June 8, 2021

6 Best B2B Marketing Agencies in Boston

by Melissa Caffrey

[This post was updated in December 2023]

Though Renegade Marketing is no longer an agency, we still appreciate what a great agency can do and are delighted to present 6 terrific Boston-based firms.As one of the savviest B2B marketing agencies out there (no, we’re not shy), Renegade Marketing loves to celebrate active B2B marketing firms who deliver high-quality, purpose-packed strategy and campaigns that cut through.

Recognizing that agile B2B digital marketing firms aren’t location-dependent these days, we still find it worthwhile to look at some great agencies in and around some great cities. We’ve already covered NYC and San Francisco, and now it’s time to go north of NYC and visit five stellar B2B marketing firms up in Bah-ston, Massachusetts.

These six firms were sourced from the B2B CMOs of our CMO Huddles community Slack—a place where our 350+ Huddlers can swap recommendations, resources, and vendors—so you know these marketing agencies know B2B marketing.

[Want to learn more about CMO Huddles? Check them out at CMOHuddles.com or schedule a call with Drew.

#1 MarketOne International

MarketOne is a global demand generation agency dedicated to helping brands with long buying cycles and complex products unite their marketing and sales efforts, bring in quality leads, and retain customers. Some of their most notable clients include Oracle, athenahealth, and Adobe.

Founded in 1997 Boston—Waltham, MA to be precise—MarketOne plays a critical role in mid-funnel marketing efforts through a comprehensive offering of services including but not limited to ABM, event marketing, teleservices and live chat, and MarTech.

#2 Norbella

For a Boston-based agency that excels in media strategy, planning, and buying management, check out Norbella. The mid-sized media agency prides itself on asking great questions (their founder is also their Chief Philosophy Officer—love that!) and delivering effective media campaigns ranging from TV to Outdoor, Mobile to Search, Video to AR.

Of their many impressive case studies, we loved reading the strategy story behind Breach, a 5-part, 16-week branded podcast series for Carbonite. The podcast hit 265K downloads, an 87% consumption rate per episode, and was the #2 Apple podcast for technology.


ITSMA is a research and advisory firm specializing in B2B marketing strategy and development. They’ve been around for over 26 years, working with companies like Accenture, IBM, and Hewlett-Packard to develop a winning ABM methodology. You can hear the full story via the B2B Marketing Exchange podcast.

As ABM has evolved, so have ITSMA’s thought leadership initiatives, spurring a rich understanding of the field that the B2B firm then applies to its consulting services for clients like Fujitsu and Cognizant.

#4 March Communications

Next up, March Communications, a B2B tech PR and communications agency dedicated to delivering high-impact results for its clients. Headquartered in Boston with an office in Atlanta, March’s team works across the spectrum of brands in the B2B tech world, from security and cloud companies to AI and health tech brands.

March is all about differentiation, with a robust offering of services like brand storytelling, social strategy, influencer programs, and more. The marketing firm helped Affectiva develop a winning PR strategy to bring the brand’s new category, Emotion AI, to the world. It resulted in a 1123% increase in online mentions, 130 pieces of coverage, and 48 media interviews.

One of those interviews just happens to take place on Renegade Thinkers Unite! Check out Episode 106 with CMO Gabi Zijderveld: Creating the Category — Affectiva and Emotional AI.

#5 Genuine

Meet Genuine, a full-service B2B marketing agency specializing in creative digital experiences that started in Boston in 2005 and has since expanded its offices to NYC and Chicago. Whether they’re building websites, leading strategy workshops, or developing CRM strategy for clients, Genuine is detailed, determined, and highly skilled at moving from idea to delivery.

Such is the case for Eisai’s website redesign. The innovative website was designed to match the pharmaceutical brand’s innovative healthcare initiatives. Post-launch, the brand saw a 24% increase in site traffic, a 40% increase in pages/session, and a 30% increase in average session duration.

#6 Sagefrog Marketing Group

Sagefrog Marketing Group is a top-ranked B2B marketing agency with specialties in healthcare, technology, industrial, and business services. They accelerate client success through branding and integrated marketing by delivering deeper industry knowledge, smarter strategy and tactics, and faster turnarounds and results.

Founded in 2002, Sagefrog provides clients with superior results and ROI through branding and strategy, websites and digital, content and inbound, and traditional marketing services. Of their many impressive case studies, we loved reading about the strategy behind Nixon Medical, a family-owned medical apparel service that experienced a 10x return on investment (ROI). Learn more at www.sagefrog.com.”