Timesheets & Workforce

Timesheet Approval Workflows: Who Should Approve and When

11 May 2025·Relentify·11 min read
Manager reviewing timesheets on a dashboard with approve and reject buttons

A timesheet without approval is just a claim. It might be accurate, or it might contain errors — honest mistakes, forgotten breaks, accidental double entries, or occasionally something more deliberate. The approval step is what turns raw time data into verified records that can safely feed into payroll, invoicing, and compliance documentation.

Yet many small businesses either skip approval entirely or treat it as a rubber-stamp exercise where someone clicks "approve all" on Monday morning without actually looking. Neither approach protects your business. This article explains how to structure timesheet approval workflows that actually work — catching errors without creating a bottleneck.

Why timesheet approval workflows matter

Catching errors before they cost you

The most immediate benefit of approval is error detection. A manager who knows the team's schedule can spot a timesheet showing ten hours when the shift was eight, or a clock-in at 6am on a site that doesn't open until 9am. Caught before payroll processing, these errors take two minutes to fix. Discovered after paycheques have been issued, they become disputes, complaints, and sometimes demands for corrections.

The employer is responsible for the accuracy of employment records. That responsibility doesn't disappear if you didn't notice the error — it just becomes more expensive.

Establishing clear accountability

When a manager approves a timesheet, they're taking responsibility for its accuracy. This actually matters. Knowing they'll be the one answering questions about it encourages managers to review the data rather than just clicking "approve all." It also creates an audit trail — if a discrepancy surfaces later, you can identify who approved the timesheet, when, and what they saw.

Supporting compliance (and protecting yourself in disputes)

Employment records are only as reliable as the process that creates them. Unreviewed, self-reported timesheets don't carry much weight in a dispute. Approved timesheets, by contrast, represent a verified record that both worker and manager have agreed to — and you have documented proof of that agreement.

This matters if HMRC, an employment tribunal, or an unhappy worker ever comes knocking. Statutory breaks rules and minimum wage calculations both assume you have a reliable recordkeeping process.

Reducing fraud (and honest mistakes)

While most timesheet errors are genuine accidents, approval is also a deterrent against deliberate time inflation. Workers who know their timesheets will be reviewed by someone familiar with the schedule are less likely to pad hours or misrepresent their attendance. Even well-meaning staff occasionally make mistakes — clocking in twice by accident, forgetting to log a break — that a quick review catches immediately.

Designing your approval workflow

An effective timesheet approval workflow answers three questions: who approves, what they review, and when the cycle runs.

Who should approve

The approver should be someone with direct knowledge of the work being done. In most businesses, this is the line manager or site supervisor. They know the schedule. They know who was present. They can identify discrepancies.

Common approval structures:

Single approver per team — One manager approves all timesheets for their team. Simple and effective for small teams (up to 15–20 people). The manager has oversight without being overwhelmed.

Site-based approval — Each site or location has a designated approver. Essential for multi-site businesses where a central manager can't observe every location. The site manager has the context to spot problems.

Two-tier approval — A supervisor does an initial review, then a senior manager or payroll administrator gives final sign-off. This adds a safety net but also adds time. Worth it for safety-critical industries, but probably overkill for most small businesses.

Self-approval with audit — Workers submit timesheets that are automatically approved but flagged for random audit. This works in genuinely high-trust environments but offers minimal protection against errors.

For most small businesses, single approver per team or site is the right balance. It's simple enough to sustain and thorough enough to catch problems.

What should actually be reviewed

Here's where many businesses go wrong: they ask managers to recalculate every timesheet from scratch. That's not sustainable, and it's not necessary.

A good timesheet system highlights the items that need attention, so managers spend time on exceptions, not routine entries. The approval dashboard should flag:

  • Shifts that exceed normal duration — If a standard shift is eight hours, a timesheet showing twelve hours should be highlighted automatically.
  • Missing breaks — If a worker didn't record a statutory break on a shift where one is required, it's flagged.
  • Unusual clock-in or clock-out times — If a worker clocked in 45 minutes before their scheduled start, that's worth reviewing.
  • Unmatched entries — A clock-in without a corresponding clock-out (or vice versa) indicates a forgotten entry or system glitch.
  • Location anomalies — If GPS verification is enabled, clock-ins from unexpected locations are flagged.

The goal is to make approval focused rather than exhaustive. Most timesheet approvals should take under five minutes. This is why choosing the right timesheet software matters — a poor system buries exceptions in noise, while a good one surfaces only what actually needs human judgment.

When to run the cycle (and what reminders you need)

The approval cycle should align with your payroll cycle:

  • Weekly payroll — Workers submit by end of day Friday, managers approve by Monday morning.
  • Fortnightly payroll — Submit end of week two, approve by early week three.
  • Monthly payroll — Submit by month-end, approve within the first two working days of the new month.

The key is leaving enough time between submission and payroll processing for managers to review and for any queries to be resolved.

And here's where you'd think manual follow-up would be fine: workers forget to submit, managers forget to approve. But manual reminders are time-consuming and reliably unreliable. Automatic reminders should be built into the system:

  • Submission reminders to workers who haven't submitted by the deadline
  • Approval reminders to managers with pending approvals
  • Escalation notifications if approval hasn't happened within a defined time window

One good system beats a spreadsheet and three email reminder drafts.

Handling exceptions and queries

Disputed entries

If a manager questions a timesheet entry, the worker should have the chance to explain or correct it. A good system supports simple back-and-forth:

  1. Manager flags the entry with a note ("Your timesheet shows 10 hours but the shift was scheduled for 8. Can you confirm?")
  2. Worker responds ("I stayed late to finish the job — site supervisor approved it")
  3. Manager approves or rejects based on the explanation

This dialogue stays recorded in the system as part of your audit trail. That matters if there's ever a dispute.

Late submissions

Define a clear policy for late timesheet submissions:

  • Accept with a warning (and a note on the record)
  • Accept but delay payment to the next payroll cycle
  • Reject and require manual correction

Whatever your policy, communicate it clearly and enforce it consistently. Late submissions disrupt the approval cycle and delay everyone's payroll.

Manual adjustments

Sometimes timesheets need correction — a worker forgot to clock out, or clocked in at the wrong site. Your system should allow managers to make manual adjustments, but every adjustment must be logged with a reason. That audit trail protects both manager and worker.

Common mistakes to avoid

Approving without actually looking

If managers approve entire batches without checking individual entries, the approval process is security theatre. It creates the illusion of control without actually catching errors.

Fix: Make your approval interface highlight anomalies. If nine out of ten timesheets are routine, the manager only needs to spend time on the tenth.

Making approval too slow

If approval takes days, it delays payroll and frustrates workers. The goal is quick review, not forensic analysis.

Fix: Set clear deadlines and enforce them with reminders. Most approvals should take minutes.

Skipping approval entirely

Some businesses treat approval as optional — workers submit hours and they go straight to payroll. This is a genuine risk. One undetected error can cascade into incorrect paycheques, compliance failures, or minimum wage underpayments that regulators can recover plus penalties.

Fix: Make approval a mandatory step before payroll processing. Even a ten-minute review is better than none.

One person approving everything

As a business grows, the owner or office manager becomes the bottleneck — approving timesheets for every worker across every site. This doesn't scale. You also lack the context to spot errors at sites you never visit.

Fix: Delegate approval to site managers or team leaders who are closer to the actual work. When you're setting this up, consider how it will work as you track overtime and export data for invoicing.

A well-functioning workflow in practice

Here's what a weekly cycle looks like when it's working:

Friday 5pm: Workers are reminded to review and submit timesheets for the week.

Saturday 9am: System flags any unsubmitted timesheets and sends reminders.

Monday 9am: Managers receive notification that timesheets are ready for approval. The dashboard highlights anomalies.

Monday 1pm: Most timesheets are approved. The manager has flagged two entries with questions and is waiting for responses.

Monday 4pm: Queries resolved. All timesheets approved.

Tuesday: Approved hours are exported to your payroll system. The payroll team processes payments with confidence that the data has been verified.

This cycle takes a manager perhaps 15–20 minutes on Monday. In exchange, your business gets accurate payroll, clean records, and a documented process that stands up to scrutiny.

Frequently Asked Questions

Q: Can we skip approval and just audit timesheets randomly? A: Technically yes, but it's riskier. Random audits catch problems retroactively, which means your payroll might already be wrong. Approval catches errors before they become payroll mistakes. Use audits to supplement approval, not replace it.

Q: What if a manager and worker disagree about whether the timesheet is correct? A: The discussion should be documented in the system. If you can't resolve it, escalate to a senior manager or HR. Your system's audit trail makes it clear what was recorded, when, and by whom. This protects both parties.

Q: How much detail should we require in a manager's review? A: Just enough to catch real problems. If the timesheet shows routine entries matching expectations, approval should take seconds. Only entries flagged by the system (late clocks, missing breaks, duration anomalies) need detailed review.

Q: Can we automate approval entirely? A: Partially. You can automatically approve timesheets that match expectations and flag exceptions for human review. But someone human should always review the exceptions — that's where your accountability and error detection come from.

Q: What happens if someone forgets to approve their timesheet before payroll processing? A: Your system should block payroll processing until approval is complete. An escalation reminder goes to whoever needs to approve (or their manager). Timesheet approval shouldn't be optional — it's a required step, not a nice-to-have.

Q: Does documented approval create legal liability if a payroll error happens anyway? A: It actually reduces liability. Documented approval shows you exercised reasonable care. If an error slips through despite your approval process, you have evidence you had a system in place. Without approval, you're claiming you had no verification process at all.

Q: How long should we keep approved timesheets? A: At least three years. Regulators can go back three years if investigating a wage complaint, and six years in some cases. Your system should archive approved timesheets automatically with their approval records intact.

Get it right, get it done

Timesheet approval isn't bureaucracy — it's quality control. It catches errors, establishes accountability, supports compliance, and deters fraud. The key is designing a workflow that's effective without being onerous: the right people reviewing the right things at the right time, supported by a system that highlights exceptions and automates reminders.

Get this right, and everything downstream — payroll, invoicing, compliance reporting — becomes easier and more reliable. When you're reducing fraud and building your system, start by deciding who approves, what they actually need to review, and when. Then implement a system that makes it simple to do consistently.

Try Relentify's timesheet system free for 14 days and see how approval workflows can work for your business.