Buying guide
The ISO 27001 RFP & quote comparison worksheet
What to put in your brief, how to normalize CB quotes, and the engagement-letter red flags that cost companies real money.
Your RFP brief (one page is enough)
- Company facts: industry, total and in-scope headcount, sites and countries.
- ISMS scope: which systems, teams, and data are in scope — and what's excluded.
- Current state: existing policies, prior audits, tooling, internal security staff.
- Schemes: ISO 27001 only, or plus ISO 27701 / SOC 2.
- Timeline: target certification date and any deal-driven deadlines.
- Ask for: Stage 1 days, Stage 2 days, day rate, travel, surveillance pricing (years 2–3), recertification pricing, named audit team, and accreditation details.
Quote comparison worksheet
Normalize every quote to the same columns before comparing totals:
| Line item | CB A | CB B | CB C |
|---|---|---|---|
| Accreditation (body + ISO 27001 scope) | |||
| Stage 1 audit days | |||
| Stage 2 audit days | |||
| Day rate | |||
| Travel & expenses | |||
| Gap assessment (if included) | |||
| Surveillance, year 2 | |||
| Surveillance, year 3 | |||
| Recertification (year 4) | |||
| 3-year total |
Engagement-letter red flags
- No audit-day breakdown. A lump sum with no days, no headcount band, no sites is a change order waiting to happen.
- Surveillance pricing left "to be determined." Years 2–3 are where the margin hides. Get them in writing now.
- Change-order triggers undefined. "Scope changes" should be defined — headcount growth thresholds, added sites, added schemes.
- No named audit team. "A qualified lead auditor" is not a name. Get names and CVs.
- Consulting bundled in. The CB that finds gaps shouldn't bill to fix them — independence is an accreditation requirement.
- Certificate-issuance fees hidden. Ask whether the certificate itself, IAF CertSearch registration, and the mark license cost extra.
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