§ The result
ADP leads Arena Analytics on all 7 criteria.
ADP finishes 16 points clear of Arena Analytics under rubric v1.0 — 48 against 32 — across the ATS-integrated and Screening cohorts. ADP leads every one of the 7 criteria and 3 of them by 20 raw points or more, Article 11 Technical Documentation among them; Arena Analytics leads none. Article 11 Technical Documentation is the widest raw gap and the heaviest weighted swing at once (ADP 53, Arena Analytics 30, 20% weight), but it accounts for only 27% of the weighted advantage ADP holds across the 7 criteria on that side of the table.
Vendor profile
ADP
ADP is an enterprise human capital management and payroll provider whose recruiting suite uses AI to parse, rank, and match job applicants via its Candidate Relevancy tool, ADP Assist generative-AI assistant/job-description generator, and skills intelligence.
Vendor profile
Arena Analytics
Arena scores job applicants, mainly for healthcare and senior-living employers, on how likely they are to show up and stay in a specific role at a specific location, reroutes and sources candidates it rates likely to be retained, and applies the same outcome models to employee flight risk and internal mobility.
§ The record
ADP is filed under ATS-integrated AI, Arena Analytics under Screening AI. They record no secondary category in common.
Both are in scope of EU AI Act, NYC LL 144, Colorado AI Act and Illinois HB 3773. Only Arena Analytics is in scope of Mobley v. Workday.
| Record | ADP | Arena Analytics |
|---|---|---|
| Price tier | Enterprise | Enterprise |
| Headquarters | US | US |
| Founded | 1949 | 2015 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 27% of the movement so far
Article 11 Technical Documentation
ADP 53 · Arena Analytics 30
4.6 weighted points to ADP
18% weight · 50% of the movement so far
Bias Audit Transparency
ADP 46 · Arena Analytics 25
3.8 weighted points to ADP
15% weight · 63% of the movement so far
Data Governance Disclosure
ADP 57 · Arena Analytics 42
2.3 weighted points to ADP
12% weight · 76% of the movement so far
Human Oversight Design
ADP 55 · Arena Analytics 38
2.0 weighted points to ADP
12% weight · 88% of the movement so far
Post-Market Monitoring
ADP 45 · Arena Analytics 28
2.0 weighted points to ADP
8% weight · 97% of the movement so far
Customer Documentation
ADP 58 · Arena Analytics 38
1.6 weighted points to ADP
15% weight · 100% of the movement so far
FRIA Support
ADP 28 · Arena Analytics 25
0.4 weighted points to ADP
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +16.8 — the difference between the two totals before either is rounded. Shares are of 16.8 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +16 beside that +16.8.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is ADP minus Arena Analytics.
| Category | Weight | ADP | Arena Analytics | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 53 | 30 | +23 | +4.6 |
| Bias Audit Transparency | 18% | 46 | 25 | +21 | +3.8 |
| FRIA Support | 15% | 28 | 25 | +3 | +0.4 |
| Data Governance Disclosure | 15% | 57 | 42 | +15 | +2.3 |
| Human Oversight Design | 12% | 55 | 38 | +17 | +2.0 |
| Post-Market Monitoring | 12% | 45 | 28 | +17 | +2.0 |
| Customer Documentation | 8% | 58 | 38 | +20 | +1.6 |
| Total | 100% | 48 (F) | 32 (F) | +16 | +16.8 |
§ 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 | ADP | Arena Analytics | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 2 | 1 | Sources on the vendor's own domain | 3 | 1 | Sources on a separate domain |
| Bias Audit Transparency | 18% | 2 | 1 | Sources on the vendor's own domain | 2 | 1 | — |
| FRIA Support | 15% | 1 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| Data Governance Disclosure | 15% | 4 | 0 | Sources on the vendor's own domain | 6 | 1 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 3 | 0 | Sources on the vendor's own domain | 6 | 1 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 3 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 3 | 1 | Sources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 18 | 5 | Sources on the vendor's own domain | 23 | 7 | Sources on the vendor's own domainSources on a separate domain |
ADP has 23 evidence rows across 7 of 7 criteria — 18 with a source URL, 5 documented absences; Arena Analytics has 30 evidence rows across 7 of 7 criteria — 23 with a source URL, 7 documented absences; some documentation or audit rows for Arena Analytics sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 53 evidence rows on file for these two vendors: 23 for ADP, across 2 distinct source domains, and 30 for Arena Analytics, across 3 distinct source domains.
- Rubric
- v1.0
- ADP last reviewed
- July 17, 2026 · HireAIScore editorial team
- Arena Analytics last reviewed
- September 25, 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