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14 posts tagged.
Proton doesn't publish revenue, so 2024 to 2025 estimates run ~$97.5M (GetLatka) to $105M (ZoomInfo), up from ~$70M ARR in 2022. A sourced ledger of the Swiss privacy company that hit 100M accounts on roughly $2.5M ever raised, then gave itself to a non-profit foundation.
Kagi doesn't publish revenue, so estimates for 2026 run from ~$7M (Growjo) to $9.1M (ZoomInfo). A sourced ledger of what the ad-free, user-funded search engine actually discloses: 50,000 paying members, profitable since 2024, and zero venture capital.
Yoast hit ~$12M ARR in 2019 with zero funding, then sold to PE-backed Newfold in 2021 and stopped disclosing numbers. A sourced, year-tagged ledger, why the 2026 estimates run from $12.4M to $100M, and the operator lesson in why a healthy bootstrapped company sells anyway.
Kinsta is private and 100% bootstrapped, so its revenue is genuinely disputed: third-party estimates run from under $20M to as high as $100M. A sourced, year-tagged ledger, and why a company that took $0 in outside money will never let you pin the number down.
Elementor is private, so what does the most-installed WordPress page builder actually earn? Third-party estimates run from $53M to $250M, a near-5x spread. A sourced ledger, why the numbers disagree so wildly, and the stray $761M figure you should ignore.
Kit, formerly ConvertKit, is bootstrapped and private, so what does it earn? Third-party estimates put 2024 revenue near $43.8M on zero capital raised. A sourced ledger from the $1,337 month that nearly ended it to the $200M offer Nathan Barry turned down.
Wistia is private and bootstrapped, so estimates of its revenue swing from $24M to $67M. But the number that really explains it is the $17.3M of debt the founders took on in 2017 to buy out investors and force themselves profitable. A sourced ledger and the operator lesson.
Ahrefs is private and bootstrapped, so what does it actually earn? Credible estimates put revenue near $100M to $149M a year (2023 to 2024) with zero outside investors, and the company's own blog disclosed ~$257M over three years. A sourced ledger, plus the revenue-per-employee number that really explains it.
Tailwind CSS is free, so where did the money come from, and where did it go? Tailwind Labs crossed ~$2M in revenue by 2020, then in early 2026 founder Adam Wathan said revenue was down close to 80% as AI gutted docs traffic. A sourced ledger on what a bootstrapped open-source business actually earns.
Lemon Squeezy hit $1M ARR in nine months, turned down a $50M Series A, then sold to Stripe for an undisclosed sum. An honest, source-typed revenue ledger, and why the disclosed number is the least interesting part.
ClickFunnels revenue peaked at a reported $265.3M in 2023, then fell to about $170M in 2024. An honest, source-typed ledger, plus the raise it never announced.
beehiiv is cited at around $30M in annual revenue for 2026, but founder Tyler Denk's own numbers show only ~$20M is recurring software, with ~$10M from ads and a marketplace. Here is what the figure actually counts, the growth curve, the venture backing behind it, and the operator lesson.
