Insights

Strategic security partner Diligence operates in the security and investigations space with over two decades of experience and a client-focused approach, presenting an opportunity to position cross-selling security services, risk assessments, and investigations to mid-market firms seeking trusted partners.

Scale and budget Revenue is estimated between $500M and $1B, indicating substantial buying power and potential for enterprise-grade security solutions, services, and managed investigations packages.

Tech enablement The tech stack includes cloud and security-oriented technologies (Microsoft Azure, OpenSSL, UNIX) suggesting openness to integrated software, data security, and custom workflow enhancements that can be offered as value-added solutions.

Growth-ready With 51-200 employees and a history of formal partnerships, Diligence may be exploring scale through expanded services, training, or companion offerings such as compliance, risk monitoring, and intelligence-led advisory.

Competitive positioning Positioned as an intelligence-driven partner that sharpens decision-making, there is an opportunity to differentiate with advanced analytics, case management platforms, and proactive monitoring to outperform competitors in legal and regulatory challenges.

Diligence Tech Stack

Diligence uses 8 technology products and services including WordPress, CIVIC, Modernizr, and more. Explore Diligence's tech stack below.

  • WordPress
    Content Management System
  • CIVIC
    Cookie Compliance
  • Modernizr
    Javascript Libraries
  • jQuery
    Javascript Libraries
  • UNIX
    Operating Systems
  • Microsoft Azure
    Platform As A Service
  • PHP
    Programming Languages
  • OpenSSL
    Web Server Extensions

Diligence's Email Address Formats

Diligence uses at least 1 format(s):
Diligence Email FormatsExamplePercentage
FLast@diligence.comJDoe@diligence.com
94%
F.Last@diligence.comJ.Doe@diligence.com
2%
First@diligence.comJohn@diligence.com
2%
FirstLast@diligence.comJohnDoe@diligence.com
2%

Frequently Asked Questions

What is Diligence's phone number?

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You can contact Diligence's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Diligence's official website and social media links?

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Diligence's official website is diligence.com and has social profiles on LinkedIn.

How much revenue does Diligence generate?

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As of July 2026, Diligence's annual revenue is estimated to be $500M - $1B.

What is Diligence's NAICS code?

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Diligence's NAICS code is 5616 - Investigation and Security Services.

How many employees does Diligence have currently?

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As of July 2026, Diligence has approximately 67 employees across 5 continents, including EuropeNorth AmericaAfrica. Key team members include Ceo: N. D.Chief Executive Officer: N. D.Founder And President: J. S.. Explore Diligence's employee directory with LeadIQ.

What industry does Diligence belong to?

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Diligence operates in the Security and Investigations industry.

What technology does Diligence use?

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Diligence's tech stack includes WordPressCIVICModernizrjQueryUNIXMicrosoft AzurePHPOpenSSL.

What is Diligence's email format?

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Diligence's email format typically follows the pattern of FLast@diligence.com. Find more Diligence email formats with LeadIQ.

When was Diligence founded?

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Diligence was founded in 2000.
Diligence logo

Diligence

Security and InvestigationsEngland, United Kingdom51-200 Employees

Diligence operates in the security and investigations sector, assisting businesses facing complex legal challenges. The firm combines deep industry knowledge with innovative approaches, delivered by a team of professionals with extensive experience. With more than twenty years in the field, it aims to help clients address issues that others overlook. Through its analytical insights, the company supports sharper decision-making and greater strategic leverage as clients proceed with their plans.

Based in London, England, the organization positions itself as a mid-sized firm operating in the security and investigations sector. Its work centers on translating complex information into practical guidance that informs risk assessment and critical choices.

Section iconCompany Overview

Phone number
NAICS Code
5616 - Investigation and Security Services
Founded
2000
Employees
51-200

Section iconFunding & Financials

  • $500M - $1B

    Diligence's revenue is estimated to be in the range of $500M - $1B

Section iconFunding & Financials

  • $500M - $1B

    Diligence's revenue is estimated to be in the range of $500M - $1B

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