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Timeline

Timeline — ISO/IEC 27001 Implementation & Certification

A realistic week-by-week view of how ISO/IEC 27001 Implementation & Certification runs. Timelines compress for smaller scopes and extend for multi-entity or multi-site programmes; this baseline assumes a mid-size enterprise.

  • ISO/IEC 27001 Certified
  • ISO/IEC 27701 Certified
  • ISO 9001 Certified

Delivered by an ISO/IEC 27001, 27701 & 9001 certified organisation

Week-by-week plan

WeekPhaseKey activitiesOutput
Weeks 1–2Gap AssessmentCurrent-state diagnostic mapped to all 93 Annex A controls.Signed-off gap assessment pack and gate review
Weeks 3–4Design & DocumentPolicies, SoA, risk methodology, asset inventory.Signed-off design & document pack and gate review
Weeks 5–6Implement & TrainControl roll-out, awareness training, evidence capture.Signed-off implement & train pack and gate review
Weeks 7–8Internal AuditPre-certification audit and management review.Signed-off internal audit pack and gate review
Weeks 9–12Certification SupportStage 1 + Stage 2 audit support with accredited bodies.Signed-off certification support pack and gate review
12-week delivery plan

Gantt-style timeline titled "12-week delivery plan" over 12 Weeks with 5 phases: Gap Assessment from Week 1 to 2; Design & Document from Week 3 to 4; Implement & Train from Week 5 to 6; Internal Audit from Week 7 to 8; Certification Support from Week 9 to 12.

Gap Assessment
Signed-off gap assessment pack and gate review
Design & Document
Signed-off design & document pack and gate review
Implement & Train
Signed-off implement & train pack and gate review
Internal Audit
Signed-off internal audit pack and gate review
Certification Support
Signed-off certification support pack and gate review

What accelerates the timeline

  • Executive sponsor engaged from day one with weekly steering attendance.
  • Existing asset inventory, network diagrams and HR org chart available.
  • GRC tooling already deployed or selected (Vanta, Drata, Archer, ServiceNow).
  • Workforce available for awareness training within the engagement window.
Conditions that compress delivery

Checklist titled "Conditions that compress delivery" with 4 items, every item marked complete: Executive sponsor engaged from day one with weekly steering attendance.; Existing asset inventory, network diagrams and HR org chart available.; GRC tooling already deployed or selected (Vanta, Drata, Archer, ServiceNow).; Workforce available for awareness training within the engagement window..

  • Executive sponsor engaged from day one with weekly steering attendance.
  • Existing asset inventory, network diagrams and HR org chart available.
  • GRC tooling already deployed or selected (Vanta, Drata, Archer, ServiceNow).
  • Workforce available for awareness training within the engagement window.

What typically extends it

  • Multiple legal entities, brands or geographies in scope.
  • Significant cloud migration running in parallel.
  • Open audit findings or regulator enforcement requiring remediation first.
  • Mergers, divestitures or system replacements mid-engagement.
Next: Pricing & Engagement