Email Marketing agencies for B2B.
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 for B2B.
- 35 UK agencies offering email marketing for B2B
- Part of the Email Marketing service set
- Indexed for B2B
- Reviewed 17 May 2026

At Mass Reach, we help ambitious eCommerce and B2B companies turn ad spend into predictable growth. We've partnered with leading global brands to accelerate revenue through Google Ads, Meta Ads and LinkedIn Ads, supported by conversion rate optimisation to maximise ROI. Our work goes beyond campaign management, we build full-funnel growth systems that deliver measurable results, from lower custome

Supplyant, a Northampton-based eCommerce marketing agency in the UK, stands out for its dedication to resolving intricate eCommerce challenges for businesses, thereby facilitating swift expansion through bespoke marketing strategies and proficient website development. Their two-decade-long collaboration with Google, coupled with an emphasis on customer experience, guarantees that each client benefits from a customised approach, triggering significant business evolution.

Coda is a global marketing communications agency and consultancy serving the industrial B2B sector. With unrivalled heritage and sector experience, they offer a sought-after combination of deep scientific and technical sector knowledge, digital expertise and sharp creativity. They deliver the branding and pipeline growth that powers some of the worlds best industrial brands.

Superrb is a creative digital studio designing flagship websites and Shopify Plus ecommerce experiences for ambitious brands. We combine brand thinking, UX strategy and technical expertise in one senior in-house team, creating digital experiences that engage customers and support long-term growth. Part creative studio, part digital consultancy, we're built for brands that take design seriously.

Launch, a dynamic marketing agency, operates from strategic locations in Glasgow, London, and Ayrshire. What distinguishes Launch is its distinctive blend of imaginative creativity and digital expertise, generating progressive communication strategies whilst proudly maintaining its status as a family-owned enterprise offering a bespoke touch. Providing an extensive array of services, Launch specia

Established in 2008, Mayfly is a leading digital marketing agency situated in the heart of Liverpool. As a distinguished Google Partner Agency, Mayfly specialises in delivering extensive digital marketing solutions, ranging from tailor-made SEO services, proficient social media management, targeted PPC campaigns, to innovative web design. Our team at Mayfly takes immense pride in ensuring high-quality leads that bring real value to our clients' businesses.

Zinc Digital of Northampton, UK, is a leading full-range digital agency renowned for its distinctive, collaborative method. Their strategic partnership with clients cultivates bespoke designs and plans that amplify each business's unique selling points (USPs), ensuring standout design and potent marketing. Their dedication to providing premium digital solutions is apparent in their extensive servi

BeeBrilliant! is a digital marketing agency dedicated to helping small businesses across the UK strengthen their online presence and grow with confidence. We bring big-business marketing thinking to ambitious SMEs-focused on generating more leads, driving sales, and delivering real, measurable results. With over two decades of combined industry experience, we offer a full suite of digital marketin

Situated in the bustling centre of Manchester, I-COM is a leading full-service digital marketing agency. Renowned as one of the biggest independent, employee-owned agencies in the area, I-COM sets itself apart by delivering customised and wide-ranging digital marketing strategies in various industries such as B2C and B2B e-commerce, legal, recruitment, among others. Our unique approach amalgamates

SAGE Marketing provides global B2B marketing and brand management services to global startup companies. We are your CMO as a Service. From converting customer needs into business opportunities to engaging people on-line, off-line, and face-to-face, SAGE tailors the right marketing mix to your stage, budget, and needs. We will scale your brand and business to the next level. SAGE is home to experienced team of marketers, strategists, creatives, and tech enthusiasts who are leading startups to business success! Additionally, we are a HubSpot Diamond Partner, we help many startup and established companies to maximize their marketing & sales impact with HubSpot CRM.

Fenti is a multi-award-winning digital marketing agency based in Sheffield. We offer SEO, PPC, paid social, content, branding, web design and development as a single retainer team, working across sectors including manufacturing and industrial, retail, hospitality and property. Recognised as Creative Business of the Year at the unLTD Business Awards, and a Google Partner-certified agency.

We’re a professional marketing agency built for ambitious businesses across the UK, based in the creative heart of Liverpool’s Baltic Triangle. Whether you’re an e-commerce brand, a SaaS company, or a B2B business looking to dominate search, our team of SEO, PPC, web, design and social media experts turn organic traffic into real, measurable growth.

The digital results agency with a complete focus on making your online activity work harder than ever before. If the name rings a bell, that's because we're the sibling of creative agency J2. We were born in a world of big ideas but have evolved an unshakeable focus on digital results. From growing brands to driving sales, every campaign is geared to improve the bottom line. We optimise PPC, Paid

Afloat Digital is an independent UK marketing agency built on 14 years of hands-on paid media experience. We've supported a wide range of businesses across different industries, from larger established companies to family-run retailers and start-ups. Rated 5.0 on Google. We build a custom plan around every business we work with, so you can treat us as your external marketing department while you focus on running the business.

The UK's Most Effective Marketing Agency and Europe's Best Independent Agency. Arke Agency is a full-service marketing agency in Brighton, UK.

Talk to an SEO agency, and they'll fix your SEO. A brand agency will fix your branding. But what if you don't know the problem? What if the fires you're putting out are a result of a much larger, important issue that you're not aware of? That's where we come in. We're the fresh pair of eyes who won't stop asking "why?" until we find the root cause.

Cross Origin is a branding and web design agency in Haywards Heath, West Sussex. We help ambitious businesses and charities whose organisation has moved on but whose brand hasn't kept pace. Our work covers brand strategy, visual identity, bespoke website design and development, and digital marketing, and the same team takes each project from the first brand conversation to the finished website. That means nothing gets lost between the thinking and the build.

DigitalCave is an independent digital marketing studio in Birmingham's Jewellery Quarter, helping local businesses and UK brands get found online and win more enquiries since 2013. We look after SEO and local SEO, Google Ads, Meta ads, WordPress and Shopify websites, branding, content writing and email marketing, with fixed-price quotes and no lock-in contracts.

DigitSea is a full-service digital marketing agency based in Glasgow, UK, offering SEO, Google Ads, social media marketing, web development, and more. It helps businesses of all sizes increase online visibility, improve search rankings, and achieve measurable, long-term growth.

For over 7 years, Digiwoods has provided expert digital marketing for B2B business across the UK, helping 7-figure businesses grow with impactful marketing and creative solutions.

FlyPost Marketing helps small and growing businesses turn digital marketing into measurable growth. We provide SEO and AI search optimisation, PPC, local SEO, social media marketing, and practical WordPress and Shopify support. Our approach is straightforward: focus on the work that can generate enquiries, sales and long-term visibility, explain what we are doing clearly, and avoid wasting budget on impressive-looking metrics that do not produce real business results.

Humaine is an AI-augmented marketing and strategy firm for B2B and retail brands. We combine human judgement with AI across strategy, brand, content, production, search and technology to build smarter growth systems and deliver measurable commercial outcomes.

Launch Studio is a commercially led creative agency using design to make a difference. We work directly with founders, sales and marketing leads to understand your priorities, applying strategic thinking and creative execution so every investment in brand supports clear commercial goals. Our work spans identity systems, websites and campaigns, through to sales enablement, branded materials, print,

We are a Hampshire-based digital marketing agency with over 25 years of experience building websites and online strategies that drive genuine business growth.
AgencyIndex tracks 35 email marketing agencies for B2B. 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 B2B as a sector, see the B2B industry brief. The pricing, timeline and red-flag notes below apply to email marketing as a discipline; they do not change materially for B2B.
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 sectors.
Other services for B2B.
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 across every industry.