Average Bookkeeper Business Insurance Cost (2026 Report)

To get these estimates, we studied quotes for bookkeeping practices across the country, including Washington, D.C., and made the following assumptions when we built the bundles:

• Starting and recommended bundles assumed a solo operator
• Growing and expanded bundles assumed a bookkeeping practice with two employees, since workers' comp is priced per employee
• The expanded bundle replaces standalone general liability with a business owner's policy, which combines general liability and commercial property

Rates for specialized coverages, like commercial crime and commercial umbrella insurance, were from external research and aren't part of our dataset.

For a solo bookkeeper, general liability insurance averages $10 per month, or $123 per year. It protects you financially from claims about your work injuring someone or damaging a client's property.

• What it covers: Helps pay medical expenses, property repair costs and legal bills from covered claims made by clients or other people outside your business.
• Common covered risks: A client trips over a power cord during an office visit, or a laptop left in your care is knocked off a desk and broken. It may also cover surrounding damage caused by your work, depending on your policy's terms.
• Requirement considerations: Commercial landlords and clients could require general liability. Beyond that, a professional association might also ask for proof of coverage tied to membership.
• Who needs it: All bookkeepers who meet clients in person, rent office space or want protection against everyday third-party claims.

General liability costs rise with headcount in every state, but the gap between West Virginia and Washington, D.C., widens as a bookkeeping practice adds employees. Solo rates average $7 per month in West Virginia and $17 in the District. At five to nine employees, they reach $16 and $40. Denser, higher-cost markets create more opportunities for costly claims. The District also has higher overall prices and a median home value near $600,000. That's more than four times West Virginia's, which is about $135,000 and could make property claims more expensive to resolve.

For a solo bookkeeper, professional liability insurance averages $28 per month, or $332 per year. It protects you financially when a client claims your work contained an error that cost them money, with a standard $1 million per-claim and $1 million aggregate limit.

• What it covers: Helps pay legal defense, settlements and judgments when a client alleges a mistake, oversight or missed deadline in your bookkeeping work caused them a financial loss.
• Common covered risks: A miscategorized expense throws off a client's tax filing, or a payroll run is processed late and triggers penalties. It may also cover claims tied to advice you gave within the scope of your services.
• Requirement considerations: Clients handing over their books often require professional liability before signing, and the limit they ask for may be written into your engagement contract.
• Who needs it: Every bookkeeper whose work clients rely on to make financial decisions, especially those handling payroll, tax prep or advisory work.

Professional liability costs climb as a practice takes on staff and more complex client work, and the gap between the cheapest and most expensive states widens along the way. Rates average $44 per month in Maine and $59 in Washington, D.C., for a practice with one to four employees. Local legal environments drive most of that difference, since the District's dense, high-stakes litigation market carries higher defense and settlement costs than a lower-cost legal environment like Maine's. Scope of services moves your rate far more than location, so a practice that runs payroll or tax-adjacent work will pay more than one doing basic reconciliations in the same state.

For a solo bookkeeper, cyber insurance averages $75 per month, or $896 per year. It protects your practice financially after a data breach or cyberattack exposes the client financial records you store, with a standard $1 million per-occurrence and $1 million aggregate limit.

• What it covers: Helps pay breach notification, credit monitoring, data recovery, legal costs and regulatory fines after client financial data is exposed, stolen or held for ransom.
• Common covered risks: A phishing email gives an attacker access to your client files, or ransomware locks the payroll records you manage for several clients. It may also cover funds lost to a fraudulent wire transfer, depending on your policy's terms.
• Requirement considerations: Clients who trust you with bank credentials and tax documents increasingly require cyber coverage, and some contracts specify a minimum limit before you can access their systems.
• Who needs it: Any bookkeeper who stores or transmits client bank, payroll or tax records, which is nearly every practice operating today.

Cyber costs rise as a practice takes on more clients and more sensitive data, and where you operate matters more here than for any other policy your practice holds. Rates average $79 per month in Alaska and $116 in Washington, D.C., for a practice with one to four employees. Breach frequency, regulatory enforcement and the cost of incident response run higher in dense urban markets, where clients tend to be larger and carry more complex data profiles. Reported cybercrime losses keep climbing nationwide, reaching a record $16.6 billion in the FBI's 2024 Internet Crime Report, which helps explain why insurers price this coverage the way they do.

For a bookkeeping practice with one to four employees, workers' compensation insurance averages $15 per employee per month, or $178 per year. Most states require it once you hire staff, and it covers medical costs and lost wages when an employee is hurt on the job.

• What it covers: Helps pay medical treatment, rehabilitation and a portion of lost wages when an employee is injured or falls ill because of their work.
• Common covered risks: An employee develops a repetitive strain injury from long hours at a keyboard, or slips and falls in your office. It may also cover an employee hurt while running a work errand, depending on your policy's terms.
• Requirement considerations: Most states require workers' comp as soon as you have employees, and the exact threshold and penalties for going without vary by state.
• Who needs it: Any bookkeeping practice with employees, even a small desk-based team, since coverage is mandated in nearly every state.

Workers' comp is priced per employee, so the cost scales directly with headcount, and rates run from $13 per employee per month in Texas to $23 in California for a practice with one to four employees. State-mandated rate structures and regional medical costs drive most of that difference. California ensures injured workers receive comprehensive medical care and generous permanent disability benefits, and its higher wages feed into premiums, while Texas does not even mandate the coverage, which keeps its rates among the lowest in the country. Adding your second or third employee in a high-cost state has a materially larger cost impact than the same hire in a low-cost one.

For a solo bookkeeper, commercial property insurance averages $7 per month, or $85 per year. It covers the computers, monitors, external drives and other equipment your practice depends on, protecting them against loss from fire, theft or damage.

• What it covers: Helps pay to repair or replace business equipment, furniture and software after a covered event like fire, theft or a burst pipe.
• Common covered risks: A fire in your office destroys your workstations, or a break-in leaves with your laptops and backup drives. It may also cover equipment damaged by a covered water leak, depending on your policy's terms.
• Requirement considerations: Commercial landlords often require it as a lease condition, and lenders may ask for it if you financed your equipment.
• Who needs it: Any bookkeeper who owns computers and equipment they could not easily afford to replace out of pocket, whether working from home or a rented office.

Commercial property produces the smallest state-level cost variation of any coverage your practice carries, so where you operate is unlikely to move your premium much. Rates average $13 per month in North Dakota and $18 in New York for a practice with one to four employees. Rebuilding and replacement costs drive the modest gap, since construction in New York runs roughly 30% to 40% above the national average while the Plains states sit near or below it. The more relevant variables for your rate are the value of the equipment you insure and the coverage limits you choose.

For a solo bookkeeper, a business owner's policy averages $16 per month, or $187 per year. It bundles general liability and commercial property into a single policy, usually at a lower combined price than buying the two separately.

• What it covers: Combines third-party liability protection with coverage for your business equipment, so one policy handles both a client injury claim and a fire or theft loss.
• Common covered risks: A client trips during an office visit and a fire damages your workstations, both handled under one policy. It may also include limited business interruption coverage, depending on your policy's terms.
• Requirement considerations: The general liability portion satisfies the same lease and client requirements a standalone policy would, so a BOP can meet contract terms while covering your property too.
• Who needs it: Bookkeepers who need both general liability and property coverage and want to bundle them, which fits most established practices with their own equipment.

A business owner's policy runs from about $12 per month in West Virginia to $22 in Washington, D.C., for a solo bookkeeper, and the gap widens as a practice adds employees. Because a BOP combines general liability and commercial property, it inherits the cost drivers of both, and the same litigation environment and property costs that make the District expensive for those two coverages carry through here. For most practices the bigger levers are your equipment value and liability limits rather than your state.

Expect to spend an average of $46 per month, or $557 per year, for a vehicle used for business. Commercial auto matters when you drive to meet clients, since a personal auto policy generally will not cover an accident that happens during business use.

• What it covers: Pays covered costs after an accident involving a vehicle used for business. Depending on the options you select, it could cover injuries, damage to other property and repairs to your own vehicle.
• Common covered risks: You rear-end another car on the way to a client meeting. On another trip, a collision damages your vehicle and the laptop you had with you for an on-site visit.
• Requirement considerations: A business-owned vehicle generally needs a commercial policy before you drive it for work. A lender or client contract may also require higher limits.
• Who needs it: Bookkeepers who own or regularly use a vehicle for work, such as driving to client sites to review or collect records.

Commercial auto produces the widest absolute cost spread across states of any coverage a bookkeeping practice carries, running from $37 per month in Idaho to $60 in Washington, D.C. Traffic density, accident frequency and urban liability environments drive most of that gap regardless of how often you actually drive for work. The District ranks among the most congested places in the country, with the longest average commute in the nation, while low-density states like Idaho see claims frequency and legal costs run below the national average. If your practice is in a high-cost market but your business driving is limited, your actual mileage and vehicle use are worth discussing with your carrier before you accept a standard rate.

Beyond the standard mix, a bookkeeping practice may add specialty coverages that address risks specific to handling client money and data. The table below shows the specialty policies most relevant to the trade, with average monthly costs from external research.