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11 Best ISO Certification Providers in Singapore (2026)

A guide to the best ISO certification providers in Singapore: SAC-accredited certification bodies and ISO consultants for ISO 9001, 14001, 45001 and 27001.

By: Amir Wahab
Edited by: Amir Wahab
Published: 26 Sep 2026
Reading time: 6 min read

An auditor reviewing quality-management documents and a certificate during an ISO audit in a Singapore office

ISO certification in Singapore involves two very different kinds of firm, and it helps to know which you are talking to. A certification body is an accredited, independent auditor that assesses your management system and issues the certificate, while an ISO consultant helps you build and document that system and get audit-ready but cannot certify you. For independence, most companies engage one of each, separately. The list below covers real, currently operating Singapore certification bodies and consultants across standards such as ISO 9001, ISO 14001, ISO 45001 and ISO 27001.

1. TUV SUD PSB

TUV SUD PSB is an accredited certification body and the Singapore arm of the global TUV SUD group, auditing organisations and issuing management-system certificates rather than helping them prepare. From its base at Singapore Science Park, it certifies standards including ISO 9001 (quality), ISO 14001 (environmental), ISO 45001 (occupational health and safety) and ISO 27001 (information security), and says it was the first body in Asia to introduce ISO 9000-based quality certification. It holds Singapore Accreditation Council (SAC) accreditation and works across manufacturing, engineering and regulated industries.

Singapore Science Park
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2. SGS Singapore

SGS is a global testing, inspection and certification company, and its Singapore certification arm acts as an independent third-party body that audits and issues management-system certificates rather than consulting on how to pass. It certifies a broad range of standards, among them ISO 9001 for quality, ISO 14001 for environmental management, ISO 45001 for health and safety, ISO 27001 for information security and ISO 22000 for food safety. As an internationally recognised certifier, SGS suits companies that want certification backed by a widely known global brand and local audit teams.

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3. Bureau Veritas Singapore

Bureau Veritas is a global conformity-assessment group whose Singapore certification arm audits and issues management-system certificates as an independent third-party body. The company states it holds Singapore Accreditation Council (SAC) accreditation for ISO 9001, and its wider portfolio covers standards such as ISO 14001, ISO 45001 and ISO 27001. Operating from Ayer Rajah Crescent, Bureau Veritas works across sectors including marine, construction, manufacturing and commodities, making it a fit for organisations that want an established international certifier with teams on the ground in Singapore.

Ayer Rajah
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4. DNV

DNV is a global assurance and risk-management company that operates in Singapore as an accredited management-system certification body, auditing organisations and issuing certificates rather than consulting on how to prepare. Its Singapore site describes certification services for ISO 9001 (quality), ISO 14001 (environmental), ISO 45001 (health and safety) and ISO/IEC 27001 (information security), among others, alongside gap assessments and training. With roots in maritime and energy assurance, DNV suits companies in shipping, oil and gas and technical industries seeking a specialist certifier.

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5. EQA IMS Certification

EQA IMS Certification is a Singapore-based independent certification body that audits and certifies management systems. The firm says it has operated since 2011 and holds both Singapore Accreditation Council (SAC) and JAS-ANZ accreditation, directly certifying ISO 9001, ISO 14001, ISO 45001 and ISO 41001 (facilities management); it adds that, through partner bodies, it also arranges audits for standards such as ISO 13485, ISO 22000 and ISO 27001. Based in Yishun, it is an option for firms wanting a locally rooted, accredited certifier.

Yishun
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6. Guardian Independent Certification

Guardian Independent Certification (GIC) is a Singapore certification body that the group says was established in 2002, providing third-party audits and certificates rather than implementation help. It covers quality, environmental, occupational health and safety, food safety and information security management systems, spanning standards such as ISO 9001, ISO 14001, ISO 45001, ISO 22000 and ISO 27001, and states that it is accredited by the Singapore Accreditation Council (SAC). Operating from Ubi, GIC is worth considering among the smaller, locally based accredited certifiers.

Ubi
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7. QCert Singapore

QCert Singapore is an accredited certification body that audits and issues management-system certificates. The company states it is accredited by the Singapore Accreditation Council (SAC) in line with ISO/IEC 17021-1, with that accreditation covering ISO 9001 (quality), ISO 14001 (environmental) and ISO 45001 (occupational health and safety); it says it also offers certification against a wider set of ISO standards. Based at Wcega Tower in Bukit Batok, QCert is a locally based option for SMEs seeking an accredited certifier close to home.

Bukit Batok
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8. IMS Consultancy

IMS Consultancy is a Singapore ISO consultant: it helps organisations build and document management systems and prepare for audit, but does not itself issue certificates, which must come from a separate accredited body. The firm offers consultation, internal auditing and training across more than a dozen standards, including ISO 9001, ISO 14001, ISO 45001, ISO 22000 and ISO 27001, as well as bizSAFE. It positions itself for companies across industries that want hands-on help becoming certification-ready before an external audit.

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9. G.E.N.S Management Consultancy

G.E.N.S Management Consultancy is a Singapore ISO consultancy that provides implementation and documentation support to help companies achieve certification; it is a consultant rather than an accredited certification body. The firm covers standards including ISO 9001 (quality), ISO 45001 (health and safety), ISO 14001 (environmental), ISO 27001 (information security) and ISO 37001 (anti-bribery), and tailors systems to a client's operations. Working from The Arcade at Collyer Quay, it suits organisations that want a consultant to prepare their documentation and processes ahead of an external audit.

Raffles Place
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10. Stendard

Stendard is a Singapore ISO consultancy with a regulatory-technology angle: its consultants set up new, existing or integrated management systems, paired with proprietary software for document control, workflow and audit tracking. It works across standards such as ISO 9001, ISO 13485 (medical devices), ISO 27001, ISO 45001, ISO 14001 and ISO 22000, and notes that it links clients with separate certification bodies for the official audit. Stendard is a fit for regulated and technology-driven companies, including medical-device firms, that want software-supported implementation rather than paperwork alone.

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11. QES Consultancy

QES Consultancy (Quality Enterprise Solutions) is a Singapore compliance consultancy that says it has operated since 2014, helping businesses prepare for ISO certification and related approvals as a consultant rather than a certifier. Its ISO scope spans standards such as ISO 9001, ISO 13485, ISO 14001, ISO 45001, ISO 22000, ISO 22301 and ISO/IEC 27001, and it also handles bizSAFE and Workplace Safety and Health programmes, CaseTrust and other local schemes. Based in Ang Mo Kio, it suits SMEs wanting one adviser for ISO and Singapore-specific compliance.

Ang Mo Kio
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How to choose

Know the difference between a certification body and a consultant: the body is the independent auditor that issues your certificate, while the consultant helps you build and document the system. For impartiality you usually engage them separately, because a body cannot both consult on and certify the same management system.
Check accreditation on the certifier's side. An accredited certificate, for example one backed by the Singapore Accreditation Council (SAC) or another IAF-recognised accreditation body such as UKAS or JAS-ANZ, carries more weight with regulators and customers than an unaccredited one, so confirm the specific standard falls within that body's accredited scope.
Match the provider to the standards you actually need, whether that is ISO 9001 for quality, ISO 14001 for environment, ISO 45001 for safety, ISO 27001 for information security or ISO 22000 for food safety, since not every body or consultant is accredited or experienced in all of them.
Weigh sector experience: an auditor or consultant who already knows your industry, be it manufacturing, construction, healthcare, food or IT, will grasp its risks and regulatory context faster than a generalist, which usually means a smoother process.
Be clear on whether you need implementation help or just the audit. A mature organisation may go straight to a certification body, while one starting from scratch often needs a consultant first to set up documentation, train staff and run internal audits before the external assessment.
Ask about cost and timeline upfront and get them in writing. Certification commonly runs as a multi-stage audit with annual surveillance and periodic recertification, so budget for the ongoing cycle rather than just the first certificate, and confirm what any consultancy fee does and does not include.

Update history

Published 26 Sep 2026. No changes recorded since.

About the author

Amir Wahab

Founder and Editor

Amir Wahab is the founder and editor of LocalRank, an independent Singapore rankings and local guides publication.

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