Discover the leading SEO agencies in Cardiff as ranked by our team of industry experts. Choose the right agency for your business using the filter to browse by average rates, team size, client reviews and more.

Best Cardiff SEO Company Rankings

28 Companies
Rankings updated: July 18, 2025
  • Cardiff SEO

    SEO Services To Take Your Business To The Next Level.
    At Cardiff SEO, our primary focus is on fostering sustainable organic growth for your business. We prioritize delivering measurable results that ensure a solid return on your investment, utilizing precise metrics to track your progress and achieve your desired outcomes.  [... view the full profile of Cardiff SEO]
    Cardiff, United Kingdom
    Under 49 $60/hr Under $1,000
    VISIT WEBSITE
  • Head45 Dental

    Reclaim your smile online. Head45 Dental, the experts in dental SEO, PPC, and web design.
    At Head45 Dental, based in the UK, we're dedicated to dental SEO, PPC, and web design. We pride ourselves on clarity, trust, and delivering exceptional results. Through data-driven strategies, creativity, and an unwavering commitment to excellence, we redefine your online dental presence.  [... view the full profile of Head45 Dental]
    Cardiff, United Kingdom
    Under 49 Inquire Inquire
    VISIT WEBSITE
  • burningred

    Welcome to burningred - marketers and makers with soul and vision.
    We’re a digital marketing agency with soul and vision and we fuel brands.With over 15 years working internationally in the creative marketing industry from our Cardiff base, we specialise in bringing brands to life through content, digital marketing, and online campaigns and websites.  [... view the full profile of Burningred]
    Cardiff, United Kingdom
    Under 49 $99/hr $1,000 - $10,000
    VISIT WEBSITE
  • Kagool

    Kagool is an award-winning digital agency with significant experience across multiple sectors, including legal, automotive and manufacturing. We’re also a top tier Sitecore Platinum Partner who helps enterprise organisations with digital strategy, website development and all aspects of digital marketing. Our team of  [... view the full profile of Kagool]
    Cardiff, United Kingdom
    50 - 99 $110/hr Inquire
    VISIT WEBSITE
  • Red Lion Design are a team of Web Designers and Search Engine Optimisation specialists. We cater for web clients all over the world not just the UK.  [... view the full profile of Red King Digital Marketing]
    Cardiff, United Kingdom
    Under 49 Inquire Inquire
    VISIT WEBSITE
  • WCS Agency

    Cardiff-bred WCS is your all-in-one digital partner. We're a full scale marketing agency specialising in social media management, branding, PR, and SEO.  [... view the full profile of WCS Agency]
    Cardiff, United Kingdom
    Under 49 Inquire Inquire
    VISIT WEBSITE
  • Re-Imagine

    We are Re-Imagine. A digital marketing agency in Cardiff, serving clients worldwide. Your products and services are worthy of attention. We bring content marketing and digital PR strategies together with extensive SEO skills to deliver an unrivalled agency experience.  [... view the full profile of Re-Imagine]
    Cardiff, United Kingdom
    Under 49 Inquire Inquire
    VISIT WEBSITE
  • Yard

    Data driven digital across channels
    Yard is leading the way for a new generation of digital marketing. Our approach is rooted in rigorous data analysis and impressive return on investment. What sets us apart is our ability to help businesses achieve greater success with greater efficiency.  [... view the full profile of Yard]
    Cardiff, United Kingdom
    100 - 249 $149/hr $1,000 - $10,000
    VISIT WEBSITE
  • True SEO Ltd

    Trusted B2B SEO agency in UK.
    True SEO is a Cardiff-based SEO agency helping local and national businesses grow through smart search strategies. From local SEO and content optimisation to technical fixes and topical authority building, we drive long-term results. Trusted by accountants, dentists, law firms, and e-commerce brands across the UK, we  [... view the full profile of True SEO Ltd]
    Cardiff, United Kingdom
    Under 49 $90/hr $1,000 - $10,000
    VISIT WEBSITE
  • Ubiquity Group

    A fully integrated creative communications agency creating and developing campaigns across a variety of sectors including, but not limited to, sport, education and food.Our creative execution and advertising strategies are entirely bespoke ensuring the right message is being delivered to right people, at the right  [... view the full profile of Ubiquity Group]
    Cardiff, United Kingdom
    Under 49 $60/hr $10,000 - $25,000
    VISIT WEBSITE
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  • Starting, growing and scaling stand-out businesses
    Lunax is a luxury digital marketing agency based in the centre of Cardiff, Wales. We create, develop and run creative, integrated marketing communication campaigns to build brands and drive sales or enquiries.  [... view the full profile of Lunax Digital Marketing]
    Cardiff, United Kingdom
    Under 49 Inquire Inquire
  • Levitate

    Levitate is a creative website consultancy operating worldwide. We specialise in Design, SEO & Digital Marketing.  [... view the full profile of Levitate]
    Cardiff, United Kingdom
    Under 49 Inquire Inquire
  • Invincible Media

    Youre here to grow your business, and were here to help make it happen. We know how time-consuming it is to make DIY websites or flick pound notes at Google or Facebook ads in the hope that you'll see a return. In an industry full of fads and hyped-up influencers we bring real results and affordability to the table  [... view the full profile of Invincible Media]
    Cardiff, United Kingdom
    Under 49 Inquire Inquire
  • Ascend

    SEO cant be bought, but it can be earned. At Ascend, we plan for the future, and through in-depth analysis we aim to help your business flourish thanks to our forward-thinking and proactive approach to help you grow to new heights online.  [... view the full profile of Ascend]
    Cardiff, United Kingdom
    Under 49 Inquire Inquire
  • BMD Marketing

    BMD Marketing are on a mission to help businesses to #BeMoreDigital. We offer services from content marketing, social media management, graphic design, branding and website design.  [... view the full profile of BMD Marketing]
    Cardiff, United Kingdom
    Under 49 Inquire Inquire
  • Jackdaw Marketing is an SEO and internet marketing agency based in the heart of Cardiff. Our SEO company provides consultancy services to SEM's, helping to grow their organic traffic.  [... view the full profile of Jackdaw Marketing]
    Cardiff, United Kingdom
    Under 49 Inquire Inquire
  • Marketing Purks

    We are a marketing agency based in Cardiff providing a bespoke marketing solution that will give the best support aligned with your business goals.  [... view the full profile of Marketing Purks]
    Cardiff, United Kingdom
    Under 49 Inquire Inquire
  • DClickweb

    Our complete range of Digital Marketing Services helps you Drive More Traffic, Improve Conversions, Generate High-Quality Leads, and Earn Higher Revenues through your website. Our varied experience allows us to fulfil requirements from all kinds of clients, from smaller industries to big multinational companies. Our  [... view the full profile of DClickweb]
    Cardiff, United Kingdom
    Under 49 Inquire Inquire
  • NiwTech

    Digital Marketing Agency, Information Technology Consulting Company
    Digital Marketing Agency, Information Technology Consulting Company  [... view the full profile of NiwTech]
    Cardiff, United Kingdom
    Under 49 $65/hr Under $1,000
  • Marketing support that scales with your business.
    Arlo & Ball is a dynamic digital marketing agency that blends strategy, creativity, and data-driven insights to elevate brands. From branding and design to content and campaigns, we craft tailored solutions that make an impact.  [... view the full profile of Arlo & Ball Limited]
    Cardiff, United Kingdom
    Under 49 Inquire Inquire
  • Gomie Design

    GOMIE DESIGN IS A CREATIVE DIGITAL DESIGN AGENCY BASED IN BARRY AND CARDIFF, UK. WE SPECIALISE IN WEB AND MOBILE APP DESIGN, LOGOS AND BRANDING, EDITORIAL DESIGN, ADVERTISING, MOTION VIDEO AND GRAPHIC DESIGN FOR PRINT.WE WANT TO MAKE A MEANINGFUL IMPACT ON YOUR BUSINESS AND WE'RE A TEAM WHO ARE INCREDIBLY PASSIONATE  [... view the full profile of Gomie Design]
    Cardiff, United Kingdom
    50 - 99 $49/hr $1,000 - $10,000
  • HQ SEO

    For Better Organic Traffic
    HQ SEO is a digital marketing powerhouse, setting UK-based SaaS, ecommerce and B2B businesses on the path to long-term success. With expertise in search engine optimization and innovative inbound tactics, we provide clients with unbeatable organic rankings for sustainable growth.  [... view the full profile of HQ SEO]
    Cardiff, United Kingdom
    Under 49 $199/hr $1,000 - $10,000
  • Nocturnal Lab

    Elevating Brands with Creativity
    Nocturnal Lab is a creative force to be reckoned with, taking the Cardiff digital design scene by storm. Our specialized team weaves marketing strategy into every project for an all-encompassing online presence that speaks volumes about our clients' brands and identities. From crafting logos for social media to  [... view the full profile of Nocturnal Lab]
    Cardiff, United Kingdom
    Under 49 Inquire Inquire
  • Bring Balance to your marketing.
    We help financial services brands grow through industry specific expertise, insights, strategy and unparalleled digital marketing campaign performance.  [... view the full profile of Balance Marketing Ltd]
    Cardiff, United Kingdom
    100 - 249 Inquire Inquire
  • Freshwater

    Freshwater is a leading communications agency. Weve been helping clients across the UK to achieve their objectives for more than 20 years. Strategically. Creatively. And with enthusiasm and expertise.  [... view the full profile of Freshwater]
    Cardiff, United Kingdom
    100 - 249 Inquire Inquire
  • Digital Virtue

    Web Experts
    We deliver brand, website design and digital marketing services to deliver measurable results and ROI. We’ll deliver you profitable sales by understanding your business needs, your customers and how they interact in today’s digital world.Our approach is straight talking, forward thinking.  [... view the full profile of Digital Virtue]
    Cardiff, United Kingdom
    Under 49 Inquire $1,000 - $10,000
  • Creating Engaging Designs & Brands
    We offer stunning and captivating graphic design, web design, and app design solutions at The Web Designer Cardiff, a small but highly experienced graphic design group based in Cardiff.  [... view the full profile of The Designer Cardiff]
    Cardiff, United Kingdom
    Under 49 $49/hr $1,000 - $10,000
  • Design Ocean

    A Brand Transforming Agency
    Design Ocean specializes in crafting dynamic and engaging creative communications to help clients stand out. Our team of experts provides sound strategic advice and innovative visuals including web design, mobile apps, brochures and 3D visualization that capture the essence of a brand identity. We also offer services  [... view the full profile of Design Ocean]
    Cardiff, United Kingdom
    Under 49 $149/hr $1,000 - $10,000
About The Author and Expert Reviewer
Grisel Garcia is an experienced writer and editor who started her career in magazines, and then successfully transitioned to digital media. With a deep understanding of content marketing, management, and strategy, Grisel has worked with brands across diverse industries such as SaaS, travel and lifestyle, and logistics. She presently covers marketing topics at DesignRush.
Florentina Schinteie is a highly skilled and qualified SEO specialist with 15+ years of industry experience. Combining ingenious optimization strategies with ceaseless dedication, she ushered companies like SEM Lion, Sunrise Interactive Agency, and Digital Silk—businesses within the SEO, digital marketing, and other similar industries as DesignRush—through significant search engine algorithm changes. In her first 18 months at DesignRush, she has increased website traffic by 22x and traffic value by 400x, all while increasing the top-ranking pages from 50 to 5,000.
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