§ The result
1 point separates BambooHR and Mercer | Mettl.
BambooHR (ATS-integrated) edges Mercer | Mettl (Assessment) by 1 point under rubric v1.0, 43 to 42. BambooHR leads 6 of the 7 criteria, including FRIA Support, while Mercer | Mettl leads 1, including Bias Audit Transparency. Bias Audit Transparency is at once the widest raw gap and the heaviest weighted swing, and it belongs to Mercer | Mettl — BambooHR 28, Mercer | Mettl 42, on an 18% weight — which is 100% of the weighted advantage Mercer | Mettl holds across the 1 criterion on that side of the table.
Vendor profile
BambooHR
A cloud HR platform for small and mid-sized businesses combining an HRIS and applicant tracking with generative AI features such as AI-drafted job descriptions and a natural-language HR data assistant.
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.
§ The record
BambooHR is filed under ATS-integrated AI, Mercer | Mettl under Assessment AI. They record no secondary category in common.
Both are in scope of EU AI Act, NYC LL 144 and Colorado AI Act. Only Mercer | Mettl is in scope of Illinois HB 3773 and Mobley v. Workday.
| Record | BambooHR | Mercer | Mettl |
|---|---|---|
| Price tier | Mid | Mid |
| Headquarters | US | IN |
| Founded | 2008 | 2010 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 39% of the movement so far
Bias Audit Transparency
BambooHR 28 · Mercer | Mettl 42
2.5 weighted points to Mercer | Mettl
15% weight · 53% of the movement so far
FRIA Support
BambooHR 34 · Mercer | Mettl 28
0.9 weighted points to BambooHR
20% weight · 65% of the movement so far
Article 11 Technical Documentation
BambooHR 42 · Mercer | Mettl 38
0.8 weighted points to BambooHR
8% weight · 77% of the movement so far
Customer Documentation
BambooHR 62 · Mercer | Mettl 52
0.8 weighted points to BambooHR
12% weight · 88% of the movement so far
Post-Market Monitoring
BambooHR 44 · Mercer | Mettl 38
0.7 weighted points to BambooHR
12% weight · 98% of the movement so far
Human Oversight Design
BambooHR 50 · Mercer | Mettl 45
0.6 weighted points to BambooHR
15% weight · 100% of the movement so far
Data Governance Disclosure
BambooHR 56 · Mercer | Mettl 55
0.1 weighted points to BambooHR
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +1.4 — the difference between the two totals before either is rounded. Shares are of 6.5 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +1 beside that +1.4.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is BambooHR minus Mercer | Mettl.
| Category | Weight | BambooHR | Mercer | Mettl | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 42 | 38 | +4 | +0.8 |
| Bias Audit Transparency | 18% | 28 | 42 | -14 | -2.5 |
| FRIA Support | 15% | 34 | 28 | +6 | +0.9 |
| Data Governance Disclosure | 15% | 56 | 55 | +1 | +0.1 |
| Human Oversight Design | 12% | 50 | 45 | +5 | +0.6 |
| Post-Market Monitoring | 12% | 44 | 38 | +6 | +0.7 |
| Customer Documentation | 8% | 62 | 52 | +10 | +0.8 |
| Total | 100% | 43 (F) | 42 (F) | +1 | +1.4 |
§ 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 | BambooHR | Mercer | Mettl | ||||
|---|---|---|---|---|---|---|---|
| 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% | 2 | 1 | Sources on the vendor's own domain | 0 | 1 | — |
| FRIA Support | 15% | 1 | 1 | Sources on the vendor's own domain | 1 | 1 | — |
| Data Governance Disclosure | 15% | 3 | 0 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 2 | 1 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 2 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 3 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 15 | 6 | Sources on the vendor's own domain | 9 | 5 | Sources on the vendor's own domain |
BambooHR has 21 evidence rows across 7 of 7 criteria — 15 with a source URL, 6 documented absences; Mercer | Mettl has 14 evidence rows across 7 of 7 criteria — 9 with a source URL, 5 documented absences.
Provenance
The scores above are documented by 35 evidence rows on file for these two vendors: 21 for BambooHR, across 1 distinct source domain, and 14 for Mercer | Mettl, across 2 distinct source domains.
- Rubric
- v1.0
- BambooHR last reviewed
- July 17, 2026 · HireAIScore editorial team
- Mercer | Mettl last reviewed
- June 7, 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