Most seed investors sell access and advice. Primary has spent a decade building something more concrete: a scaled operating bench that helps young companies recruit, find customers and raise the next round.
The enterprise software investor has turned introductions, operating advice and an unusually broad fund network into a second product alongside capital.
Since 1982, the San Mateo firm has quietly written first checks into enterprise software - from Intuit to quantum computing - while a standing network of Fortune 1000 executives does the vetting.
For 22 years, Mainsail Partners has written checks to software founders who bankrolled their own companies - then handed them an operating team instead of a lecture.
In a market built on specialization, Norwest sells breadth: one global fund, checks from $1 million to $200 million, and an operator bench designed to show up only when invited.
O'Leary Ventures offers founders something most funds cannot manufacture: a familiar face with a large audience. Its harder experiment is in North Dakota, where venture returns must share the spreadsheet with jobs, offices and regional impact.
The 20-year-old venture firm built one platform for seed bets and growth checks. Now it is looking past neat labels to find companies that can turn a sharp first product into a much larger market.
Cleveland Avenue puts former operators, test kitchens and consumer research behind founders in food, technology and everyday life. Its wager is simple: capital travels farther when it comes with people who have run the machinery of scale.