§ The result
Saville Assessment and Sova Assessment tie at 48.
Saville Assessment and Sova Assessment tie at 48 under rubric v1.0 inside the Assessment cohort, arriving there from different criteria. Saville Assessment leads 2 of the 7 criteria and Sova Assessment 3, with 2 level, yet the two totals land on the same number. One criterion, Article 11 Technical Documentation, is both the widest raw gap (Saville Assessment 50, Sova Assessment 55) and the heaviest weighted swing, and at 20% weight it makes up 71% of the weighted advantage Sova Assessment holds across the 3 criteria it leads.
Vendor profile
Saville Assessment
Saville Assessment publishes the Wave personality questionnaires, Swift aptitude tests and situational judgment tests. They are scored automatically against norm groups and delivered through the Oasys platform, the Wave Connect hiring platform (which uses AI to build role profiles from job descriptions) and a two-minute Screener that returns a fit band into the employer's ATS.
Vendor profile
Sova Assessment
Sova Assessment is a UK-based enterprise talent assessment platform combining personality questionnaires, cognitive and ability tests, situational judgement, video interviews, virtual assessment centres and AI-led role simulations into a single occupational-psychology-validated candidate scoring workflow.
§ The record
Saville Assessment and Sova Assessment 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 | Saville Assessment | Sova Assessment |
|---|---|---|
| Price tier | Enterprise | High |
| Headquarters | GB | GB |
| Founded | 2004 | 2015 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 39% of the movement so far
Article 11 Technical Documentation
Saville Assessment 50 · Sova Assessment 55
1.0 weighted points to Sova Assessment
18% weight · 67% of the movement so far
Bias Audit Transparency
Saville Assessment 42 · Sova Assessment 38
0.7 weighted points to Saville Assessment
15% weight · 84% of the movement so far
Data Governance Disclosure
Saville Assessment 55 · Sova Assessment 52
0.4 weighted points to Saville Assessment
12% weight · 94% of the movement so far
Post-Market Monitoring
Saville Assessment 38 · Sova Assessment 40
0.2 weighted points to Sova Assessment
8% weight · 100% of the movement so far
Customer Documentation
Saville Assessment 60 · Sova Assessment 62
0.2 weighted points to Sova Assessment
Weighted delta is the raw difference times the criterion weight, so the 5 figures above sum to -0.2 — the difference between the two totals before either is rounded. Shares are of 2.6 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads 0 beside that -0.2.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Saville Assessment minus Sova Assessment.
| Category | Weight | Saville Assessment | Sova Assessment | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 50 | 55 | -5 | -1.0 |
| Bias Audit Transparency | 18% | 42 | 38 | +4 | +0.7 |
| FRIA Support | 15% | 40 | 40 | - | - |
| Data Governance Disclosure | 15% | 55 | 52 | +3 | +0.4 |
| Human Oversight Design | 12% | 55 | 55 | - | - |
| Post-Market Monitoring | 12% | 38 | 40 | -2 | -0.2 |
| Customer Documentation | 8% | 60 | 62 | -2 | -0.2 |
| Total | 100% | 48 (F) | 48 (F) | - | -0.2 |
§ 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 | Saville Assessment | Sova Assessment | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 5 | 1 | Audit reportSources on the vendor's own domainSources on a separate domain | 3 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 4 | 1 | Audit reportSources on the vendor's own domainSources on a separate domain | 4 | 2 | Sources on the vendor's own domain |
| FRIA Support | 15% | 3 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Data Governance Disclosure | 15% | 5 | 1 | Sources on the vendor's own domain | 4 | 1 | Audit reportSources on the vendor's own domainSources on a separate domain |
| Human Oversight Design | 12% | 6 | 0 | Sources on the vendor's own domain | 5 | 1 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 5 | 1 | Sources on the vendor's own domain | 4 | 1 | Sources on the vendor's own domainSources on a separate domain |
| Customer Documentation | 8% | 6 | 1 | Sources on the vendor's own domain | 6 | 1 | Sources on the vendor's own domainSources on a separate domain |
| All criteria | 100% | 34 | 6 | Audit reportSources on the vendor's own domainSources on a separate domain | 28 | 8 | Audit reportSources on the vendor's own domainSources on a separate domain |
Saville Assessment has 40 evidence rows across 7 of 7 criteria — 34 with a source URL, 6 documented absences; Sova Assessment has 34 evidence rows across 7 of 7 criteria — 28 with a source URL, 8 documented absences; some documentation or audit rows for Saville Assessment and Sova Assessment sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 74 evidence rows on file for these two vendors: 40 for Saville Assessment, across 2 distinct source domains, and 34 for Sova Assessment, across 3 distinct source domains.
- Rubric
- v1.0
- Saville Assessment last reviewed
- September 25, 2026 · HireAIScore editorial team
- Sova Assessment last reviewed
- August 2, 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