The verdict in three sentences
For a network of independent temp staffing agencies, software pays off on two levers: the speed of the timesheet, payroll and invoicing cycle and the reliability of statutory payroll filings. Off-the-shelf software at 400 to 1,200 EUR per agency per month suits a single agency. From 5 agencies and 900 workers on assignment each week, a custom tool at 60,000 to 120,000 EUR, with mobile timesheets and e-signed assignment contracts, shortens the payroll cycle by 2 days and sharply reduces invoicing disputes.
A temp agency's weekly cycle, step by step
Every week, an agency runs the same sequence: assignment contract signed before the shift starts, employee registration with the tax authority before the first day, timesheet collection from client companies, overtime and allowance checks, temp payroll, client invoicing, then monthly payroll reporting. On paper or by email, timesheet collection is the bottleneck: sheets arrive Monday noon, sometimes Tuesday, and payroll slips.
| Step | Paper or email process | Integrated digital tool | Estimated 2026 gain |
|---|---|---|---|
| Assignment contract | Printed, signed at the branch | E-signature on smartphone | 15 min per contract |
| Employee registration | Manual entry on the portal | Generated from the contract | Zero omissions, penalties avoided |
| Timesheets | Scanned paper sheets | Mobile entry approved by the client | 1 day of cycle saved |
| Hours and allowance checks | Re-keyed into payroll | Rules per agreement and per client | 60% fewer anomalies |
| Temp payroll | Day 4 after week end | Day 2 after week end | 2 days of cycle saved |
| Client invoicing | Manual weekly run | Automatic from approved timesheets | Disputes divided by 3 |
| Monthly payroll reporting | Tedious consolidation | File generated and checked | 1 to 2 days a month |
Cost comparison for a 5-agency network
2026 estimates for 5 agencies and 900 workers on assignment per week.
| Item | Low-end market software | High-end market software | Custom |
|---|---|---|---|
| Subscription or build | 400 EUR x 5 x 12 = 24,000 EUR per year | 1,200 EUR x 5 x 12 = 72,000 EUR per year | 60,000 to 120,000 EUR one-off |
| Setup and training | 3,000 to 6,000 EUR | 8,000 to 15,000 EUR | Included |
| Maintenance, hosting, regulatory updates | Included | Included | 12,000 to 18,000 EUR per year |
| Cumulative 3-year cost | 75,000 to 78,000 EUR | 224,000 to 231,000 EUR | 96,000 to 174,000 EUR |
| Mobile app for temps | Often an add-on | Included | Included, branded |
| Payroll rules per client | Limited | Adequate | Full |
| Data ownership | Vendor | Vendor | Agency network |
Custom only makes sense if your network has a strong specificity: niche sectors (construction, logistics, manufacturing), complex allowance rules or the ambition to offer a distinctive app to your temps. Otherwise, well-configured market software remains a rational choice.
Regulatory watch points
Employee registration, payroll reporting and assignment contracts are regulated and audited. Require the vendor to include reporting-standard updates in maintenance, legally valid archiving of signed contracts for at least 5 years and an audit trail of timesheet approvals by the client company. These three points account for roughly 10 to 15% of the build budget, and they protect against far costlier reassessments.
Mini case study
Julien, founder of a network of 5 temp agencies in Dublin, places 900 workers a week for revenue of 32 million EUR. His team of 4 payroll officers spends 1.5 days a week re-keying and checking timesheets.
- Investment: 95,000 EUR build and 15,000 EUR a year of maintenance.
- Re-keying time saved: 1 day a week x 4 officers x 47 weeks = 188 days, about 37,000 EUR of loaded cost.
- Invoicing disputes: credit notes cut from 0.4% to 0.15% of revenue, i.e. 80,000 EUR a year.
- Payroll cycle 2 days shorter: better temp retention, hard to quantify but decisive against large networks.
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Measurable year-one gain: about 117,000 EUR for 110,000 EUR of cost. From year two, the net gain exceeds 100,000 EUR a year.
FAQ
What budget for off-the-shelf temp agency software?
Budget 400 to 1,200 EUR per agency per month depending on modules, i.e. 24,000 to 72,000 EUR a year for 5 agencies. Setup adds 3,000 to 15,000 EUR.
Does a custom tool handle payroll reporting?
Yes, generating and checking the reporting file is part of the core. Standard updates are covered by annual maintenance of 12,000 to 18,000 EUR.
Do temps have to install an app?
Not necessarily: a mobile web app is enough to sign contracts and enter hours. Over 90% of temps own a smartphone in 2026.
How long to roll out the tool across 5 agencies?
Allow 5 to 7 months in total, with a pilot at one agency from month four. Switching the other agencies takes 4 to 6 weeks.
What happens to our data if we change provider?
With a custom tool, you own the code and database. With a vendor, write a full export within 30 days into the contract.
Let's scope your project. We define the scope (contracts, timesheets, payroll, invoicing, reporting), an indicative budget between 60,000 and 120,000 EUR and a single-agency pilot within 4 months. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
