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Digital Marketing Agencies Cardiff

Trusted Digital Marketing Agencies in Cardiff

Every digital marketing agencies listed in Cardiff has been checked for credentials, customer reviews and reputation.

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Recommended 6 Digital Marketing Agencies by Trusted Sources

Updated: 20 May 2026
  • Reviews
  • Complaints
  • Transparency
  • Engagement
  • Registration

Looking for trusted digital marketing agencies in Cardiff? We have curated a list of vetted professionals who are known for reliability, expertise and genuine customer satisfaction. Browse the best digital marketing agencies serving Cardiff and get free quotes today.

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Nick Walsh Home Services Marketing Agency

Nick Walsh Home Services Marketing Agency

Why choose this agency?

Clients say:Capable

Nick Walsh Home Services Marketing Agency is a digital marketing agency in Cardiff specializing in SEO and online advertising for home service professionals. The agency focuses on generating leads and bookings for plumbers, roofers, electricians, pest control, and garage door companies through proven strategies like Facebook Ads.

With over £35 million in revenue generated for clients, the agency demonstrates strong results. Reviews highlight Nick's proactive approach and effectiveness in delivering leads. For Cardiff businesses seeking a dedicated digital marketing partner, Nick Walsh offers targeted solutions to grow online presence and drive customer inquiries.

Source:Google
Lunax Digital Marketing

Lunax Digital Marketing

Why choose this agency?

Clients say:Passionate

Lunax Digital Marketing is a top-rated full-service digital and creative marketing agency based in Cardiff. Specializing in advertising, PR, and creative communication campaigns for purpose-led brands, the agency starts with client objectives and designs data-driven marketing strategies. Services include SEO, PPC, social media, email automation, and website creation.

Clients praise the team's clear explanations, technical knowledge, and transformative results, such as consistent lead generation and improved brand visibility. With a focus on research and innovative solutions, Lunax Digital Marketing is a strong choice for businesses in Cardiff seeking comprehensive digital marketing services.

Gecko Brand & Digital Media

Gecko Brand & Digital Media

Why choose this agency?

Clients say:Tidy

Gecko Brand & Digital Media is a digital marketing agency based in Cardiff, offering bespoke web design, brand development, and digital strategy services. The agency creates custom websites that deliver a powerful online presence, with expertise in complex integrations, eCommerce, and content-heavy sites.

Clients praise Gecko for its proactive support, technical skill, and long-term partnership approach. With over a decade of experience, the team provides one-to-one service and ongoing maintenance, ensuring websites remain secure and up-to-date. Gecko is a strong choice for businesses in Cardiff seeking a reliable and creative digital marketing partner.

Source:Google
Appear Online

Appear Online

Why choose this agency?

Clients say:Efficient

Appear Online is a search engine marketing agency based in Cardiff, offering SEO, PPC, and content marketing services. The agency focuses on driving traffic, increasing leads, and boosting ROI for businesses. It also provides AI optimisation for visibility across large language models and AI-driven platforms.

Client reviews highlight tailored strategies, transparent communication, and measurable results. With a strong track record in ecommerce and local business growth, Appear Online is a reliable choice for digital marketing in Cardiff.

Lumen SEO

Lumen SEO

Why choose this agency?

Clients say:Courteous

Lumen SEO is a transparent digital marketing agency based in Cardiff, UK, specializing in affordable SEO services for small and medium businesses. The agency offers a range of services including free website audits, SEO coaching, and pay-as-you-go SEO billed by the hour. Clients appreciate the clear communication and regular updates on work completed and results.

Reviews highlight significant traffic growth and first-page keyword rankings within months. Lumen SEO is featured in various publications and provides tailored strategies to meet unique business needs. For businesses in Cardiff seeking a trustworthy and results-driven digital marketing partner, Lumen SEO is a strong choice.

WebBox Digital

WebBox Digital

Why choose this agency?

Clients say:Insightful

WebBox Digital is a digital marketing agency based in Cardiff, specializing in website creation and marketing campaigns for health, leisure, tourism, and sports organizations. The agency focuses on driving digital transformation through services like digital experience optimization, growth marketing, and insights-driven strategy.

Clients consistently praise the team for being professional, responsive, and dedicated, with projects delivered on time and on budget. With over a decade of experience, WebBox Digital helps businesses in Cardiff achieve tangible results through data-driven campaigns and seamless online journeys. Their partnership-focused approach ensures meaningful change for clients seeking to improve their digital presence and performance.

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