The verdict in three sentences
A SaaS ATS (EUR 40 to 120 per user/month) is enough while your recruitment process stays standard and your headcount is below 15 consultants. As soon as you bill on success, cross several talent pools or automate sourcing, a custom tool (EUR 30,000 to 80,000) protects your margins. The right call hinges on cost per placement, not on the software price tag.
SaaS ATS or custom: the 2026 grid
A market ATS (Applicant Tracking System) covers 80 % of a generalist agency's needs. Custom pays off when your operational edge — proprietary scoring, sector matching, client portal — becomes a commercial asset.
| Criterion | SaaS ATS | Custom |
|---|---|---|
| Entry cost (10 users) | EUR 400 to 1,200/month | EUR 30,000 to 80,000 one-off |
| 3-year cost | EUR 14,000 to 43,000 | EUR 40,000 to 95,000 (with support) |
| Time to launch | 2 to 6 weeks | 3 to 6 months |
| Workflow customization | Limited to options | Total |
| Data ownership | Vendor | You |
| Custom client portal | Rare | Native |
| Multi-brand scalability | Complex | Designed in from day one |
The modules that cut time-to-fill
Time-to-fill is the core metric. Every module should be measured in days saved or assignments handled per consultant.
| Module | Key function | Measured impact |
|---|---|---|
| Multichannel sourcing | LinkedIn, job boards, referrals | +30 to 50 % qualified candidates |
| Visual pipeline (kanban) | Assignment tracking by stage | -20 % dropped assignments |
| Candidate scoring | Skill/role matching | -2 to 4 days of screening |
| Integrated client CRM | Account tracking and follow-ups | +15 % signed assignments |
| Success-based billing | Triggered on signature | -5 days billing delay |
| KPI reporting | Time-to-fill, conversion dashboards | Data-driven decisions |
Mini case study
Elodie runs an 8-consultant IT recruitment agency in Lyon. Each consultant handles 6 active assignments and loses about 5 hours a week on manual data entry and follow-ups. At a loaded cost of EUR 45/hour, that is 8 x 5 x 45 x 45 weeks = EUR 81,000/year of non-billable time. A custom tool at EUR 55,000 that cuts this time by 60 % frees nearly EUR 48,000 in year one, then every year after. ROI lands in 14 months, before counting the gain on placement rate.
FAQ
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Isn't a market ATS enough to start?
Yes. Below 10 consultants with a classic process, a EUR 60 per user/month ATS covers the essentials. Custom becomes relevant beyond EUR 150,000 of cumulative 3-year software cost, or when a business rule cannot be configured.
How long to build a custom tool?
Plan 3 to 6 months depending on scope: 3 months for an internal ATS focused on pipeline and billing, 6 months with automated sourcing, client portal and advanced reporting.
Which KPIs should I track?
Time-to-fill (ideally 25 to 35 days), candidate-to-placement conversion, margin per assignment and active assignments per consultant. A real-time dashboard beats a monthly export.
Can we migrate data from the old ATS?
Yes. Budget a migration phase (candidates, history, clients) between EUR 3,000 and 8,000 depending on volume and data cleanliness.
Is custom more expensive long term?
Not necessarily. Above 12 to 15 users, SaaS subscriptions often exceed the amortized cost of a dedicated tool, support included (12 to 20 %/year of the build).
Let's scope your project. Tell us your consultant count, assignment volume and current pain points; we frame a custom ATS scope between EUR 30,000 and 80,000. 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.
