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Time, budgets & capacity
Estimated vs Actual Time: Find Jobs That Overrun
The gap between what a job should take and what it actually takes tells you almost everything
Built by a practising Chartered Accountant · Unlimited users · Free for 60 days
Quick answer
Comparing estimated versus actual time means checking, job by job, whether the hours a task was budgeted for match the hours it actually took. The gap between the two is the clearest early signal that a job is overrunning, a client has become more complex than priced for, or an estimate was simply wrong — and it's most useful when reviewed regularly rather than only after a problem appears.
Why compare estimated and actual time rather than just tracking actual hours?
Actual hours on their own tell you how long something took; comparing them against an estimate tells you whether that was expected, and by how much it wasn't.
A job that takes six hours might be perfectly fine, or it might be a serious overrun — the only way to know is to compare it against what it was expected to take. Tracking actual time alone, without an estimate to measure it against, leaves you with data but no way to interpret it.
This matters more with outsourced work because the person setting the estimate (the UK office, usually) and the person doing the work (the offshore team) are different people in different locations, so the two figures need to be compared explicitly rather than reconciled informally in conversation.
What happens when nobody compares estimate to actual
A firm sets rough time estimates for outsourced jobs when the arrangement starts, then never revisits them. A particular client's bookkeeping, originally estimated at two hours a month, has quietly grown to five hours as their transaction volume increased.
Because nobody is comparing estimated to actual time, this drift goes unnoticed for over a year. The client's fee, based on the original two-hour estimate, no longer reflects the work involved, and the firm is effectively subsidising the account without realising it.
When the firm eventually reviews profitability across its client base, this client stands out as unprofitable — but by then, correcting the fee feels like a difficult conversation rather than a routine adjustment that should have happened gradually over the year.
Signs you've lost control
- Time estimates were set once, at the start of an arrangement, and never revisited
- You review job profitability annually rather than catching drift as it happens
- A client's fee no longer matches how long the work actually takes
- Overruns are only noticed when someone happens to mention it, not through a report
- Different jobs of the same type show wildly different actual times with nobody asking why
- There's no routine way to see which jobs are consistently over budget
How to build a regular estimated-vs-actual review
- 1
Make sure every job has both figures recorded
An estimate with no actual time recorded against it, or vice versa, can't be compared.
- 2
Set a regular review cadence
Monthly for high-volume recurring work, quarterly for lower-volume or one-off jobs.
- 3
Look at variance by job type first, then by client
This shows whether an estimate is wrong for a whole service line, or just drifting for one particular client.
- 4
Investigate the biggest gaps, not every job
Focus review time on jobs with the largest variance rather than trying to explain every minor difference.
- 5
Decide whether to adjust the estimate, the fee, or the process
A consistent overrun might mean the estimate was wrong, the client has changed, or the process itself needs fixing.
- 6
Feed the outcome back into future estimates
Update your baseline so next quarter's comparison starts from a more accurate figure.
Who owns each step of an outsourced job?
1. Assign
UK office
The UK office sets the estimated time when the job is assigned, based on current data rather than an outdated baseline.
2. Prepare
Offshore team
The offshore team completes the job, with time recorded as it happens.
3. Review
UK reviewer
A UK reviewer checks the finished work and notes the variance between estimated and actual time.
4. Approve
UK partner
A UK partner looks at variance trends across clients and services before approving fee or process changes.
5. Send
UK office
The UK office sends the completed work, and the variance data rolls into the next estimate for that job type.
How does Remindoo compare estimated and actual time on outsourced jobs?
Remindoo's estimated time allocation sets the budget for every task, and service time analysis by employee compares estimated time with hours tracked, so the variance is visible without building a separate spreadsheet. This works at the individual task level and rolls up to service and employee level, so you can see whether an overrun is a one-off or a pattern across a whole client or job type. Employee reporting and the employee task breakdown show this alongside overall workload, useful for telling the difference between an unrealistic estimate and a team member who's over capacity. Because estimates and actuals sit on the same task, there's no reconciling two separate systems — the comparison is there whenever you look at the job. It's free for 60 days.
Estimated time allocation
Plan capacity with expected effort per job.
See featureService time analysis by employee
Compare time spent by service and person.
See featureEmployee reporting
Capacity, productivity and deadline performance.
See featureEmployee task breakdown
Balance work before deadlines bunch up.
See featureWhat changes when you move off email and WhatsApp?
| Area | Email, WhatsApp and spreadsheets | Remindoo |
|---|---|---|
| Estimate vs actual | Never formally compared | Shown side by side per task |
| Overrun detection | Noticed by accident, if at all | Visible through regular service time analysis |
| Fee drift | Goes unnoticed for months or years | Flagged early through variance review |
| Review process | Annual, if it happens at all | Built into a regular monthly or quarterly cadence |
| Root cause | Assumed to be the team | Distinguished between estimate, client and process issues |
| Future estimates | Static, set once | Refined continuously from actual data |
See your offshore set-up working
A 30-minute walkthrough of teams, roles, time budgets and review steps.
How do you interpret a variance once you've found one?
A one-off overrun on a single job is usually noise; a consistent pattern across multiple instances of the same job type points to a wrong estimate, a changed client, or a process gap.
| Pattern | Likely cause | What to check |
|---|---|---|
| One job overruns once | Unusual complexity that quarter | Whether it's worth a one-off fee adjustment |
| One client consistently overruns | Client has grown more complex, or scope crept | Whether the fee still matches the work |
| One job type overruns across many clients | The original estimate was wrong | Revise the baseline estimate for that service |
| One employee consistently over time on the same job type | Training gap or unclear process | Whether procedures need to be clearer or better shared |
Frequently asked questions
How often should estimated vs actual time be reviewed?
Monthly for high-volume recurring work like bookkeeping and VAT, and at least quarterly for lower-frequency work such as annual accounts.
What variance is normal versus a concern?
There's no fixed benchmark — some variance is expected on every job. Focus on sustained patterns across multiple instances of the same job type rather than any single result.
Does a consistent overrun always mean the fee needs to increase?
Not necessarily — it might mean the estimate was wrong, the process needs improving, or the client's needs have genuinely changed, and each of those points to a different fix.
Can this comparison help with client fee reviews?
Yes — it gives a factual basis for a fee conversation with a client, rather than a general sense that an account 'feels' like more work than it used to.
Should estimates be adjusted after every job, or only after a pattern?
Generally after a pattern — adjusting an estimate based on a single unusual job risks overcorrecting for something that won't recur.
Is this only useful for outsourced work?
No — it's useful for any team, but it matters more for outsourced work because there's less informal, in-person visibility of how a job is actually going.
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Sources
Last updated: . General guidance.
Why recording every task matters in an accountancy practice
Accounting firms run on deadlines: VAT returns, payroll, confirmation statements, accounts and Self Assessment. Recording every job as a task, with an owner and a date, is the simplest way to make sure nothing is missed.
Avoid penalties
HMRC and Companies House charge penalties for late filing. A task for every deadline, with an internal date before it, gives the team a buffer.
Nothing depends on memory
Recorded tasks mean work continues when someone is off sick, on leave or has left the firm.
Consistent quality
Subtask checklists make every job follow the same steps and reviews, whoever does the work.
Visibility for managers
Filters by owner, status and deadline show at a glance what is late, what is due and who needs help.
Practical tips from UK practice
- Set an internal deadline two to four weeks before every statutory deadline.
- Use recurring tasks for repeat work such as VAT, payroll and bookkeeping.
- Break larger jobs into subtasks, including a review step.
- Comment on the task instead of by email, so the history stays with the work.
Related Remindoo features
Written and reviewed by Waqas Sagar ACA FCCA FMAAT, Chartered Accountant with 18+ years in practice. Founder and MD of Accotax, an ICAEW, ACCA and AAT regulated London practice that has served over 5,000 clients, and founder of Remindoo. Guidance is general; check current GOV.UK and professional body guidance for your firm.
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