If you want to win bigger orders, bid for government tenders or build trust with overseas buyers, you will often hear the same advice: get ISO certified. But ISO is not a single certificate. There are many standards, and each one covers a different part of your business. This guide explains the main types of ISO certification in India, what each one is for, the benefits, the process, and how to pick the right certification body.
Quick answer: The most common types of ISO certification in India are ISO 9001 (quality), ISO 14001 (environment), ISO 45001 (health and safety), ISO/IEC 27001 (information security) and ISO 22000 (food safety).
What Is ISO Certification?
ISO stands for the International Organization for Standardization, an independent body that develops international standards. An important point many people miss: ISO does not issue certificates. Independent certification bodies audit your business against a chosen standard and issue the certificate if you meet its requirements. In India, these bodies are accredited by NABCB (National Accreditation Board for Certification Bodies) under the Quality Council of India.
Most certifications are for management systems. This means the certificate shows that your organisation follows a documented, tested way of managing quality, safety, security or other areas.
Main Types of ISO Certification in India
| Standard | What it covers | Best suited for |
|---|
| ISO 9001:2015 | Quality Management System | Almost every manufacturer, trader and service business |
| ISO 14001:2015 | Environmental Management System | Factories, exporters, construction and waste handling |
| ISO 45001:2018 | Occupational Health and Safety | Industrial units, contractors, labour-heavy businesses |
| ISO/IEC 27001:2022 | Information Security Management | IT companies, BPOs, fintech and data-driven firms |
| ISO 22000:2018 | Food Safety Management | Food manufacturers, caterers, packaging and storage |
| ISO 13485 | Medical devices quality | Medical device makers and suppliers |
| ISO 50001 | Energy Management | Energy-intensive plants and large facilities |
Other Popular ISO Certifications
- ISO 37001: Anti-bribery management system for companies that deal with government or large contracts
- ISO 28000: Security management for supply chains and logistics
- ISO 20000-1: IT service management
- ISO 22301: Business continuity management
- ISO 10002: Guidelines for customer complaint handling
- ISO 20121: Sustainable event management
- ISO 21001: Management system for educational organisations
Outdated Names You Should Stop Using
Many websites still use old standard names. Using them can make your content and your certificate look outdated:
- ISO 9001:2008 was replaced by ISO 9001:2015.
- OHSAS 18001 was replaced by ISO 45001.
- EN 16001 was replaced by ISO 50001.
- ISO 22008 is not the food safety standard. The correct one is ISO 22000.
Also note that ISO 639 (language codes), ISO 4217 (currency codes), ISO 3166 (country codes) and ISO 8601 (date and time format) are reference standards. Businesses do not get certified to them. Likewise, ISO 31000 (risk management) and ISO 26000 (social responsibility) are guidance documents, not certifiable standards. ISO/IEC 17025 applies to testing and calibration laboratories, which are accredited rather than certified.
Benefits of ISO Certification
- International credibility: An ISO certificate is recognised across the world and helps you win trust with overseas buyers.
- Government and private tenders: Many tenders list ISO certification as a requirement or give it preference in scoring.
- Customer satisfaction: Defined processes mean fewer mistakes, faster responses and more consistent service.
- Business efficiency: Documented procedures reduce waste, rework and confusion between teams.
- Better product quality: Fewer defects mean fewer rejected orders and returns.
- Stronger marketing: You can display the certificate and logo on your website, brochures and quotations.
- Legal and risk control: Standards such as ISO 45001 and ISO/IEC 27001 help you reduce accidents and data risks.
How to Choose the Right ISO Certification
Do not pick a standard just because a competitor has it. Ask yourself these questions first:
- What do your customers or tenders actually ask for?
- Which risk matters most in your business: quality, safety, data or the environment?
- Are you planning to export to markets that require a specific standard?
- Do you want to start with one standard, such as ISO 9001, and add more later?
For most small and medium businesses, ISO 9001 is the best starting point. Businesses can later combine standards into an integrated management system to save time and audit costs.
Remember that certification is not a one-time task. The standard expects you to keep improving, so plan regular internal audits, management reviews and staff training. This keeps your system alive and makes every external audit much easier.
How to Get ISO Certification in India
- Select the standard: Decide which ISO standard fits your business and customers.
- Gap check: Compare your current practices with the standard and note what is missing.
- Prepare documents and procedures: Write your policies, procedures and records, and train your staff.
- Choose an accredited certification body: Apply to a body accredited for your standard and industry.
- Stage 1 audit: The auditor reviews your documents and readiness.
- Stage 2 audit: The auditor checks whether you actually follow your system on the ground.
- Close findings and get certified: Fix any non-conformities and receive your certificate.
- Surveillance audits: Expect yearly follow-up audits, and a recertification audit before the three-year validity ends.
Documents Usually Needed
- Business registration proof, such as GST, Udyam or incorporation certificate
- Letterhead or visiting card
- Sale and purchase invoices
- Scope of your business activities
Which ISO Certification Suits Your Industry?
- Manufacturing: ISO 9001 for quality, ISO 14001 for environment and ISO 45001 for worker safety.
- IT and software: ISO/IEC 27001 for data security and ISO 20000-1 for service management.
- Food business: ISO 22000 along with your FSSAI registration.
- Healthcare products: ISO 13485 for medical devices.
- Trading and services: ISO 9001 is usually enough to begin with.
- Logistics: ISO 28000 for supply chain security.
Common Mistakes to Avoid
- Buying a certificate without actually following the system. Auditors check this during surveillance audits.
- Choosing a non-accredited body only because the price is low.
- Using an old standard name or year on the certificate.
- Defining the scope too narrowly, so the certificate does not cover your real activities.
- Forgetting the yearly surveillance audit, which can lead to suspension of the certificate.
ISO Certification Cost and Timeline
There is no fixed price. The cost and time depend on the standard, your company size, the number of employees and locations, the complexity of your processes, the level of risk in your work, and the number of shifts. A small trading business with a simple scope may finish quickly, while a large manufacturing unit needs more audit days and more time. Always ask for a written quotation that clearly shows the audit fee and surveillance fees.
How to Select a Certification Body
Because ISO does not certify businesses, the body you choose matters a lot. Before you pay, check these points:
- It is accredited by NABCB or an accreditation body recognised under the IAF multilateral agreement.
- The accreditation covers your standard and your industry scope.
- It follows international rules for certification bodies, such as ISO/IEC 17021-1.
- You can verify the certificate on the body's website or the accreditation body's directory.
Be careful with very cheap offers and "instant certificates". A certificate from a non-accredited body may be rejected by tender authorities and buyers, and you would lose both money and time.
Need help choosing and getting ISO certified? Our team guides you on the right standard and handles the process with an accredited body. Apply for ISO certification or call +91 9999385617. Frequently Asked Questions
How many types of ISO certification are there in India?
ISO has published thousands of standards, but businesses mainly get certified to a few management system standards such as ISO 9001, 14001, 45001, 27001, 22000, 13485 and 50001.
Does ISO itself issue ISO certificates?
No. ISO develops standards. Independent certification bodies audit your business and issue the certificate.
Which ISO certification is most common in India?
ISO 9001 (Quality Management System) is the most common, followed by ISO 14001, ISO 45001 and ISO/IEC 27001.
How long is an ISO certificate valid?
Generally three years, with yearly surveillance audits and a recertification audit at the end of the cycle.
Is ISO certification mandatory in India?
It is voluntary, but many tenders, buyers and export markets ask for it.
How do I check if a certification body is accredited?
Ask for its accreditation certificate and verify it with the accreditation body. In India, certification bodies are accredited by NABCB under the Quality Council of India.