Here is a table listing the top 30 B2B marketing agencies, sorted by company employee size:
| Title | Description | URL | City | Company Employee Size |
|---|---|---|---|---|
| Jellyfish | Global B2B marketing agency offering full-range digital services including SEO, CRO, PPC, and programmatic ads. | jellyfish.com | San Francisco, CA | 1,001-5,000 |
| Weber Shandwick | Full-service communications firm providing PR, marketing, and digital solutions. | webershandwick.com | New York, NY | 5000+ |
| Edelman | Leading global communications firm specializing in PR, marketing, and brand management. | edelman.com | New York, NY | 6000+ |
| Merkle | Data-driven marketing solutions with a focus on precision targeting and engagement. | merkle.com | Columbia, MD | 5000+ |
| BCW (Burson Cohn & Wolfe) | Integrated communications agency focusing on corporate affairs and tech sectors. | bcw-global.com | New York, NY | 4000+ |
| FleishmanHillard | Global PR and marketing agency specializing in corporate communications and healthcare. | fleishmanhillard.com | St. Louis, MO | 3000+ |
| Ogilvy PR | Provides integrated PR, marketing, and advertising services. | ogilvy.com | New York, NY | 2000+ |
| Ketchum | Specializes in strategic communications and marketing solutions. | ketchum.com | New York, NY | 2000+ |
| Hill+Knowlton Strategies | Offers PR and communications services with a focus on corporate reputation. | hkstrategies.com | New York, NY | 2000+ |
| Golin | Provides a range of PR services including digital strategy and corporate communications. | golin.com | Chicago, IL | 1000+ |
| Ruder Finn | Integrated communications solutions with a focus on health, wellness, and technology. | ruderfinn.com | New York, NY | 1000+ |
| Earnest | Award-winning B2B marketing agency known for creative and engaging campaigns. | earnest-agency.com | London, UK | 500-999 |
| Bader Rutter | Full-service marketing agency specializing in agribusiness and comprehensive B2B marketing solutions. | baderrutter.com | Milwaukee, WI | 201-500 |
| ICR | Specializes in financial communications, investor relations, and corporate reputation management. | icrinc.com | Norwalk, CT | 200-500 |
| Berlin Rosen | Strategic communications, public affairs, and digital strategy with notable clients in various sectors. | berlinrosen.com | New York, NY | 500-999 |
| Allison+Partners | Comprehensive PR services including media relations, digital strategy, and brand marketing. | allisonpr.com | San Francisco, CA | 500-999 |
| Sunshine Sachs | Full-service PR firm known for working with high-profile clients in entertainment, tech, and corporate sectors. | sunshinesachs.com | New York, NY | 200-500 |
| 5W Public Relations | Independent PR firm offering services across consumer, tech, and healthcare industries. | 5wpr.com | New York, NY | 200-500 |
| The Lede Company | Entertainment, lifestyle, and corporate PR with a focus on media relations and event planning. | ledecompany.com | New York, NY | 200-500 |
| Viral Nation | Leveraging influencer partnerships and social media to engage and convert B2B audiences. | viralnation.com | New York, NY | 200-500 |
| MOI Global | Specializes in ABM and demand generation for tech sectors. | moi-global.com | Weybridge, UK | 51-200 |
| Power Digital Marketing | Data-driven strategies to scale businesses with a focus on growth and ROI. | powerdigitalmarketing.com | San Diego, CA | 51-200 |
| Cleverly | Known for creating content and generating sales leads on LinkedIn. | cleverly.com | Los Angeles, CA | 51-200 |
| Bay Creative | B2B marketing agency focusing on branding, content creation, and digital strategy. | baycreative.com | San Francisco, CA | 10-49 |
| Direct Online Marketing | Premier Google Partner Agency specializing in SEO, PPC, and conversion optimization. | directom.com | Pittsburgh, PA | 10-49 |
| MeDM | Full-service digital marketing agency known for branding, web design, and social media marketing. | medm.ca | Calgary, Canada | 10-49 |
| Strike Digital | Focuses on online campaigns aimed at revenue and ROI with a strong emphasis on eCommerce. | strikedigital.ie | Dublin, Ireland | 10-49 |
| New North | Specializes in strategic marketing and execution for B2B tech companies. | newnorth.com | Frederick, MD | 10-49 |
| Expandi Group | Offers ABM and demand generation, particularly within the IT sector. | expandigroup.com | London, UK | 10-49 |
| Aspire Marketing Group | High ROI strategies for manufacturing and IT sectors, certified HubSpot Gold Partner. | aspiremarketinggroup.com | Pittsburgh, PA | 10-49 |
These agencies are known for their expertise in B2B marketing, offering a range of services to help businesses grow and succeed in the digital marketplace. Sources include Influencer Marketing Hub, inBeat Agency, Clutch, Jake Jorgovan, and Single Grain.