Qtangl vs Big 4 / boutique consulting
Qtangl vs Big 4 Consulting — PQC Readiness Comparison (2026)
Trust, relationships, and migration labor — spreadsheets and decks, not living evidence.
Land the point: Don't pay for a spreadsheet that's stale on delivery. Get a living system of record.
Their pitch
Board-trusted advisory firms delivering PQC assessments, roadmaps, and migration programs with people and relationships.
Discovery: Manual interviews, spreadsheet inventories, and bespoke assessment methodologies.
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Capability radar
Relative scores (0–5) across six buyer dimensions. Qtangl vs Big 4 / boutique consulting.
| Dimension | Qtangl | Big 4 / boutique consulting |
|---|---|---|
| Time to inventory | 5 | 1 |
| Verifiable evidence | 5 | 1 |
| Discovery depth | 4 | 3 |
| Platform breadth | 4 | 2 |
| Mid-market affordability | 4 | 1 |
| Self-serve path | 5 | 1 |
Discovery method coverage
No single discovery method is complete — NIST guidance recommends combining 2–3. Each vendor anchors to a primary method with characteristic blind spots.
| Vendor | Agentless external | Host / endpoint | Source / binary | Key / KMS | Certificate / CLM |
|---|---|---|---|---|---|
| Qtangl | yes | yes | yes | yes | yes |
| Big 4 / boutique consulting | partial | partial | partial | partial | partial |
Where Qtangl wins
- Inventory in minutes vs 6–12 week projects
- Living tool with continuous drift monitoring
- Reusable signed evidence at ~10x lower baseline cost
Where Big 4 / boutique consulting wins
- Buyers wanting a body-shop to run the whole program
- Board relationships that mandate a Big 4 name
We acknowledge competitor strengths — never disparage. Choose based on your program scope.
When to choose Big 4 / boutique consulting
You need a trusted advisor to staff the entire migration program with people and board-facing relationships.
When to choose Qtangl
You need a living system of record with continuous evidence — consultants can partner on labor while Qtangl is the platform.
Coopetition
Partner motion: consulting delivers labor, Qtangl is the platform and evidence layer.
FAQ
When should we choose Big 4 consulting over Qtangl?
Board-mandated advisory relationships where the firm name and staffed labor are non-negotiable.
When should we choose Qtangl over Big 4 consulting?
Teams needing inventory this quarter, continuous drift, and signed evidence at mid-market cost — with consultants optional for labor.
Can we use both together?
Often yes. Many regulated teams keep a discovery incumbent for depth and layer Qtangl as the neutral evidence system of record — signed reports, transparency log, and Readiness Passport auditors verify independently.