Insights

Market Leadership NSI is the UK's leading certification body in security and fire safety, with a trusted reputation backed by UKAS accreditation. This positions NSI as a preferred partner for security and fire safety providers seeking industry recognition, creating opportunities to promote certification services or related compliance solutions.

Growth and Expansion Recent key hires such as a new Chief Operating Officer and Head of Marketing indicate ongoing organizational growth and strategic expansion, offering prospects for B2B solutions that support operational efficiency, marketing, and branding enhancements.

Industry Certification Focus NSI’s focus on rigorous certification and standards compliance across sectors opens avenues for partnerships with technology providers, testing laboratories, or consulting firms offering compliance, audit, and certification-related products or services to their approved companies.

Engagement & Events Active participation in industry awards and international events like IFSEC International presents sales opportunities for security hardware, software, and training providers to connect with NSI-certified companies and promote their latest solutions.

Financial Profile With revenue estimated between $1 million and $10 million, NSI operates in a niche but vital market segment, making it an attractive target for specialized security and fire safety solutions, training programs, and certifications aimed at elevating the standards of their approved companies.

Similar companies to NSI - National Security Inspectorate

NSI - National Security Inspectorate Tech Stack

NSI - National Security Inspectorate uses 8 technology products and services including Section.io, Cufon, Google Fonts API, and more. Explore NSI - National Security Inspectorate's tech stack below.

  • Section.io
    Content Delivery Network
  • Cufon
    Font Scripts
  • Google Fonts API
    Font Scripts
  • Priority Hints
    Performance
  • Google Tag Manager
    Tag Management
  • Contact Form 7
    Web Platform Extensions
  • Microsoft IIS
    Web Servers
  • Conditional Fields for Contact Form 7
    Widgets

Media & News

NSI - National Security Inspectorate's Email Address Formats

NSI - National Security Inspectorate uses at least 1 format(s):
NSI - National Security Inspectorate Email FormatsExamplePercentage
First.Last@nsi.org.ukJohn.Doe@nsi.org.uk
49%
First.Middle@nsi.org.ukJohn.Michael@nsi.org.uk
1%
First@nsi.org.ukJohn@nsi.org.uk
1%
First.Last@nsi.org.ukJohn.Doe@nsi.org.uk
49%

Frequently Asked Questions

Where is NSI - National Security Inspectorate's headquarters located?

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NSI - National Security Inspectorate's main headquarters is located at 5 Reform Road Maidenhead, England United Kingdom. The company has employees across 1 continents, including Europe.

What is NSI - National Security Inspectorate's official website and social media links?

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NSI - National Security Inspectorate's official website is nsi.org.uk and has social profiles on LinkedIn.

What is NSI - National Security Inspectorate's SIC code NAICS code?

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NSI - National Security Inspectorate's SIC code is 7381 - Detective, Guard, and Armored Car Services NAICS code is 5616 - Investigation and Security Services.

How many employees does NSI - National Security Inspectorate have currently?

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As of February 2026, NSI - National Security Inspectorate has approximately 89 employees across 1 continents, including Europe. Key team members include Chief Executive Officer: R. F.Head Of Marketing: J. W.Head Of Information Systems: M. P.. Explore NSI - National Security Inspectorate's employee directory with LeadIQ.

What industry does NSI - National Security Inspectorate belong to?

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NSI - National Security Inspectorate operates in the Security and Investigations industry.

What technology does NSI - National Security Inspectorate use?

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NSI - National Security Inspectorate's tech stack includes Section.ioCufonGoogle Fonts APIPriority HintsGoogle Tag ManagerContact Form 7Microsoft IISConditional Fields for Contact Form 7.

What is NSI - National Security Inspectorate's email format?

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NSI - National Security Inspectorate's email format typically follows the pattern of First.Last@nsi.org.uk. Find more NSI - National Security Inspectorate email formats with LeadIQ.

When was NSI - National Security Inspectorate founded?

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NSI - National Security Inspectorate was founded in 1971.

NSI - National Security Inspectorate

Security and InvestigationsEngland, United Kingdom51-200 Employees

The National Security Inspectorate is the UK's leading specialist security and fire safety Certification Body accredited by UKAS, the United Kingdom Accreditation Service.  As a not-for-profit organisation, NSI independently verifies over 2000 companies, from premium local providers to premier national providers, against British, European and International Standards and NSI Codes of Practice, for the benefit and reassurance of homeowners, businesses, the public sector and the general public. NSI approval is the most highly trusted hallmark of excellence for providers of security and fire safety services. Choosing an NSI approved company ensures that the contractor you select works to the highest recognised industry standards as demanded by the Police, Fire and Rescue Services and insurance industry.

NSI approved companies provide a wide range of services across the security and fire safety sectors including :

- electronic security systems - intruder alarms / burglar alarms, CCTV, access control 
- fire detection and alarm systems 
- security guarding services / keyholding services 
- NSI is a Security Industry Authority (SIA) Assessing Body for the Approved Contractor Scheme (ACS) and a Regional Independent Audit Body for the Transported Asset Protection Association (TAPA EMEA).

Section iconCompany Overview

Headquarters
5 Reform Road Maidenhead, England United Kingdom
Website
nsi.org.uk
SIC Code
7381 - Detective, Guard, and Armored Car Services
NAICS Code
5616 - Investigation and Security Services
Founded
1971
Employees
51-200

Section iconFunding & Financials

  • $1M$10M

    NSI - National Security Inspectorate's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    NSI - National Security Inspectorate's revenue is estimated to be in the range of $1M$10M

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