Proprietary deal flow — the idea that you see deals nobody else sees — is the most commonly cited competitive advantage in venture and the least commonly real. In a world where every funded startup has been seen by 40–80 investors before closing their round, true exclusivity barely exists.
What does exist, and what separates the best investors, is preferential access: seeing deals earlier, getting more context, and being the investor founders want to work with when they have choices. That's a different, more achievable, and more honest goal.
Where Deals Actually Come From
We surveyed 80 investors in the Inner Ping network about their last 10 investments. The sourcing breakdown was consistent across fund sizes:
- ▸Existing portfolio founder referrals: 35% — by far the largest channel for follow-on and new investments
- ▸Other investor referrals: 25% — co-investor relationships remain the second-largest source
- ▸Community and event connections: 18% — increasingly important as curated communities replace mass networking
- ▸Inbound from content/reputation: 12% — founders who specifically seek out the investor
- ▸Cold outbound from the investor: 7% — surprisingly low, but these are often the most contrarian bets
- ▸Accelerator/incubator demo days: 3% — diminishing as a sourcing channel
Building Preferential Access
The investors with the best deal flow all do the same thing: they make their portfolio founders wildly successful and visibly so. When a founder in your portfolio has a great experience and tells other founders about it, you generate the highest-quality referral channel that exists. Everything else is supplementary.
“I stopped chasing deal flow and started obsessing over founder NPS in my portfolio. Within a year, my inbound quality improved more than any sourcing strategy I'd tried in a decade.”
— Marcus Obi
Ask every portfolio founder quarterly: 'Is there a founder you respect who's building something interesting?' Not 'do you have any deals for me.' The former generates genuine recommendations. The latter generates obligations.
The Founder NPS Framework
I started measuring 'Founder NPS' across my portfolio 18 months ago — a simple quarterly survey asking portfolio founders to rate their experience on a 0–10 scale and answer one open-ended question: 'What could I do better?' The results were humbling. My initial NPS was 32 (decent but not great for a small portfolio). After implementing the specific feedback — faster email responses, more relevant introductions, less unsolicited advice — my NPS climbed to 67. And the deal flow followed: my referral-sourced deals increased 140% in the following two quarters.
The specific value-add activities that drive the highest Founder NPS scores across our dataset: (1) making one high-quality customer introduction per quarter (rated 9.2/10 by founders), (2) helping close a critical hire through personal network (rated 9.0/10), (3) providing a same-day response to urgent strategic questions (rated 8.7/10), (4) making introductions to follow-on investors at least 6 months before the next raise (rated 8.5/10). The activities with the lowest impact? Sharing industry reports (4.1/10), inviting founders to large networking events (3.8/10), and sending unsolicited 'strategy suggestions' (3.2/10).
The Speed Advantage: Why 'Seeing It First' Matters Less Than 'Deciding Fastest'
Here's the contrarian take from our data: timing of deal access was less correlated with investment outcomes than speed of decision-making. Investors who could go from first meeting to term sheet in under 14 days reported winning 73% of competitive deals they pursued. Investors who took 30+ days won only 31%. The founder experience of a fast, decisive investor creates its own referral flywheel — founders tell other founders 'this person made a decision in a week' and that reputation becomes the real competitive advantage.
- ▸Top-performing angels in our network: median 5 days from first meeting to commitment. They pre-build conviction through the X/community monitoring described in our deal sourcing post — by the time they take a meeting, they've already done 60% of their diligence.
- ▸Top-performing seed funds: median 12 days from first partner meeting to term sheet. They achieve this by empowering individual partners to make investment decisions without full partnership votes for checks under $1M.
- ▸Bottom-quartile investors: median 35 days from first meeting to decision. They lose nearly every competitive deal and end up with adverse selection — the only companies that wait for them are the ones nobody else wanted.
Building a Deal Sourcing Engine: The Annual Plan
Based on the patterns from our 80-investor survey, here's a concrete annual plan for building preferential deal access:
- 1.Quarter 1: Audit your current portfolio. Call every founder. Ask what you could do better. Fix the top three complaints. This is the foundation.
- 2.Quarter 2: Build your community presence. Join two curated communities (like Inner Ping). Attend with intent to help, not source. Make 20 introductions with no ask attached.
- 3.Quarter 3: Launch a content practice. Not thought leadership — practical, specific content that demonstrates your expertise. One post per week on your area of focus. Share insights from your portfolio (with permission) that other founders can learn from.
- 4.Quarter 4: Systematize. Create your monitoring systems (X lists, community routines, portfolio check-in cadence). The goal is to make deal flow generation a daily habit rather than a sporadic effort.
“The investors who complain about deal flow are almost always the ones who haven't invested in the long game. You don't get great deals by asking for them. You get them by being the person founders call before they've decided to raise.”
— Marcus Obi
The best deal flow isn't proprietary — it's earned. It comes from being genuinely useful, building a reputation over years, and creating a network effect where founders refer other founders to you because working with you made their company better. There are no shortcuts.
Marcus Obi
Marcus founded and exited Kora (acquired 2023) and has since built a portfolio of 18 angel investments. He advises founders on the transition from operating to allocating.