What Due Diligence Looks Like at Top Tier VCs

The best venture firms in the world — Andreessen Horowitz, Sequoia, Benchmark — have systematic diligence processes that most angels and solo GPs don't replicate. Not because they have more money, but because they have infrastructure: analysts, databases, operator networks, and pattern recognition from hundreds of deals per year.

Understanding how top funds do diligence is useful even if you're not at that level. It tells you what signals matter, what questions to ask, and where the gaps are in your own process.

This is what a top-tier VC diligence process actually looks like.

The Standard Process

Most top-tier funds follow a similar structure:

1. Sourcing filter — The deal comes in through a warm referral, a partner network, or proactive sourcing. Cold inbound almost never gets past first base.

2. First call (30-60 min) — Initial screen with a principal or associate. Checks founder quality, market thesis, and whether the deal fits the fund's thesis. No deep dive yet.

3. Second call or meeting (60-90 min) — If first call passes, a partner takes the meeting. Deeper on product, competition, and business model. Partner forms a hypothesis.

4. Deep dive (1-2 weeks) — If partner is interested, analysts do the work: market research, customer references, technical assessment, financial model. This is where most of the diligence happens.

5. Partner meeting — Full partnership discussion. Each partner presents their view. Debate happens.

6. Decision — Yes, no, or terms negotiation.

The actual time invested per deal varies widely. A hot deal that a partner is excited about might get fast-tracked. A more complex deal might spend 3 weeks in deep dive.

What Top Funds Actually Check

The best funds have built systematic checks across 8 categories:

Market: TAM analysis, market growth rate, timing factors, buyer behavior. They often have proprietary market data or operator relationships that let them verify claims quickly.

Product: Technical deep dive on architecture, differentiation, and defensibility. Often involves a technical partner or external advisor.

Team: Extensive background verification — not just LinkedIn, but reaching out to former colleagues, checking academic claims, verifying previous outcomes.

Customers: At least 3-5 reference calls, often arranged through warm networks. They want to understand implementation, churn, and expansion.

Competition: Detailed competitive landscape mapping. Not just who else is doing this, but who could pivot into this space and win.

Financials: Full data room review — revenue, burn, model, cohort retention. They know what healthy looks like for each stage.

Legal: Cap table review, IP ownership, existing deals, litigation history.

Thermometer: Partner gut check — does this feel like the kind of company that can actually execute on the thesis?

The Gap for Solo GPs and Angels

Here's the uncomfortable truth: the average angel investor or solo GP can't replicate the top-tier VC process. They don't have analysts, they don't have proprietary data relationships, and they don't have the pattern recognition that comes from seeing hundreds of deals per year.

What they usually do instead:

First pass: 30-minute call, gut check, vibes. If it passes that, they move to reference calls.

Reference calls: 2-3 calls with customers or industry contacts. Often these are warm references provided by the founder, which limits their value.

Decision: Based on gut, pattern matching, and conviction on the founder.

The problem with this approach is that reference calls provided by the founder are selection-biased. You only hear from people the founder thinks will say good things.

The Soloanalyst Gap

Soloanalyst was built to fill this specific gap: giving solo GPs and angels access to the same signal verification that top-tier VC analysts provide, without requiring a full analyst team.

The core function is cross-verification: taking a company URL and returning a structured view of what public data actually says about the team, the funding history, the product signals, and the market positioning.

This is not a replacement for judgment. It's a replacement for the manual research that used to make first-pass diligence slow and inconsistent.

With Soloanalyst, a solo GP can go from first deal inbox to a structured signal report in under 20 minutes — the same first-pass quality that used to require an analyst team.

What to Optimize For

The goal isn't to replicate top-tier VC diligence. The goal is to build a process that gets you to good decisions faster.

What top funds optimize for: Avoiding the big miss. They can afford to pass on good deals because they have capital and deal flow. Their edge is in not losing money on bad ones.

What solo GPs and angels should optimize for: Finding the deals that fit their specific thesis and moving on them with conviction. They're not managing a $500M fund — they have different constraints and different opportunities.

The framework is: build a fast first-pass process that catches the obvious problems, then do deep work only on deals that pass the filter. Use tools to make the first pass consistent and fast, preserve human judgment for the decisions that matter.