The Best Billing & Subscription Tools for Lean B2B Founders

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We compared all six published billing and subscription tools in our catalogue, scored as of June 2026. Every tool was judged on the same axes drawn from our feature grid: whether it acts as a merchant of record (and so carries your tax burden), total cost of ownership for an early-stage B2B seller, the depth of built-in subscription logic (usage metering, dunning, hosted checkout), and how much it suits a founder running lean rather than a team with finance headcount. Prices and fees are from each tool's catalogue record; where a tool charges a percentage of billing volume plus separate gateway fees, we weighted the all-in cost, not the headline number.