Top 8 Outsourced Accounting Firms for Small Businesses (2026): Who Each Serves and How to Compare Them

The top 8 outsourced accounting firms for small businesses covered here are 1-800Accountant, Bench, Bookkeeper360, Ignite Spot, Indinero, Madras Accountancy, Merritt Bookkeeping and Pilot. They appear in alphabetical order and the list is unranked. Every entry paraphrases only neutral facts the firm publishes about itself on its own website, checked in October 2026, so you can see who each one is built for before you ask for a proposal.

Madras Accountancy publishes this page and is one of the top 8 outsourced accounting firms for small businesses listed. For that reason the article does not score, rank or recommend any firm, and it leaves out every provider's prices. What it does give you is a plain summary of each firm's stated focus, an evaluation checklist you can apply to any provider, and an illustrative cost model built on Bureau of Labor Statistics wage data. If you are still deciding whether to hand off your books at all, start with our guide to outsourced bookkeeping services for small businesses, which covers scope, workflow and when to switch.

What an Outsourced Accounting Firm Does for a Small Business

An outsourced accounting firm takes over some or all of the finance work a small company would otherwise do with its own staff. The usual starting point is monthly bookkeeping: categorizing bank and card transactions, reconciling accounts and producing a profit and loss statement and balance sheet. From there, firms add payroll, accounts payable and receivable, sales tax, business tax returns and, at the top end, forecasting and CFO-level advice. Our overview of what to expect from outsourced accounting services walks through each layer.

The firms on this list differ mainly in two ways. The first is scope. Some focus on bookkeeping alone and hand your records to a separate tax preparer each spring, while others bundle bookkeeping, payroll, tax and advisory under one engagement. The second is delivery model. A few build their own software around the service, and others work inside a standard ledger such as QuickBooks. If you are unsure which level of help you need, our comparison of bookkeepers, accountants, CPAs and CFOs explains where each role starts and stops.

Top 8 Outsourced Accounting Firms for Small Businesses at a Glance

"Not stated" means the page checked did not give that fact. It says nothing about the firm itself.

The 8 Firms, Summarized From Their Own Sites

1. 1-800Accountant

1-800Accountant presents itself as an online tax and bookkeeping service for small businesses. Its site lists tax preparation, tax advisory, bookkeeping, payroll, quarterly estimated taxes, audit defense and help starting a business, delivered as a year-round service that combines software with a team of accounting professionals.

2. Bench

Bench offers ongoing monthly bookkeeping carried out in its own software. Its site also lists a bookkeeping-only option with a fractional bookkeeper for businesses that want to keep their existing systems, catch-up bookkeeping for past-due months, and tax filing with advisory. It names a range of small business types it works with, from salons and restaurants to agencies and professional practices.

3. Bookkeeper360

Bookkeeper360 says it has worked with small business owners since 2012. Its about page lists accounting, bookkeeping, payroll, tax, HR and fractional CFO services, and its navigation adds R&D tax credit work and bill pay and invoicing. The page checked did not give an address.

4. Ignite Spot

Ignite Spot dates itself to 2008 and lists an address in Salt Lake City, Utah. Its services are virtual bookkeeping, outsourced accounting, financial reporting and fractional CFO work. The tasks it lists include bank reconciliations, invoicing, bill pay, financial statements and a monthly financial review, and it says it works with businesses across the country.

5. Indinero

Indinero describes its clients as companies at several stages of growth, from early-stage startups to larger and multi-entity businesses. Its service list covers accounting, bookkeeping, business tax, payroll, CFO services and 409A valuations. Its footer lists an address in Covina, California.

6. Madras Accountancy (publisher of this list)

Madras Accountancy describes itself on its home page as offshore support for U.S. CPA firms across tax, bookkeeping and audit, and its fractional CFO page is written for U.S. CPA firms and their clients. The services listed on its site are tax preparation and planning, accounting and bookkeeping, audit and assurance support, payroll and 1099 services, sales tax, fractional CFO, and real estate and property management accounting. Its footer lists Glendale, Chennai, Coimbatore and Dharampuri as locations. As the publisher, it sits in alphabetical order with the other seven.

7. Merritt Bookkeeping

Merritt Bookkeeping says bookkeeping is its only service and that it does not sell tax preparation or payroll. It keeps client books in QuickBooks, although clients do not need to use QuickBooks themselves, and it says it works with the client's own accountant at tax time so the tax preparer has the records needed.

8. Pilot

Pilot describes itself as a back-office finance provider for startups and small businesses. Its site lists bookkeeping, tax and CFO services, along with R&D credit and stock administration work, and it lists offices in San Francisco and Nashville.

How to Evaluate Outsourced Accounting Firms for Small Businesses

Apply the checklist below to every provider you speak with, including the ones on this list. The points are practitioner guidance unless a source is linked.

Evaluation checklist

• Scope in writing. List the work you need: bookkeeping, payroll, bill pay, sales tax, 1099s, the business return, or forecasting. Confirm which items are in the base fee and which are extras. Our breakdown of which accounting tasks to outsource and which to keep in-house helps you draw that line.
• Who files your taxes. If the firm only keeps books, you still need a tax preparer. Anyone who prepares or helps prepare federal returns for pay must have a valid PTIN, so ask for it.
• Licenses you can check. If a firm or person says they are a CPA, look them up on CPAverify, which NASBA calls "the only free, single-source national database of licensed CPAs and accounting firms available to the public." NASBA says 53 jurisdictions take part.
• Software and data ownership. Ask whether your books live in a ledger you control, such as QuickBooks Online or Xero, or in the provider's own platform. Confirm you can export the full general ledger and supporting files if you leave.
• Security controls. The FTC Safeguards Rule treats an accountant or other tax preparation service that completes income tax returns as a financial institution, which brings it under the rule's information security requirements. Ask to see a summary of the firm's security program and whether it has a SOC 2 report. An AICPA publication on SOC 2 describes controls relevant to security, availability, processing integrity, confidentiality or privacy. Our explainer on SOC 1 versus SOC 2 reports shows what to read in one.
• Close calendar. Ask by which business day each month you will receive reconciled statements, and who answers questions in between.
• Remote or local. Decide whether you need someone who can visit. Our comparison of a local bookkeeper and a remote accounting service sets out the trade-offs.
• Exit terms. Check notice periods and hand-over duties. Our guide on switching accounting outsourcing providers lists what to request before you give notice.

Questions to ask before you sign

• Ask which current clients are closest to you in size and industry, and how their first three months went.
• Ask who your day-to-day contact will be and what happens when that person is away.
• Ask for a redacted sample of the monthly reporting package.
• Ask how pricing changes if transaction volume doubles or you add a second entity.
• Ask how the firm handles year-end 1099 preparation. The One Big Beautiful Bill Act (P.L. 119-21) raised the threshold from $600, and for payments made in 2026 the IRS says the Form 1099-NEC reporting threshold is $2,000. Our page on the 2026 1099 reporting threshold covers the detail.

For a longer list of contract points, read what to ask before signing an accounting outsourcing contract.

What Outsourced Accounting Costs Compared With Hiring

This section quotes no provider fees. Published prices change often and depend on transaction volume, the number of accounts and entities, and whether tax returns are included. For fee structures, see our separate guide on how much it costs to outsource accounting services. The model below is an illustrative benchmark for what the same work costs when you employ the people yourself.

Illustrative worked example

The figures below are illustrative. They show what a small business would spend to cover bookkeeping plus accountant review with its own staff, using median pay.

1. A full-time bookkeeper at the median wage of $50,670 costs about $73,755 a year once benefits are added ($50,670 divided by 0.687).
2. A full-time accountant at the median wage of $83,680 costs about $123,970 a year on the same basis ($83,680 divided by 0.675).
3. Assume the books take about 20 hours a week, half of a full-time schedule, which comes to $36,878 a year.
4. Add accountant time of about 10% of a full-time schedule for month-end review, adjusting entries and year-end preparation: $12,397 a year.
5. The in-house benchmark for that workload is $49,275 a year, or about $4,106 a month.

This benchmark leaves out recruiting, training, software licenses, cover for vacations and the owner's time spent supervising, and part-time hires often cost more per hour than the median. A provider's fee also covers its own overhead and margin. Compare the benchmark with real quotes, and run the numbers through our article on the true cost of in-house versus outsourced accounting staff if you want a fuller model.

Matching a Firm Type to Your Business

The firms above fall into a few broad delivery types, based on how they describe themselves.

• Bookkeeping-only providers. Merritt Bookkeeping states that bookkeeping is its sole service. This model suits owners who already have a tax preparer they want to keep.
• Bookkeeping plus tax and payroll. 1-800Accountant, Bench, Bookkeeper360, Indinero and Pilot each list tax work alongside bookkeeping, and several list payroll.
• Bookkeeping plus CFO work. Bookkeeper360, Ignite Spot, Indinero and Pilot list CFO or fractional CFO services, which matter once you need forecasts and budgets as well as historical statements.
• Offshore support for CPA firms. Madras Accountancy describes its service as offshore support for U.S. CPA firms and their clients. This model suits a business whose CPA firm already handles its accounts.

Whichever type you choose, the monthly routine should look much the same. Our small business bookkeeping checklist lists the daily, weekly, monthly and year-end tasks to confirm are in scope. Keep in mind that the IRS says to keep employment tax records for at least 4 years after the tax is due or paid, whichever is later, so the provider's record retention policy should match or exceed that.

Frequently Asked Questions

How were these outsourced accounting firms chosen? They are firms whose websites describe outsourced bookkeeping or accounting for small businesses, or, in the case of Madras Accountancy, for CPA firms and their clients. Each entry uses only facts the firm publishes about itself. The list is alphabetical, is published by Madras Accountancy, and does not rank the firms.

Why does this list leave out prices? Provider prices change often and depend on scope, so quoting them would date quickly. The BLS-based model above gives you an in-house benchmark, and our cost guide explains how outsourced fees are usually structured.

Do I need a separate tax preparer if I outsource my bookkeeping? It depends on the firm. Merritt Bookkeeping says it offers bookkeeping only and works with your accountant at tax time, while 1-800Accountant, Bench, Bookkeeper360, Indinero and Pilot list tax services. Confirm in the engagement letter who prepares and signs each return.

Is outsourced accounting safe for my financial data? Ask each firm for its written information security program and any SOC 2 report, and check who can access your bank and payroll logins. The FTC Safeguards Rule applies to accountants and tax preparation services that complete income tax returns.

Can I switch to a different provider later? Yes. Keep your books in a ledger you can export, confirm hand-over terms before you sign, and allow a full month-end close for the new firm to take over cleanly.

Next Step

Madras Accountancy works with U.S. CPA firms and their clients on bookkeeping, tax preparation, payroll, sales tax, audit support and fractional CFO work. If you would like to talk through which parts of your finance function to outsource, contact our team.