There is no straightforward answer to this question as it depends on the size and complexity of your organisation, what systems and processes are already in place and what resources are available.  

However, in URM’s experience it typically takes between 6 and 9 months for a small, low complexity organisation to fully implement ISO 27001.  

With larger, more complex environments, 9 to 18 months is closer to the norm for fully establishing an ISMS. This naturally assumes that the appropriate resources are made available to achieve the desired outcomes.

Our consultant was very thorough and knowledgeable when delivering the ISO 27001 pre-stage-2 internal audit.
Transport technology provider
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ISO 27001 Clause 5.1: Leadership and Commitment Explained

Published on
8 Sep
2025

URM’s blog explores Clause 5.1 of ISO 27001, what you must do to meet its requirements, and why leadership & commitment are vital to an effective ISMS.

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Cyber Security
Published on
29/8/2025
Critical Cyber Security Practices to Defend Against Ransomware Attacks

URM’s blog examines how ransomware occur, and highlights practical cyber security measures you can implement to reduce your exposure and mitigate security risk.

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Information Security
Published on
29/8/2025
ISO 27001: How Certification Works

URM’s blog breaks down the ISO 27001 certification process, the roles of certification bodies and UKAS, what auditors look for during assessments, and more.

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Information Security
Published on
7/8/2025
ISO 27001:2022 - A.5 Organisational Controls (Business Continuity)

URM’s blog explores the ISO 27001 business continuity controls, why they matter, & how they can be effectively implemented to ensure conformance to the Standard

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The partnership approach URM takes is genuine. Our relationship with URM is not hard-nosed or overly commercialised, and feels much closer to a partnership arrangement than any other security consultancy providers we have worked with. If we had a new piece of work that we needed external help with, URM would be our first port of call for assistance.
CISO at University of Surrey
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