864 agencies indexed·Latest entry: 28 August 2026
Home/Services/Email Marketing
Service · 250 agencies

Email Marketing agencies.

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.

At a glance
  • 250 UK agencies offering email marketing
  • Across 32 UK locations
  • Reviewed 17 May 2026
Showing 241-250 of 250 email marketing agenciesView in full archive
A8om logo
A8om
Independent·London·11-50 Employees

A8om is a London-based full-service digital marketing agency that specializes in SEO, PPC, brand identity, website development, and more. With a team of creative strategists and technical experts, they have helped businesses of all sizes, from startups to large enterprises, enhance their digital presence and drive revenue growth. Drawing from years of industry experience, A8om uses data-driven met

Mobikasa logo
Mobikasa
Independent·London·51-200 Employees

As a powerhouse of digital strategy, Mobikasa is composed of an assorted mix of strategists, creators, developers, scribes, directors, and producers, united by a cutting-edge philosophy. This multifaceted team collaboratively engineers pioneering digital solutions that resonate with global audiences. With an industry tenure exceeding a decade, Mobikasa's designs, underpinned by scientific insight,

Galexia Creative Agency logo
Galexia Creative Agency
Independent·London·2-10 Employees

Galexia Creative Agency, a creative hub, specialises in fostering the growth of start-ups. Our services span from customised WordPress website development to managing social media and optimising for SEO, all under the umbrella of superior project management. This not only eases the burden of running a start-up but also ensures its growth. At Galexia, our distinctive method concentrates on nurturin

The One Stop Marketing logo
The One Stop Marketing
Independent·London·2-10 Employees

The One Stop Marketing Ltd, a premier digital marketing agency situated in London, UK, is renowned for its distinct focus on augmenting brands' online footprint. Leveraging data-driven approaches, they enhance visibility and elevate market value. Providing a diverse array of digital marketing solutions, The One Stop Marketing Ltd guarantees personalised strategies that effectively amplify business

UKB Marketing logo
UKB Marketing
Independent·Bournemouth·2-10 Employees

UKB Marketing, a premier digital marketing firm located in Bournemouth, is renowned for its performance marketing services. They offer a range of bespoke services including marketing strategy, managing paid social and search, crafting high converting creatives and copy, and designing effective sales funnels. By focusing on top-tier creativity and strategic acumen, they propel substantial business

Pimento logo
Pimento
Independent·London·1000+ Employees

Pimento, a leading full-service UK-based agency, is celebrated for its extensive network of independent digital, marketing agencies, businesses, and consultants. Pimento's unique strength lies in its capacity to craft tailor-made teams that meticulously match the specific briefs of clients, utilising a wide talent base to fulfil diverse marketing, business, and technology requirements. Providing a

Climb Online logo
Climb Online
Independent·London·11-50 Employees

Climb Online is a forward-focused marketing agency dedicated to empowering the next generation of global brands. Following its acquisition by global digital group xDNA in 2022, the agency continues to champion ambition, innovation, proactivity, and inclusivity, equipping clients with a competitive edge in a constantly evolving marketplace. Operating from offices in London, Glasgow, Manila, and Per

Tiga Creative Marketing logo
Tiga Creative Marketing
Independent·Kent·11-50 Employees

Established a quarter-century ago, Tiga is an agency with clients in the UK, Europe and the US, specialising in a broad spectrum of creative services, including design, development, content crafting and campaign marketing, catering to a diverse range of sectors. Our accomplished team of designers, developers and marketers boast comprehensive experience across multiple digital landscapes, having wo

Flourish logo
Flourish
Independent·Bristol·11-50 Employees

Flourish is a premier CRM agency situated in Bristol, UK. Its defining characteristic is its capacity to design lasting customer journeys for globally recognised brands by utilising insightful strategies, cutting-edge technology, and creativity driven by data. Flourish provides an extensive assortment of services, encompassing customer journey mapping, CRM consulting, and performance marketing. Th

Jellyfish logo
Jellyfish
Network·London·1000+ Employees

Jellyfish is an integrated global digital marketing business founded in 2005 and headquartered at The Shard in London. Since June 2023 it has been part of The Brandtech Group, uniting media, creative and data through technology and generative AI.

Page 11 of 11
Editor's note
The UK has roughly 230 agencies that lead with email marketing or eCRM. They split into three buckets: boutique shops and lifecycle specialists charging £300-1,500 a month for smaller programmes, mid-market agencies running fuller eCRM at £1,500-4,000, and senior or enterprise teams handling complex Klaviyo, Braze, or Salesforce Marketing Cloud builds at £4,000-15,000+. Most retain monthly on scope. Platform fees (Klaviyo, Braze, ActiveCampaign, HubSpot, Salesforce Marketing Cloud) are typically passed through to the client at cost. The discipline moved decisively in 2024 when Gmail and Yahoo enforced sender authentication on bulk senders, with Microsoft tightening the same rules through 2025. SPF, DKIM, and DMARC are no longer optional. DMARC at quarantine or reject is the working standard, and BIMI sits on top of that as the visual trust layer. Anyone selling email in 2026 without a deliverability story is selling something older. Underneath that, the actual work has shifted toward lifecycle automation: welcome flows, post-purchase journeys, abandoned browse and cart, win-back, and consent-driven segmentation. Reporting now tracks inbox placement, complaint rate, and revenue contribution, not just opens. Below: the full index, filtered to whoever is doing this properly under UK GDPR and PECR.
Typical cost
£1,500-15,000
per month, retainer + platform pass-through

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.

Realistic timeline
4-12 weeks
to first ROI, 6-12 months to maturity

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.

Red flags
6 to watch
in any pitch
  • · 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
Frequently asked

What brands ask about email marketing agencies.

5 questions our editors get most often, answered honestly. No agency-marketing speak.

Curated by humans

UK email marketing retainers in 2026 split into three tiers. Boutique shops and freelance specialists run £300-1,500 a month. Mid-market agencies typically charge £1,500-4,000. Senior or enterprise teams handling Klaviyo, Braze, or Salesforce Marketing Cloud builds land at £4,000-15,000 and above. Platform fees are usually passed through at cost, separate from the retainer. One-off audits cost between £1,000 and £5,000 depending on list size, automation depth, and deliverability scope.