Table of contents
How we vet every listicle
Every agency featured on Web Tonic passes our 84-point editorial review before a single listicle goes live. This is how we vet each pick:
Verified client outcomes: We require real case studies with measurable KPIs — revenue, ROAS, CPA, retention — tied to the exact category being ranked. No cherry-picked wins, no unverifiable numbers.
Independent reputation: We cross-check Clutch, Google, G2, and Trustpilot ratings, and screen for review-bombing or suspicious patterns. Only operators with a consistent, verifiable track record make the cut.
Beyond that, every listing goes through a quarterly re-audit. We check 84 criteria across 6 pillars to make sure it still holds up — here are some of the checks we run:
A content marketing agency plans, produces and distributes the articles, guides, videos and sales material a brand publishes under its own name: it researches what buyers search and ask, builds an editorial calendar, writes and edits to a house standard, publishes with the search and structure work attached, then measures which pieces produce enquiries.

Every firm below was read on its own site rather than on a directory listing. Twenty external firms publish both content marketing work and B2B SaaS work in their own words, and fourteen of them publish a headquarters address across two countries.
What does a content marketing agency do for B2B software companies?
Audience and search research, an editorial calendar, writing and editing, publishing with on-page search work, distribution, then measurement of which pieces produce enquiries. Twenty of the external firms here publish B2B SaaS content work on their own sites.
1. Single Grain
About: Single Grain is a full-service digital marketing agency that specializes in scaling online revenues and building high-ROI content strategies. Their content services combine detailed audience research, competitor analysis, and SEO expertise to develop comprehensive editorial frameworks and content roadmaps designed to convert visitors into long-term customers.
Key Services: Content Marketing, Content Strategy, SEO-driven Content, Brand Storytelling, Multichannel Content Distribution
Industries Served: SaaS, Ecommerce, Education, Crypto & Blockchain
Notable Clients: Amazon Alexa, Nextiva, Lever.co
Locations: Los Angeles, CA
Pricing: Quote-based
Great For: SaaS brands, Ecommerce brands, Education brands
Website: Single Grain
2. Web Tonic
About: Web Tonic plans the editorial programme, writes it with the search and AI-visibility work attached, and reports on the enquiries it produces rather than on pageviews. Subject-matter interviews with the client's own people sit inside the process, so the writing carries detail a competitor cannot copy.
Key Services: Growth Marketing, Paid Social, PPC, Meta Ads, SEO, Google Ads, Snapchat Ads, Amazon Ads, Reddit Ads, TikTok Ads, TikTok Shop, GEO-AEO, Webflow Design, Shopify Design, WordPress Design, UGC, Social Media Management, Pay Per Click Management, Marketing Analytics, Analytics Implementation & CDPs, Performance Branding, Performance 360° Audit, Programmatic Ads, OOH Ads, HR Marketing
Industries Served: eCommerce, SaaS, B2B, Construction Professionals, Home Services, SMEs, Health Spa & Wellness, Retail, Legal & Judicial Services, Food & Beverages, Pets, Fitness, Family & Children, Finance & Insurance, Travel, Non-Profits & Organizations, Furniture & Decoration
Notable Clients: WorldRemit, Jack & Jones, Ardene, L’Oréal, Sendwave, Nestlé, Airbnb. Serve Fortune 500 companies and smaller fast-paced startups.
Locations: HQ in San Francisco with notable offices in New York, Chicago, Miami, Toronto, Montreal, Dubai, Singapore, Sydney and more. Offices on five continents.
Pricing: Starting at USD $3,000 per month. Flexible and scalable plans at any time according to your enterprise needs. Book a call to learn more.
Great For: Mid-market to enterprise-level businesses requiring ongoing, on-tap growth and performance marketing services.
Website: Web Tonic
3. Brafton
About: Brafton is a global content marketing agency that provides strategy, content creation, and technology solutions to help organizations scale their digital marketing. Their in-house team of writers, SEO specialists, designers, and strategists deliver comprehensive inbound campaigns, SEO content, and editorial collateral.
Key Services: Content Marketing, Content Strategy, Editorial Production, SEO Content, Graphic Design, Web Design, Video Production & Animation, Email Copy, Sales Enablement Content
Industries Served: Not publicly stated
Notable Clients: eSpatial, Amphenol Alden
Locations: Boston
Pricing: Quote-based
Great For: Local and regional brands
Website: Brafton
4. Kalungi
About: Kalungi is a full-service B2B SaaS marketing agency that builds and runs proprietary content engines designed to support active deals and drive organic growth. They combine strategy and execution, covering everything from SEO and technical audits to blog and case study writing tailored for tech companies.
Key Services: Content marketing, Content strategy, Editorial production, SEO and Content, Fractional CMO-as-a-service, Go-to-market strategy, Branding & design, Paid media, Web development
Industries Served: B2B SaaS
Notable Clients: Patch, Fraxion, One Click Contractor, DataGuard, CPGvision, Avid
Locations: Seattle
Pricing: Quote-based
Great For: B2B SaaS brands
Website: Kalungi
5. SimpleTiger
About: SimpleTiger is a digital marketing agency operating exclusively with B2B SaaS and software companies since 2006. They provide SEO, content marketing, digital PR, and web design services tailored to scale organic visibility and pipeline growth.
Key Services: Content Marketing, Content Strategy, Editorial Production, SEO, AI Search Optimization (AEO), Link Building, Digital PR, PPC Management, Webflow Web Design
Industries Served: B2B SaaS, Software-as-a-Service, AI Products, Financial Software
Notable Clients: Segment, Invoca, Gelato, Bitly, Jotform, ContractWorks, Gainsight, Bidsketch, Firecrawl
Locations: Sarasota, Florida
Pricing: Quote-based
Great For: B2B SaaS brands, Software-as-a-Service brands, AI Products brands
Website: SimpleTiger
6. Sōvyn
About: Headquartered in Stamford, Connecticut, Sōvyn is an award-winning public relations and marketing agency specializing exclusively in the healthcare AI, life sciences, medical devices, and health technology domains. The firm provides integrated communications, digital programs, web development, and content creation services tailored to healthcare innovators.
Key Services: Public relations, Marketing + lead generation, Strategy + consultation, Content creation + writing, Branding + positioning, Professional video, Web design + development, Conferences + events, Scientific platforms, Fractional CMO, Market research, Custom workshops
Industries Served: Healthcare AI, Life sciences, Medical devices, Dental and health technology
Notable Clients: No client publicly named on the firm's own site
Locations: Stamford, Connecticut
Pricing: Quote-based
Great For: Healthcare AI brands, Life sciences brands, Medical devices brands
Website: Sōvyn
7. Omniscient Digital
About: Omniscient Digital is an organic growth and content-led agency that partners with B2B software and SaaS companies to turn editorial and SEO into revenue channels. They combine research-driven content strategy, search optimization, and product-led storytelling to connect brands with buyers.
Key Services: Content Marketing, Content Strategy, SEO, Generative Engine Optimization (GEO), Editorial Production
Industries Served: B2B SaaS, Software, B2B Technology
Notable Clients: Jasper, Order.co, Smartling, AppSumo
Locations: Austin
Pricing: Quote-based
Great For: B2B SaaS brands, Software brands, B2B Technology brands
Website: Omniscient Digital
8. SmartBug Media
About: SmartBug Media is a full-service digital and inbound marketing agency specializing in revenue growth, marketing solutions, and CRM enablement. They provide comprehensive content creation, SEO, and demand generation programs designed to scale pipelines for mid-market and enterprise clients.
Key Services: Content Marketing, Content Creation, SEO, Inbound Marketing, Public Relations, Paid Media, Web Design, Sales Enablement
Industries Served: B2B SaaS, E-commerce, Technology
Notable Clients: No client publicly named on the firm's own site
Locations: Newport Beach, CA
Pricing: Quote-based
Great For: B2B SaaS brands, E-commerce brands, Technology brands
Website: SmartBug Media
9. Bay Leaf Digital
About: Bay Leaf Digital is a B2B SaaS marketing agency specializing in full-funnel growth, content production, and go-to-market strategies for tech companies. They deploy AI-forward workflows alongside human oversight to support content, SEO, and paid media initiatives across North America.
Key Services: Content Marketing, Content Strategy, SEO & Generative Engine Optimization (GEO), Paid Media, HubSpot Management, Marketing Automation
Industries Served: B2B SaaS
Notable Clients: No client publicly named on the firm's own site
Locations: Grapevine, Texas
Pricing: Quote-based
Great For: B2B SaaS brands
Website: Bay Leaf Digital
10. MV3 Marketing
About: MV3 Marketing is a B2B growth and AI marketing agency headquartered in Raleigh, North Carolina. They build content pipelines, define brand voices, and execute editorial production and AI-assisted drafting backed by real editorial review for B2B tech and SaaS companies.
Key Services: Content marketing, Content strategy, Editorial production, AI SEO, Demand generation and ABM, Analytics and attribution, Web design and development
Industries Served: SaaS, Fintech, Cybersecurity, Manufacturing, E-commerce
Notable Clients: No client publicly named on the firm's own site
Locations: Raleigh, NC
Pricing: Quote-based
Great For: SaaS brands, Fintech brands, Cybersecurity brands
Website: MV3 Marketing
11. Animalz
About: Animalz is a content marketing agency that started in New York and evolved into a remote-based global team specializing in content strategy, creation, and editorial production. They partner with high-growth software businesses and tech companies to deliver smart, differentiated content programs designed to drive organic growth.
Key Services: Content Strategy, Content Production, SEO & AEO Strategy, Blog Articles, Survey-Driven Whitepapers, LinkedIn Thought Leadership, AirOps Implementation
Industries Served: B2B SaaS, Software, Tech Companies, Venture Capital
Notable Clients: No client publicly named on the firm's own site
Locations: New York
Pricing: Quote-based
Great For: B2B SaaS brands, Software brands, Tech Companies brands
Website: Animalz
12. Brand Vision
About: Brand Vision is a digital agency providing branding, website design, SEO, and content strategy services. Their team builds strategic digital ecosystems combining brand identity development with performance-driven marketing.
Key Services: Branding, Web Design & Development, SEO, Digital Marketing, Content Strategy
Industries Served: Technology, Healthcare, Real Estate, Retail, Financial Services, Nonprofit
Notable Clients: No client publicly named on the firm's own site
Locations: Toronto
Pricing: Quote-based
Great For: Technology brands, Healthcare brands, Real Estate brands
Website: Brand Vision
13. Jordan Digital Marketing
About: Jordan Digital Marketing is a digital marketing agency headquartered in San Francisco that provides organic search, keyword and content strategy, and multi-channel acquisition services. Their programs focus on building topical authority, ranking-optimized content, and visibility across traditional and emerging AI search channels for growth-stage businesses.
Key Services: SEO & Content, Keyword and content strategy, Content designed to rank and convert, Outreach and distribution, AI & LLM Search Optimization, Paid Search, Paid Social
Industries Served: B2B SaaS, Fintech, Health Tech, Developer Tools, Security Tech
Notable Clients: Pilot, Glean
Locations: San Francisco, CA
Pricing: Quote-based
Great For: B2B SaaS brands, Fintech brands, Health Tech brands
Website: Jordan Digital Marketing
14. Column Five Media
About: Column Five is a B2B content marketing agency that helps SaaS and AI brands find their unique point of view and scale it into content that performs for human audiences and AI platforms. They work across brand strategy, content strategy, content creation, and marketing AI solutions using a monthly retainer model.
Key Services: Brand strategy, Content strategy, Content creation, Marketing AI solutions
Industries Served: B2B SaaS, AI brands
Notable Clients: Instacart, Dropbox, Uber, Netflix, Microsoft, Intuit
Locations: Costa Mesa
Pricing: Quote-based
Great For: B2B SaaS brands, AI brands brands
Website: Column Five Media
15. TopRank Marketing
About: TopRank Marketing is a B2B marketing agency that helps companies ranging from SaaS start-ups to enterprise market leaders grow communities, increase sales, and enhance brand visibility online. They specialize in planning and executing integrated digital programs combining content marketing, search engine optimization, and influencer collaboration.
Key Services: Content Marketing, Content Strategy, Influencer Marketing, Search Engine Optimization (SEO), Social Media Marketing
Industries Served: B2B Technology, B2B SaaS, Enterprise Organizations
Notable Clients: LinkedIn, SAP, Dell
Locations: Minneapolis
Pricing: Quote-based
Great For: B2B Technology brands, B2B SaaS brands, Enterprise Organizations brands
Website: TopRank Marketing
16. NoGood
About: NoGood is a growth and performance marketing agency headquartered in New York City with hubs in Miami and Dubai. They specialize in delivering full-funnel content marketing, editorial content for SEO, and data-driven content strategies for tech companies, startups, and enterprise brands.
Key Services: Content Marketing, Content Strategy, Editorial Production, SEO & AEO, Performance Creative, Organic Social, Growth Marketing
Industries Served: SaaS, B2B, Healthcare, Fintech, Consumer/eCommerce, AI
Notable Clients: Nike, Oura, TikTok, Intuit, MongoDB, AWS
Locations: New York, NY
Pricing: Quote-based
Great For: SaaS brands, B2B brands, Healthcare brands
Website: NoGood
17. Digital Authority Partners
About: Digital Authority Partners is an integrated digital marketing agency headquartered in Chicago, IL. They work with B2B and B2C companies to build, measure, and market innovative products through SEO, content marketing, and digital strategy.
Key Services: Content Marketing, Search Engine Optimization, Web Design, PPC Management, Digital Marketing, Fractional CMO, Analytics
Industries Served: Healthcare, Education, B2B and B2C Companies, Software as a Solution
Notable Clients: DecisionLink, Fresh Thyme, Bella+Canvas
Locations: Chicago, IL
Pricing: Quote-based
Great For: Healthcare brands, Education brands, B2B and B2C Companies brands
Website: Digital Authority Partners
18. Insivia
About: Insivia is a growth consultancy and digital agency headquartered in Cleveland, Ohio, specializing in helping B2B SaaS and technology companies align their strategy, messaging, and search optimization. They focus on buyer-centric marketing, website experiences, and demand generation systems tailored for modern technical markets.
Key Services: Growth Consulting, Marketing Strategy, Web Design, SEO, Messaging & Positioning
Industries Served: B2B SaaS, Technology
Notable Clients: No client publicly named on the firm's own site
Locations: Cleveland
Pricing: Quote-based
Great For: B2B SaaS brands, Technology brands
Website: Insivia
19. Datalily
About: Datalily (formerly CXD Studio) is a content marketing and market research studio based outside of Boston, MA, specializing in data-backed content strategies and editorial campaigns for B2B SaaS brands. They conduct original industry research, audience surveys, and data storytelling to support scaling tech companies with long-form assets and trend reports.
Key Services: Content marketing, Content strategy, Editorial production, Market research, Long-form content, Industry trends reports, Blog and social content, Sales enablement content
Industries Served: B2B SaaS
Notable Clients: HubSpot, DoorDash, Miro, Vimeo, Toast, Lightcast, Klaviyo, Wistia
Locations: Boston, MA
Pricing: Quote-based
Great For: B2B SaaS brands
Website: Datalily
20. Understory
About: Understory helps B2B SaaS companies build integrated marketing programs where content works alongside paid media and outbound to generate qualified pipeline. They provide LinkedIn content strategy, ghostwriting, and production services designed to build authority and drive business actions.
Key Services: Paid Media, GTM Engineering, LinkedIn Content, Creative & Landing Pages, RevOps
Industries Served: B2B SaaS
Notable Clients: No client publicly named on the firm's own site
Locations: Not publicly stated
Pricing: Quote-based
Great For: B2B SaaS brands
Website: Understory
21. New Breed
About: New Breed is a full-service growth agency and HubSpot Elite Partner headquartered in Burlington, Vermont. They specialize in aligning marketing, sales, and customer success for B2B companies through revenue operations, demand generation, and content strategy services.
Key Services: Content, SEO & AEO, Demand Generation, Revenue Operations, HubSpot Implementation & Migration, Website Development
Industries Served: Software & Technology, SaaS, B2B
Notable Clients: No client publicly named on the firm's own site
Locations: Burlington
Pricing: Quote-based
Great For: Software & Technology brands, SaaS brands, B2B brands
Website: New Breed

Quick Comparison Table
| Agency | Key Specialty | Starting Price | Best For |
|---|---|---|---|
| 1. Single Grain | Content Marketing | Quote-based | SaaS brands |
| 2. Web Tonic | Full-Service Performance Marketing | USD $3,000/mo | Mid-market to Enterprise |
| 3. Brafton | Content Marketing | Quote-based | Local and regional brands |
| 4. Kalungi | Content marketing | Quote-based | B2B SaaS brands |
| 5. SimpleTiger | Content Marketing | Quote-based | B2B SaaS brands |
| 6. Sōvyn | Public relations | Quote-based | Healthcare AI brands |
| 7. Omniscient Digital | Content Marketing | Quote-based | B2B SaaS brands |
| 8. SmartBug Media | Content Marketing | Quote-based | B2B SaaS brands |
| 9. Bay Leaf Digital | Content Marketing | Quote-based | B2B SaaS brands |
| 10. MV3 Marketing | Content marketing | Quote-based | SaaS brands |
| 11. Animalz | Content Strategy | Quote-based | B2B SaaS brands |
| 12. Brand Vision | Branding | Quote-based | Technology brands |
| 13. Jordan Digital Marketing | SEO & Content | Quote-based | B2B SaaS brands |
| 14. Column Five Media | Brand strategy | Quote-based | B2B SaaS brands |
| 15. TopRank Marketing | Content Marketing | Quote-based | B2B Technology brands |
| 16. NoGood | Content Marketing | Quote-based | SaaS brands |
| 17. Digital Authority Partners | Content Marketing | Quote-based | Healthcare brands |
| 18. Insivia | Growth Consulting | Quote-based | B2B SaaS brands |
| 19. Datalily | Content marketing | Quote-based | B2B SaaS brands |
| 20. Understory | Paid Media | Quote-based | B2B SaaS brands |
| 21. New Breed | Content, SEO & AEO | Quote-based | Software & Technology brands |


Frequently Asked Questions
Should a SaaS content programme chase traffic or pipeline?
Pipeline, and the difference shows up in the brief. Traffic programmes chase volume keywords the buyer never searches at decision time, while pipeline programmes cover comparison, migration, pricing and integration questions that a trial signup actually follows. Ask a candidate which pages produced signups on its last account, how it attributed them, and which high-volume topics it deliberately refused to write.
Who should write technical SaaS content, the agency or our own product team?
Neither alone. The agency owns structure, research and publishing cadence; your engineers and product marketers own claims, screenshots and edge cases, usually through short interviews rather than drafts. Programmes that skip those interviews read like competitor summaries. Ask how a firm sources subject-matter input, how long a review loop takes, and what happens to the calendar when a product launch slips.
What does a content marketing engagement usually cost?
Fees arrive as a monthly retainer covering a set output, a per-piece rate for articles or video, or a project fee for a strategy and calendar build, with design, video and paid distribution often quoted separately. Volume, research depth and subject-matter access move a quote most. On this page not one external firm here prints a fee figure. Ask what a month of output actually contains, and who owns the drafts and the calendar afterwards.
Which of these firms name a client I can verify?
Eleven of the twenty. Single Grain names Amazon Alexa and Nextiva, and Brafton names eSpatial and Amphenol Alden. The rest credit nobody on the pages we read, which is normal when a brand forbids logo use or the writing is ghostwritten. Ask instead for two accounts the firm publishes for now, the monthly output it ships, and a call with the marketer who approved the invoice. A firm that cannot arrange that call may be describing work it no longer holds.
Should the content team also own SEO and AI search visibility?
Usually yes, because the person choosing topics is the person deciding what a search engine or an assistant can quote. Split suppliers work when one side owns the brief and both read the same reporting. Our own approach sits in how we work on AI search visibility. Ask who writes the next quarter's topic list, and what gets retired when a page stops earning.
Choosing a Content Marketing Partner for B2B SaaS Companies
All twenty external firms listed publish content marketing work alongside B2B SaaS work on their own sites, which is a lower bar than a published programme in your category. Treat this as a shortlist to interrogate, not a ranking of outcomes.
Eleven credit a client you can check, and not one external firm here prints a fee figure. Compare what each firm will actually own: the research, the calendar, the writing, the editing, the publishing and the reporting.
Ask for the last three pieces the named team published, the one that produced enquiries and the one that did not. A firm answering with topics, dates, authors and a conversion definition is describing its own work; a firm answering with a portfolio of screenshots is not.
Whoever wins the brief, keep the drafts, the CMS access and the analytics property in your own name, because a library you cannot edit is a supplier you cannot leave. If you would rather have the editorial programme, the content marketing work that feeds it and the measurement run by one accountable team, read our latest analysis or see how we run growth programmes.


