Free Bookkeeping Engagement Letter Generator (2026)
Build a clear engagement letter for a bookkeeping client in your browser. Choose the services in scope, set your fee and terms, and watch the letter assemble as you go. The full letter is visible here for free; enter your email to download an editable Word version you can put your letterhead on.
Core bookkeeping is always included. Add the services this engagement covers; each one adds its own scope clause.
[Your firm name]
Engagement Letter for Bookkeeping Services
Parties and purpose
This letter sets out the terms on which [Your firm name] ("we", "us") will provide bookkeeping services to [Client name] ("you"), a Sole prop. It takes effect once you sign it.
Scope of services
We will provide the following bookkeeping services on a recurring basis:
- Recording and categorizing transactions across your connected bank and credit-card accounts
- Reconciling those accounts each period to the underlying statements
- Maintaining the general ledger and chart of accounts
- Closing each period and producing a profit-and-loss statement and balance sheet
- Accounts receivable and payable: raising customer invoices, recording bills, and tracking what is owed to and by the business
- Preparing monthly management reports beyond the standard profit-and-loss and balance sheet
Not included
The following are outside the scope of this engagement. We can quote for any of them separately if you need them:
- Preparation or filing of income tax returns
- Audit, review, or any form of assurance on the financial statements
- Legal, investment, or tax-planning advice
- Catch-up or cleanup of prior-period books before this engagement begins, which is quoted separately
- Running payroll or filing payroll taxes
- Preparing or filing sales tax returns
Your responsibilities
So that we can do this work properly and on time, you agree to handle the following:
- Providing complete and accurate records, statements, and supporting documents in a timely manner
- Giving us access to the accounting software and bank feeds needed to do the work
- Reviewing the financial information we provide and telling us promptly of anything that looks wrong
- Retaining responsibility for the accuracy of the underlying records and for your own tax obligations
Fees and payment
For the services described above, our fee is a fixed monthly fee of [amount] per month.
Invoices are payable within 14 days of the invoice date.
Work outside the scope above is agreed in advance and billed separately.
Term and termination
This engagement begins on the date this letter is signed and continues until either party ends it.
Either party may end this engagement by giving 30 days' written notice. On termination, we will invoice for work completed up to that date and return your records to you.
Confidentiality and data protection
We treat all information about your business as confidential and use it only to perform the services in this letter. We do not share it with anyone except as you direct or as the law requires.
We hold any personal data securely and use it only as needed to deliver these services.
Limitation of liability
We will perform the services with reasonable care and skill. We are not responsible for losses arising from inaccurate or incomplete information you provide, or from your failure to act on advice we give. Our total liability for any claim connected with this engagement is limited to the fees you have paid us in the twelve months before the claim arose.
Acceptance
If these terms are acceptable, please sign below. This letter then forms the agreement between us for the services described.
This engagement letter is a customizable template, not legal advice. Terms vary by jurisdiction and by the specifics of your engagement. Have a qualified professional review it before you rely on it with a client.
What is a bookkeeping engagement letter?
A bookkeeping engagement letter is the written agreement between you and a client that sets out what you will do, what you will not do, what it costs, and how either side can end the arrangement. It turns a verbal understanding into a record both parties have signed, which is what you reach for when a client later expects work that was never in scope.
The letter does two jobs at once. It protects you by defining the edges of the work and capping your liability, and it sets the client's expectations so the relationship starts on the same page. Most disputes in a bookkeeping engagement trace back to scope that was assumed rather than written down, which is the gap this letter closes. You'll also see it called a bookkeeping letter of engagement; the document is the same. The generator above produces it as a bookkeeping engagement letter template in editable Word, and the default output doubles as a sample of what a complete letter covers.
What to include in a bookkeeping engagement letter
A workable letter covers the same core sections, whatever the client. The generator above builds each of these from your inputs:
- Parties and purpose. Who is engaging whom, and for what. Name your firm, the client, and the client's entity type so there is no ambiguity about who has agreed to what.
- Scope of services. The specific work you will do: recording and categorizing transactions, reconciling accounts, closing the period, and any added services such as accounts receivable and payable, payroll, sales tax or VAT, management reporting, or advisory. This is the section that earns the letter its keep.
- What is not included. The work people commonly assume bookkeeping covers but it does not, unless you say so: income tax return filing, audit or assurance, and cleanup of prior-period books. Naming the exclusions prevents the slow creep of unbilled work.
- Client responsibilities. What you need from the client to do the job: complete records, software and bank-feed access, and timely answers. The accuracy of the underlying records, and the client's own tax obligations, stay with the client.
- Fees and payment. Your fee and how it is charged, whether a fixed monthly fee, an hourly rate, or a fixed project fee, plus when invoices are due and how out-of-scope work is billed.
- Term and termination. When the engagement starts, that it continues until ended, and the notice period either side must give to walk away.
- Confidentiality and data protection. A commitment to keep the client's information private and to handle personal data in line with the law that applies in your region.
- Limitation of liability. A reasonable cap on what you are responsible for, typically tied to the fees paid, and a statement that you are not liable for losses from inaccurate information the client gives you.
- Acceptance. Signature blocks for both parties. A letter is only an agreement once it is signed.
Why scope is the part that matters most
The scope section is where an engagement letter either works or fails. A client who needs payroll run, sales tax filed, and a monthly management pack is a different engagement from one who needs transactions categorized and accounts reconciled, even at the same transaction volume. When the letter lists exactly which of those you are providing, adding more later is a clear conversation with a number attached rather than an awkward renegotiation.
That is why the generator drives the scope clauses off a service checklist. Tick the services you will actually deliver and the matching clauses appear; leave the rest off and they show up in the not-included section instead. The letter then reflects this engagement, not a generic one.
Frequently asked questions
Do I legally need an engagement letter for bookkeeping?
It is rarely a legal requirement, but it is standard practice and most professional bodies expect one. The practical reason to use it is simpler than the legal one: without a signed scope, you have no clear reference when a client expects work you never agreed to.
How is an engagement letter different from a proposal or a contract?
A proposal pitches the work and sells the relationship. An engagement letter is the agreement that follows once the client says yes, and it is usually shorter and more specific. In bookkeeping the engagement letter often serves as the contract itself, since it carries the scope, fees, terms, and signatures.
Can I edit the letter after I download it?
Yes. The download is an editable Word document, not a locked PDF, so you can add your letterhead, adjust any clause, and reword anything before you send it. That is the point of handing over a .docx rather than a fixed file.
Is this letter ready to use as-is?
Treat it as a strong starting draft, not finished legal text. The wording is general and terms vary by jurisdiction and by the specifics of your engagement. Have a qualified professional review it before you rely on it with a client.