A profitable, admired, stable company that could never produce a venture-shaped return, and the investor had to decide which of those facts mattered.
This is an anonymised composite, not a report about a named company or person. The situation and numbers are typical rather than reported.
Scientific instrumentation software used by specialist laboratories. Twelve-month retention was 94%, customers described it as irreplaceable, and the founders were credible domain experts. A bottom-up market count found about 1,800 laboratories worldwide that fit, at an achievable price of 6,000 a year - a total addressable market of roughly 10,800,000 a year at complete adoption. The company had 900,000 of ARR and was close to break-even. The round was 1,800,000 at a 9,000,000 post-money valuation.
Everything the investor normally looked for was present except size. Even at total market capture the company would reach about 10,800,000 of annual revenue, which supports a good business and rarely supports the kind of exit that returns an early-stage portfolio.
Invest and accept a modest outcome, decline because the market ceiling is too low for the portfolio's needs, or explore a structure that fits the company's actual shape.
The investor declined, and explained the reasoning to the founders directly: the company looked likely to succeed, and its success would not produce the kind of outcome their portfolio required. They introduced the founders to two investors who back capital-efficient niche businesses, one of whom led the round.
The company grew to 2,600,000 of ARR over eight years, remained profitable, and never sold. It repurchased some early shares at a 12,000,000 valuation - about 1.33x for the seed investors, or roughly 3.6% a year over eight years. It employed 19 people and served its customers well. For an investor needing occasional large outcomes to carry a portfolio, it would have been a capital-consuming success.