PostHog Overview
Pro stress-test →PostHog is an open-source platform combining event tracking, session replay, surveys, error monitoring, and feature flag management into a unified system. The company achieved $57.5M in annual recurring revenue (ARR) in February 2026, up 99% year-over-year, establishing itself as a critical developer-focused analytics infrastructure company.
Strategic Profile
Pro stress-test →Founded in 2020 by James Hawkins and Tim Glaser, PostHog differentiates through developer-first design and self-hosted deployment giving developers complete control over their data. The company is positioning itself as an alternative to the modern data stack by embedding CDP, data warehouse, and ETL functionality directly into their platform, representing a massive expansion opportunity beyond their current TAM.
Competitive Landscape
Pro stress-test →Competitors include Pendo, Mixpanel, Heap, FullStory, and LogRocket. PostHog differentiates through open-source architecture, self-hosted deployment options, and developer-first positioning versus traditional SaaS analytics vendors that target product managers. PostHog's auto-capture capabilities and quick implementation (1 day vs 2 weeks for traditional tools) enable faster customer deployment.
Industry Context
PostHog operates in Product analytics platforms.
Key facts
Founded: 2020 · Headquarters: San Francisco, US · Employees: 202 · Revenue: $57.5M ARR (February 2026) · Market cap: N/A