Every investor will tell you they do thorough due diligence before writing a check. Very few will show you exactly what that process looks like. The frameworks stay internal — passed around analyst teams, refined over dozens of deals, and rarely published in a form that’s actually useful to the operators and founders on the other side of the table.
That asymmetry matters. If you’re a founder preparing for fundraising, a fractional executive evaluating a new engagement, or a business development team assessing a potential partnership, you’re guessing at what the other side is actually looking for. A proper due diligence report covers far more than most people realize, and the gaps in your preparation are where deals fall apart.
This article gives you the checklist — the actual research categories and questions that institutional investors use when evaluating market opportunities. Use it to prepare your own due diligence research, audit existing analysis, or understand what a thorough market assessment actually requires.
The Six Pillars of Market Due Diligence
Market due diligence is distinct from financial due diligence or legal due diligence, though they all feed the same investment decision. Market due diligence answers one question: is this a market worth being in? Here’s how serious investors break that down.
1. Market Sizing and Growth Trajectory
This is the TAM/SAM/SOM analysis — but the investment-grade version. Investors want to see multiple methodologies (top-down and bottom-up) that converge on similar numbers. They look for:
- Total market size with clear boundary definitions
- Historical growth rates over 3 to 5 years minimum
- Projected growth rates with the assumptions behind them
- Market segmentation by geography, customer type, and product category
- Identification of which segments are growing fastest and why
The key question isn’t “how big is the market?” — it’s “is this market growing fast enough to support the return thesis?” A $10 billion market growing at 3% tells a very different story than a $500 million market growing at 40%.
2. Competitive Landscape Analysis
This is where most self-directed due diligence research falls short. A competitive landscape analysis that just lists competitors and their features misses the strategic dynamics that actually determine outcomes. What investors want to understand:
Market structure. Is this a concentrated market with two or three dominant players, or a fragmented market with hundreds of small competitors? Fragmented markets present different opportunities and risks than concentrated ones.
Competitive positioning. Where does each significant player sit on the dimensions that matter — price, quality, specialization, geographic coverage, customer segment? A competitor profiling exercise should reveal gaps in the market that represent real opportunities, not just whitespace on a positioning map.
Competitive benchmarking. How do the top players compare on measurable dimensions — revenue growth, customer acquisition costs, retention rates, pricing power? This isn’t always available from public sources, but the attempt to quantify competitive dynamics separates serious analysis from surface-level overviews.
Switching costs and moats. What keeps customers with their current provider? High switching costs protect incumbents. Low switching costs create opportunity for disruptors. Understanding this dynamic tells you more about competitive intensity than any feature comparison matrix.
Emerging competitors. Who’s entering the market? What adjacent players could expand into this space? The competitive intelligence report that only looks backward misses the threats and opportunities that matter most.
3. Customer and Demand Analysis
Understanding the competitive landscape tells you about supply. Demand analysis tells you about the buyers. Investor-grade due diligence examines:
Customer segmentation. Who buys this product or service? How do different segments differ in purchase behavior, price sensitivity, and lifetime value? The market entry analysis should identify which customer segments are underserved and why.
Purchase drivers and decision-making process. What triggers a purchase? Who’s involved in the decision? How long is the sales cycle? These questions determine whether a go-to-market strategy is realistic, and they’re answerable through primary research and competitive analysis.
Customer concentration risk. Is the market dependent on a small number of large buyers? High customer concentration means high risk — losing one client can be catastrophic. Investors pay close attention to this in their investment research reports.
Demand trends. Is demand driven by cyclical factors, secular trends, or regulatory requirements? Secular trends (like digital transformation or regulatory complexity) create more durable demand than cyclical drivers tied to economic conditions.
4. Sector Analysis and Industry Dynamics
Beyond the immediate competitive landscape, what are the structural forces shaping this industry? This pillar of the due diligence report examines:
Regulatory environment. What regulations affect this market? Are they tightening or loosening? Regulatory change is one of the most powerful forces in market dynamics — it can create entirely new categories or destroy existing business models overnight.
Technology trends. What technologies are changing how value is created and delivered in this sector? A thorough sector analysis identifies which technology shifts are real threats versus noise, and how quickly they’re likely to impact the market.
Supply chain and input dynamics. What are the key inputs (talent, materials, technology, data) and how stable is the supply? Concentrated supply chains create vulnerability. Understanding these dynamics is part of any serious market entry research.
Industry lifecycle. Is this an emerging, growing, mature, or declining industry? Each stage has different competitive dynamics, margin profiles, and investment implications. Misreading the lifecycle stage is one of the most expensive mistakes in investment analysis.
5. Risk Assessment
Every market has risks. The quality of a due diligence report shows up in how honestly and specifically it identifies them. Sophisticated investors look for:
Market risk. Could demand decline materially? What would cause it? How sensitive is the market to economic cycles, technology disruption, or consumer behavior shifts?
Competitive risk. Could a large, well-resourced competitor enter this market and compress margins? Are there network effects or scale advantages that make the competitive dynamics likely to consolidate toward fewer, larger players?
Regulatory risk. Could regulatory changes fundamentally alter the economics of this market? This is especially relevant in healthcare, financial services, education, and any data-intensive industry.
Execution risk. Is the market opportunity dependent on specific technical, operational, or talent capabilities that are scarce or unproven? Market due diligence should honestly assess whether the opportunity is executable, not just attractive.
6. Strategic Implications and Recommendations
The final pillar transforms analysis into action. This is what separates a useful due diligence report from an academic exercise. It should answer:
- Given the market dynamics, what strategic positioning offers the best risk-adjusted opportunity?
- What are the critical success factors for market entry or expansion?
- What are the key milestones and decision points over the next 12 to 24 months?
- What would need to be true for this investment thesis to fail?
The last question is the most important one. Investors who actively look for reasons their thesis might be wrong make better decisions than those who only seek confirmation. A competitive analysis framework that includes disconfirming evidence is more credible than one that only presents the bull case.
How to Use This Checklist
If you’re preparing for investor due diligence, work backward from this checklist. Identify where your knowledge is strong, where you have data gaps, and where you’re relying on assumptions you can’t defend. The gaps are where you’re most vulnerable in the diligence process.
If you’re commissioning due diligence research for your own decision-making — whether that’s entering a new market, evaluating an acquisition target, or assessing a partnership opportunity — use this framework to scope the work. Not every situation requires all six pillars at full depth, but knowing what a complete analysis looks like helps you make deliberate choices about where to go deep and where a lighter touch is sufficient.
If you’re a fractional executive stepping into a new engagement, this checklist doubles as an onboarding framework. Understanding the market your client operates in — competitive dynamics, growth trajectory, customer segments, regulatory environment — is the foundation for every strategic recommendation you’ll make. Knowing how to do competitive analysis systematically — rather than starting from scratch every time — is what separates the fractional executives who ramp fast from those who spend their first month just getting oriented.
The Bottom Line
Due diligence isn’t a one-time event. The best investors and operators treat it as an ongoing discipline — continuously updating their understanding of market dynamics as new information emerges. Competitive intelligence, at its core, is exactly this: the ongoing process of monitoring, analyzing, and acting on market signals before your competitors do.
Now look at the checklist above and be honest about the time commitment. Covering all six pillars with real rigor — not surface-level summaries, but the kind of analysis that holds up when an investor or board member pushes back — takes serious hours. Hours that most founders, executives, and deal teams don’t have, especially when they’re juggling the work the research is supposed to inform.
That’s the real question: is building this analysis the best use of your time, or should someone who does this every day handle it so you can focus on the decisions that actually move your business forward?
Dossier Intel builds due diligence reports and competitive intelligence packages to institutional standards — delivered in days, not weeks, at a price built for operators, not enterprises. See our research packages →