The short answer
Use one calendar row per client obligation, with a reporting period, source, internal milestones, owner and reviewer. Work backwards from the confirmed external date and reserve review capacity. Maintain the plan when client scope, rules or staffing change instead of copying last year's dates unchanged.
Use one row per obligation and period
A year-at-a-glance grid is useful for meetings, but it is a poor master record. Put the working data in a table with one row per client obligation and period. A single row called 'annual accounts' for the whole firm hides different financial years, reviewers and missing information.
Copy these columns into your working table
| Column | Example | Why it matters |
|---|---|---|
| Client / service | Client A / annual accounts | Defines the work being scheduled |
| Period | Financial year ending 31 December | Separates reporting period from due date |
| External due date / source | Confirmed date and official reference | Shows the rule behind the target |
| Internal milestones | Documents, preparation, review, approval | Makes time before filing visible |
| Preparer / reviewer / substitute | Named people | Shows who can act |
| Estimate / remaining hours | Initial budget and updated remainder | Supports workload planning |
| Status / next action | Waiting for stock count / call client | Explains what happens next |
Populate the year in three passes
First add established monthly and quarterly work. Second add annual engagements using each client's financial year and verified obligations. Third add firm commitments: training, staff leave, software renewals and internal policy reviews. Keep these internal events distinct from statutory work so nobody mistakes a training date for a filing requirement.
For each annual engagement, work backwards from delivery or filing. Reserve document collection, preparation, review and client approval. If a reviewer has 20 available hours in a week and eight jobs each require three hours, the calendar already contains a four-hour gap. Moving all eight review dates to Friday conceals the problem.
Show work that blocks other work
Stock counts, bank confirmations and payroll reconciliations may hold up annual accounts. Put each dependency into the plan with its owner and required date. A deadline without a dependency says only when you hoped the job would finish.
Use a fictional Client A to test the template. Its financial year closes in June, documents arrive in July and its approver is away in August. A copied December year-end pattern will be wrong even when the checklist items are broadly suitable. Adjust milestones to the client's actual timetable.
Review the calendar every quarter
Quarterly maintenance checklist
Quarterly maintenance checklist
- Check new clients, terminated engagements and changes in service scope.
- Review financial years, reporting frequencies and obligation sources.
- Replace initial estimates with actual time from comparable completed jobs.
- Check reviewer availability and staff leave before shifting dates.
- Inspect overdue dependencies and give each a next action.
- Confirm who owns every upcoming client approval and filing.
Do a shorter weekly review during peak periods. Ask which jobs must be ready next, which are waiting on clients and which have no reviewer. Record a decision, not just a new colour. Preserve the previous deadline and reason when a target changes so a postponed job does not look like an on-time one.
Turn the plan into working tasks
A spreadsheet is adequate if its owner can keep it current and the team can see the same version. A task system becomes useful when many people change status, requests and dependencies. In Claister, recurring work and client records can hold that execution context; a calendar alone does not replace the accounting ledger.
Keep the Lithuania tax calendar as the source for that country's common obligations, and use the capacity planning example to check whether the annual plan fits the team. This article's template is an operational planning aid, not a universal legal filing schedule.
Questions
Use a shared structure, then set actual periods, obligations and milestones for each client. Financial years and approval arrangements can differ.
Separate preparation and review at minimum. Use comparable completed work to improve estimates rather than assigning the same hours to every client.
About this article
Author: Claister
Published by Claister, the company building the accounting practice management software discussed on this website.
Design partner: Natalija Miadzelic
Editorial review: Natalija Miadzelic · Accountant · Approved
Editorial policyAccounting firm capacity, fees and profitability
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