TkXel is a mobile app and web development company founded in 2007. With its headquarters in Reston, Va., and an office in Lahore, Pakistan, they have a team of 318 employees. Their services include mobile app development, web development, and custom software development. They primarily serve small and midmarket clients.
Clients
ABBIndustries
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9
$10,000+50 - 249 employeesLondon, EnglandThe Codest is an IT staff augmentation company. They are based in London, England; Cracow, England; Warszawa, Poland and Berlin, Germany and have a midsize team. Their services include IT staff augmentation, Custom Software Development, Web Development, and DevOps Managed Services. The agency was founded in 2009.Read More
Clients
Mixfit Inc. (CH)Industries
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10
$25,000+50 - 249 employeesLondon, EnglandRead More
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.
Clients
NokiaIndustries
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11
$50,000+250 - 999 employeesLondon, EnglandOpinov8 Digital and Engineering Solutions is a software development company. Established in 2017, the team focuses on Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, and Enterprise App Modernization. Their midsize firm is in London, England; Kyiv, Ukraine; Cairo, Egypt and Weybridge, England.Read More
Clients
Fortune 500 CompaniesIndustries
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12
$50,000+250 - 999 employeesLondon, EnglandEstablished in 2006, SPD Technology is a custom software development company. The company offers Custom Software Development, Web Development, Mobile App Development, IT managed services, and more and has a midsize team. The company is in London, England; Seattle, Washington and Kyiv, Ukraine.Read More
Clients
PitchBook DataIndustries
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13
$10,000+250 - 999 employeesLondon, EnglandSoftProdigy is a software development company. They are located in Great Neck, New York; Great Neck, New York; London, England and Sahibzada Ajit Singh Nagar, India and have a midsize team. Their services include Custom Software Development, Mobile App Development, Artificial Intelligence, cloud consulting & SI, and more. The agency was launched in 2006.Read More
Clients
DeloitteIndustries
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14
$25,000+10 - 49 employeesLondon, EnglandRead More
Bit Zesty is a custom software development firm. They provide custom software development, ux/ui design, web development, application management & support, and more and were launched in 2009. Their small team is London, United Kingdom-based.
Clients
Oxford Medical SimulationIndustries
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15
$10,000+10 - 49 employeesLondon, EnglandRead More
Made Tech is a London-based software services provider that was founded in 2010. The company employs a team of 33 that provides e-commerce development, web development, custom software development, and conversion optimization services to mid-size and small businesses.
Clients
Rocket InternetIndustries
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16
$10,000+250 - 999 employeesLondon, EnglandRead More
Pixelette Technologies Ltd is a SEO services firm headquartered in London, United Kingdom. They focus on search engine optimization, conversion optimization, digital strategy, social media marketing, and more and were launched in 2018.
Industries
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17
$5,000+10 - 49 employeesLondon, EnglandRead More
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.
Clients
Just Eat Fleets Coffee Undersun Fitness TunnelloIndustries
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18
$50,000+50 - 249 employeesLondon, EnglandMetasite is a software development firm. Their midsize team is based in Vilnius, Lithuania and London, United Kingdom. The firm specializes in custom software development, application management & support, IT managed services, and IT strategy consulting.Read More
Clients
Man GroupIndustries
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19
$25,000+10 - 49 employeesLondon, EnglandRead 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.
Clients
ElderIndustries
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20
$50,000+50 - 249 employeesLondon, EnglandRead More
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.
Clients
American Red Cross British Red Cross Vodafone GlastonburyIndustries
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21
$25,000+250 - 999 employeesLondon, EnglandHelpware Tech is an IT strategy consulting company established in 2015. Their midsize team is located in San Francisco, California; Warszawa, Poland; London, England and Zug, Switzerland. Their services include IT strategy consulting, IT staff augmentation, Custom Software Development, Web Development, and more.Read More
Clients
Google Microsoft PWC CompIQIndustries
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22
$5,000+10 - 49 employeesLondon, EnglandRead More
Pixated is a marketing agency in London, England. Founded in 2018, they have about 2 employees that serve small-business and midmarket clients in the gaming, e-commerce, and advertising industries. Services include social media marketing, mobile app marketing, and PPC.
Clients
Tesco Heinz BooHoo Naked WolfeIndustries
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23
$5,000+10 - 49 employeesLondon, EnglandRead More
Hyper Apps is a mobile technology firm founded in 2015 with offices in Cluj-Napoca, Romania, Sydney and Melbourne, Australia, and London. Hyper Apps' team of about 100 employees specializes in mobile app development, web development, and UI/UX design.
Industries
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24
$100,000+50 - 249 employeesLondon, EnglandRead More
Elsewhen, a midsize software development firm, is located in London, United Kingdom. Their services include custom software development, enterprise app modernization, IT strategy consulting, business consulting, and more.
Industries
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25
$10,000+250 - 999 employeesLondon, EnglandRead More
Softwire is a digital design, engineering and support agency, with offices in London, Cambridge and Manchester. Employing over 200 engineers we create bespoke digital software, mobile apps, and offer strategic IT consulting for some of the UK’s leading brands including the BBC, David Lloyd Clubs, Channel 5 and many large Government Departments.
Clients
The BBCIndustries
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26
$10,000+10 - 49 employeesLondon, EnglandRead More
Cloudflex, a custom software development firm, is in Kyiv, Ukraine. The small team specializes in custom software development, mobile app development, web development, Artificial Intelligence, and more. The firm was founded in 2018.
Clients
YazaIndustries
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27
Undisclosed50 - 249 employeesLondon, EnglandRead More
Fourmeta is an e-commerce development firm founded in 2017. In London, United Kingdom, their midsize team offers e-commerce development, ux/ui design, and web development.
Industries
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28
$1,000+50 - 249 employeesLondon, England, UK, EnglandRead More
Golden Owl Consulting Ltd is a development agency founded in 2015 in Ho Chi Minh, Vietnam, with no more than 250 employees. They are experts in mobile app development, web development, and UX/UI design services.
Clients
DELEGATE CONNECTIndustries
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29
$25,000+50 - 249 employeesLondon, EnglandRead More
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.
Clients
AdidasIndustries
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30
$5,000+10 - 49 employeesLondon, EnglandRead More
Deazy is a small application development company. The Cardiff, United Kingdom-based agency was founded in 2016. Their services include mobile app development, custom software development, web development, ux/ui design, and more.
Clients
RACIndustries
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