CompStak

Name: CompStak
Brand: CompStak
Rating: 3.7 (9 reviews)

One platform for reliable and accurate commercial real estate data.

Est 2011|Valuation $210M|Raised $82M|33 Ref Customers

LinkedIn 8K|Web traffic 61K|FTEs 130|HQ New York, New York, US

MarketsCRE Investment & Underwriting Software

01Competitive Landscape

Narrative analysis

- CompStak’s differentiator is the depth of lease-term detail and a contributor-sourced dataset with an internal verification process; some reviewers report that CompStak provides more granular lease economics than platforms that rely primarily on public records. - CoStar is commonly used for broad market coverage and standardized workflows; it may be preferred when breadth and a widely accepted reference dataset are priorities. - Reonomy focuses on owner discovery and prospecting and may be a better fit when outbound sales lists and contact information are the primary objective.

Adoption trends / market signals

CompStak’s model relies on maintaining an active contributor base for the Exchange. If contributor participation declined, data recency and coverage could be affected. This structural dependency is a trade-off relative to platforms that primarily aggregate public records.

	CompStak	CoStar	Reonomy (Altus Group)
Starting Price	Not publicly listed for CompStak One (sales-led). Exchange is free for qualified contributors.	Not publicly listed; negotiated.	Reported standard pricing in third-party sources: hundreds/month per user (varies by contract and feature set).
Primary Use Case	Deal-level lease comps with detailed economic terms; sale comps and loan data for underwriting and valuation.	Broad market research, listings, and widely adopted industry workflows.	Owner/contact discovery and prospecting; public-record aggregation.
Key Strength	Crowdsourced hard-to-find deal terms with a verification layer; Exchange supports contributor-based data recency.	Breadth of coverage and broad market adoption.	Strong prospecting and contact discovery capabilities.
Key Weakness	Enterprise pricing opacity; limited publicly available security/compliance documentation; reported renewal-term complaints.	Pricing negotiation and potential gaps in lease-term granularity for some use cases.	Less depth on lease economic terms compared with CompStak’s dataset.

01Competitive Landscape

Narrative analysis

CompStak’s differentiator is the depth of lease-term detail and a contributor-sourced dataset with an internal verification process; some reviewers report that CompStak provides more granular lease economics than platforms that rely primarily on public records.
CoStar is commonly used for broad market coverage and standardized workflows; it may be preferred when breadth and a widely accepted reference dataset are priorities.
Reonomy focuses on owner discovery and prospecting and may be a better fit when outbound sales lists and contact information are the primary objective.

Adoption trends / market signals

	CompStak	CoStar	Reonomy (Altus Group)
Starting Price	Not publicly listed for CompStak One (sales-led). Exchange is free for qualified contributors.	Not publicly listed; negotiated.	Reported standard pricing in third-party sources: hundreds/month per user (varies by contract and feature set).
Primary Use Case	Deal-level lease comps with detailed economic terms; sale comps and loan data for underwriting and valuation.	Broad market research, listings, and widely adopted industry workflows.	Owner/contact discovery and prospecting; public-record aggregation.
Key Strength	Crowdsourced hard-to-find deal terms with a verification layer; Exchange supports contributor-based data recency.	Breadth of coverage and broad market adoption.	Strong prospecting and contact discovery capabilities.
Key Weakness	Enterprise pricing opacity; limited publicly available security/compliance documentation; reported renewal-term complaints.	Pricing negotiation and potential gaps in lease-term granularity for some use cases.	Less depth on lease economic terms compared with CompStak’s dataset.