When you’re buying an existing business, the right questions can save you from hidden debt, overvalued assets, or customers who vanish the moment the deal closes. Skip the hard questions, and you risk overpaying, or worse, inheriting someone else’s problems.
This guide breaks down the 13 essential questions to ask when buying a business (or purchasing a company). You’ll learn how to:
- Spot financial red flags before you sign
- Gauge whether customers, employees, and systems will stick around
- Understand legal, tax, and deal structure risks
- Plan for growth, integration, and long-term fit
If you’re still exploring whether this path is right for you, see our complete guide to buying a business for a step-by-step overview of the process.
Want a quick reference? Download our free one-page Business Buying Questions Checklist to take these questions with you.
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Why asking the right questions matters
A Harvard Business Review analysis found that 70% to 90% of business acquisitions fail to meet expectations, usually because buyers don’t dig deeply enough during due diligence. Thus, acquisitions fail more often than you think.
Asking the right questions forces the seller to give transparent answers, uncovers risks you might not spot in the financials, and reveals whether the business really fits your long-term goals.
1. Is the business financially healthy?
The first set of questions to ask when buying a business should always focus on financials. Look at revenue trends, profit margins, cash flow, and debt.
- What’s the business’s EBITDA (earnings before interest, taxes, depreciation, and amortization)?
- Are there “add-backs” the seller is claiming to inflate profit, and are they legitimate?
- Is cash flow stable, seasonal, or declining?
If you’re new to this process, start by learning how to value a business and use financial ratio analysis to spot hidden risks. You may also use our business valuation calculator to estimate fair market value and compare it against the seller’s asking price.
2. Can the business run without the seller?
One of the most important questions to ask when buying a company is how dependent it is on the current owner. If the seller is deeply involved in day-to-day operations, you may find yourself buying a job rather than a business. Look closely at:
- Systems and processes: Are there documented workflows for sales, customer service, inventory, and billing, or is everything “in the owner’s head”?
- Decision-making: Who approves purchases, negotiates with suppliers, or resolves customer issues? If it’s always the seller, you’ll need a plan to delegate those responsibilities.
- Technology and tools: What software or platforms keep the business running, and are they scalable for growth?
A healthy business should have systems and staff in place that allow it to function independently of the owner. If not, you may face a steep learning curve or discover that revenue drops once the seller steps away.
3. Who’s actually keeping the business running?
A business isn’t just numbers on a balance sheet — it’s composed of people. When you’re purchasing an existing business, one of the most overlooked but critical areas of due diligence is the workforce. Ask about:
- Key employees: Identify the staff who hold critical knowledge or customer relationships. Losing them could mean losing revenue.
- Turnover trends: High turnover rates may indicate deeper issues with compensation, management, or organizational culture.
- Contracts and benefits: Are employees under enforceable contracts? What obligations will you inherit around wages, healthcare, or retirement plans?
A loyal, skilled team can make your transition seamless. But if the success of the business rests on one or two employees who might leave after the sale, you need a backup plan or leverage to negotiate a lower price.
4. Where is the revenue coming from, and will it stick?
Not all sales are created equal. When buying an existing business, you need to understand not just how much revenue the company generates, but how reliable that revenue really is.
Key questions to ask include:
- Customer concentration: Does one client or account make up 30% to 40% of sales? If so, what happens if they leave?
- Customer mix: Is the business selling to other businesses (B2B) or consumers (B2C), and how does that affect sales cycles?
- Order size and frequency: Are sales one-off, seasonal, or recurring subscriptions?
- Churn rate: How many customers walk away each year, and why?
📊 Customer Snapshot Example:
- 65% recurring contracts (predictable income)
- 20% seasonal sales (holiday boost)
- 15% one-off projects
This percentage breakdown shows whether revenue is durable or vulnerable to shocks. A renewing customer base is more valuable than one built on one-time deals.
Go deeper and read our guides on customer retention:
5. Are there legal landmines lurking?
Even if the financials look solid, legal issues can turn a promising deal into a costly mistake. When purchasing an existing business, you need to dig into every contract, license, and liability. Make sure to review these key areas:
- Pending lawsuits or disputes: Are there active cases or threats of litigation that could carry over after you buy?
- Compliance and permits: Does the business have all the licenses required to operate in its industry and location?
- Intellectual property: Who owns the trademarks, copyrights, patents, and website domains — and are they included in the sale?
- Contracts and leases: Are vendor agreements, customer contracts, or property leases transferable to you as the new owner?
Overlooking legal and compliance risks is one of the most common mistakes buyers make. A small overlooked clause in a lease or vendor contract can end up costing you thousands down the line.
Don’t overlook insurance when reviewing legal risks. The right coverage can protect you from liabilities you inherit after purchase. Compare affordable options with Simply Business.
6. Why is the seller really selling, and will they help you?
Of all the questions to ask when purchasing a company, this one might be the most revealing. Sellers will often give a polite answer, such as “I’m retiring,” or “I want to pursue other interests,” but the real motivation can uncover hidden risks.
Ask directly:
- Is the market shrinking? A business may look profitable today, but could be in decline.
- Is the seller burned out or running from problems? High turnover, key customer losses, or looming competition might be driving the sale.
- What support will they provide post-sale? Will the seller introduce you to customers and vendors, or are you on your own?
It’s also critical to know the transition plan:
- How long will the seller stay involved?
- Will they train your team or provide consulting after the handover?
- Is there a written agreement (with clear timelines and expectations) for their role after closing?
A seller who is cooperative and invested in your success can make the transition smooth. A seller who disappears the day after the deal closes could leave you scrambling to fill gaps.
7. What’s the upside, and what could go wrong?
When evaluating an acquisition, you need to weigh both the growth potential and the risks. This is because buying a business isn’t just about what it looks like today; it’s about what it could become tomorrow. Make sure to ask yourself:
- Market potential: Is the industry growing, stable, or shrinking? A business in a declining sector may require heavy reinvention to survive.
- Scalability: Can you expand to new locations, launch new products, or serve more customers without costs ballooning?
- Competitive threats: Are new players entering the market, or is the business already losing ground to competitors?
- Dependence on trends: Is revenue tied to a short-term fad, or is it backed by steady long-term demand?
Strategic fit also matters. Even if the numbers look good, does the business align with your goals, experience, and risk tolerance? A company with growth potential but high operational complexity may not be the right match if you’re looking for a semi-passive investment.
8. What digital or tech risks should you care about?
Technology isn’t just a back-office detail anymore. It’s central to whether a business runs smoothly or becomes a liability. When buying an existing business, you need to look beyond financials and ask what digital tools, data, and risks you’re inheriting. Ask these key questions:
- Critical systems: What software subscriptions (CRM, accounting, POS, ecommerce platforms) are essential to daily operations? Are they transferable to you?
- Cybersecurity: Has the business ever had a data breach? Have security audits or penetration tests been done? How is customer data stored and protected?
- Licenses and ownership: Are the software licenses owned outright, or just rented under the seller’s name? Will you need to repurchase or renegotiate them?
- Tech debt: Is the business running on outdated systems that will require costly upgrades?
Digital due diligence is becoming as important as financial review. A company may appear healthy, but could be running on insecure systems that put customer trust and your investment at risk.
9. Does this business align with your long-term vision?
Numbers tell part of the story, but culture and values can make or break your success after purchasing a company. A business that looks profitable on paper may still be a bad fit if its way of operating clashes with yours or if its reputation doesn’t align with modern customer expectations. Here are some questions to ask:
- Employee culture: How do staff describe the workplace? Are morale and engagement high, or are employees just “getting by”?
- Values alignment: Does the company’s mission and day-to-day behavior fit with your own principles and leadership style?
- ESG practices (environmental, social, governance): Are there sustainability initiatives, community programs, or diversity policies in place? Do customers or partners expect them?
- Reputation: How is the business viewed by customers, suppliers, and the local community?
Cultural fit isn’t just about feeling good. It affects employee retention, customer loyalty, and even brand value. If you ignore it, you may end up spending more time fixing internal problems than growing the business. Learn more and read our guide on building company culture.
10. What’s the 100-day plan after closing?
Buying a business doesn’t end the day you sign the purchase agreement; it begins there. Smooth integration during the first few months is critical to keeping employees, customers, and vendors on board.
- Knowledge transfer: What’s the plan for transferring key information (systems, passwords, vendor relationships, customer history) from the seller to you?
- Staff continuity: How will you reassure employees and prevent turnover during the transition?
- Customer communication: What message will go out to customers so they know operations will continue without disruption?
- Quick wins: Are there improvements (like updating tech or streamlining workflows) you can implement early without rocking the boat?
Many buyers create a 100-day post-close plan that outlines priorities, from stabilizing operations to building relationships and spotting growth opportunities. This roadmap helps you avoid surprises and ensures the business doesn’t lose momentum during the handover.
11. Is this an asset sale or a stock sale?
The way a deal is structured can be just as important as the price you pay. When you’re buying an existing business, you’ll typically encounter two options: asset sale or stock sale, and each comes with different risks and tax implications.
- Asset sale: You buy specific assets (equipment, inventory, intellectual property, customer lists) and often avoid many of the seller’s liabilities. This structure can offer cleaner protection for buyers.
- Stock sale: You purchase the seller’s shares, essentially stepping into their shoes. You get the whole business, including contracts, employees, and existing debts.
Make sure to ask these questions:
- Which structure does the seller prefer, and why?
- How will each option affect taxes for both buyer and seller?
- Are there liabilities (like loans or pending lawsuits) that you would inherit in a stock sale?
- Will the structure affect contracts, licenses, or permits from transferring smoothly?
Deal structure can also impact financing options. Some lenders may prefer asset purchases, where collateral is easier to define. For financing guidance, see our resources on 401(k) business funding and how to get a loan to buy a business.
If you’ll need financing to close the deal, try Lendio. With one quick application, you can compare loan offers from multiple lenders and find the best fit for your business purchase.
12. What do customers really think?
A business might look good on paper, but customer perception tells you whether revenue will keep flowing once you take over. Digging into sentiment and competitive position can reveal risks the financials don’t show.
Questions to ask about customer sentiment:
- What’s the Net Promoter Score (NPS), and has it changed over time?
- Are reviews trending positive or negative on Google, Yelp, or industry platforms?
- Has customer satisfaction declined due to service, product quality, or staffing issues?
You can go further by running customer satisfaction surveys, learning how to measure customer service, and applying proven tips to improve customer satisfaction if you identify weak spots.
13. How does the business compare to competitors?
Even if a company looks profitable today, its competitive position determines whether it can stay that way. Benchmarking the business against its top rivals gives you context on pricing power, market share, and long-term sustainability.
- How do its prices compare with those of the two closest competitors?
- Does it compete on service, speed, quality, or cost, and is that position sustainable?
- Is the business gaining or losing market share?
- What’s the unique selling proposition (USP) that keeps customers choosing this company over others?
Frequently asked questions (FAQs)
The most important question is: Why is the seller selling? It often reveals hidden issues, such as declining markets, key employee departures, or financial stress.
Always cross-check with tax returns, bank statements, contracts, and third-party advisors. Don’t take their word at face value.
Keep an eye on signs of declining revenue, high customer concentration, pending lawsuits, outdated systems, and unwillingness to provide documentation.
At minimum: three to five years of financial statements, tax returns, contracts (leases, suppliers, customers), employee agreements, IP filings, and compliance records.
Bottom line
Buying an existing business can shortcut your path to entrepreneurship, but only if you ask the right questions. By covering financial health, operations, employees, customers, legal issues, technology, and cultural fit, you’ll protect yourself from costly surprises.
I highly recommend bringing in experts such as accountants, attorneys, and M&A advisors. These professionals can save you far more than they cost. The key here is not to rush. The right questions today are the difference between a profitable acquisition and a business you regret buying.
