Top 100 SEO Companies in Cardiff
The Best of December 2025Looking for a top SEO firm in Cardiff?
Compare top-performing SEO agencies to see which may be the best fit for your business goals. Whether you're seeking to improve your ranking in search engine results pages, boost website traffic, or show up in local search results, investing in SEO is important for business growth.
To assist you in your search for a partner, we’ve compiled this list of the top SEO companies in Cardiff. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Cardiff SEO Firms
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$1,000+10 - 49 employeesNew York, NYSEO company NuStream is in New York, New York; Philadelphia, Pennsylvania and Allentown, Pennsylvania. They provide Search Engine Optimization, Web Design, Digital Strategy, and Video Production and were established in 2010.Read More
Industries
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31$1,000+2 - 9 employeesCardiff, WalesReceptive Media Limited, a small web design agency, is located in Cardiff, Wales. Their services include Web Design and Search Engine Optimization.Read More
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32$1,000+2 - 9 employeesNewport, WalesIn Newport, Wales, Adventure Digital Ltd is a pay per click company. They provide Pay Per Click and Search Engine Optimization.Read More
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33$1,000+2 - 9 employeesCardiff, WalesEstablished in 2024, Trades Grow is an Advertising company. The team focuses on Advertising and Search Engine Optimization.Read More
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34Undisclosed50 - 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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35$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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36$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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37$1,000+2 - 9 employeesCardiff, WalesDegu Media PR is a public relations company founded in 2013. Their team focuses on Public Relations and Advertising.Read More
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38Undisclosed2 - 9 employeesSaint Mellons, WalesSmall web design agency Rhys Welsh, is in Saint Mellons, Wales. Their services include Web Design and Graphic Design.Read More
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39$10,000+10 - 49 employeesCardiff, WalesWeb design agency Ubiquity is based in Cardiff, Wales. They focus on Web Design and Advertising.Read More
Industries
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40Undisclosed10 - 49 employeesCardiff, WalesS E O Site Builder is a small Cardiff, Wales-based SEO services firm. Their services include Search Engine Optimization and E-Commerce Development.Read More
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41$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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42Undisclosed2 - 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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43Undisclosed2 - 9 employeesCardiff, WalesMalang Creatives is a social media marketing company. Launched in 2020, the company is headquartered in Cardiff, Wales. Their team specializes in Social Media Marketing and Marketing Strategy.Read More
Industries
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44Undisclosed2 - 9 employeesPenarth near Cardiff, WalesWebJewel Digital Marketing, a small SEO agency and web design agency, is headquartered in Penarth near Cardiff, Wales. Their services include Search Engine Optimization and Web Design.Read More
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45$1,000+2 - 9 employeesCardiff, WalesSEO services firm SEO Agency Cardiff is based in Cardiff, Wales. They focus on Search Engine Optimization and Pay Per Click and were founded in 2024.Read More
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46Undisclosed10 - 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
Industries
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47$1,000+2 - 9 employeesCardiff, WalesXFlow Studio is a web design company headquartered in Gifhorn, Germany and Cardiff, Wales. They provide Web Design and Artificial Intelligence.Read More
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48$1,000+2 - 9 employeesTaff's Well, WalesHML Marketing is a SEO agency. They are based in Pencoed, Wales and Taff's Well, Wales and have small team of experts. Their services include Search Engine Optimization and Digital Strategy.Read More
Industries
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49UndisclosedFreelancer employeesCaerphilly, WalesEveryday Digital, a SEO services firm, is in Caerphilly, Wales. The team specializes in Search Engine Optimization.Read More
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50$1,000+Freelancer employeesCardiff, WalesCardiff Media Ltd is a web design company founded in 2019. The firm provides Web Design and Search Engine Optimization.Read More
Industries
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51Undisclosed2 - 9 employeesCardiff, WalesCeltic Digital Marketing is a SEO agency. Their small team is based in Cardiff, Wales. Their services include Search Engine Optimization and Logo.Read More
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52Undisclosed2 - 9 employeesCardiff, WalesBlanco Digital is a PPC agency. The team is located in Cardiff, Wales, and their services include Pay Per Click and Search Engine Optimization.Read More
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53Undisclosed2 - 9 employeesCardiff, WalesPurple Ape Digital is a pay per click agency. They are based in Cardiff, Wales, and their services include Pay Per Click and Search Engine Optimization.Read More
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54Undisclosed2 - 9 employeesCardiff , WalesAlmukhtar Corp is a SEO services firm. The small Cardiff , Wales-based team focuses on Search Engine Optimization and Social Media Marketing. The company was launched in 2013.Read More
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55$1,000+2 - 9 employeesLlanfoist, WalesRead More
The Marketing Sparkie is an SEO agency based in Abergavenny, U.K. with fewer than 10 employees. Founded in 2013, they offer SEO services, digital strategy, and social media marketing for small businesses in the industries of advertising and business services.
Clients
Vinci Surveys LimitedIndustries
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56Undisclosed2 - 9 employeesClose, WalesLaunched in 2017, Hutch House Digital Media is a PPC company. The small team provides pay per click, web design, and search engine optimization. The company is headquartered in Close, United Kingdom.Read More
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57Undisclosed2 - 9 employeesCardiff, WalesCF24 Web Services is a Content Marketing company. Based in Cardiff, Wales, their team focuses on Content Marketing and Web Design.Read More
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58Undisclosed2 - 9 employeesCardiff Bay, WalesWeb design company Eazyweb Internet Services was launched in 1996. In Cardiff Bay, Wales, the team offers Web Design and Web Development.Read More
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59Undisclosed10 - 49 employeesCardiff, WalesFounded in 2013, Traffic Jam Media is a Conversion Optimization company. Based in Cardiff, Wales, the team specializes in Conversion Optimization and Marketing Strategy.Read More
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60$1,000+2 - 9 employeesTreforest Industrial Estate, WalesWeb design agency The 107 Group was founded in 2001. The small team offers Web Design and Search Engine Optimization.Read More
Industries
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