Top 70 Web Development Companies in Cardiff
The Best of December 2025Looking for a top web developer in Cardiff?
In the modern world, an organization's digital presence is integral to its success. A well-crafted website is the cornerstone of that presence. While creating the perfect website can seem like an impossible task, there are an abundance of firms that specialize in web development in order to make it easier.
To assist you in your search for a partner, we’ve compiled this list of the top web development companies in Cardiff. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Cardiff Web Developers
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1$50,000+10 - 49 employeesCardiff, WalesRead More
Formed in 2003, Rantmedia is a mobile app development agency of 10+ designers, developers, and app testers. From their headquarters in Cardiff, this award-winning team provides innovative and outstanding digital solutions for organizations of any size.
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BBC LondonIndustries
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2$10,000+10 - 49 employeesCardiff, WalesRead More
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.
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LODIndustries
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3$25,000+50 - 249 employeesCardiff, WalesRead More
Box UK is an enterprise software development company based in Cardiff, UK, with an office in London. The company, founded in 1998, has more than 50 employees who provide, among others, custom software development, web development, and enterprise app modernization services to various businesses.
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OKdo.comIndustries
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4$25,000+10 - 49 employeesCardiff, WalesIllustrate Digital, a small website development firm, is in Cardiff, Wales and Bristol, England. Launched in 2013, the team specializes in Web Development, UX/UI Design, and Web Design.Read More
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Penguin Random HouseIndustries
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5$5,000+250 - 999 employeesCardiff, WalesIT staff augmentation company DigiMantra was founded in 2012. Their midsize team is headquartered in Sahibzada Ajit Singh Nagar, India; Dover, Delaware; Cardiff, Wales and Dubai, United Arab Emirates. DigiMantra focuses on IT staff augmentation, Mobile App Development, E-Commerce Development, Social Media Marketing, and more.Read More
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6$1,000+2 - 9 employeesCardiff, WalesRead More
SEO agency Appear Online was launched in 2022. Their small team is in Cardiff, United Kingdom. Appear Online focuses on search engine optimization, pay per click, web design, and web development.
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7$10,000+10 - 49 employeesCardiff , WalesCREO, a small branding company, is in Cardiff , Wales. The team specializes in Branding and Digital Strategy.Read More
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8$5,000+2 - 9 employeesCardiff, WalesRead More
CarbonCode Solutions Ltd, a custom software development company, was established in 2020. Based in Caerphilly, United Kingdom, their small team provides custom software development, web development, mobile app development, and other application development.
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9$5,000+2 - 9 employeesCardiff, WalesLine Industries is a web development company. They are headquartered in London, England and Cardiff, Wales, and their services include Web Development and Custom Software Development.Read More
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10$1,000+10 - 49 employeesCardiff, WalesGaze Technologies is a data analytics company established in 2009. They are based in Cardiff, Wales and Lahore, Pakistan and have a small team. Their services include BI & big data consulting & SI, Search Engine Optimization, cloud consulting & SI, ERP consulting and SI, and more.Read More
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11Undisclosed50 - 249 employeesCardiff, WalesKagool is a website development firm located in Cardiff, Wales and Manchester, England. The team provides Web Development and Web Design.Read More
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12$5,000+2 - 9 employeesBarry, WalesCardiff Web Development Ltd, a website development firm, focus on Web Development and Web Design. They were founded in 2012.Read More
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13$5,000+50 - 249 employeesPontprennau, WalesDEVHOUSE TECHNOLOGIES LTD is a website development firm. They are based in Pontprennau, Wales and Roma, Italy, and their services include Web Development and Mobile App Development.Read More
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14$10,000+10 - 49 employeesCardiff, WalesIn Cardiff, Wales and Bristol, England, Sugar Creative is an AR/VR development company. They focus on AR/VR development and Mobile App Development.Read More
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15$1,000+2 - 9 employeesCardiff, WalesRead More
New Media Ghost is a digital strategy company. They are based in Cardiff, United Kingdom and have a small team. Their services include digital strategy, social media marketing, content marketing, search engine optimization, and more.
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16Undisclosed50 - 249 employeesCardiff, WalesSEO company Invincible Media | SEO & Web Design Service Cardiff focuses on Search Engine Optimization and Web Design. They were established in 2016.Read More
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17Undisclosed2 - 9 employeesSaint Mellons, WalesButternut Web, a web design agency, was launched in 2021. The small team specializes in Web Design and Web Development.Read More
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18$5,000+2 - 9 employeesYstrad Mynach, WalesAgile Web Development Ltd is a small website development company based in Ystrad Mynach, Wales. Their services include Web Development and Web Design.Read More
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19$5,000+2 - 9 employeesCardiff, WalesOdyssey is a Digital Strategy company. Founded in 2018, the team focuses on Digital Strategy and Web Development.Read More
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20$10,000+10 - 49 employeesCardiff, WalesCardiff App Developers is a Cardiff, Wales-based mobile application development firm. The team specializes in Mobile App Development and Web Development.Read More
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21Undisclosed10 - 49 employeesCardiff, WalesPXA Marketing Limited, a small social media marketing agency, is headquartered in Cardiff, Wales. Their services include Social Media Marketing and Search Engine Optimization.Read More
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22$5,000+2 - 9 employeesCardiff, WalesD3 Digital is an application development firm. They are based in Cardiff, Wales and have small team. They provide Mobile App Development and Custom Software Development.Read More
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23Undisclosed2 - 9 employeesCardiff, WalesHeadquartered in Cardiff, Wales, LUMA Solutions is an IT managed services company. The team provides IT managed services and Application Testing.Read More
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24$10,000+2 - 9 employeesCardiff Bay, WalesFounded in 2006, Big Eye Deers Ltd., a small branding agency, is based in Cardiff Bay, Wales. Their services include Branding and Web Design.Read More
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25$5,000+2 - 9 employeesCardiff, WalesCodeByUK App Development is an app development firm launched in 2019. Their team offers Mobile App Development and Custom Software Development.Read More
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26$10,000+2 - 9 employeesLangstone, WalesBluprint Labs is a Langstone, Wales-based Digital Strategy company. Launched in 2016, the team specializes in Digital Strategy and Social Media Marketing.Read More
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27Undisclosed2 - 9 employeesNewport, WalesFounded in 2025, Time to Scale is a small SEO company. Their team offers Search Engine Optimization and Web Design.Read More
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28Undisclosed2 - 9 employeesCardiff, WalesSocial media marketing agency The Happy Edit is headquartered in Cardiff, Wales. They focus on Social Media Marketing and Email Marketing.Read More
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29$5,000+2 - 9 employeesCardiff, WalesDesign Tribe, a web design company, specializes in Web Design and UX/UI Design. The agency is headquartered in Cardiff, Wales.Read More
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30Undisclosed10 - 49 employeesBridgend, WalesITCS is an IT managed services company. Founded in 2004, the company is in Bridgend, Wales. Their team specializes in IT managed services and Web Development.Read More
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