B2B Email Marketing Services: 10 Top Agencies

In 2020, the global e-mail marketing market was valued at 7.5 billion U.S. dollars and the source projected that the figure would increase to 17.9 billion by 2027.

- Statista

Wow! It looks like email marketing is here to stay! That means your B2B business needs an effective email marketing strategy to reach existing customers and attract new people to start their customer journey with you.

Some businesses have the time and expertise to handle email marketing in-house. Others muddle along as best they can and wonder why their marketing efforts aren't working as planned. That's where you might want to hire an expert.

Where can you find expert B2B email marketing services? I'm glad you asked.

We've hand-selected ten top email marketing agencies, each with a "special something" to take your email marketing strategy to the next level. In no particular order, here's our list:

1. Ironpaper

Ironpaper email marketing agency
Ironpaper's Growth Engine to improve the buyer's journey and the marketing and sales opportunities for B2B enterprises by connecting marketing to sales 

Ironpaper's been around for a while. Based in New York, USA, the agency was founded in 2002. It believes that organizations need to focus on digital marketing efforts to attain success in marketing and sales.

In their own words:

"We help our clients go to market using the internet as an advantage. As an agency that integrates marketing, sales, content, design, web and strategy, we embrace hard problems and creative challenges in order to drive results.

"Ironpaper's process is data-driven and creative. We cut through the clutter that burdens many organizations."

Ironpaper's B2B services include:

  • Content marketing
  • Sales nurturing
  • Lead generation
  • Demand generation
  • Marketing automation
  • Lead management
  • Building effective websites that generate measurable results.

⭐⭐⭐⭐⭐ Review

"Bringing Ironpaper on as a partner has been a great decision for our business. Not only have they developed a strong lead generation program, bringing in qualified leads from across industries, but they've allowed us to use the HubSpot platform to its fullest. We've built automated programs to manage and assign our leads, as well as uncover insights into new opportunities. Ironpaper has become an extension of our team, sharing new ideas and helping us develop programs we couldn't do on our own."

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2. Elevation Marketing

Elevation Marketing email marketing services

Based in Arizona, USA, Elevation Marketing began back in 1999 and has been part of every significant internet shift and megatrend ever since.

In their own words:

"We're disruptive storytellers and strategists: Whether we’re implementing a rebrand, executing an account-based marketing campaign or optimizing a martech stack, our mission stays the same – to empower our clients’ brands and teams to achieve their business goals and reach their full potential."

Elevation's B2B services include:

  • Full-service email campaign management
  • Strategic planning and assessment
  • Building B2B email marketing databases
  • B2B email marketing services
  • Email campaigns (eCommerce, Reengagement, Drip campaigns etc.)

⭐⭐⭐⭐⭐ Review:

"We met the Elevation team at a trade show and were impressed with their experience in the agriculture industry. They demonstrated the right background to enhance our internal marketing resources and help us quickly establish a foothold in the U.S. agriculture market."

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3. InboxArmy

InboxArmy email marketing services

Inbox Army is based in Texas, USA. Founded in 2016 by Chris Donald, the agency grew out of an experiment to create efficient and cost-effective ways to handle email marketing production.

In their own words:

"B2B email marketing is harder than you think! From devising your brand positioning and defining program objectives to refining buyer personas, designing the perfect strategy, and creating targeted copy – every aspect of your program must be perfect to be effective. With our support and expertise, you can transform your email marketing program into a powerful channel for lead generation, customer engagement, sales, and profit-generation. Because after all, we speak fluent B2B email marketing!"

Inbox Army's B2B services include:

  • Email marketing software experts (e.g., Klavioyo, Mailchimp, Sendin Blue etc)
  • Email marketing strategy and audit
  • Email campaigns and marketing automation
  • Email templates and deliverability
  • Campaign managers and marketing experts.

⭐⭐⭐⭐⭐ Review:

"Our company needed to revamp our entire email system for our main brand of bicycles, Sixthreezero. We hired InboxArmy to build out new automated flows, post purchase email flows, marketing campaigns, and anything else we could come up with to stimulate our sales...Immediate increase in revenues, our return customer conversion rate increased by roughly 50%, and our open to click rates all increased. The ROI was about 26 to 1. Zero complaints, our resources were not wasted hiring InboxArmy."

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4. Sagefrog

Sagefrog B2B email marketing services

Sagefrog was also founded in 2002. It's a hybrid workplace headquartered in Pennsylvania, USA, with offices in Princeton and Boston.

In their own words:

"What makes us different?

"Deeper Industry Knowledge: We're focused on B2B, with expertise of what works, what doesn't and what's next for B2B healthcare, technology, industrial and business service marketing.

"Smarter Strategy and Tactics: Sagefrog Integrated Marketing Program has accelerated success for hundreds of B2B clients.

"Faster Turnarounds and Results: We’re quick to adapt, fast to respond, and easy to work with for an effective, high-touch experience."

Sagefrog's B2B services include:

  • Branding and strategy
  • Digital and websites
  • Content
  • Inbound and traditional marketing

⭐⭐⭐⭐⭐ Review:

Terrific Company with Great Leadership

"Sagefrog is a true leader among B2B advertising agencies. Mark and his team know what it takes to get results."

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5. Growth Rhino

Growth Rhino email marketing services

Founded in 2017, Growth Rhino is a small growth marketing agency from Toronto (Canada) that helps B2B SaaS companies drive revenue across their whole funnel.

In their own words:

"Cold email is a powerful tactic to propose a business partnership. Unfortunately many do not know how to use it properly. We are used to being mass emailed from overseas companies that hold no relevancy.

"We do not do that. We research your industry, understand your value proposition and communicate that to your ideal prospect [and] a specific methodology to ensure your emails land in the inbox."

Growth Rhino's B2B services include:

  • End-to-end outbound agency for SaaS companies
  • Lead generation, nurturing and qualification
  • Cold email outreach
  • Email marketing, appointment setting, demand generation
  • Outsourced sales

⭐⭐⭐⭐⭐ Review:

Growth Rhino is a trusted partner when launching outbound campaigns. We consistently get cold email open rates ranging from 40% to 80% & Click Through Rates from 15% to 35%. The main thing is we are getting 10 to 25 conversations with prospects that we would have never been able to in the past!

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6. Symmetri Marketing

Symmetri Marketing B2B email marketing services

Founded in 2003, Symmetri Marketing is a full-service B2B agency based in Chicago, Illinois. They believe in connecting clients with users at all customer journey stages using targeted, personalized messaging.

In their own words:

“We opened the doors because B2B is our passion. But we see it more as business-to-people. All business decisions start and end with humans. Let’s wow them, engage them, interact with them. I promise you’ll see results.” Carl Triemstra, President.

Symmetri's B2B services include:

  • Brand development
  • Content creation
  • Digital marketing
  • Website and mobile development.

⭐⭐⭐⭐⭐ Review:

Wonderful people, great B2B marketing results, now with new and improved Drupal expertise... All in the heart of Chicago, what's not to love?

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7. The Brains Marketing

The Brains Marketing email marketing services

The Brains Marketing is based in London, England. Founded in 2015 by Jonathan Lemer & Larry Kotch. Brains believes in building campaigns with their clients, then teaching them how to ensure continuous success after the contract finishes.

In their own words:

"The Brains is an award-winning digital marketing agency in London. We offer a full range of digital marketing services designed to help you grow faster online and boost ROI."

Like most agency websites, The Brains has a blog and case studies, but it also features a marketing academy:

"Master all things digital marketing with Brainy Marketing Academy from The Brains. Our free digital marketing training guides are jam-packed with insights, advice and expert tips to help you discover how to maximize ROI from your digital marketing campaigns."

The Brain's B2B services include:

  • SEO (Search engine optimization)
  • PPC (Pay per click)
  • Social media and email marketing
  • Consultancy
  • Lead generation and content marketing
  • Website design and development
  • Marketing automation

⭐⭐⭐⭐⭐ Review:

I have been thoroughly impressed by The Brains, I have had a website designed by them and then went on to have them handle my online marketing campaign. I was very impressed by their methods, communication and the results. I have already recommended to a friend for their online marketing campaign. The team are great and always coming up with great suggestions. Real experts in their fields.

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8. Fame

Fame B2B email marketing services

Based in London, England. Fame was founded in 2019 and is proudly 100% remote. Its employees work in 16 different countries, speak 13 languages between them.

In their own words:

"We start and grow the world's most profitable podcasts for growth focused B2B businesses. We define strategy, find and book guests, train your host, produce the audio, promote the show, and much more!

"Why We're Different: We build our own, custom software. We've sculpted our B2B email newsletter process over multiple years and we only do B2B social, podcasts and email newsletters. We're marketers that write. We make you more money. We focus on getting you results."

Fame's B2B services include:

  • Demand Generation
  • Podcasts
  • Newsletters
  • Social media ghostwriting

⭐⭐⭐⭐⭐ Review:

Fame has been absolutely instrumental in us growing the podcast where it is today. They were our partner in getting our podcast into the top 10 US medical podcasts in under six months. Their expertise and knowledge has been so valuable to us...understanding the space and exploit the opportunities...to be a massive channel for us from a growth standpoint. I can't say enough about their team: incredibly detail-oriented, super nice, really smart and fun to work with.

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9. FVM

FVM B2B email marketing services

Based in Pennsylvania, USA and founded way back in 1987 (when the internet was only 4 years old), FVM is a full service agency offering B2B email marketing services to mid-sized B2B organizations.

In their own words:

"Some marketing and branding agencies take on B2B work as a necessity. At FVM, it’s our mission.

"Founded on the right balance of thoughtful analysis and creative muscle, we immerse ourselves in our clients’ worlds to uncover new strategic angles, weave more compelling narratives, and deliver designs that grab interest — and don’t let go."

FVM's B2B services. include:

  • Branding, Websites
  • Advertising and Campaigns
  • Content and sales enablement

⭐⭐⭐⭐⭐ Review:

FVM has won multiple awards including 10 W3s and 11 Daveys, including the 2023 gold award for Best General Non Profit Website and Silver for Best Integrated Campaign & Marketing Effectiveness.

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10. Cognition Agency

Cognition email marketing services

Cognition was founded in 1998. You'll find them in London, Manchester, Birmingham and Palma, working with a wide network of creatives, brand strategists, psychologists, data scientists and neuroscientists.

In their own words:

"We combine aspects of psychology, design, and content marketing to create visually appealing and conversion-focused email content that will generate leads, create engaged customers and ultimately, get them to buy from you.

"As an agency with a strong background in strategic and conceptual thinking, we ensure your email marketing is a part of your long-term strategy and brand-building goals. This way we avoid the dreaded junk folder and provide your customers with emails they actually want to open and engage with."

Cognition's B2B services include:

  • Data & insight
  • Story & creativity
  • Engagement & strategy
  • HubSpot enterprise specialists

⭐⭐⭐⭐⭐ Review:

Cognition built a coherent marketing strategy that aligned with our goals and a clear path to execution. We could have taken it to anyone to execute but given the quality of the work we had seen it was an easy decision to use them to deliver it.

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Final words

Email marketing is powerful and with 4.37 billion users worldwide in 2023 it's not going away anytime soon. Sure there are things like SMS messages, social media marketing and people falling over themselves to jump on the Tiktok bandwagon.

But none of those takes the place of a well-constructed email marketing campaign winging its way to your target audience. Nor do they take the place of email newsletters. That's why we at Reletter are dedicated to helping you make the most of them.

You can generate even more leads by getting featured in other newsletters, and that's where Reletter excels.

Start your own email marketing campaign by searching our database to discover newsletters on Substack, LinkedIn and Ghost that speak to your target audience. Research each newsletter to find those that fit with your values and vision, then use our helpful pitch templates to reach out.

Discover your next email newsletter contacts with Reletter

Lyn McNamee

Lyn McNamee

Writer at Reletter

Find, contact and get featured in email newsletters

Reletter gives you subscriber numbers, contacts, chart rankings and more across 1.2m+ newsletters.

Lyn McNamee

Lyn McNamee

Writer at Reletter

Find, contact and get
featured in email newsletters

Reletter gives you subscriber numbers, contacts, chart rankings and more across 1.2m+ newsletters.