The verdict in three sentences
A network of 4 staffing branches managing 900 active temporary workers produces thousands of assignments, extensions, timesheets and invoices every month, with compliance risk at each delay. Custom staffing software costs roughly 60,000 to 120,000 USD in 2026, delivered in 5 to 7 months, with automated onboarding and I-9 workflows, e-signature and mobile timesheets. It makes sense when off-the-shelf tools force you to stack paid add-ons or do not fit your large industrial and energy clients.
Off-the-shelf or custom software
Subscription staffing platforms cover the core well. Their cost climbs quickly with add-ons (e-signature, client portal, worker app, payroll connectors) and their rigidity hurts when a refinery or petrochemical client imposes its own timesheet or invoice format.
| Criterion | Off-the-shelf platform | Custom software |
|---|---|---|
| Entry cost | 3,000 to 10,000 USD setup | 60,000 to 120,000 USD |
| Subscription (4 branches) | 250 to 500 USD per branch per month, or 12,000 to 24,000 USD a year | No licence fee |
| Add-ons (e-signature, app, portal) | 6,000 to 18,000 USD a year depending on volume | Included in scope |
| Large client formats | Limited configuration | Timesheets and invoices in the client's format |
| Hosting and maintenance | Included | 9,000 to 18,000 USD a year |
| 5-year cost | 93,000 to 220,000 USD | 105,000 to 210,000 USD |
Scope and budget
| Module | Content | Indicative 2026 budget (USD) |
|---|---|---|
| Talent pool and worker files | Resumes, certifications (OSHA, TWIC), documents, expiry dates | 8,000 to 16,000 |
| Job orders and placement | Client needs, matching, scheduling | 9,000 to 18,000 |
| Onboarding and assignments | I-9 and E-Verify workflow, W-4, e-signed assignment letters | 12,000 to 24,000 |
| Mobile timesheets | Worker entry, client approval, overtime rules | 10,000 to 20,000 |
| Client invoicing | Markups, large client formats, accounting export | 9,000 to 18,000 |
| Payroll preparation | Hours, overtime, per diem, export to payroll provider | 7,000 to 14,000 |
| Dashboards | Margin per client, time to fill, active headcount | 5,000 to 10,000 |
| Total | 5 to 7 months | 60,000 to 120,000 |
The software prepares payroll data and exports it to your existing payroll provider, which handles tax filings and W-2s. Rebuilding a full payroll engine makes no economic sense for a 4-branch network.
Compliance points not to miss
Form I-9 Section 2 must be completed within 3 business days of the start date, and overtime above 40 hours a week is paid at 1.5 times the regular rate under the FLSA. The software blocks a placement without completed onboarding, flags expired certifications such as TWIC cards for port and refinery sites, and applies client-specific overtime and per diem rules. These controls avoid fines and back-pay claims that can quickly reach tens of thousands of dollars.
Mini case study
Maria, owner of a 4-branch staffing network in Houston (illustrative case), processes about 2,500 assignments and extensions a month. Saving 6 minutes per assignment through automatic generation, onboarding checks and e-signature gives her team back 250 hours a month. Mobile timesheets remove re-keying of 900 weekly timesheets, another 60 hours a month. Valued at 32 USD loaded cost, these 310 hours are worth about 9,900 USD a month. With a 95,000 USD project and 14,000 USD of annual maintenance, payback comes in roughly 10 to 11 months.
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FAQ
Can the software handle I-9 and E-Verify?
Yes, it guides the onboarding workflow and tracks the 3-business-day deadline, with E-Verify submission through the official service. A placement without completed onboarding is blocked.
Is e-signature legally valid for assignment letters?
Yes, under the ESIGN Act and Texas UETA. Cost is around 0.50 to 1.50 USD per signature depending on provider and volume.
Do we need to replace our payroll provider?
No. The software prepares hours, overtime and per diem and exports them to your payroll provider, which remains responsible for tax filings.
Can clients approve hours themselves?
Yes, a client portal lets supervisors approve timesheets online. This cuts billing disputes and brings cash in 5 to 10 days earlier on average.
How quickly can we start?
Batch 1 with talent pool, assignments, onboarding and e-signature can be delivered in 3 months for 35,000 to 50,000 USD. Timesheets, invoicing and payroll follow in batch 2.
Let's scope your project. Share the number of branches, monthly assignments and current tools: we price a scope in batches, with an indicative budget and delivery date. 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.
