Thumbtack vs CoStar
Side-by-side comparison of AI visibility scores, market position, and capabilities
SF local services marketplace with 80M+ consumers and 250K+ pros across 1,000+ categories; $500M Sequoia/Tiger Global-backed shifting to pro subscription model competing with Angi and TaskRabbit for US home services marketplace.
About
Thumbtack is a San Francisco-based online marketplace for local home and professional services — backed by approximately $500 million in total funding from Sequoia Capital, Tiger Global, Google Capital, and Baillie Gifford — connecting 80+ million consumers with local professionals across home improvement (contractors, plumbers, electricians, painters, landscapers), events (photographers, DJs, caterers, florists), lessons (music, tutoring, fitness, language), and wellness (massage therapists, personal trainers, nutrition coaches) in 1,000+ service categories across the United States. Founded in 2008 by Marco Zappacosta, Sander Daniels, Jonathan Swanson, and Jeremy Tunnell, Thumbtack has shifted its business model from a marketplace where pros pay per lead to a subscription-based model (Thumbtack Pro Membership) where professionals pay monthly fees for profile promotion and customer connection tools.
$2.74B revenue 2024 (+11% YoY); $732M Q1 2025 revenue (+12% YoY); 56th consecutive quarter double-digit growth; 134M+ monthly unique visitors Q4 2024; 6,400+ employees in 14 countries
About
CoStar Group is the leading provider of commercial real estate data, analytics, and marketplace platforms, founded in 1987 in Washington, D.C. by Andrew Florance. The company was built on the conviction that commercial real estate — one of the world's largest asset classes — was fundamentally underserved by reliable data, and that building a proprietary research infrastructure to collect, verify, and distribute property information would create a durable competitive moat. CoStar's core technology combines a massive field research organization with digital data collection tools to maintain the most comprehensive commercial real estate database in the world.\n\nCoStar's product portfolio spans multiple platforms serving different segments of the real estate market: CoStar for commercial real estate professionals, LoopNet for commercial property marketing, Apartments.com for multifamily rental search, Homes.com for residential real estate, and Ten-X for online commercial property auctions. This multi-platform strategy positions CoStar Group as the data and marketplace layer across every major real estate segment. The company attracted more than 134 million unique monthly visitors across its networks in Q4 2024, demonstrating the scale of its audience reach.\n\nCoStar Group reported $2.74 billion in revenue for 2024, an 11% year-over-year increase, marking its 56th consecutive quarter of double-digit revenue growth — a remarkable consistency streak in enterprise SaaS. The company's combination of proprietary data assets, marketplace network effects, and expanding residential real estate ambitions gives it multiple growth vectors as it targets the vast residential brokerage market that dwarfs its existing commercial business.
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