The verdict in three sentences
A Dublin employer with 900 staff receiving 7,000 applications a year loses most of its time on the first screening of retail and warehouse roles, and replies too late to strong candidates. An off-the-shelf ATS at 300 to 1,200 EUR a month structures the pipeline, and custom AI pre-screening ranks applications against your criteria, provided a human decision stays in every step, as GDPR and the EU AI Act require. Expect 10,000 to 25,000 EUR with an Irish agency (market estimate) or 6,100 to 10,670 EUR on the Kolonell grid, with a 6-week timeline.
ATS alone or ATS plus AI pre-screening: comparing options
The ATS centralizes job posts, applications and messages. It screens little, or by keywords, which rejects good candidates for a picker or sales assistant role. AI pre-screening reads the CV and questionnaire answers, then suggests an explained score that the recruiter confirms or corrects.
| Criterion | ATS alone | ATS + custom AI pre-screening |
|---|---|---|
| Cost | 300 to 1,200 EUR a month depending on volume (2026 market estimate) | ATS licence + 6,100 to 10,670 EUR once (Kolonell grid) |
| First screening | Manual or keyword-based | Explainable score per criterion: availability, licence, forklift ticket, commute |
| Screening time per application | 3 to 4 minutes | 1 minute of review |
| Reply to candidate | Often after 10 to 15 days | Instant acknowledgement, reasoned reply within 48 h |
| Bias control | No dedicated tool | Sensitive criteria excluded, quarterly disparity audit |
| AI Act traceability | Weak | Log of scores and human decisions |
| Time to deploy | 2 to 4 weeks | 6 weeks |
Time to reply to candidates: what automation changes
For store and warehouse roles, a candidate who hears nothing within a week has often signed elsewhere. Reply time is a cost metric as much as an employer brand metric.
| Step | Before (manual screening) | After (AI + human review) |
|---|---|---|
| Acknowledgement | 1 to 3 days | Instant |
| First screening done | 8 to 12 days | 24 to 48 h |
| Interview invitation | 12 to 15 days | 3 to 4 days |
| Reasoned rejection | Rarely sent | Always within 5 days |
| Average time to hire | 32 days | 18 to 22 days |
| Candidates lost before interview | 25 to 35 % | 10 to 15 % |
These are 2026 orders of magnitude seen in volume hiring, to be recalculated on your own data during scoping.
GDPR and the AI Act: the rules to follow
Article 22 of the GDPR forbids decisions with significant effects, such as rejecting an applicant, based solely on automated processing. The AI suggests, the recruiter decides, and candidates are told the tool is involved. The AI Act classifies CV screening systems as high-risk: technical documentation, risk management, effective human oversight and logging are required, with application set for August 2026 and possibly adjusted by EU simplification measures. A data protection impact assessment, guidance from the Data Protection Commission and the Employment Equality Acts complete the framework. These obligations are built into the specification, not bolted on after launch.
Mini case study
Illustrative example: Aoife, talent acquisition lead at a 900-person retail and distribution group in Dublin. She handles 7,000 applications a year at 3 minutes each, or 350 hours. With AI pre-screening, review takes 1 minute, or about 117 hours. Saving: 233 hours a year, valued at 40 EUR fully loaded, or 9,320 EUR.
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The project is priced at 8,000 EUR (5,250,000 FCFA), with Standard maintenance at 110 EUR a month. By cutting time to hire by 10 days on 70 roles a year, the group also reduces temporary cover, estimated at 160 EUR per day per role: counting only 20 % of those days, the saving exceeds 22,000 EUR. The investment pays back in under 4 months.
FAQ
Can the AI reject a candidate on its own?
No. GDPR and the AI Act require genuine human involvement: the tool ranks and explains its score, the recruiter approves every rejection. Allow about 1 minute of review per application.
Which criteria is the AI allowed to use?
Only job-related criteria: availability, experience, licences, forklift certification, commute. Age, gender, nationality, photo or exact address are excluded, and a quarterly audit checks there is no gap of more than 5 points between groups.
Do we need to change our ATS?
Rarely. Pre-screening connects through the API of common ATS platforms. If yours has no API, a daily export works, with a small extra cost of 1 to 2 days of development.
What does daily AI usage cost?
For 7,000 applications a year, API calls come to roughly 30 to 80 EUR a month, hosting included. Kolonell maintenance ranges from 50 to 180 EUR a month depending on support level.
How long does deployment take?
Six weeks: two for scoping and the impact assessment, three for development and integration, one for testing in parallel with manual screening on 300 to 500 applications.
Let's scope your project. Share your application volume, ATS and target roles, and we will price compliant AI pre-screening between 6,100 and 10,670 EUR, deliverable in 6 weeks. 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.
