Key Takeaways

  • Kate Nimmo at PSG separates growth equity from traditional buyouts by headcount direction: her deals expand executive, sales, and marketing teams rather than trimming payroll.
  • PSG executes add-ons at a 1:1 pace across its portfolio, tallying about 520 add-on acquisitions alongside 520 platform investments.
  • Nimmo targets bootstrapped founders from Mainsail to PSG who spent years inside an industry, hit a concrete workflow bottleneck, and built software to fix their own problem.
  • Capital structures flex between minority and majority stakes because return profiles depend on installing repeatable commercial systems rather than financial engineering or heavy debt loads.

Building Headcount Instead of Cutting It

Traditional private equity carries a reputation for extracting margin through expense rationalization. In growth software investing, the economic model runs in the opposite direction.

“We do minority deals, we do majority deals, but the the emphasis is definitely on growth,” (play from 8:19) Nimmo says. “And I think that's a misconception. As people think about private equity, they try to label it in a single way.” (play from 8:22)

The distinction shows up on the income statement. Where a buyout sponsor might strip out duplicate administrative functions and freeze hiring to service debt, growth investors treat existing cost structures as under-invested. The target companies already possess product-market fit, yet they stall because founder-led sales hit a ceiling.

“We're adding most of the time like we're adding more people to the management team,” (play from 8:35) Nimmo explains. “We're helping you build out your sales and marketing function. Establish repeatable processes. It's not the kind of big scary cost cutting that I think a lot of people think of when they think of private equity.” (play from 8:40)

Value creation here means hiring regional sales directors, standing up performance marketing, and recruiting finance leaders who can prepare financial reporting for institutional buyers.

The 520-Deal Add-On Engine

A key differentiator between early-stage venture and software growth equity is capital efficiency achieved through programmatic acquisitions. Founders who solved their own vertical problems rarely build corporate development capabilities on their own.

“My favorite kind of setup and we saw this so much at main sale. We see a lot at PSG2 is a founder that was in an industry and lived a pain point and was like I wish there was some sort of software technology to solve this,” (play from 15:56) Nimmo notes.

These founders know their niche product intimately, but they lack the bandwidth or capital to consolidate fragmented competitors. PSG bridges that gap by running an active deal engine on top of the original platform.

“At PSG, we've got a pretty good M&A muscle,” (play from 15:27) Nimmo says. “So, we've done about 520 add-on acquisitions across the firm's history relative to 520ish platform investments.” (play from 15:28)

A 1:1 ratio of add-ons to platforms demonstrates how middle-market software firms compound revenue. Rather than relying solely on organic pipeline acceleration, the investor uses add-ons to acquire product features, expand regional footprints, and buy existing customer books.

Why It Matters

High interest rates have made debt-funded financial engineering far more expensive, pushing private equity returns back toward operating performance. The growth equity model reflects a shift toward scaling gross margins through product consolidation and professionalized distribution. Investors who can turn founder-led boutique software businesses into programmatic acquirers capture value without relying on multiple expansion or aggressive borrowing.