How to Obtain ISO Certification in Nigeria: Step-by-Step Guide for Nigerian Companies

Over 70% of Nigerian companies seeking international contracts or large government tenders are disqualified simply for lacking ISO certification—a globally recognised benchmark for quality, safety, and efficiency. In today’s competitive market, ISO certification is not just a badge of honour; it’s often the gateway to new business opportunities, regulatory compliance, and customer trust. Whether you are targeting ISO 9001, 14001, or 27001, this detailed guide walks you through exactly how to get certified in Nigeria, from choosing the right standard to applying through NiNAS-accredited bodies, breaking down costs, steps, and insider tips to help your company stand out and scale faster.
How to Obtain ISO Certification in Nigeria: Step-by-Step Guide for Nigerian Companies

Before diving into the detailed steps, this guide summarises how a Nigerian company can achieve ISO certification through NiNAS-accredited bodies. You will learn how to:

  1. Select the appropriate ISO standard and understand its core requirements.

  2. Prepare your management system documentation and processes.

  3. Choose and apply to a NiNAS-accredited certification body.

  4. Navigate the two-stage audit process.

  5. Estimate costs, including typical consultant fees.

  6. Maintain your certification through surveillance and recertification audits.


1. Selecting Your ISO Standard & Core Requirements

ISO Standard Focus Area Core Requirement Highlights
ISO 9001 Quality Management System (QMS) Quality policy, process mapping, internal audits, corrective actions
ISO 14001 Environmental Management System Environmental policy, aspect‐impact analysis, compliance obligations
ISO 45001 Occupational Health & Safety (OH&S) Risk assessment, hazard identification, safety objectives
ISO 27001 Information Security Management ISMS scope, risk treatment plan, Statement of Applicability
ISO 22000 Food Safety Management System HACCP plan, prerequisite programmes (PRPs), traceability

Tip: Conduct a gap analysis against your chosen standard to identify missing elements before documentation begins.


2. Preparing Your Management System

  1. Document Development

    • Draft a Management Manual, policies, procedures, and process flows that address every clause of your chosen ISO standard.

  2. Training & Awareness

    • Train employees on system requirements and their roles within it.

  3. Internal Audits

    • Perform audits to uncover nonconformities; record findings and implement corrective actions.

  4. Management Review

    • Senior leadership conducts periodic reviews of system performance, resources, and improvement opportunities.


3. Choosing a NiNAS-Accredited Certification Body

The Nigeria National Accreditation System (NiNAS) accredits certification bodies (CBs) in accordance with ISO/IEC 17011 to ensure impartiality and competence. Below are some prominent NiNAS-accredited CBs you can engage:

Certification Body Website
SGS Nigeria sgs.com/en-ng/services/iso-9001-certification
Bureau Veritas Nigeria bureauveritas.com/ng/en/services/certification
DQS Nigeria dqs-group.com/en-ng/certification.html
Paragon International paragon-intl.com/iso-certification/
Certification International Nigeria certification-intl.com.ng/
BQSR Certification bqsrcert.com/iso-certification/

Verify Accreditation: Always confirm each body’s scope on the NiNAS directory before applying ninas.ng.


4. Application & Audit Procedure

Step 1: Submit Application & Scope Definition

  • Complete the CB’s Application Form, specifying your sites, processes, and chosen ISO standard(s).

  • Attach your documented management system for Stage 1 audit planning.

Step 2: Stage 1 Audit (Documentation Review)

  • The auditor reviews your documentation to check alignment with the standard.

  • Any gaps are identified so you can implement corrections before Stage 2.

Step 3: Stage 2 Audit (On-Site Assessment)

  • Auditors visit your premises to verify implementation of documented processes.

  • Evidence is collected via interviews, observations, and records review.

Step 4: Corrective Actions & Certification Decision

  • Submit Corrective Action Plans for any nonconformities found.

  • Upon successful closure, the CB issues your ISO certificate, valid for three years.


5. Cost Breakdown

Cost Element Estimated Range (₦)
Certification Audit Fees ₦800,000 – ₦6,000,000 (based on size)
Internal Preparation (Training, Internal Audits) ₦300,000 – ₦1,000,000
Consultant Fees ₦1,500,000 – ₦3,500,000 (see below)

Note: Certification bodies do not usually publish fixed fees; obtain bespoke quotes.

Consultant Fee Packages

According to market offerings on:

  • Basic (ISO 9001 only): ₦1,500,000

  • Standard (ISO 9001 & ISO 14001): ₦2,500,000

  • Premium (ISO 9001, ISO 14001 & ISO 45001): ₦3,500,000

Engaging a consultant can streamline the process by handling gap analysis, documentation, and audit readiness.


6. Maintaining Your Certification

  • Surveillance Audits: Conducted annually to ensure continued conformity.

  • Recertification Audit: A full re-audit every three years, mirroring the initial Stage 2 audit.


7. Frequently Asked Questions

  1. How long does the process take?
    Typically 6–12 months, depending on your readiness and audit scheduling.

  2. Can audits be remote?
    Some CBs offer remote/document reviews for Stage 1 or parts of Stage 2, subject to NiNAS approval.

  3. Is ISO certification mandatory?
    No—voluntary, but often required by regulators, clients, or tender specifications.

  4. Can small businesses get certified?
    Yes—standards are scalable to any organisation size.

  5. What if I fail the audit?
    You will receive nonconformity reports, implement corrective actions, and the CB will verify before certification.


By following this Nigeria-focused, step-by-step roadmap—selecting the right standard, preparing your system, engaging a NiNAS-accredited CB, and budgeting for all costs—you can confidently achieve ISO certification and demonstrate your company’s commitment to excellence.

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