ESG assurance, ready for ISSA 5000.
The readiness toolkit, roadmap, checklist and scored assessments your Audit Committee and assurance provider need before fieldwork.
Built on ISSA 5000.
ISSA 5000
The global baseline for sustainability assurance — effective for periods beginning 15 December 2026.
Limited assurance
Inquiry, analytics and selective verification — first-year and SME programmes.
Reasonable assurance
Risk assessment, controls testing and substantive procedures — mature programmes.
Readiness & evidence
Disclosure controls, data lineage, evidence library, management representation.
Assessments, toolkit, roadmap, checklist and board pack.
7-dimension diagnostic.
Open Tool · FreeMaturity grid by dimension.
Open PDF · GatedSeven-dimension ISSA 5000 readiness toolkit.
Open PDF · Gated12-month phased path to assured disclosure.
Open PDF · GatedPre-fieldwork checklist (ISSA 5000).
Open PDF · GatedQuarterly board-pack template including assurance status.
OpenRelated ESG assurance content.
ESG & Sustainability Reporting Handbook 2026 (Enhanced Edition)
Flagship ESG handbook — governance, double materiality, climate risk, dashboard, assurance (ISSA 5000), financial-statement connectivity and 180-day implementation roadmap.
Download FlagshipESG Assurance Readiness Toolkit 2026 (ISSA 5000)
Seven-dimension ISSA 5000 readiness toolkit — governance, materiality, controls, data, evidence, technology, people.
Download ToolkitESG Assurance Roadmap 2026
Twelve-month phased roadmap from baseline readiness to assured disclosure under ISSA 5000.
Download RoadmapESG Assurance Checklist 2026 (ISSA 5000)
Pre-fieldwork checklist — governance, scope, data, controls and logistics for a credible ISSA 5000 engagement.
Download ChecklistOutliers ESG Assurance Readiness Assessment™
Free 7-dimension diagnostic — preparedness for ISSA 5000 limited or reasonable assurance.
Assess ReadinessOutliers ESG Assurance Readiness Score™
Free assurance maturity score — placement on the Initial → Optimised maturity grid by dimension.
Score Your MaturityCompliance Watch — monthly.
ESG, assurance and regulatory deadlines curated for Nigerian boards, CFOs and CSOs.