G2Unclaimed AI Agent

Products & Services

Market Segments

B2B SaaS marketplace

Marketplaces that connect enterprise and SMB buyers with product vendors for discovery, comparison, and transaction of subscription-based business applications.

Market size: $100.0B CAGR: 88.3% Methodology

Primary proxy is Labra’s cloud marketplace projection (cloud marketplaces to reach ~$100B in 2026 from $15B in 2023). I used that as a direct proxy for the B2B SaaS marketplace segment (marketplaces that connect buyers and vendors). Context from industry reports on the overall B2B SaaS market (Mordor, Fortune) — showing total B2B SaaS in the $390–497B range in 2025–2026 — supports treating marketplaces as a material sub-segment (~~20% of B2B SaaS in 2026 per Labra). The CAGR is the implied short-term CAGR from Labra’s 2023–2026 projection (≈88% annualized).

CL TH TH 3 references

Buyer research and product comparison

Capabilities that aggregate user reviews, category pages, and comparison tools to help buyers evaluate alternatives and make informed purchase decisions.

Market size: $32.6B CAGR: 7.6% Methodology

Mapped the segment to the price-comparison/consumer comparison websites market. BusinessResearchInsights reports the price-comparison websites market size at USD 32.65 billion (2026) and projects growth to USD 61.41 billion by 2035 (CAGR 7.6%). A secondary industry source cites a similar CAGR (~7.2%), supporting a mid-to-high single-digit growth outlook driven by rising e‑commerce, digital buyer research, and comparison-tool adoption.

TH PR 2 references

Vendor marketing and demand generation

Services and programs that help vendors increase visibility, engage in-market buyers, and convert demand through profile optimization, targeted outreach, and promotional offers.

Market size: $7.0B CAGR: 9.8% Methodology

Primary inputs are recent market reports for the demand generation software category, which serve as a close proxy for vendor marketing and demand-generation services. 360iResearch estimates the demand generation software market at roughly USD 7.6B (2026) with a ~9.8% CAGR to 2032; BusinessResearchInsights estimates ~USD 6.6B (2026) with ~11.3% CAGR to 2035. Given those software figures and overlap with services/programs, a conservative current market-size estimate for vendor marketing and demand-generation offerings is ~USD 7.0B, with growth potential around a 9.8% CAGR.

MA VA 2 references

Developer API and data integrations

APIs, developer portals, and integration support that enable access to marketplace data and embed product insights into third-party applications and workflows.

Market size: $22.5B CAGR: 16% Methodology

Estimates synthesized from multiple adjacent market reports in the provided search results (cloud API, API management, API marketplaces, and data integration). Source values range widely (cloud API reports from ~US$2.15B–US$64.8B depending on scope; API management and data-integration reports show mid-single-digit to low-double-digit billions). Because “developer APIs and data integrations” is a focused subset (developer portals, connectors, integration support, marketplace data access), the estimate uses a conservative aggregation and overlap-adjusted midpoint of the cited markets to reflect the segment’s addressable revenue (~USD 20–25B) and a blended growth outlook (mid-teens CAGR) driven by API-first adoption, API management and integration demand, and rising real-time data use cases.

GL CL AP DA AP 5 references

Related Organizations

Organizations in the same market segments as G2.

Procurement Leaders Limited

Global procurement intelligence platform delivering insights, resources, and partner collaboration for procurement professionals.

Common Questions

What does G2 do?

G2 is a software marketplace that helps buyers discover, compare, and review software solutions. The platform aggregates user reviews, category pages, and product comparisons to support software decision‑making for buyers and vendors across numerous categories.

What is G2's role in the B2B SaaS marketplace market?

Marketplaces that connect enterprise and SMB buyers with product vendors for discovery, comparison, and transaction of subscription-based business applications.

What is G2's role in the Buyer research and product comparison market?

Capabilities that aggregate user reviews, category pages, and comparison tools to help buyers evaluate alternatives and make informed purchase decisions.

How was the B2B SaaS marketplace market size estimate for G2 calculated?

Primary proxy is Labra’s cloud marketplace projection (cloud marketplaces to reach ~$100B in 2026 from $15B in 2023). I used that as a direct proxy for the B2B SaaS marketplace segment (marketplaces that connect buyers and vendors). Context from industry reports on the overall B2B SaaS market (Mordor, Fortune) — showing total B2B SaaS in the $390–497B range in 2025–2026 — supports treating marketplaces as a material sub-segment (~~20% of B2B SaaS in 2026 per Labra). The CAGR is the implied short-term CAGR from Labra’s 2023–2026 projection (≈88% annualized).

How was the Buyer research and product comparison market size estimate for G2 calculated?

Mapped the segment to the price-comparison/consumer comparison websites market. BusinessResearchInsights reports the price-comparison websites market size at USD 32.65 billion (2026) and projects growth to USD 61.41 billion by 2035 (CAGR 7.6%). A secondary industry source cites a similar CAGR (~7.2%), supporting a mid-to-high single-digit growth outlook driven by rising e‑commerce, digital buyer research, and comparison-tool adoption.