Choosing a CPA is a business decision, not simply a tax-preparation purchase. Tax preparation looks backward: it takes last year’s records and turns them into returns. Year-round planning and advisory work looks forward: it asks whether your entity structure, payroll, estimated payments, and financial reporting are set up for the year you are actually about to have.
If you have searched “small business CPA near me” and landed on a dozen similar-looking websites, the difference usually does not show up in the sales pitch. It shows up in the answers to specific questions. This guide gives you 12 of them, along with what a good answer sounds like and how to check it yourself before you sign anything. It is written for owners of small businesses in Los Angeles and the South Bay, but the questions work for any California business.
A good CPA fit = Licensing + Relevant Experience + Review Process + Scope + Communication + Year-Round Planning + Written Engagement
Licensing | Experience | Review | Scope | Contact | Planning | Letter |
|---|---|---|---|---|---|---|
Active California license you can verify | Businesses like yours | Preparer and reviewer are different people | Defined in writing | Agreed channels and timing | Planning, not only filing | Signed before work starts |
The 12 questions below map to these seven parts. A firm does not need a perfect score on all of them, but a gap in any one should be an explained, deliberate gap rather than a surprise you discover in March.
Next step: Book a Discovery Call to talk through these questions with a California-licensed CPA-led team.
Most of the money-relevant decisions in a small business happen well before a return is prepared: choosing or changing an entity type, setting owner pay, timing equipment purchases, funding estimated tax payments, hiring employees or contractors, and expanding into another state. A CPA who first hears about these decisions when the return is due can only report them. A CPA who is in the conversation earlier can help you model them first.
That does not mean every business needs a full-time advisory relationship. A simple sole proprietorship may need a clean annual return and a mid-year check-in. A growing company with payroll, multiple owners, or inventory will usually need more contact than that. The point is to decide deliberately, and to find out what a firm will and will not do between filing seasons before you hire it.
Different firms also draw the line differently between compliance work, such as tax filing and compliance, and forward-looking work, such as tax planning and strategy. Neither is automatically better. What matters is that you know which one you are buying.
Each question below includes why it matters, what a good answer sounds like, and a way to verify the answer. Take notes during calls so you can compare firms on the same criteria.
Why it matters: “CPA” is a licensed credential in California, and the license is publicly verifiable. A license is a baseline, not a guarantee of quality, so treat it as the first filter rather than the last.
A good answer: The CPA gives you a license number or name to search and does not hesitate.
How to verify: Search the California Board of Accountancy License Lookup. It shows license type and number, whether the license is current (for example, “Clear”), and whether discipline or restrictions exist. The CBA also publishes enforcement documents separately.
Why it matters: A restaurant, a medical practice, a dropshipping brand, and a real estate investor each have different tax, payroll, and reporting issues. General competence does not always translate to your industry.
A good answer: Specific, relevant examples described without revealing client names, plus an honest note on what the firm does not typically handle.
How to verify: Ask what share of their clients are in your industry and size range, and what unusual issues they see most often. Be cautious of answers that are all generalities.
Why it matters: Sole proprietorships, partnerships, LLCs, S corporations, and C corporations each involve different returns and compliance. Your entity may also need to change as the business grows.
A good answer: The CPA can explain which forms and filings your current entity requires, and when it is worth reviewing the structure.
How to verify: Name your entity and ask which federal and California returns the firm would prepare for it, and who would raise an entity review if one were warranted.
Why it matters: A return prepared by one person and reviewed by another is more likely to catch errors than a return that is prepared and filed by the same hands. Paid preparers must also sign the returns they prepare.
A good answer: A defined preparation and review process, with a named reviewer and an explanation of who signs.
How to verify: Ask for the roles involved and whether any work is outsourced, including to offshore teams. The CBA suggests asking this directly, along with how your information is protected.
Why it matters: Planning is where most of the controllable tax decisions live. A firm that only prepares returns may be a perfectly good choice, but it should say so plainly.
A good answer: The firm describes specific planning touchpoints, such as a mid-year projection and a pre-year-end review, and says what is included versus billed separately.
How to verify: Ask what the first planning conversation would cover and when in the year it would happen. Then ask for those touchpoints in the engagement letter.
Why it matters: Accurate returns depend on accurate books. Bookkeeping is a separate service from CPA-licensed work, and a bookkeeper is not necessarily a CPA, so know who is responsible for your records.
A good answer: A clear list of what the firm needs, in what format, and by when. If the firm also offers bookkeeping, it explains how that service is scoped separately.
How to verify: Ask what happens if records are late or incomplete. If you need help with books, see how the firm handles bookkeeping and financial management and who is accountable for each piece.
Why it matters: Most disputes come from mismatched expectations. “Taxes” can mean one federal return, or federal, state, payroll filings, sales tax, and planning.
A good answer: A written list of included services and excluded services, including how out-of-scope requests are quoted.
How to verify: Ask for the scope in writing and compare it with what you assumed you were buying. Ask specifically about payroll filings, sales tax, and amended returns.
Why it matters: A CPA who is hard to reach in July is not much help when you need to decide something in July. Communication is a service, and it should be defined like one.
A good answer: Defined channels, a stated response window you can hold them to, and named contacts. Be careful with unconditional promises of instant replies.
How to verify: Ask how clients reach the firm, who responds, and what the usual timing is. Ask a few of the firm’s clients if they are willing to share their experience.
Why it matters: You will be sending financial statements, payroll records, and identification numbers. How they are transferred and stored is part of the service.
A good answer: A secure client portal or encrypted transfer, access controls, and a plain explanation of what happens to your data if you leave.
How to verify: Ask whether the firm accepts documents by regular email, where files are stored, and who can access them.
Why it matters: Fees depend on scope, complexity, and volume. A low headline number can hide add-ons. The IRS also warns about preparers who base fees on a percentage of a refund.
A good answer: A fee structure you understand (fixed, hourly, or monthly), with extra charges listed in advance.
How to verify: Ask for a written fee estimate tied to the scope from Question 7. See the IRS guidance on choosing a tax return preparer for fee-related warning signs.
Why it matters: Notices can arrive months after filing, and replies often have short deadlines. Representation before the IRS depends on credentials: attorneys, CPAs, and enrolled agents can represent taxpayers in all IRS matters.
A good answer: The firm explains how notices are triaged, who responds, and whether notice help is included or billed separately.
How to verify: Ask whether notice response is in the engagement letter and what the process is when you forward a notice. Ask whether the firm will handle California Franchise Tax Board correspondence as well as IRS letters.
Why it matters: An engagement letter turns a conversation into an agreement. Without one, scope, fees, and responsibilities live only in memory.
A good answer: Yes, before work begins, and without pressure to sign immediately.
How to verify: The CBA recommends getting written documentation of the work scope, the personnel involved, any outsourcing, data security measures, and cost. See its guidance on how to select a CPA.
Use this table during consultations. Score each firm on the same rows.
Question | Good answer | Red flag | How to verify |
|---|---|---|---|
1. CA license | License number given freely | Won’t share or can’t be found | CBA License Lookup |
2. Similar businesses | Relevant examples, honest limits | “We do everyone” with no specifics | Ask for industry and size mix |
3. Entity types | Names the returns your entity needs | Vague on forms and filings | Walk through your entity’s filings |
4. Prepare and review | Named preparer and reviewer | One person does everything | Ask for roles and who signs |
5. Planning vs prep | Defined planning touchpoints | Planning promised, never scheduled | See touchpoints in the letter |
6. Bookkeeping needs | Clear list, format, deadlines | “Send whatever you have” | Ask who owns the records |
7. Scope | Included and excluded in writing | Verbal-only scope | Compare scope to your assumptions |
8. Communication | Channels and response window | No named contact | Ask how clients reach the firm |
9. Security | Secure portal, access controls | Sensitive files sent by plain email | Ask where files are stored |
10. Pricing | Fee tied to scope; extras listed | Price quoted before scope; refund-based fees | Written fee estimate |
11. IRS/FTB notices | Defined notice process | No plan for notices | Check the engagement letter |
12. Engagement letter | Provided before work begins | No letter, or pressure to sign now | Read it in full first |
Next step: Book a Discovery Call if you would like to run this scorecard against NexusWorks.
Some warning signs justify walking away, even if the price is attractive.
No single item proves a firm is a bad choice, but each one is a reason to ask follow-up questions in writing.
Whether a CPA sits in your city matters less than whether the firm is licensed, experienced with your situation, and reachable. Each model has real trade-offs.
In either case, verify that the CPA is authorized to practice in California. The CBA notes that a “no results” response for an out-of-state license does not by itself mean a person lacks authorization, so if a CPA says they are licensed elsewhere, ask how they are authorized to serve California clients.
Whichever model you choose, check how the firm handles larger needs as you grow, such as financial advisory and optimization or part-time finance leadership through fractional CFO services.
NexusWorks supports small businesses in Los Angeles and the South Bay with services led by California-licensed CPAs. Engagements follow a simple sequence, so you know what to expect before anything is signed:
You can compare this process with the 12 questions above, or review the small business CPA services page for more detail.
The best fit is rarely the cheapest or the closest. It is the firm whose license you can verify, whose experience matches your business, and whose process you can see in writing. Use the scorecard, compare at least two firms on the same questions, and read the engagement letter before you sign.
Editorial placeholders for related reading: [Link to Blog 50 once the URL is confirmed], [Link to Blog 51 once the URL is confirmed], [Link to Blog 60 once the URL is confirmed].
Next step: If you would like to talk through your situation, Book a Discovery Call or contact NexusWorks.
Verify the CPA’s California license, confirm experience with businesses like yours, and ask who prepares and reviews your work. Then compare scope, communication, pricing, and the written engagement letter across at least two firms.
Use the California Board of Accountancy’s License Lookup. It shows license type, number, status, and whether discipline or restrictions exist. The CBA also publishes enforcement documents separately.
Fees vary with scope, complexity, and volume. Common structures include fixed fees, hourly rates, and monthly retainers. Ask for a written estimate tied to a defined scope, and ask what is billed separately.
At minimum: the scope of work, who will perform it, whether any work is outsourced, how your information is protected, and what you will pay. The CBA recommends getting these in writing before work begins.
Preparation reports what has already happened by filing returns. Planning looks ahead at decisions such as entity structure, owner pay, and estimated payments. Ask a firm which it provides and what is included.
