§ The result
HiringBranch leads Mercer | Mettl on 6 of the 7 criteria.
HiringBranch sits 10 points above Mercer | Mettl under rubric v1.0, 52 against 42, with both filed under Assessment. HiringBranch leads 6 of the 7 criteria and the remaining criterion is level, so Mercer | Mettl is ahead on none of them; the closest of the 6 HiringBranch leads is Post-Market Monitoring, HiringBranch 40 to Mercer | Mettl 38. Article 11 Technical Documentation is both the widest raw gap and the heaviest weighted swing — HiringBranch 60, Mercer | Mettl 38 — and at a 20% weight it carries 41% of the weighted advantage HiringBranch holds across the 6 criteria on that side of the table.
Vendor profile
HiringBranch
HiringBranch is an AI skills-assessment platform that measures 50+ communication and soft skills from candidates' open-ended, conversational job-simulation responses (text and voice) to screen and rank applicants for customer-facing roles.
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
HiringBranch and Mercer | Mettl are both filed under Assessment AI. They also share 1 secondary category: Screening.
Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act, Colorado AI Act and Mobley v. Workday.
| Record | HiringBranch | Mercer | Mettl |
|---|---|---|
| Price tier | Enterprise | Mid |
| Headquarters | CA | IN |
| Founded | 2014 | 2010 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 41% of the movement so far
Article 11 Technical Documentation
HiringBranch 60 · Mercer | Mettl 38
4.4 weighted points to HiringBranch
18% weight · 71% of the movement so far
Bias Audit Transparency
HiringBranch 60 · Mercer | Mettl 42
3.2 weighted points to HiringBranch
15% weight · 81% of the movement so far
FRIA Support
HiringBranch 35 · Mercer | Mettl 28
1.1 weighted points to HiringBranch
8% weight · 90% of the movement so far
Customer Documentation
HiringBranch 64 · Mercer | Mettl 52
1.0 weighted points to HiringBranch
12% weight · 98% of the movement so far
Human Oversight Design
HiringBranch 52 · Mercer | Mettl 45
0.8 weighted points to HiringBranch
12% weight · 100% of the movement so far
Post-Market Monitoring
HiringBranch 40 · Mercer | Mettl 38
0.2 weighted points to HiringBranch
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to +10.7 — the difference between the two totals before either is rounded. Shares are of 10.7 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +10 beside that +10.7.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is HiringBranch minus Mercer | Mettl.
| Category | Weight | HiringBranch | Mercer | Mettl | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 60 | 38 | +22 | +4.4 |
| Bias Audit Transparency | 18% | 60 | 42 | +18 | +3.2 |
| FRIA Support | 15% | 35 | 28 | +7 | +1.1 |
| Data Governance Disclosure | 15% | 55 | 55 | - | - |
| Human Oversight Design | 12% | 52 | 45 | +7 | +0.8 |
| Post-Market Monitoring | 12% | 40 | 38 | +2 | +0.2 |
| Customer Documentation | 8% | 64 | 52 | +12 | +1.0 |
| Total | 100% | 52 (F) | 42 (F) | +10 | +10.7 |
§ 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 | HiringBranch | 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 | Audit reportSources 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% | 2 | 1 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 1 | 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 | 0 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 13 | 6 | Audit reportSources on the vendor's own domain | 9 | 5 | Sources on the vendor's own domain |
HiringBranch has 19 evidence rows across 7 of 7 criteria — 13 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 33 evidence rows on file for these two vendors: 19 for HiringBranch, across 1 distinct source domain, and 14 for Mercer | Mettl, across 2 distinct source domains.
- Rubric
- v1.0
- HiringBranch 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