Email Marketing agencies in Cardiff.
Email Marketing is the discipline of earning revenue from owned audience data through lifecycle automation, segmentation, and CRM-driven campaigns. In 2026 it sits closer to retention and CRM than to broadcast newsletters, and the make-or-break metric is deliverability: SPF, DKIM, DMARC, and BIMI now decide whether a message reaches the inbox at all. This page shows every agency on AgencyIndex offering email marketing in Cardiff.
- 8 UK agencies offering email marketing in Cardiff
- Part of the Email Marketing service set
- Indexed in Cardiff
- Reviewed 17 May 2026

Hello Starling is a Cardiff-based media planning and buying agency that prioritises result-driven strategies. Uniquely identified by its dedication to delivering quantifiable results for its clients, Hello Starling utilises data-led insights to customise campaigns for optimal engagement and influence. With a diversity of media specialities, encompassing TV, cinema, radio, outdoor, press, digital,

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

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

Alytix Marketing, a UK-based marketing and analytics firm in Cardiff, excels in converting intricate data into practical insights to boost marketing and sales results. Our distinct focus is on offering a comprehensive suite of services, from managing digital campaigns to crafting analytics strategies. We distinguish ourselves through our 'done-for-you' analytics solutions and dynamic data visualis

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

Established in Cardiff, Wales, Martin Hopkins Partnership Ltd. is a leading brand, design, and digital agency, renowned for crafting distinctive brands exuding vibrancy and dynamism. Our unique selling proposition lies in our determination to create brands with a distinctive tone, coupled with our robust emphasis on superior user experience and fruitful customer interactions. With a legacy dating

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 8 email marketing 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 email marketing agencies in the UK, see the email marketing service brief. For context on Cardiff's marketing cluster, see the Cardiff location brief. The pricing, timeline and red-flag notes below apply to email marketing as a discipline; they do not change materially in Cardiff.
Boutique / freelance £300-1,500 · Mid-market £1,500-4,000 · Senior / enterprise £4,000-15,000+. Platform fees (Klaviyo, Braze, ActiveCampaign, HubSpot, Salesforce Marketing Cloud) usually passed through at cost. One-off audits £1,000-5,000.
1-2wk audit and deliverability fixes · 2-4wk first campaigns live · 4-8wk basic automation (welcome, abandoned cart, post-purchase) · 3-6mo credible ROI readout · 6-12mo mature lifecycle programme.
- · Offers to buy, rent, or scrape lists, or to 'warm up' purchased data
- · Treats UK GDPR as 'just add an unsubscribe link' or dismisses PECR for B2B
- · No mention of SPF, DKIM, DMARC, or a deliverability monitoring stack
- · Strategy reduces to 'send more emails' or 'volume fixes deliverability'
- · Reports only on opens and clicks, ignores complaint and bounce rates
- · Cannot show consent logs, suppression workflow, or a data processing agreement
Email Marketing agencies in other cities.
Other services in Cardiff.
What brands ask about email marketing agencies.
The 5 questions our editors get most often, answered honestly. These apply to email marketing as a discipline regardless of city.