What is the best business banking & corporate cards platform in 2026?

Based on Catalyst's AI search analysis across ChatGPT, Claude, Gemini, and Perplexity, the top three business banking & corporate cards platforms by voice share are 1) Brex (73.2% voice share), 2) Mercury (48.8% voice share), 3) Ramp (48.8% voice share). Voice share measures how often each vendor is mentioned when buyers ask AI for category recommendations.

Which business banking & corporate cards vendor is most cited by AI assistants?

Brex leads business banking & corporate cards AI citations with 73.2% voice share. When buyers ask ChatGPT, Claude, Gemini, or Perplexity for business banking & corporate cards recommendations, Brex is named in roughly 73.2 of every 100 responses.

How does Catalyst measure AI voice share for business banking & corporate cards vendors?

Catalyst runs 80 standardized buyer-intent queries against ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews. Each query is asked in a fresh session with two buyer personas (decision-maker and practitioner). Voice share = percentage of responses that name each vendor. Full methodology at gotcatalyst.com/aeo-methodology.

AI Voice Share Landscape

Business Banking & Corporate Cards

Which vendors are being cited in AI answers when buyers research business banking & corporate cards? Data from 80 AI queries across ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews.

Last measured October 4, 2026 · Methodology

AI Voice Share Leaderboard

Brex73.2%

Mercury48.8%

Ramp48.8%

Rho43.9%

Bluevine19.5%

Airbase19.5%

Slash14.6%

Bankofamerica14.6%

Airwallex14.6%

Found12.2%

Rho9.8%

Bvnk9.8%

Voice share = % of AI answers that mentioned each vendor across 80 buyer-intent queries. Pipeline estimate based on category query volume × citation CTR (2.5%) × opportunity rate (5%) × estimated ACV. For context only — not audited pipeline figures. Full methodology →

What AI voice share means for business banking & corporate cards vendors

B2B buyers increasingly start vendor research in AI engines. When a buyer asks ChatGPT or Perplexity which business banking & corporate cards vendor to evaluate, the answer shapes their shortlist before they visit a single website. Vendors with high voice share get into consideration sets they didn't have to earn through ads or SEO.

This data is measured via standardized, context-free API calls — the same query sent to each LLM in a fresh session, repeated across 12 buyer-intent prompts. It represents baseline citation behavior, not personalized results.

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Data published by Catalyst GTM. Updated each time a new industry map is rendered. Coefficients and methodology at gotcatalyst.com/aeo-methodology. Voice share is measured at a point in time and does not represent permanent rankings.