Private Equity interview preparation

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September 2026

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1. 063How do you underwrite a software business?Sector knowledgeHardsuperdayVista Equity PartnersPrivate Equity · Austin · 2023Houlihan LokeyInvestment Banking · New York · 2026

   Say this

   Retention first, then pricing power, then sales efficiency. In software the recurring base is the asset, so net revenue retention above 110 percent means the business compounds without selling anything new.

   Then walk it

   1. Build the ARR bridge: opening recurring revenue, plus new, plus expansion, less churn and downgrades. Everything else follows from that roll-forward.
   2. Net revenue retention is the headline. Above 110 percent the installed base grows by itself; below 100 percent you are running to stand still and the growth is all bought.
   3. Then the stickiness behind the number: is the product embedded in a workflow, integrated with systems of record, does it hold the customer's data? Mission-critical software with high switching cost supports pricing.
   4. Pricing is usually the biggest immediate lever in a software buyout. Most vertical software is underpriced relative to the value delivered, and moving to value-based or usage-based pricing on renewal drops straight to margin.
   5. Sales efficiency: CAC payback and the magic number. If payback exceeds 24 months, the problem is targeting or pricing rather than effort, and the fix is reallocation rather than more spend.
   6. Then the cost levers a sponsor pulls: rationalising the product portfolio, consolidating cloud spend, offshoring support and engineering, and cutting R&D on products nobody buys. And the risk to underwrite now is whether AI changes the product's defensibility over the hold period.

   Where candidates lose it

   Treating it as a generic business with good margins. The sector has a specific vocabulary and a specific playbook: ARR bridge, net retention, CAC payback, pricing on renewal. And ignoring the AI disruption question on a five-year hold is a real analytical gap in 2026.

   Expect next

   • What net retention would justify the entry multiple?
   • What does AI do to the defensibility over five years?
   • Where would you take price first?

   Reported by candidates at Vista Equity Partners (Private Equity, Austin, 2023); Houlihan Lokey (Investment Banking, New York, 2026). Source: Wall Street Oasis.

Firm tags come from public, anonymous candidate reports on Wall Street Oasis: strong signal, not sworn testimony. Firms are named as the places a question was reported, not as partners of Fin Maverick. Answers are written for this page to show how to think out loud; they are not scripts to recite.