Digital Litmus

Digital Litmus is a London-based B2B marketing and HubSpot agency that specialises in demand generation, inbound marketing, content and SEO, paid campaigns, RevOps, and website development for tech-driven businesses.

As a Platinum HubSpot Partner, they focus on building integrated sales, marketing, and RevOps engines that drive predictable growth for B2B SaaS and tech companies. Their approach is highly strategic, blending marketing automation, CRM, and content with a clear emphasis on measurable results—most notably, they claim a 197% increase in qualified website leads for their clients. Their client roster includes names like Spektrix, BizTalk360, Document360, and Ambie.

Pros

• Holistic Growth Engine Approach: Digital Litmus stands out by connecting marketing, sales, and operations into a unified strategy. Their services go beyond lead generation, encompassing everything from strategic planning (Fusion Blueprint) to sales enablement and RevOps, which is critical for scaling SaaS businesses.
• HubSpot & RevOps Expertise: As a Platinum HubSpot Partner, they excel at setting up, optimising, and integrating HubSpot and broader tech stacks to drive revenue. This is especially valuable for SaaS companies looking to automate and scale their operations.
• Proven Results and Client Satisfaction: Their case studies and client testimonials consistently highlight significant revenue impact, improved pipeline, and high engagement rates. Clients like Spektrix and Fooditude praise their strategic insight and execution, noting clear ROI and strong collaboration.

Cons

• Boutique Size: With a team of just 2-10 employees, Digital Litmus may not have the bandwidth for very large-scale, multi-region campaigns or the ability to rapidly scale up resources for enterprise-level clients.
• Niche Focus: While their specialisation in B2B SaaS and tech is a strength, companies outside this niche or those seeking broader consumer marketing expertise might find their offering less relevant.
• Pricing Transparency: Although they offer a free growth assessment, detailed pricing information is not readily available on the site, which may require additional calls and qualification before prospects can assess fit.

Final Thoughts

Digital Litmus makes our list of recommended agencies in the B2B SaaS space for several reasons. Their ability to blend strategic marketing, deep HubSpot and RevOps expertise, and a clear focus on measurable outcomes is rare among boutique agencies.

They’re not just another lead gen shop—they architect the entire revenue engine, ensuring sales, marketing, and operations work together. For SaaS companies looking for a partner who understands the nuances of tech growth, automation, and customer-centric strategy, Digital Litmus offers both the technical depth and strategic vision to deliver real results. Their proven track record with SaaS clients and glowing testimonials back up their claims, making them a strong choice for ambitious B2B brands ready to scale.