7 Questions to Ask Before Buying a New Accounting Firm

2026-08-21

Thinking of buying an accounting firm? Ask these 7 questions first to avoid costly mistakes and ensure a smooth transition.

Buying an existing accounting firm can be a smart way to grow your practice quickly, but it comes with risks. Before you sign any agreement, you need to dig into the details. This guide walks you through seven critical questions to ask, so you can make an informed decision and avoid surprises after the deal closes.

1. Why is the seller really selling?

The seller’s reason for selling matters more than you might think. If they are retiring, that’s one thing. If they are selling because the practice is declining or they have compliance issues, that’s a red flag. Ask directly, and also look for clues: Are client numbers stable? Are revenues flat or dropping? Request three years of financial statements and tax returns to verify the trend. If the seller is vague or defensive, consider it a warning sign.

2. What is the client mix and concentration risk?

You need to know who the clients are and how dependent the firm is on a few big accounts. Ask for a breakdown by industry, size, and revenue contribution. If one client makes up more than 15% of total revenue, that’s a concentration risk. If the client base is heavily weighted toward one industry, a downturn in that sector could hurt. Also, check the age of the client relationships: long-term clients are more likely to stay after a change in ownership.

3. How are fees structured and what is the billing realization rate?

Understand how the firm bills: hourly, fixed fee, or value-based. Get a sample of client invoices to see what they actually pay versus what is billed. The realization rate (billed vs. collected) should be at least 90%. If it’s lower, you may have collection issues or chronic underbilling. Also, ask about fee increases: when was the last time they raised rates? If it’s been years, you may be leaving money on the table, but raising rates too quickly could drive clients away.

4. What is the state of the firm’s technology and workflows?

You don’t want to inherit outdated software that requires a costly overhaul. Ask what tax preparation software, practice management tools, and client portals they use. If they are on legacy systems, factor in the cost and time to migrate. Also, ask about their document storage: are files digital or paper? A paper-heavy practice will take extra effort to digitize. Get a list of all software subscriptions and their monthly costs, so you can budget for the transition.

5. Who are the key employees and will they stay?

Your new firm’s success often depends on the staff. Ask about the team: their roles, tenure, and compensation. Are any of them planning to leave? If the seller is the only one with client relationships, you’ll need a transition plan. Consider offering retention bonuses to key staff, but only after you’ve assessed their skills and fit. Also, check for any non-compete or non-solicit agreements that might restrict you from hiring them.

6. What is the real value of the client list?

A client list is only worth what it generates in future revenue. Ask for a list of all clients with their annual fees and the type of services they use. Verify that these clients are active and not just names on a spreadsheet. Look at the churn rate: how many clients have left in the past two years? If the firm has lost 20% of its clients annually, that’s a problem. Also, consider the demographics: if many clients are nearing retirement, their businesses may wind down soon.

7. What are the terms of the transition and earn-out?

Most accounting firm sales include a transition period where the seller stays on for a few months to introduce you to clients. Ask how long that period is and what the seller’s role will be. Also, negotiate an earn-out: a portion of the purchase price tied to future revenue retention. A typical earn-out might be 20% to 30% of the total price, paid over two to three years if the clients stay. Make sure the terms are clear and achievable, and that you have a way to verify the numbers.

FAQ

Q: How much does it cost to buy an accounting firm? A: Prices vary widely, but a common rule of thumb is 100% to 150% of annual gross revenue. For a firm generating $500,000 in revenue, expect to pay $500,000 to $750,000. Small firms may sell for less, while larger, specialized practices can command higher multiples.

Q: Can I finance the purchase? A: Yes, many buyers use a combination of cash, bank loans, and seller financing. The SBA 7(a) loan program is a popular option, with down payments as low as 10% to 20%. Seller financing often covers 20% to 30% of the price, with terms of three to five years.

Q: How long does the transition take? A: A typical transition period lasts three to six months, but it can be longer for larger firms. The seller should introduce you to all clients, help with the handover of files, and be available for questions. Some deals include a one-year consulting arrangement.

Q: What if I discover problems after the purchase? A: That’s why due diligence is critical. Include representations and warranties in the purchase agreement that protect you from undisclosed liabilities. You can also hold back a portion of the purchase price for 12 months to cover any issues that arise.

The bottom line

Buying an accounting firm can accelerate your growth, but only if you ask the right questions. Focus on the seller’s motivation, client concentration, fee structure, technology, staff, client list quality, and transition terms. Do your due diligence, get professional help from a lawyer and an accountant, and negotiate a deal that protects you. With careful planning, you can turn this acquisition into a profitable addition to your practice.