Assessments
Diagnose. Then act.
Two banded diagnostics that establish a baseline against the Tax Governance and Tax Compliance frameworks.
Assessment
Outliers Tax Health Check™
A management diagnostic of tax governance, compliance processes, records and readiness for tax-authority review. Not an audit, assurance opinion, tax clearance or formal tax opinion.
14 minutes · 23 questions
Start the assessmentAssessment
Outliers Tax Readiness Score™
10-question interactive transition diagnostic — measure your readiness for the 2026 Tax Acts and the Nigeria Revenue Service regime.
5 minutes · 10 questions
Start the assessmentKnowledge Graph
Related across the Tax Centre
Framework
Tax Governance Framework™
Board-grade oversight of the tax function under NTA 2025.
Framework
Tax Compliance Framework™
On-time, reconciled filings across CIT, VAT, WHT, PAYE and sector taxes.
Certification
Tax Excellence Certification™
Certify a tax function ready for the Nigerian Tax Act 2025 and the NRS era.
Advisory
Tax Advisory
Structuring, compliance and controversy across the full Nigerian tax stack.