Free Payroll Engagement Letter Template
This payroll engagement letter template covers pay cycles, which filings you are responsible for, the client's deadline for submitting hours and changes, funding of taxes and net pay, and where liability sits when data arrives late or wrong.
This payroll engagement letter template covers pay cycles, which filings you are responsible for, the client's deadline for submitting hours and changes, funding of taxes and net pay, and where liability sits when data arrives late or wrong.
Last updated: September 2026
What is included in this template?
- Pay cycles, pay dates and the employee count assumed
- Which federal and state filings are included, such as Forms 941, 940, W-2 and state withholding
- The client's submission deadline each cycle
- Funding arrangements for net pay and tax deposits
- Responsibility for worker classification and wage and hour compliance
- Penalty responsibility where data is late or incorrect
When should you use it?
- Before the first payroll run for any client.
- Annually, and whenever the employee count or state footprint changes.
- When a client adds employees in a new state, which changes registration and filing obligations.
Section-by-section explanation
What each part is for, and the mistakes that show up most often when it is written badly.
Cycles and headcount
State the pay frequency, pay dates and the employee count the fee assumes. Payroll fees are volume-driven and quietly outgrow their pricing faster than any other recurring service.
Filings included
List the filings by form number and frequency: Form 941 quarterly, Form 940 annually, W-2 and W-3 annually, plus each state filing. Anything not listed is out of scope.
Submission deadline
Name the number of business days before pay date by which hours and changes must be received, and state what happens if they arrive later.
Funding
Be explicit about who funds net pay and tax deposits, and when cleared funds must be available. This is the section that prevents the worst kind of payroll incident.
Classification and compliance
Record that worker classification, wage and hour compliance and benefit eligibility remain the client's responsibility, based on information the client supplies.
The full template
The complete text is below so you can read it before downloading. Replace everything in square brackets with your own details.
[FIRM LETTERHEAD] [DATE] [CLIENT NAME] [CLIENT ADDRESS] Dear [CLIENT CONTACT NAME]: ENGAGEMENT LETTER — PAYROLL SERVICES, COMMENCING [START DATE] This letter sets out the terms on which [FIRM NAME] will provide payroll services to [CLIENT NAME]. 1. SERVICES We will: a. process payroll on a [weekly/biweekly/semimonthly/monthly] cycle, with pay dates on [PAY DATES], for approximately [NUMBER] employees in [STATE(S)]; b. calculate gross-to-net pay, withholdings and employer taxes; c. prepare and file Form 941 quarterly and Form 940 annually; d. prepare and file [STATE] withholding and unemployment returns; e. prepare and distribute Forms W-2 and file Form W-3 annually; f. prepare Forms 1099-NEC for contractors listed by you, where engaged; g. provide payroll registers and journal entries each cycle. 2. SERVICES NOT INCLUDED This engagement does not include: worker classification determinations; wage and hour or overtime compliance advice; benefits administration, enrollment or ACA reporting; retirement plan administration or Form 5500; state registrations in new jurisdictions; garnishment order interpretation; HR advice; or representation in any payroll tax examination. Registrations in additional states are billed separately at $[AMOUNT] per registration. 3. CLIENT RESPONSIBILITIES AND DEADLINES You will submit hours, new hires, terminations, rate changes, bonuses, benefit deductions and all other payroll changes no later than [NUMBER] business days before each pay date. Where information is received after that deadline, we cannot guarantee that the payroll will be processed for that pay date. Off-cycle runs required as a result are billed at $[AMOUNT] each. You are responsible for: a. the accuracy of hours, rates, classifications and employee information supplied; b. determining whether workers are employees or independent contractors; c. compliance with federal and state wage and hour laws; d. reviewing each payroll preview before approval; e. ensuring sufficient cleared funds are available under section 4. 4. FUNDING Net pay and payroll tax deposits are funded by you. Cleared funds must be available in [ACCOUNT] no later than [NUMBER] business days before each pay date. We are not responsible for late deposits, penalties or interest arising from insufficient or late funding. 5. PENALTIES AND LIABILITY Where a penalty or interest charge arises directly from our error, we will work with the relevant agency to have it abated and will be responsible for the penalty amount attributable to our error. Where it arises from late, incomplete or incorrect information supplied by you, from insufficient funding, or from your failure to approve a payroll preview, the charge is your responsibility. 6. FEES Our fee is $[AMOUNT] per pay cycle plus $[AMOUNT] per employee per cycle, assuming [NUMBER] employees. Quarterly filings are included. Year-end Forms W-2 are billed at $[AMOUNT] per form. Off-cycle runs, amended returns and additional state registrations are billed as stated above. Fees are reviewed annually with effect from [MONTH]. 7. RECORDS We retain payroll records for [NUMBER] years. You are responsible for maintaining your own employment records, including Forms I-9 and W-4. 8. TERMINATION Either party may terminate on [NUMBER] days' written notice, effective at the end of a calendar quarter where practicable, so that quarterly filings are not split between providers. Fees for work performed remain payable. 9. ACCEPTANCE Please sign and return a copy of this letter. Sincerely, _______________________________ [PARTNER NAME], [CREDENTIAL] [FIRM NAME] ACCEPTED AND AGREED: _______________________________ ____________________ [CLIENT SIGNATORY NAME], [TITLE] Date
Download the editable copy
Enter your work email and the plain-text file downloads straight away. Have your own counsel review any engagement or disengagement letter before you send it to a client.
This template is a starting point, not legal advice. Have your own attorney and, where relevant, your insurance carrier review any engagement or disengagement letter before you send it to a client.
How Remindoo automates this
A template is a document. The reason firms still miss the thing the document describes is that nobody owns the follow-up. This is where software helps.
- Create the payroll cycle as a recurring service so every pay date generates a job with its own internal deadline.
- Automate the hours request a fixed number of days before each pay date, with reminders, instead of relying on the client to remember.
- Track Form 941 and W-2 deadlines as recurring jobs with an internal date ahead of the statutory one.
- Keep employee-count changes visible against the client record so the annual fee review reflects reality.
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Frequently asked questions
What should a payroll engagement letter include?
Pay cycles and employee count, the exact filings included by form number, the client's submission deadline each cycle, funding arrangements for net pay and deposits, where penalty responsibility sits, fees including per-employee and off-cycle charges, and termination timed to quarter end.
Who is liable for payroll tax penalties?
Set it out explicitly. The workable position is that the firm covers penalties attributable to its own error and the client covers those caused by late or incorrect data, insufficient funding, or unapproved previews. Ambiguity here is expensive for everyone.
Why should payroll engagements end at a quarter end?
Because quarterly filings cover a full quarter. Terminating mid-quarter splits Form 941 responsibility between two providers and reliably produces a notice a few months later.
Does an engagement letter have to be signed?
A countersigned letter is far easier to rely on if fees or scope are later disputed. Electronic signature is standard practice in US firms. Keep the executed copy with the client record rather than in an individual's email.
How often should engagement letters be reissued?
Annually for recurring services, and immediately whenever scope, fees or the responsible parties change. Reissuing yearly also gives you a clean moment to reprice work that has quietly grown.
Stop maintaining templates by hand
Remindoo turns documents like this into recurring work with owners, internal due dates and automatic client follow-up. Per client, unlimited users.