Accounting Workflow Templates for US Firms
Copy-ready workflows for the services US accounting firms run every year, quarter and month.
An accounting workflow template is a written definition of how your firm delivers one service: the steps in order, the date the work hangs off, when it is due internally and externally, and when reminders go out. The examples below are free to copy and can be rebuilt in any system, including Remindoo.
Last updated: September 16, 2026 · Reviewed by Waqas Sagar, ACA FCCA, chartered accountant (UK) and founder of Remindoo.
What each template covers
- Service name and frequency
- Typical trigger date
- Task and subtask steps in order
- Example internal and external deadline offsets
- Federal due-date reference with an IRS source
- Example reminder timing
Nine workflow templates you can copy
The offsets and reminder timing are examples, not recommendations. Set the dates that match your firm's capacity and the commitments you have made to clients.
Form 1040 — Individual Income Tax Return
Yearly
Trigger date: Tax year end (December 31 for calendar-year filers)
- 1.Engagement letter signed
- 2.Organizer and document request sent
- 3.Documents received and checked against the checklist
- 4.Data entry
- 5.Preparer review
- 6.Partner review
- 7.Client review and signature authorization
- 8.Return filed by the firm's usual method
- 9.Acceptance confirmed
- 10.Archive and close the job
Example offsets: Internal deadline: trigger date plus 90 days. External deadline: plus 100 days.
Federal due date: Generally April 15 for calendar-year filers, with an automatic extension to October 15 using Form 4868 — an extension to file, not to pay.
Example reminder timing: Document request 8 weeks before the internal deadline, follow-up every 2 weeks while the job sits in a waiting status.
Source: IRS: Form 1040 instructions
Build this in Remindoo →Form 1120-S — S Corporation Return
Yearly
Trigger date: Corporate tax year end
- 1.Engagement letter signed
- 2.Trial balance and bookkeeping brought current
- 3.Document request sent
- 4.Book-to-tax adjustments
- 5.Return prepared
- 6.Partner review
- 7.Schedule K-1s prepared and checked
- 8.Client review and authorization
- 9.Return filed
- 10.K-1s delivered to shareholders
Example offsets: Internal deadline: trigger date plus 60 days. External deadline: plus 70 days.
Federal due date: Generally the 15th day of the 3rd month after the tax year ends — March 15 for calendar-year corporations. Extension requested with Form 7004.
Example reminder timing: Bookkeeping catch-up reminder 10 weeks out; K-1 delivery reminder after filing.
Source: IRS: About Form 1120-S
Build this in Remindoo →Form 1065 — Partnership Return
Yearly
Trigger date: Partnership tax year end
- 1.Engagement letter signed
- 2.Books closed and reconciled
- 3.Document request sent
- 4.Partner capital accounts reviewed
- 5.Return prepared
- 6.Partner review
- 7.Schedule K-1s prepared
- 8.Client authorization
- 9.Return filed
- 10.K-1s delivered to partners
Example offsets: Internal deadline: trigger date plus 60 days. External deadline: plus 70 days.
Federal due date: Generally the 15th day of the 3rd month after the tax year ends. Extension requested with Form 7004.
Example reminder timing: Capital account query reminder to the assignee at the internal deadline minus 14 days.
Source: IRS: About Form 1065
Build this in Remindoo →Form 1120 — C Corporation Return
Yearly
Trigger date: Corporate tax year end
- 1.Engagement letter signed
- 2.Trial balance received
- 3.Document request sent
- 4.Book-to-tax adjustments
- 5.Return prepared
- 6.Partner review
- 7.Client review and authorization
- 8.Return filed
- 9.Estimated payments for the next year discussed
Example offsets: Internal deadline: trigger date plus 90 days. External deadline: plus 100 days.
Federal due date: Generally the 15th day of the 4th month after the tax year ends for calendar-year corporations. Fiscal-year filers follow different rules. Extension requested with Form 7004.
Example reminder timing: Estimated payment discussion reminder 30 days after filing.
Source: IRS: About Form 1120
Build this in Remindoo →Quarterly Estimated Taxes — Form 1040-ES
Quarterly
Trigger date: Quarter end
- 1.Income and payments to date reviewed
- 2.Estimate recalculated
- 3.Payment voucher or payment instructions prepared
- 4.Client notified with the amount and the date
- 5.Payment confirmed and recorded
Example offsets: Internal deadline: 14 days before the payment date. External deadline: the payment date.
Federal due date: Generally April 15, June 15, September 15 and January 15 of the following year for calendar-year taxpayers.
Example reminder timing: Client reminder 10 days before each payment date; internal follow-up 3 days after.
Source: IRS: Estimated taxes
Build this in Remindoo →Form 941 — Employer's Quarterly Federal Tax Return
Quarterly
Trigger date: Quarter end
- 1.Payroll reports pulled for the quarter
- 2.Wages and withholding reconciled to deposits
- 3.Return prepared
- 4.Review
- 5.Client authorization
- 6.Return filed and copy saved to the client folder
Example offsets: Internal deadline: quarter end plus 20 days. External deadline: plus 28 days.
Federal due date: Generally due by the last day of the month following the end of the quarter.
Example reminder timing: Payroll data request to the client 10 days after quarter end.
Source: IRS: About Form 941
Build this in Remindoo →Form W-2 and 1099-NEC season
Yearly
Trigger date: December 31
- 1.Contractor and employee lists confirmed with the client
- 2.Missing W-9 information requested
- 3.Amounts reconciled to the books
- 4.Forms prepared
- 5.Client approval
- 6.Forms issued to recipients and filed
- 7.Copies archived
Example offsets: Internal deadline: December 31 plus 21 days. External deadline: plus 31 days.
Federal due date: W-2 and 1099-NEC are generally due to recipients and filed with the SSA or IRS by January 31.
Example reminder timing: W-9 chase reminder in early December; final confirmation reminder 10 days before the deadline.
Source: IRS: About Form 1099-NEC
Build this in Remindoo →Monthly Bookkeeping Close
Monthly
Trigger date: Month end
- 1.Bank and credit card feeds reviewed
- 2.Reconciliations completed
- 3.Uncategorized transactions cleared
- 4.Accruals and adjustments posted
- 5.Review
- 6.Financial statements sent to the client
- 7.Client questions logged and answered
Example offsets: Internal deadline: month end plus 10 days. External deadline: plus 15 days.
Federal due date: No federal due date. The firm sets the service level it has agreed with the client.
Example reminder timing: Missing-records reminder to the client 5 days after month end; assignee nudge 3 days before the internal deadline.
Source: IRS: Small business recordkeeping
Build this in Remindoo →Client Onboarding
One-time
Trigger date: Engagement accepted
- 1.Engagement letter issued and signed
- 2.Client information gathered
- 3.Access to the accounting system arranged
- 4.Prior-year documents collected
- 5.Kickoff call
- 6.First service scheduled
Example offsets: Internal deadline: acceptance plus 14 days.
Federal due date: No federal due date. State-level requirements such as state returns and sales tax registration vary by state.
Example reminder timing: Document request on day 1; follow-up on day 7 while the job waits on the client.
Source: IRS: Employer ID numbers
Build this in Remindoo →Due dates shift when they fall on a weekend or legal holiday, and the IRS can extend deadlines for disaster relief. Always confirm current dates on IRS.gov.
When a spreadsheet stops working
A single template in a spreadsheet is fine. The strain appears when the same workflow has to run for two hundred clients on different trigger dates, with several people working the list and three frequencies in play at once.
The usual breaking points are the same in most firms: nobody can tell at a glance which jobs are waiting on documents, deadlines have to be re-typed when a date moves, reminders depend on a person remembering, and a new hire cannot see the process without being walked through it.
At that point the template stops being a document and becomes a setting. Service templates in Remindoo hold the steps, the trigger date and the reminders, and recurring work automation creates the next round of jobs from them.
Frequently asked questions
What is an accounting workflow template?
It is a reusable definition of how your firm delivers one service: the steps in order, who does them, when the work is due internally and externally, and when reminders go out. Once written down, it can be rebuilt in any practice management system or run from a spreadsheet.
What should a tax return workflow include?
At minimum: engagement acceptance, the document request, a check that what arrived is complete, preparation, preparer review, partner review, client review and authorization, filing, confirmation of acceptance, and archiving. Review points matter more than the number of steps.
How do I build a recurring bookkeeping workflow?
Start from the trigger date, which for a monthly close is month end. Add the steps in the order they actually happen, set an internal deadline as a number of days after the trigger, set the client-facing date a few days later, and attach a reminder for missing records.
When is Form 1120-S due?
Generally the 15th day of the 3rd month after the corporation's tax year ends, which is March 15 for calendar-year filers, with an extension available using Form 7004. Dates shift for weekends and legal holidays, so confirm the current date on IRS.gov.
When are quarterly estimated taxes due?
For calendar-year taxpayers the payments are generally due April 15, June 15, September 15 and January 15 of the following year. These dates move when they fall on a weekend or legal holiday, and can be postponed for disaster relief, so always check IRS.gov.
Can I use these templates in my own software?
Yes. They are written as plain steps, trigger dates, offsets and reminder timing, so they can be rebuilt anywhere — a spreadsheet, your existing system, or Remindoo, where each becomes a service template that generates the work automatically.
Sources
- IRS: Form 1040 instructions — Form 1040 — Individual Income Tax Return
- IRS: About Form 1120-S — Form 1120-S — S Corporation Return
- IRS: About Form 1065 — Form 1065 — Partnership Return
- IRS: About Form 1120 — Form 1120 — C Corporation Return
- IRS: Estimated taxes — Quarterly Estimated Taxes — Form 1040-ES
- IRS: About Form 941 — Form 941 — Employer's Quarterly Federal Tax Return
- IRS: About Form 1099-NEC — Form W-2 and 1099-NEC season
- IRS: Small business recordkeeping — Monthly Bookkeeping Close
- IRS: Employer ID numbers — Client Onboarding
- IRS: When to file — weekend and legal holiday rules
- IRS: Tax relief in disaster situations — postponed deadlines
These examples are general workflow guidance for US accounting firms, not tax or legal advice. Confirm current due dates and requirements with the IRS and relevant state agencies.
Turn these templates into running work
Bring one of your services to a walkthrough and we will build it as a template — tasks, trigger date, deadlines and reminders — on the call.