Web Design agencies in Cardiff.
Web Design is the discipline that shapes how a website looks, reads, and behaves: research, information architecture, wireframing, interaction design, and visual UI work that sits upstream of the technical build. In 2026 the brief now routinely covers accessibility under WCAG 2.1 AA, Core Web Vitals performance budgets, and a clear handover to development. This page shows every agency on AgencyIndex offering web design in Cardiff.
- 9 UK agencies offering web design in Cardiff
- Part of the Web Design service set
- Indexed in Cardiff
- Reviewed 18 May 2026

New Media Ghost, a customised digital marketing agency based in Cardiff, excels in curating robust online presence for both businesses and individuals. As specialists in crafting and engaging with digital audiences, we distinguish ourselves through our unwavering commitment to discretion and tailoring unique strategies. We guarantee your content and social media resonate with your brand's voice, s

Patter, a UK-based marketing agency situated in Abercynon, distinguishes itself with a people-centric methodology. We specialise in providing high-yielding websites, strategic paid advertising, and smart email marketing solutions to fuel genuine, long-term growth for businesses. Our team, composed of leading strategic minds and innovative creatives, is dedicated to securing more customers and boos

Pobl Tech, based in Cardiff, South Wales, introduces inventive approaches that tackle your obstacles through strategic and imaginative thought. As a full-service digital agency, Pobl Tech delivers web design, branding, and digital marketing solutions targeted at propelling your organisation forward. Proud to be a bilingual agency in Wales, Pobl Tech excels in formulating multilingual communicati

Rant Agency, a celebrated UK-based mobile app development firm, excels in revolutionising businesses digitally via crafting custom-made mobile and web applications. Catering to a wide array of clientele, from emerging startups to international brands in the private, public, and non-profit sectors, our expertise shines through. Since our inception in 2003, we've forged robust alliances, providing a

Mamba Marketing, a UK-based, award-winning full-service marketing agency, boasts additional branches in Dubai and the US. Distinguished by an extensive suite of services, Mamba Marketing specialises in B2C and B2B solutions, e-commerce strategies, lead generation, and content initiatives, all tailored to drive short-term victories and sustainable brand expansion. The agency's unique selling propos

Focusing on several crucial aspects, Odyssey specialises in: - Driving a significant increase in sales via your website - Bolstering customer loyalty on your online platform - Escalating user interaction - Streamlining website functionality and navigability - Enhancing the total user experience on your site - Integrating your brand seamlessly into your digital footprint - Overseeing website

Beyond Marketing, a Cardiff-based strategic marketing agency, distinguishes itself through its dedication to developing purpose-driven marketing strategies. These strategies unearth unseen challenges and foster authentic relationships, guaranteeing sustainable growth and beneficial outcomes for our clients. Our offerings encompass strategic insights, persuasive communication, and the inclusion of

Newwave is a multifaceted branding, web, and marketing agency nestled in the heart of Cardiff. Our distinguishing feature is our extensive array of services encompassing branding, web design, ecommerce solutions, and an all-encompassing suite of marketing services. This includes SEO, Google Ads, social media management, and email marketing. Known for producing outstanding results, Newwave is proud

WCS Agency, a dynamic marketing and PR firm located in Cardiff, embodies the fusion of creativity and strategy, deeply rooted in Welsh heritage yet extending its influence globally. This agency distinguishes itself with a steadfast team of professionals, leveraging cutting-edge tools to deliver targeted, strategic, and impactful marketing outcomes. WCS Agency's commitment goes beyond superficial m
AgencyIndex tracks 9 web design agencies in Cardiff. The list above is filtered to that intersection and ordered with verified and featured listings first.
For the wider editor's view on web design agencies in the UK, see the web design service brief. For context on Cardiff's marketing cluster, see the Cardiff location brief. The pricing, timeline and red-flag notes below apply to web design as a discipline; they do not change materially in Cardiff.
Boutique brochure and small CMS £2,000-8,000 · Mid-market discovery, UX, and design system £8,000-25,000 · Network and complex commerce £25,000-100,000+. Standalone audits and UX reviews £500-10,000. Agency hourly rates £60-200.
Brochure site 6-10 weeks · Ecommerce 10-18 weeks. Phases: discovery 1-3wks, design 2-5wks, build 2-8wks, QA and launch 1-2wks. Strategy-led or multi-stakeholder programmes commonly quote 4-6 months end to end.
- · Pitch jumps straight to visual mockups with no discovery, audience, or content work upstream
- · No relevant case studies or measurable outcomes, only attractive screens with no context
- · Vague process, no design previews, unclear what is delivered before launch
- · Accessibility, Core Web Vitals, or SEO foundations never come up in the pitch
- · Contract leaves revision rounds, scope, IP, and post-launch support undefined
- · Refusal to name the people actually doing the work or disclose subcontracting
Web Design agencies in other cities.
Other services in Cardiff.
What brands ask about web design agencies.
The 5 questions our editors get most often, answered honestly. These apply to web design as a discipline regardless of city.