Skill-Based Businesses · Online Businesses · Customer-First Business Ideas

Bookkeeping services

Estimate

Record transactions, reconcile accounts and produce simple monthly reports for small businesses. Bookkeeping itself needs no license, but preparing tax returns for pay requires an IRS PTIN.

Cash to start (upfront + working capital)

Not verified

Ongoing costs per month

Not verified

Time

Part-time possible, ~5+ hrs/week

What it costs to start

Amounts are itemized estimates. “Not verified” means we don’t have a defensible figure; it is not $0.

ItemTypeEstimate
Accounting software for your own practice
Clients often hold their own subscriptions; accountant or partner programs and free tiers vary by provider.
Initial setupNot verified
Bookkeeping course or certificationOptional
Not required by law; costs vary widely by provider.
Initial setupNot verified
Business registration
Varies by city and state; check your local requirements.
Initial setupNot verified
Professional liability (errors and omissions) insurance
Commonly recommended because mistakes can cost clients money; get quotes.
Initial setupNot verified
Secure file sharing and password manager at free or low tiersOptional
Free tiers can work at first; protecting client financial data is essential.
Initial setup$0–$20
Upfront costs (required)Not verified
Working capitalNot verified
Optional extras$0–$20

Ongoing costs

ItemPer month
Software subscriptions
Depends on whether you or clients pay for accounting tools.
Not verified
Professional liability insuranceNot verified

What you need

  • Computer
  • Reliable internet
  • Accounting software access
  • Secure storage for client records
  • Helpful: IRS PTIN, only if you prepare tax returns for pay — Not needed for bookkeeping alone. Anyone who prepares or helps prepare federal tax returns for compensation must have a PTIN.

Licensing: Bookkeeping generally needs no professional license, though a general business license may apply. Preparing or helping prepare federal tax returns for pay requires a Preparer Tax Identification Number (PTIN) from the IRS, and only licensed CPAs may call themselves CPAs. Some states have additional rules for paid tax preparers.

Skills that help: Accounting or administration, Operations and management, Customer service.

Time: Monthly close work clusters at month-end; tax season brings extra client questions.

Typical customer: Sole proprietors, small service businesses, contractors, nonprofits and shops without in-house finance staff

How it makes money: Monthly retainers based on transaction volume, plus project fees for catch-up or cleanup work

Business model: Freelance or consulting, Side hustle

Risks and downsides

  • Errors in a client’s books can lead to tax penalties or bad decisions and liability claims.
  • Handling client bank and tax data makes you a target for fraud and data breaches.
  • Drifting into tax preparation or advice without a PTIN or proper credentials creates legal exposure.
  • Catch-up projects often take far longer than quoted.
  • Automated bookkeeping tools compete on price for simple clients.

Your first step

Offer a paid one-month bookkeeping cleanup to one small business you know, using the client’s existing software, before buying any tools or courses.

Then

  1. Decide clearly whether you will stay out of tax preparation or get a PTIN.
  2. Get a professional liability insurance quote.
  3. Write an engagement letter that defines scope and what you do not do.
  4. Set up secure methods for receiving client documents.

Sources and review

Last reviewed October 18, 2026. Method: Itemized editorial estimate built from typical starter equipment and setup items. Cited sources support the requirements and context, not each dollar figure. Items we could not price defensibly are marked "Not verified" instead of $0. Local prices vary.

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