For non-exempt US employees, the Department of Labor says employers must keep records including hours worked each day, total hours each workweek, overtime earnings, deductions, wages paid, and the pay period covered.
In the US, the FLSA requires employers to keep accurate records of hours worked for non-exempt employees. In the EU, the 2019 ECJ ruling requires all employers to track working hours. Many US states have additional requirements. Bottom line: yes, you almost certainly need to track hours.
Most tools cost 2-8 per employee per month. Some include time tracking with scheduling software. Turnozo Essential is €9.99/month for up to 10 employees and one location (centro), with every feature included; Pro is €2.99/employee/month from employee 11 or the second location (centro), billed across the whole workforce. At the cost of one timesheet error per month, the software pays for itself.
Buddy punching is when one employee clocks in or out for another. It costs US employers 373 million annually. GPS-based mobile clock-in prevents it by verifying the employee is physically at the work location. Biometric systems (fingerprint, face) also work but are more expensive.
Make it easy (one tap on their phone), make it required (no timesheet, no pay), and make it immediate (clock in when you arrive, not from memory at the end of the week). The #1 cause of inaccurate timesheets is asking people to remember hours after the fact.
The common mistakes are using records that cannot prove daily hours, rounding punches without checking neutrality, fixing missed punches from memory, separating schedules from timesheets, and reviewing overtime only after payroll closes.
Get practical ideas
Open a ready-made prompt to summarize the article and apply it to your team.
TL;DR: Time tracking is not just an admin habit. In the US, employers must keep daily and weekly hour records for non-exempt workers. In the EU, employers need an objective, reliable, accessible working-time system. For small teams, the practical risk is simple: missed punches, manual rounding, and end-of-week memory create payroll disputes you cannot defend later.
Time tracking sounds boring until payroll gets questioned.
Buddy punching. Rounded-up hours. "I forgot to clock out." Overtime you didn't approve. Breaks that weren't tracked. All of it adds up, and most managers don't see it until the payroll bill arrives. If you're trying to separate normal timesheet mistakes from actual abuse, the time theft at work guide breaks down the difference without turning every late clock-in into a disciplinary drama.
This page is a source-backed reference for small teams of 5 to 50 people. It covers the records employers need, the time tracking methods available, and the cost math behind messy timesheets.
Quick time tracking statistics
7 record categories matter in US wage-and-hour files. The US Department of Labor lists employer recordkeeping duties for non-exempt workers, including daily hours, weekly hours, overtime earnings, deductions, total wages, pay dates, and the pay period covered.
3 years is the federal retention floor for payroll records. The DOL says employers must keep payroll records for at least 3 years and keep records used for wage calculations for 2 years.
EU employers need objective working-time records. In the 2019 CCOO v Deutsche Bank ruling, the Court of Justice of the European Union said member states must require an objective, reliable, accessible system for measuring daily working time.
Quarter-hour rounding is allowed only if it averages out. DOL regulation 29 CFR 785.48 allows rounding to 5, 10, or 15 minutes only when the practice does not underpay employees over time.
10 minutes per day becomes 43+ hours per employee per year. That is 10 minutes × 260 workdays ÷ 60. At $18/hour, the direct payroll swing is $780 per employee before overtime effects.
15 employees with 8 minutes of daily errors equals 520 paid hours a year. That is why "just fix it in payroll" stops working once the team grows.
One clean clock-in system beats three loose records. A schedule, chat thread, and spreadsheet can all tell different stories. A single time clock tied to timesheets is easier to audit.
Quote-ready summary: employers do not need fancy time tracking, but they do need records that show who worked, when they worked, how overtime was calculated, and how long the records were kept. Paper can do that in theory. A mobile time clock usually does it with fewer gaps.
Sources behind these time tracking stats
Fact
Primary source
US employers must keep identifying, hours-worked, overtime, deduction, wage, and pay-period records for covered non-exempt workers
The cost examples use 260 workdays a year, which is 5 days a week × 52 weeks. They show direct payroll exposure only. They do not include overtime premiums, payroll taxes, admin time, disputes, or penalties.
For legal references, use the linked DOL, CFR, and CJEU sources as starting points, then check local rules. State, country, sector, and collective-bargaining rules can be stricter.
How much are timesheet errors costing you?
Timesheet Error Cost Calculator
See what inaccurate time tracking is costing your business.
Timesheet errors cost you roughly $
$11,093
/year
Most businesses don't realize the scale until they see the number. Even 8 minutes of error per day per employee adds up fast.
5 ways to track employee hours (compared honestly)
How it works: Employees write their hours on a sheet. Manager reviews and enters into payroll manually.
Cost: Free (sort of).
The truth: 80% error rate. No verification that anyone was actually there. Buddy punching is trivially easy. Manager spends hours re-entering data. "Free" is the most expensive option when you factor in errors and time.
How it works: Shared spreadsheet where employees enter their hours. Formulas calculate totals and overtime.
Cost: Free (actually free this time).
The truth: Better than paper because the math is automatic. But employees still self-report from memory, which means the same accuracy problems. No GPS, no verification, no real-time data. Works until someone accidentally deletes a row.
Best for: Teams under 10 with high trust and predictable schedules. We have a free schedule template if you go this route.
3. Time clock apps (mobile)
How it works: Employees clock in and out from their phone. GPS verifies they're on-site. Hours flow into automatic timesheets.
Cost: 2-8/employee/month (often included with scheduling software).
The truth: This is the sweet spot for most small businesses. One tap to clock in, GPS proves they're there, timesheets are automatic. No manual entry, no buddy punching, no end-of-week guessing. Overtime tracking is real-time.
Best for: Any team of 10+ employees. The cost pays for itself in the first month by eliminating timesheet errors. See how mobile clock-in works in practice.
Tools that do this:Turnozo (Essential is €9.99/month for up to 10 employees and one location (centro), with every feature included; Pro is €2.99/employee/month from employee 11 or the second location (centro), billed across the whole workforce), Deputy (€6/user), When I Work (€2.50/user), Homebase (free for 1 location). If QuickBooks is on your shortlist, read the QuickBooks Time review too; the QuickBooks Online requirement changes the real cost. If you're still deciding between systems, compare the broader employee scheduling software market before you buy.
4. Physical time clocks (wall-mounted)
How it works: A device at the entrance where employees swipe a card, scan a badge, or punch in.
Cost: 200-2,000 for hardware + 5-15/employee/month for software.
The truth: Reliable for fixed locations. No phone needed. But doesn't work for mobile teams (cleaning, field service, multi-location). And the hardware is another thing that breaks.
Best for: Single-location businesses (warehouses, factories, retail stores) where everyone enters through the same door.
5. Biometric systems (fingerprint/face)
How it works: Employees scan their fingerprint or face. Eliminates buddy punching entirely.
Cost: 500-5,000 for hardware + monthly software fees.
The truth: The most accurate option. Zero buddy punching. But expensive for small teams, raises privacy concerns, and some employees are uncomfortable with it. Also requires a physical location, so it doesn't work for mobile workforces.
Best for: High-security environments or businesses with documented buddy punching problems.
Which method should you use?
Method
Accuracy
Cost
Mobile teams?
Best for
Paper timesheets
Very low
"Free"
No
Nobody
Spreadsheets
Low
Free
Sort of
Under 10 employees
Mobile time clock app
High
2-8/user/mo
Yes
10-50 employees
Physical time clock
High
200-2K + monthly
No
Single location
Biometric
Very high
500-5K + monthly
No
High-security
For most readers of this guide: mobile time clock app. It's the right balance of accuracy, cost, and flexibility.
Which tracking method is right for you?
Not sure which method fits your situation? This takes 30 seconds:
Find your ideal time tracking method
4 questions. 30 seconds. Honest recommendation.
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The legal requirements (you probably need to track hours)
United States (FLSA)
The Fair Labor Standards Act requires employers to keep accurate records of:
Hours worked each day and each week
Time of day and day of week the workweek begins
Total overtime hours per week
Total wages paid each pay period
This applies to all non-exempt employees (most hourly workers). The FLSA doesn't mandate HOW you track, but "I didn't keep records" is not a defense in a wage dispute.
State-specific rules: California, New York, Oregon, and several other states have additional requirements including meal break tracking, rest period documentation, and predictive scheduling compliance.
European Union
The 2019 ECJ ruling (CCOO v Deutsche Bank) requires all EU employers to implement "an objective, reliable and accessible system" for measuring daily working hours. Member states have been implementing this at different speeds:
Spain: RD-ley 8/2019 mandates daily time recording for ALL employees. Fines of 751-7,500 EUR per violation.
Germany: Federal Labor Court ruled in 2022 that employers must record working hours.
France: Already had requirements under the Code du Travail.
If you operate in the EU, time tracking isn't optional. It's the law.
What accurate records actually means
Clock-in and clock-out times (not just total hours)
Break times (required in many jurisdictions)
Overtime hours tracked separately
Records kept for 2-7 years depending on jurisdiction
Available for inspection by labor authorities
The rounding problem
Most businesses round clock-in times to the nearest quarter hour. The 7-minute rule is the standard:
Clock in at 8:07 → rounds to 8:00 (employee gains 7 minutes)
Clock in at 8:08 → rounds to 8:15 (employee loses 7 minutes)
The problem: rounding must be neutral over time. If your rounding consistently favors the employer (which it often does), it's a wage theft liability. Multiple class-action lawsuits have been won on this exact issue.
The simplest fix: Track actual minutes. Modern time tracking tools calculate to the minute. Rounding is a relic of punch cards. If you're still using paper or spreadsheets, that's usually where inconsistent rounding creeps in first.
The goal of time tracking is clean timesheets that go straight to payroll without manual editing.
What a good timesheet process looks like:
Employees clock in/out daily (mobile or physical clock)
Hours are calculated automatically (no manual math)
Manager reviews the week's timesheets (15 minutes, not 3 hours)
Flag and fix exceptions (missed punches, forgot to clock out, overtime)
Approve and export to payroll
Common problems that break this:
Missed punches ("I forgot to clock in, can you add 8 hours?")
Early clock-ins (arriving 20 minutes early and clocking in immediately)
Meal break violations (not clocking out for breaks in jurisdictions that require it)
Overtime disputes ("I was told to stay late" vs "I chose to stay late")
Each of these has a process fix. Missed punches get flagged automatically. Early clock-in has a geofence or time window. Break tracking is enforced in the system. Overtime has a pre-approval requirement.
GPS and geofencing: are they worth it?
GPS verification: The app checks the employee's location when they clock in. Confirms they're at the work site.
Geofencing: You draw a virtual perimeter around each location. Employees can only clock in when they're inside the fence.
Are they creepy? Some employees think so. The key distinction: you're tracking where they clock in, not where they are all day. Big difference.
Are they worth it? If you have mobile teams (cleaning, field service, multi-location), GPS is close to essential. You can't verify a cleaner clocked in at the client site without it. For single-location businesses where everyone walks through the same door, it's nice-to-have but not critical.
The ROI argument: One employee clocking in from home instead of the job site costs you ~$100/week in wages for unworked hours. GPS verification pays for itself the first time it catches that.
Getting your team on board
The biggest resistance to time tracking comes from employees who see it as surveillance. Here's how to frame it:
Lead with their benefit. "Your hours will be 100% accurate. No more disputes about what you worked. If there's ever a question, the data is there."
Make it dead simple. One tap on their phone. If it takes more than 5 seconds, people won't do it consistently.
Don't retroactively punish. When you first implement tracking, you'll find discrepancies. Use the first month as a baseline, not a witch hunt.
Be transparent about what you track. "We see when you clock in and out, and your GPS location at clock-in. We don't track your location during the day or outside work hours."
Time tracking by team size
1-5 employees: A spreadsheet works. Low risk of errors at this scale. Switch when tracking becomes a weekly annoyance.
5-15 employees: The transition zone. A free tool (Homebase, Connecteam under 10) or a simple spreadsheet can still work, but errors start compounding. This is where most businesses should switch to an app.
15-30 employees: You need a proper system. Mobile clock-in, automatic timesheets, overtime alerts. At $16/hour average, 15 employees with 8 minutes of daily errors costs you $8,320/year.
Essential €9.99/month; Pro €2.99/employee/mo from employee 11 or the second location (centro), whole workforce billed
Deputy
Yes (best-in-class)
GPS + live tracking
€6/user/mo
When I Work
Yes
Geofencing only
€2.50/user/mo
Homebase
Yes
GPS at punch-in
Free; paid from $30/loc/mo
Connecteam
Yes
GPS
$29/mo per hub
Sling
Paid plans only
No
$2-4/user/mo
Clockify
Yes (standalone)
No
Free-$11.99/user/mo
If you already use scheduling software that includes time tracking, you don't need a separate tool. Running two systems means double the data entry and double the chances of errors.
If you're still using paper, don't overcomplicate the upgrade. The first win
is not perfect payroll integration. It's getting clock-in, clock-out, and
weekly totals into one system that people actually use.
Your next step
Calculate your current cost. Use the calculator above. If the number surprises you, you have a problem worth fixing.
Pick a method. For most teams of 10+, a mobile time clock app is the right answer. Try a free plan this week.
Set up overtime alerts. Whatever tool you choose, configure it to notify you before employees cross the overtime threshold. Not after.
The goal is clean timesheets with zero manual editing. Everything else in this guide is details on how to get there. If you're choosing a method, start with how to track employee hours. If rounding is your risk, go deeper on the 7-minute time clock rule. If payroll surprises are the main pain, calculate the damage in our overtime cost guide. And if the underlying issue is the rota, fix that with the broader employee scheduling guide.
