Head-to-head
KirkpatrickPrice vs RSI Security: PCI DSS assessment compared
Two credible mid-market paths — specialist service model (KirkpatrickPrice) versus multi-framework breadth (RSI Security).
| KirkpatrickPrice | RSI Security | |
|---|---|---|
| Headquarters | Brentwood, Tennessee | San Diego, California |
| Firm type | QSA company (QSAC) | QSA company (QSAC) |
| ROC planning range | $15K–$40K (planning estimate (Sept 2026)) | $15K–$40K (planning estimate (Sept 2026)) |
| Fieldwork window | 2–6 wk | 2–6 wk |
| Frameworks | PCI DSS, SOC 1, SOC 2, ISO 27001, HIPAA, HITRUST | PCI DSS, SOC 2, ISO 27001, HIPAA, CMMC, pen testing |
Planning ranges are estimates (September 2026), not quotes. Firm facts from public materials, verified September 2026.
Choose KirkpatrickPrice if you want a concierge-style assurance specialist with flexible fixed-fee or time-and-materials structures.
Choose RSI Security if you want a multi-framework compliance firm where PCI anchors a broader security program.
The honest take. Both firms can produce a perfectly valid ROC — the difference is fit, not legitimacy. Get scoped quotes from both and compare the engagement letter line by line: named team, fee-breaker clauses, remediation support, and what's excluded.
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