Companies with an app in the Hubspot App Marketplace

Source: Analysis of Linkedin bios of 1,739 companies that use Hubspot App Marketplace

I noticed these companies are overwhelmingly B2B software providers building tools that extend, enhance, or integrate with business systems. They're not just "tech companies." They create specific utility: AI chatbots and voice agents, eSignature platforms, conversation intelligence tools, lead routing systems, CRM enhancements, marketing automation add-ons, and workflow connectors. Many explicitly position themselves as solutions that plug into existing tech stacks, particularly CRM systems like HubSpot and Salesforce.

These are predominantly early to growth-stage companies. About 60% have fewer than 50 employees, and the majority show seed funding or no disclosed funding at all. However, there's a meaningful minority of more mature players like Docusign (8,400+ employees), Similarweb (1,200+ employees), and FareHarbor (900+ employees). The funding stages range from bootstrapped to Series D, but most cluster around seed or Series A with modest raises under $10M.

Source: Analysis of tech stacks from 1,739 companies that use Hubspot App Marketplace

I noticed that companies building apps for the HubSpot App Marketplace are clearly B2B SaaS businesses with sophisticated product operations and partner-driven growth strategies. The presence of FirstPromoter appearing 174 times more often tells me these companies heavily rely on affiliate and partner networks to drive customer acquisition. They're building not just for end users, but through channel relationships, which makes perfect sense given they're creating integration products that sit between HubSpot and other platforms.

The combination of LinkedIn Ads and FirstPromoter reveals a dual-channel acquisition approach. They're running targeted B2B advertising to decision-makers while simultaneously building partner networks to create recurring referral revenue. Meanwhile, Atlassian StatusPage appearing 71 times more frequently shows these are companies managing uptime-critical integrations. When your product connects two business-critical systems, public status communication becomes essential for customer trust.

The pairing of AWS infrastructure with Intercom Widget shows modern product operations. These companies are running scalable cloud infrastructure while maintaining real-time customer communication channels. They need both reliability at scale and the ability to provide immediate support when integration issues arise. The high prevalence of MCP (Master Control Program for marketing attribution) suggests they're tracking complex customer journeys across multiple touchpoints.