§ The result
Teamtailor leads Mercer | Mettl by 5 points.
Teamtailor scores 47 and Mercer | Mettl 42 under rubric v1.0, a 5-point gap across the ATS-integrated and Assessment cohorts. Teamtailor leads 6 of the 7 criteria, including Article 11 Technical Documentation, while Mercer | Mettl leads 1, including Bias Audit Transparency. The widest raw gap and the heaviest weighted swing fall on different criteria: FRIA Support (Mercer | Mettl 28, Teamtailor 42) and Article 11 Technical Documentation at 20% (Mercer | Mettl 38, Teamtailor 50), the second being 33% of the weighted advantage Teamtailor holds across the 6 criteria on that side of the table.
Vendor profile
Mercer | Mettl
Mercer | Mettl is an online talent assessment and remote-proctoring platform offering psychometric, aptitude, coding, and skills tests plus AI-assisted exam proctoring and scoring for hiring, certification, and L&D.
Vendor profile
Teamtailor
Teamtailor is a Stockholm-based applicant tracking and employer-branding platform whose OpenAI-powered "Co-pilot" assists recruiters with candidate screening, resume and interview summaries, talent-pool matching, interview-question generation, and AI-assisted job-ad and content writing.
§ The record
Mercer | Mettl is filed under Assessment AI, Teamtailor under ATS-integrated AI. They also share 1 secondary category: Screening.
Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act and Colorado AI Act. Only Mercer | Mettl is in scope of Mobley v. Workday.
| Record | Mercer | Mettl | Teamtailor |
|---|---|---|
| Price tier | Mid | Mid |
| Headquarters | IN | SE |
| Founded | 2010 | 2013 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 25% of the movement so far
Article 11 Technical Documentation
Mercer | Mettl 38 · Teamtailor 50
2.4 weighted points to Teamtailor
18% weight · 48% of the movement so far
Bias Audit Transparency
Mercer | Mettl 42 · Teamtailor 30
2.2 weighted points to Mercer | Mettl
15% weight · 70% of the movement so far
FRIA Support
Mercer | Mettl 28 · Teamtailor 42
2.1 weighted points to Teamtailor
12% weight · 82% of the movement so far
Human Oversight Design
Mercer | Mettl 45 · Teamtailor 54
1.1 weighted points to Teamtailor
8% weight · 90% of the movement so far
Customer Documentation
Mercer | Mettl 52 · Teamtailor 62
0.8 weighted points to Teamtailor
12% weight · 95% of the movement so far
Post-Market Monitoring
Mercer | Mettl 38 · Teamtailor 42
0.5 weighted points to Teamtailor
15% weight · 100% of the movement so far
Data Governance Disclosure
Mercer | Mettl 55 · Teamtailor 58
0.4 weighted points to Teamtailor
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to -5.1 — the difference between the two totals before either is rounded. Shares are of 9.5 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -5 beside that -5.1.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Mercer | Mettl minus Teamtailor.
| Category | Weight | Mercer | Mettl | Teamtailor | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 38 | 50 | -12 | -2.4 |
| Bias Audit Transparency | 18% | 42 | 30 | +12 | +2.2 |
| FRIA Support | 15% | 28 | 42 | -14 | -2.1 |
| Data Governance Disclosure | 15% | 55 | 58 | -3 | -0.4 |
| Human Oversight Design | 12% | 45 | 54 | -9 | -1.1 |
| Post-Market Monitoring | 12% | 38 | 42 | -4 | -0.5 |
| Customer Documentation | 8% | 52 | 62 | -10 | -0.8 |
| Total | 100% | 42 (F) | 47 (F) | -5 | -5.1 |
§ Evidence
Cited sources and documented absences, criterion by criterion.
An absence is a finding, not a blank: the reviewer looked for a named artefact and recorded that it is not located. Where a source sits is a fact about hosting only.
| Criterion | Weight | Mercer | Mettl | Teamtailor | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 2 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 0 | 1 | — | 1 | 1 | Sources on the vendor's own domain |
| FRIA Support | 15% | 1 | 1 | — | 1 | 1 | Sources on the vendor's own domain |
| Data Governance Disclosure | 15% | 2 | 0 | Sources on the vendor's own domain | 2 | 1 | Audit reportSources on the vendor's own domain |
| Human Oversight Design | 12% | 2 | 0 | Sources on the vendor's own domain | 3 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 1 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 1 | 1 | Sources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 9 | 5 | Sources on the vendor's own domain | 14 | 6 | Audit reportSources on the vendor's own domain |
Mercer | Mettl has 14 evidence rows across 7 of 7 criteria — 9 with a source URL, 5 documented absences; Teamtailor has 20 evidence rows across 7 of 7 criteria — 14 with a source URL, 6 documented absences.
Provenance
The scores above are documented by 34 evidence rows on file for these two vendors: 14 for Mercer | Mettl, across 2 distinct source domains, and 20 for Teamtailor, across 1 distinct source domain.
- Rubric
- v1.0
- Mercer | Mettl last reviewed
- June 7, 2026 · HireAIScore editorial team
- Teamtailor last reviewed
- July 17, 2026 · HireAIScore editorial team
HireAIScore scores are editorial research, not legal advice, and no vendor pays for placement, scoring or removal — see the methodology, conflicts policy and terms.
§ Where next