§ The result
Sova Assessment leads Willo by 7 points.
Sova Assessment scores 48 and Willo 41 under rubric v1.0, a 7-point gap across the Assessment and Video interview cohorts. Sova Assessment leads 5 of the 7 criteria, including Article 11 Technical Documentation, while Willo leads 2, including Human Oversight Design. Article 11 Technical Documentation is both the widest raw gap and the heaviest weighted swing — Sova Assessment 55, Willo 38 — and at a 20% weight it carries 41% of the weighted advantage Sova Assessment holds across the 5 criteria on that side of the table.
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.
Vendor profile
Willo
Willo is a browser-based asynchronous (one-way) video interview platform that lets employers collect recorded video, audio, multiple-choice and written candidate responses, then uses AI to transcribe, summarize, rank candidates against employer-defined "Blueprint" criteria, and flag scripted or AI-generated answers.
§ The record
Sova Assessment is filed under Assessment AI, Willo under Video interview 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 | Sova Assessment | Willo |
|---|---|---|
| Price tier | High | Low |
| Headquarters | GB | GB |
| Founded | 2015 | 2018 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 37% of the movement so far
Article 11 Technical Documentation
Sova Assessment 55 · Willo 38
3.4 weighted points to Sova Assessment
15% weight · 61% of the movement so far
FRIA Support
Sova Assessment 40 · Willo 25
2.3 weighted points to Sova Assessment
18% weight · 77% of the movement so far
Bias Audit Transparency
Sova Assessment 38 · Willo 30
1.4 weighted points to Sova Assessment
12% weight · 86% of the movement so far
Human Oversight Design
Sova Assessment 55 · Willo 62
0.8 weighted points to Willo
8% weight · 93% of the movement so far
Customer Documentation
Sova Assessment 62 · Willo 54
0.6 weighted points to Sova Assessment
12% weight · 98% of the movement so far
Post-Market Monitoring
Sova Assessment 40 · Willo 36
0.5 weighted points to Sova Assessment
15% weight · 100% of the movement so far
Data Governance Disclosure
Sova Assessment 52 · Willo 53
0.1 weighted points to Willo
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +7.2 — the difference between the two totals before either is rounded. Shares are of 9.2 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +7 beside that +7.2.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Sova Assessment minus Willo.
| Category | Weight | Sova Assessment | Willo | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 55 | 38 | +17 | +3.4 |
| Bias Audit Transparency | 18% | 38 | 30 | +8 | +1.4 |
| FRIA Support | 15% | 40 | 25 | +15 | +2.3 |
| Data Governance Disclosure | 15% | 52 | 53 | -1 | -0.1 |
| Human Oversight Design | 12% | 55 | 62 | -7 | -0.8 |
| Post-Market Monitoring | 12% | 40 | 36 | +4 | +0.5 |
| Customer Documentation | 8% | 62 | 54 | +8 | +0.6 |
| Total | 100% | 48 (F) | 41 (F) | +7 | +7.2 |
§ 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 | Sova Assessment | Willo | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 3 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 4 | 2 | Sources on the vendor's own domain | 1 | 1 | — |
| FRIA Support | 15% | 2 | 1 | Sources on the vendor's own domain | 0 | 1 | — |
| Data Governance Disclosure | 15% | 4 | 1 | Audit reportSources on the vendor's own domainSources on a separate domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 5 | 1 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 4 | 1 | Sources on the vendor's own domainSources on a separate domain | 1 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 6 | 1 | Sources on the vendor's own domainSources on a separate domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 28 | 8 | Audit reportSources on the vendor's own domainSources on a separate domain | 9 | 5 | Sources on the vendor's own domain |
Sova Assessment has 34 evidence rows across 7 of 7 criteria — 28 with a source URL, 8 documented absences; Willo has 14 evidence rows across 7 of 7 criteria — 9 with a source URL, 5 documented absences; some documentation or audit rows for Sova Assessment sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 48 evidence rows on file for these two vendors: 34 for Sova Assessment, across 3 distinct source domains, and 14 for Willo, across 1 distinct source domain.
- Rubric
- v1.0
- Sova Assessment last reviewed
- August 2, 2026 · HireAIScore editorial team
- Willo 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