Insights

Network Advantage NSI certifies and verifies over 2000 security and fire safety providers and engages buyers across homeowners, businesses, public sector, police, fire services, and insurers. This creates a ready channel for selling complementary services to NSI approved contractors and their customers, such as certification support, training, security tech upgrades, and managed risk solutions.

Thought Leadership NSI actively participates in Outstanding Security Performance Awards events and has recent leadership hires, indicating a growth and branding push with an events budget. Opportunities include event sponsorship, co branded webinars, and content partnerships that connect your solutions with NSI approved providers and specifiers.

Marketing Momentum Recent leadership appointments signal a stronger focus on marketing and demand generation. This opens doors for marketing automation, CRM driven ABM campaigns, content marketing, and partner enablement programs to help NSI and its network attract more qualified leads.

Compliance Partnerships As an SIA ACS Assessing Body and a regional TAPA EMEA audit body, NSI operates in strict standards environments. There is potential to provide specialized audit management software, training, and reporting tools to streamline NSI processes and serve its large provider network.

Scale Readiness With a mid sized budget and workforce, NSI is well positioned to adopt scalable certification management technologies, document control, scheduling, and analytics that optimize certification workflows across its large provider network.

NSI - National Security Inspectorate Tech Stack

NSI - National Security Inspectorate uses 8 technology products and services including html5media, Google Fonts API, Twemoji, and more. Explore NSI - National Security Inspectorate's tech stack below.

  • html5media
    Audio, Video, Graphics
  • Google Fonts API
    Font Scripts
  • Twemoji
    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
96%
First.Middle@nsi.org.ukJohn.Michael@nsi.org.uk
2%
First@nsi.org.ukJohn@nsi.org.uk
2%

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 May 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 html5mediaGoogle Fonts APITwemojiPriority 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

NSI - National Security Inspectorate operates as the United Kingdom’s principal specialist certification body for security and fire safety and is accredited by UKAS. It is a not-for-profit organization that independently verifies over 2,000 providers against British, European and International standards and NSI Codes of Practice, providing assurance to homeowners, businesses, and the public sector. The NSI approval is used as a benchmark of compliance by policing, fire and rescue services and the insurance industry. Based in Maidenhead, England, NSI covers a broad spectrum of services within the security and investigations field, including electronic security systems, fire detection and alarm systems, and security guarding and keyholding. It also serves as a Security Industry Authority Assessing Body for the Approved Contractor Scheme and as a Regional Independent Audit Body for the Transported Asset Protection Association (TAPA EMEA). In 2025, NSI appointed Jon Webster as Head of Marketing.

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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