When a Small Business Should Hire an Accountant
The points at which doing the books and taxes yourself stops being the cheaper option, what each level of help covers, and how to tell what you need from what you are sold.
Reviewed by the Fairlight Accounting cross-border tax team — U.S. & Canadian Tax Desks
Hiring an accountant pays when the fee is less than the value of your time plus the cost of mistakes — and for many businesses that point arrives early: the first employee, an S election, inventory, or sales into other states. The question is how many rules the business now follows, and whether anyone watches them monthly.
On this page
What triggers the need?
| Trigger | Why it changes the answer |
|---|---|
| First employee or contractor | Payroll deposits, quarterly returns, 1099s, classification — each with its own penalty |
| S corporation election | Reasonable salary, payroll, a separate return, basis tracking |
| Inventory | Cost of goods sold, counts, methods, sales tax on goods |
| Sales in several states | Nexus, registrations, apportionment |
| A loan, a lease, or an investor | Financial statements in a form a third party will accept |
| Buying or selling a business or property | Structure and allocation decided before the contract |
| An IRS or state notice | Response deadlines and representation |
| Profit above a modest level | Planning that saves more than it costs |
What do the three levels cover?
- Bookkeeping. Monthly categorization, reconciliation, payroll and sales tax filings, and a close that produces a trial balance. This is the layer that prevents the year-end reconstruction.
- Tax preparation. The returns — entity and personal, federal and state — from closed books, with elections made and figures verified.
- Advisory. Projections, entity and compensation planning, cash flow, pricing, financing, and the decisions above; what a fractional CFO provides on a schedule.
Many businesses start with bookkeeping and tax, and add advisory when a decision is on the table.
What should you expect?
Fixed monthly or annual pricing for defined work; a written scope; a named contact; a document portal rather than email attachments; questions back to you about transactions the accountant cannot categorize; and a planning conversation before year-end, not just a return in April. What you should not expect is a guarantee against audit, or an accountant who will take positions you cannot support.
What should you ask before engaging?
Who does the work and who reviews it; what software the firm uses and whether you keep access to your data; how fees are set and what triggers a change; what happens when a notice arrives; and whether the firm has clients like you — same structure, same industry, same states. Every paid federal return preparer must have a current Preparer Tax Identification Number (PTIN), and professional credentials can be checked in the IRS Directory of Federal Tax Return Preparers with Credentials and Select Qualifications.
Frequently asked questions
Can I keep doing my own books and only hire for the tax return?
Yes, if the books are reconciled and categorized correctly; most preparers will price a cleanup separately if they are not.
Do I need a licensed professional?
For unlimited representation before the IRS — audits, collection, and appeals — the practitioner must be an attorney, a certified public accountant, or an enrolled agent; a preparer without one of those credentials who completes the IRS Annual Filing Season Program can represent clients only in limited matters on returns he or she prepared and signed. For bookkeeping, competence and process matter more than the license.
Is accounting software a substitute?
Software records transactions; it does not know whether a transaction was categorized correctly or whether an election was missed.
How do I know if the fee is reasonable?
Compare it to the time you would spend and to the penalties and missed deductions from the last year you did it yourself; our pricing page sets out what each service includes.
Official sources
The IRS explains: “Our Directory of Federal Tax Return Preparers with Credentials and Select Qualifications can help you find preparers in your area who currently hold professional credentials recognized by the IRS, or who hold an annual filing season program record of completion.” — Internal Revenue Service, Choosing a tax professional, https://www.irs.gov/tax-professionals/choosing-a-tax-professional
The IRS explains: “Except in a few cases, the law does not require any specific kind of records. You can choose any recordkeeping system suited to your business that clearly shows your income and expenses.” — Internal Revenue Service, Publication 583 (12/2024), Starting a Business and Keeping Records, https://www.irs.gov/publications/p583
Next step
Fairlight Accounting handles U.S. domestic, cross-border (U.S.–Canada), and international tax returns, plus bookkeeping, payroll, and CFO advisory. Our team scopes the work at a free fit call and quotes a fixed fee for it. See pricing or book a free fit call.
Cross-border taxes, handled in one place
U.S. and Canadian filings prepared together by our U.S. and Canadian Tax Desks.
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