The performance gap between top-quartile and median PE funds does not begin in the boardroom or at the operating table. It begins in the sourcing meeting, six to eighteen months before a deal closes.
Most firms run the same playbook: scan PitchBook, pull a SourceScrub list, call the bankers they know, and wait for CIMs. The top performers do something structurally different. They have built origination functions around people, data, and process to see deals before they become auctions.
The gap in what they see is not small.
01. The Origination Coverage Problem
Sutton Place Strategies' 2024 Deal Origination Benchmark Report benchmarks deal origination across hundreds of PE firms annually. Their data found the average firm sees roughly 16.5% of the deals in its target market in any given year.
The other 83.5% are moving — ownership conversations happening, seller advisors being retained, businesses beginning the transition process — without the firm ever learning they existed.
That 16.5% is not random either. It is disproportionately the deals that have already been packaged and distributed: the banker CIM, the teaser, the intermediary call. These deals arrive simultaneously in the inboxes of every other firm with a similar thesis.
Top-quartile firms do not win by being faster to respond to the same deal. They win by having a larger share of that 83.5%.
02. What Separates Proprietary Deal Flow From Everything Else
Proprietary deal flow is a structural outcome of having a sourcing function.
Many firms think they are doing proprietary sourcing when they are not. Flying to conferences, maintaining banker relationships, and sending the occasional LinkedIn message to a portfolio company CEO are relationship management activities. They produce referrals, not pipeline.
Proprietary deal flow requires proactive, systematic outreach to owners who have not yet engaged an advisor. Three characteristics define it:
Direct to owner. The firm contacts the business owner before an intermediary does, or at least before an intermediary has been retained. This requires knowing who those owners are, what their businesses look like, and when the timing is likely to be right.
Repeatable process. A one-time blitz is not a sourcing function. Top-performing firms run continuous outreach to a curated universe of targets, refreshed on a cadence that tracks ownership events and thesis evolution.
Qualification before calendar access. Deals from a banker are pre-sorted by the banker's incentive, not your criteria. Proprietary sourcing requires building your own qualification layer so that owner introductions become advisor meetings only when the criteria match.
03. The Data Behind Top-Quartile Sourcing
Bain & Company's Global Private Equity Report has tracked the sourcing practices of outperforming funds for over a decade. Their analysis finds that top-quartile firms report a higher proportion of deals from proprietary channels — direct outreach and trusted-network origination — relative to banker-intermediated deal flow.
Buying a deal through an auction prices it at full value. Finding a deal before the market does lets you price it against alternatives that do not yet exist. The entry multiple advantage compounds: it shows up in IRR before any operational improvement is applied.
McKinsey's Global Private Markets Review has made a related point about lower-middle-market PE performance. Funds that built dedicated origination infrastructure, rather than relying on ad hoc sourcing, tend to show stronger outcomes on multiple expansion and hold-period EBITDA growth. The two are correlated because the firms building origination infrastructure are also the ones disciplined enough to build systems in general.
04. What Dedicated Origination Actually Looks Like
The firms with proprietary deal flow have built something specific and intentional.
A defined target universe. They know the industries, geographies, revenue bands, and ownership profiles they are pursuing, recorded in a structured list maintained in a CRM, with fields that capture NAICS codes, owner names and ages, years in business, debt maturity dates, and event data that signals transition readiness.
An outbound motion. Email is the starting channel because it scales without proportional cost. But email alone rarely moves a lower-middle-market owner. The best origination functions layer in phone — direct dial outreach by an SDR or senior business development resource — and in some cases light SMS for re-engagement.
An SDR or BDR function. Asking a deal professional to make cold calls is expensive and rarely works. The firms doing this well have separated origination from evaluation. An SDR team does the outreach, qualifies against basic criteria, and books introductory calls. The deal professional enters when a conversation is worth having.
A feedback loop. Lists get stale. Industries move. Thesis evolves. Top-performing firms close the loop between what their deal professionals learn on calls and what the sourcing function targets next. The sourcing list six months from now looks different from today because information from conversations informed it.
05. Where Most Firms Actually Stand
The honest picture for most lower-middle-market PE firms: sourcing is reactive, not proactive.
A partner has a thesis and is active on LinkedIn. The firm attends four conferences a year. There is a banker relationship network that sends deal flow, refreshed when a new partner joins. The CRM is a parking lot for companies seen in processes, not a managed list of prospective targets.
That approach will produce a pipeline. But it is a pipeline built from 16.5% of the available market, competing for the same paper every other firm has already seen.
Building the other 83.5% is a sourcing infrastructure decision. It requires time, people, and a data function. For firms early in building it, the question is how fast to move and whether to build internally or source the capability externally.
Either way, the firms that get there first have an origination advantage that compounds. Every direct relationship that precedes a formal process is a relationship the competing firm does not have. Every owner who took a call before hiring an advisor is a conversation the auction market will not give you.
Sources
- Sutton Place Strategies, 2024 Deal Origination Benchmark Report
- Bain & Company, Global Private Equity Report
- McKinsey & Company, Global Private Markets Review 2023
If you want to talk through what a proprietary sourcing motion looks like for your firm's thesis and market, we can start that conversation here.