The Fintech Index
20 companies rated 5 sectors 1 data report Last checked Sep 23, 2026
BNK

Business banking & treasury

Digital business accounts, cards, and treasury tooling aimed at startups and growth companies.

Top three

Full ranking

  1. 1

    Brex

    81/100 Shortlist

    Growing and multi-entity firms seeking corporate cards, travel and expense policy together in a single system, with local-currency cards for use abroad.

    Open profile
  2. 2

    Mercury

    79/100 Shortlist

    Startups and small firms in the US wanting free business banking, a fee schedule that is clear, and one place for bill pay, cards and treasury.

    Open profile
  3. 3=

    Airwallex

    78/100 Shortlist with caveats

    Firms selling in several countries, paying suppliers or basing teams there and seeking multi-currency accounts with FX fees published.

    Open profile

All rated companies in this sector

Criteria for this sector

Four criteria measure buyer needs in this sector. The other four remain identical from sector to sector and cover the vendor and its commercial terms.

Accounts and payments
Sector criteria
International transfers, payment rails and account features.
Cards and spend controls
Sector criteria
Expense capture, approvals, limits and corporate cards.
Treasury and yield
Sector criteria
Idle cash choices, deposit protection and how clear the disclosure of both is.
Accounting integrations
Sector criteria
Sync to accounting systems and ERP.
Product depth and roadmap
Vendor criteria
Coverage of the job by the product, and how active development is.
Onboarding and support
Vendor criteria
Implementation aid, documentation and support channels offered by the company.
Pricing transparency
Vendor criteria
How much pricing a buyer can view before any sales conversation.
Contract terms
Vendor criteria
Exit terms, minimums and commitments, to the extent the company publishes them.