G2 vs Semrush
Side-by-side comparison of AI visibility scores, market position, and capabilities
G2 is the world's largest B2B software marketplace with 3M+ verified reviews and 3.5M+ monthly visitors; acquiring Gartner's Capterra, Software Advice, and GetApp in Jan 2026 to reach 200M annual software buyers globally.
About
G2 is the world's largest software marketplace and peer review platform, providing over 3 million verified reviews across more than 2,000 software categories to help businesses make informed technology purchasing decisions. Founded in 2012 and headquartered in Chicago, G2 attracts over 3.5 million monthly visitors — buyers actively researching software — making it the highest-intent audience in B2B software marketing. For software vendors, G2 provides review collection, buyer intent data, competitive intelligence, and demand generation tools that connect their products with in-market buyers at the moment of research.
All-in-one digital marketing platform with $350M revenue; keyword research, competitive intelligence, and SEO tools for 1M+ users competing with Ahrefs for marketer mindshare.
About
Semrush is an all-in-one digital marketing platform providing SEO tools, competitive intelligence, PPC research, social media analytics, and content marketing tools for marketers, SEO professionals, and digital agencies. Listed on NYSE (NYSE: SEMR) and headquartered in Boston, Massachusetts (with major operations in St. Petersburg, Russia), Semrush generates approximately $350 million in annual revenue and serves over 1 million users with a database of 25+ billion keywords and competitive data on 800 million+ domains.\n\nSemrush's core product is its keyword research and competitive analysis engine — entering any domain shows its organic search rankings, estimated traffic, top keywords, and backlink profile, enabling marketers to understand their competitors' SEO strategies. The platform includes position tracking (monitoring keyword rankings over time), site auditing (identifying technical SEO issues), backlink analysis, and content optimization tools. The advertising research module shows competitors' PPC ad history, spending estimates, and landing pages.\n\nIn 2025, Semrush competes in the SEO and digital marketing intelligence market against Ahrefs (the other leading SEO platform), Moz, SpyFu, and Similarweb (traffic analytics). The two dominant platforms — Semrush and Ahrefs — have been engaged in continuous feature expansion as each adds tools beyond core keyword research into broader marketing analytics. Semrush has invested in AI tools for content creation and optimization. The 2025 strategy focuses on Semrush AI (AI writing and content generation tools), expanding into broader digital marketing workflow automation, and growing its enterprise segment with agency and brand team subscriptions.
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