CompStak vs Reonomy
CompStak holds the stronger position because it carries a wider moat and its product is unlikely to be absorbed by AI, while Reonomy has shrunk sharply since being bought out and sits more exposed on both counts.
CompStak
CompStak runs a crowdsourced database of commercial real estate lease terms fed by brokers.
Dimension by dimension
| Dimension | CompStak | Reonomy |
|---|---|---|
| Staying power of the core product | CompStak's standing is rated protection under test, and it still runs as an independent, crowdsourced data platform. | Reonomy is losing its protection, with headcount falling from about 133 to roughly 20 after being folded into Altus Group. |
| Exposure to AI | CompStak's product is unlikely to be absorbed by AI. | Reonomy's product is partly exposed to AI absorption. |
| How easily a giant could copy them | A giant copying CompStak's approach is only possible, not likely. | A giant copying Reonomy's approach is rated likely. |
| Pressure from rivals | CompStak faces direct pressure from CoStar's dominant comps and analytics suite, but retains more capacity to respond as an independent, crowdsourced data platform, assessed July 2026. | Reonomy faces heavier direct pressure from CoStar than CompStak does, with far fewer staff to respond after headcount fell from about 133 to roughly 20 following its acquisition by Altus Group, assessed July 2026. |
| Defensive depth | CompStak maintains a wider competitive moat, continuing to operate as an independent, crowdsourced data platform. | Reonomy's moat has narrowed sharply since being acquired by Altus Group in November 2021, with headcount falling from about 133 to roughly 20. |
| Financial footing | CompStak raised $50M in a Series C round in November 2021, following earlier rounds of $12M and $5.57M. | Reonomy was acquired for $201.5M in November 2021 despite trailing revenue of $18.3M and an adjusted EBITDA loss between $16.9M and $23M. |
Questions people ask
- Which company is better positioned against AI, CompStak or Reonomy?
- CompStak is less likely to see its product absorbed by AI, while Reonomy's data offering is rated partly exposed. That difference gives CompStak a steadier footing for now.
- Is CompStak still independent, or has it been bought like Reonomy?
- CompStak remains independent and has raised funding through 2021, most recently a $50M Series C round. Reonomy, by contrast, was acquired by Altus Group in November 2021 for $201.5M.
- What happened to Reonomy after its acquisition?
- After Altus Group's purchase, Reonomy's headcount dropped from about 133 employees to roughly 20. That is a steep cut compared to CompStak, which has kept operating on its own.
Other comparisons with these companies