§ The result
Sova Assessment leads Workstream by 9 points.
Sova Assessment scores 48 and Workstream 39 under rubric v1.0, a 9-point gap across the Assessment and Screening cohorts. The 7 criteria split 6 to 1 in favour of Sova Assessment: Sova Assessment is ahead on Bias Audit Transparency and Workstream on Human Oversight Design. The advantage Sova Assessment holds is spread out: Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing (Sova Assessment 38, Workstream 20, 18% weight), yet it supplies only 32% of the weighted points Sova Assessment gains across the 6 criteria it leads.
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
Workstream
Workstream is a mobile-first HR, payroll and hiring platform for hourly, multi-location employers such as QSR franchisees. Its hiring suite pairs a text-to-apply applicant tracking system with VoiceAI phone screens and VideoAI asynchronous video interviews, which return transcripts, AI summaries, pass/fail results for each question and match scores.
§ The record
Sova Assessment is filed under Assessment AI, Workstream under Screening AI. They also share 1 secondary category: Video interview.
Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act, Colorado AI Act and Mobley v. Workday.
| Record | Sova Assessment | Workstream |
|---|---|---|
| Price tier | High | Mid |
| Headquarters | GB | US |
| Founded | 2015 | 2017 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 30% of the movement so far
Bias Audit Transparency
Sova Assessment 38 · Workstream 20
3.2 weighted points to Sova Assessment
20% weight · 58% of the movement so far
Article 11 Technical Documentation
Sova Assessment 55 · Workstream 40
3.0 weighted points to Sova Assessment
15% weight · 76% of the movement so far
FRIA Support
Sova Assessment 40 · Workstream 27
1.9 weighted points to Sova Assessment
15% weight · 83% of the movement so far
Data Governance Disclosure
Sova Assessment 52 · Workstream 47
0.8 weighted points to Sova Assessment
12% weight · 90% of the movement so far
Human Oversight Design
Sova Assessment 55 · Workstream 61
0.7 weighted points to Workstream
12% weight · 96% of the movement so far
Post-Market Monitoring
Sova Assessment 40 · Workstream 35
0.6 weighted points to Sova Assessment
8% weight · 100% of the movement so far
Customer Documentation
Sova Assessment 62 · Workstream 56
0.5 weighted points to Sova Assessment
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +9.3 — 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 +9 beside that +9.3.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Sova Assessment minus Workstream.
| Category | Weight | Sova Assessment | Workstream | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 55 | 40 | +15 | +3.0 |
| Bias Audit Transparency | 18% | 38 | 20 | +18 | +3.2 |
| FRIA Support | 15% | 40 | 27 | +13 | +1.9 |
| Data Governance Disclosure | 15% | 52 | 47 | +5 | +0.8 |
| Human Oversight Design | 12% | 55 | 61 | -6 | -0.7 |
| Post-Market Monitoring | 12% | 40 | 35 | +5 | +0.6 |
| Customer Documentation | 8% | 62 | 56 | +6 | +0.5 |
| Total | 100% | 48 (F) | 39 (F) | +9 | +9.3 |
§ 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 | Workstream | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 3 | 1 | Sources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 4 | 2 | Sources on the vendor's own domain | 5 | 1 | Sources on the vendor's own domain |
| FRIA Support | 15% | 2 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Data Governance Disclosure | 15% | 4 | 1 | Audit reportSources on the vendor's own domainSources on a separate domain | 4 | 1 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 5 | 1 | Sources on the vendor's own domain | 7 | 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 | 3 | 1 | Sources on the vendor's own domainSources on a separate domain |
| Customer Documentation | 8% | 6 | 1 | Sources on the vendor's own domainSources on a separate domain | 4 | 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 | 28 | 6 | Sources on the vendor's own domainSources on a separate domain |
Sova Assessment has 34 evidence rows across 7 of 7 criteria — 28 with a source URL, 8 documented absences; Workstream has 34 evidence rows across 7 of 7 criteria — 28 with a source URL, 6 documented absences; some documentation or audit rows for Sova Assessment and Workstream sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 68 evidence rows on file for these two vendors: 34 for Sova Assessment, across 3 distinct source domains, and 34 for Workstream, across 2 distinct source domains.
- Rubric
- v1.0
- Sova Assessment last reviewed
- August 2, 2026 · HireAIScore editorial team
- Workstream 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