The verdict in three sentences
For an executive search firm with 20 consultants, a SaaS ATS costs between EUR 19,200 and EUR 43,200 per year in licences, before paid add-ons. A custom ATS requires EUR 50,000 to 120,000 excl. VAT of initial development, then EUR 8,000 to 18,000 per year of maintenance. It pays off as soon as the firm has a specific search process, a differentiating client portal or a talent pool of more than 50,000 profiles to manage properly under GDPR.
What an ATS costs in 2026: SaaS, configured or custom
Market ATS vendors (US, European or Dutch) charge per user per month. The price climbs quickly once you add job multiposting, AI parsing or integrations with payroll and e-signature.
| Option | Upfront cost | Annual cost (20 users) | Time to go live | Business flexibility |
|---|---|---|---|---|
| Entry-level SaaS ATS | EUR 0 to 2,000 | EUR 19,200 (EUR 80/user/month) | 2 to 4 weeks | Low |
| Premium SaaS ATS (executive search) | EUR 3,000 to 8,000 | EUR 43,200 (EUR 180/user/month) | 1 to 3 months | Medium |
| Add-on modules (multiposting, AI parsing) | EUR 0 | EUR 4,000 to 12,000 | Immediate | Low |
| Custom ATS, core version | EUR 50,000 to 70,000 | EUR 8,000 to 12,000 maintenance | 4 to 5 months | High |
| Full custom ATS (client portal, AI, BI) | EUR 90,000 to 120,000 | EUR 12,000 to 18,000 | 6 to 8 months | Very high |
| European cloud hosting | EUR 0 | EUR 2,400 to 6,000 | Immediate | N/A |
These amounts are 2026 orders of magnitude seen on projects for firms with 10 to 40 consultants. The job multiposter (Indeed, LinkedIn, Nationale Vacaturebank, sector job boards) often remains a third-party subscription, even with a custom build, billed EUR 150 to 400 per month.
The features that justify a custom build
An executive search firm does not work like an in-house HR team. The pipeline follows the client mandate, shortlists are presented to the client, and the firm's value lies in its historical talent pool. That is where generic ATS tools fall short.
- Mandate management: flat or percentage fees (often 18 to 25% of gross annual salary), retainers, stage-based invoicing.
- AI CV scoring: ranking candidates against the mandate, with an explanation of the score to stay compliant with the EU AI Act on high-risk recruitment systems.
- Client portal: the HR director approves the shortlist, comments on profiles and schedules interviews without email back-and-forth.
- GDPR-compliant talent pools: retention of 4 weeks after the process or up to 1 year with consent (Dutch DPA guidance), automatic consent renewal, logged deletion.
- Multiposting and sourcing: a job ad entered once, published on 10 to 30 channels, with cost-per-application statistics.
| 5-year criterion (20 consultants) | Premium SaaS ATS | Custom ATS |
|---|---|---|
| Cumulative licence or development cost | EUR 216,000 | EUR 90,000 |
| Cumulative maintenance and hosting | Included | EUR 70,000 |
| Add-on modules | EUR 40,000 | Included |
| 5-year total | EUR 256,000 | EUR 160,000 |
| Ownership of code and data | No | Yes |
| Average annual price increase | 5 to 8% | Under control |
| Fit with the search process | Limited configuration | Full |
Custom wins over 5 years from 15 to 20 users. Below 8 consultants, a well-chosen SaaS is usually the better choice.
Mini case study
Sarah, partner at an executive search firm in Amsterdam (20 consultants), pays EUR 165 per user per month for a US ATS, or EUR 39,600 per year, plus EUR 6,000 for multiposting. Her consultants lose about 3 hours per week on re-keying data and manually sending shortlists.
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With a custom ATS at EUR 95,000 and EUR 14,000 of annual maintenance, the maths runs as follows: 20 consultants × 3 h × 45 weeks = 2,700 hours recovered per year. Valued at EUR 60 per hour, that is EUR 162,000 of potential billable time. Even keeping only a third of that gain, EUR 54,000, and adding the EUR 31,600 of licences saved each year, the project pays back in under 14 months.
FAQ
How long does it take to build a custom ATS?
Allow 4 to 5 months for a core version (candidates, mandates, pipeline, multiposting) and 6 to 8 months for a full version with client portal and AI scoring. Migrating data from the old ATS usually takes 2 to 4 weeks.
Is AI CV scoring legal in 2026?
Yes, but the AI Act classifies candidate screening as a high-risk use. You must document the model, keep human validation and inform candidates, which represents EUR 5,000 to 10,000 of compliance work.
Can we recover the data from our current ATS?
In most cases yes, via CSV export or API. A pool of 80,000 profiles with attachments migrates in 2 to 3 weeks, including duplicate cleaning.
How long can we keep candidate data?
The Dutch DPA guidance is 4 weeks after the process, or up to 1 year with explicit consent. A custom ATS automates consent renewal and deletion, avoiding fines of up to 4% of turnover.
What budget to start small?
A first phase of EUR 50,000 to 60,000 covers the candidate base, mandates and pipeline. The client portal and AI modules are then added in phases of EUR 15,000 to 30,000.
Let's scope your project. Send us your number of consultants, your current ATS and your three main pain points: we will price a custom ATS in phases, from EUR 50,000 to 120,000, with a 4 to 8 month timeline. 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.
