Professional ServicesCategory 02 of 9

Bookkeeping Agencies (Outsourced)

Definition

An outsourced bookkeeping agency maintains a company's financial records on a monthly cycle: categorizing transactions, reconciling bank and credit card accounts, running payroll entries, and closing the books so the owner and their CPA see accurate numbers. Small businesses hire them because in house bookkeepers are expensive to employ and hard to review.

3,000 to 8,000
US entities
300 to 2,500 dollars
Typical monthly fee
10 to 15 days
Typical close timeline
We estimate 3,000 to 8,000 US entities in this category. Directional estimate, not a census figure.
01

How they make money

The category has largely moved to flat monthly subscriptions priced on complexity: number of accounts, transaction volume, whether you need accrual accounting, invoicing, or bill pay. Most small businesses land between 300 and 2,500 dollars per month, with cash basis books for a simple service business at the bottom and multi entity accrual work at the top. Hourly billing still exists, usually 40 to 100 dollars per hour, but it is fading because owners hate unpredictable invoices and agencies hate defending timesheets.

Two add ons carry real price tags: catch up work for businesses that are months or years behind, typically quoted as a one time project, and controller or CFO level review, sold as a monthly layer on top of the base bookkeeping. Neither is padding. Cleanup is genuinely slow work, and the review layer is what catches errors before your tax preparer does.

02

What good ones have in common

A close calendar they commit to. Good firms deliver reconciled books by a stated day each month, usually the 10th to the 15th, and tell you when they miss. Books that trickle in whenever are not books you can run a business on.
A second set of eyes. The strong agencies pair your bookkeeper with a reviewer or manager who checks the close. Solo categorization with no review is where miscoded expenses live for years.
Fluency in your stack. They should know QuickBooks Online or Xero deeply, plus the tools around it: your payroll provider, payment processor, and ecommerce or point of sale platform. Bad integrations are the top source of silent errors.
A clean handoff to your CPA. Ask how they work with tax preparers at year end. Firms that deliver a tidy trial balance and answer the CPA's questions directly save you real money in tax prep fees.
Proper access hygiene. They connect through accountant access and read only bank feeds, in your accounts, under your ownership. You can revoke everything in an afternoon if the relationship ends.
03

Red flags

Your books live in their subscription. If the software file is owned by the agency, leaving means ransoming your own history. The subscription and the data should be yours from day one.
No engagement letter defining scope. Bookkeeping, payroll filings, sales tax, and 1099s are different jobs. Without a written scope, each side assumes the other handled the filing, and penalties land on you.
Months of silence. A bookkeeper who is not asking you questions is guessing at categorizations. Uncategorized or misfiled transactions pile up quietly and surface as an expensive cleanup at tax time.
Tax advice from non credentialed staff. Bookkeepers record what happened. If someone without a CPA or EA credential is advising on entity structure or deductions, they are practicing outside their lane and you carry the risk.
04

How the category is changing

Automation has genuinely absorbed the bottom of this work. Bank feeds, rules based categorization, and AI suggestions inside QuickBooks and Xero now handle most routine transactions, which is why per hour pricing collapsed and subscriptions took over. The agencies that thrive treat the software as a junior employee: it drafts, a human reviews, and the client pays for the review and the judgment, not the keystrokes.

Two other shifts matter. First, offshore delivery is now common even at firms with an American brand, with teams in the Philippines, India, or Latin America doing the daily work under stateside review. That is not a scandal, but you should know where your financial data sits and ask about security controls. Second, CPA firms have been building client accounting services arms and buying bookkeeping agencies outright, so the line between your bookkeeper and your tax firm keeps blurring. That bundling is convenient, but keep the ability to separate the two if either side underperforms.

05

Frequently asked questions

How much does outsourced bookkeeping cost per month?
Most small businesses pay a flat 300 to 2,500 dollars monthly depending on transaction volume, account count, and whether you need accrual accounting or bill pay. Simple cash basis books sit at the low end. Cleanup of past months is usually a separate one time project.
What is the difference between a bookkeeper and a CPA?
A bookkeeper records and reconciles transactions so the books are accurate. A CPA is a licensed accountant who handles tax filings, advisory work, and audits. Most businesses use both, with the bookkeeping agency handing clean books to the CPA at year end.
How do I know if my bookkeeper is doing a good job?
Three quick checks: books close on a consistent date each month, bank and credit card balances in the software match the actual statements, and your CPA has few adjusting entries at tax time. Silence and missed months are the warning signs.
Is it safe to give a bookkeeping firm access to my bank accounts?
Done properly, yes. Reputable firms use read only bank feeds and accountant level software access, never your personal login, and carry professional liability insurance. Ask how credentials are stored and who on their team can see your accounts.
Can bookkeeping be fully automated with AI?
The routine categorization largely is, and pricing already reflects that. What software still gets wrong is context: owner draws, transfers, loan splits, and anything unusual. You are paying the agency for human review and a close you can trust, not data entry.
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Bookkeeping firms mostly grow on referrals from CPAs and clients rather than through marketing agencies, and when they scale delivery they lean on offshore recruiters and staffing agencies to keep the close calendar staffed.