Insights

Enterprise Client Base Diligence's substantial revenue range of 500 million to 1 billion dollars indicates a strong foothold with large enterprise clients seeking high-level security, investigations, and risk mitigation services, presenting significant opportunities for premium service offerings.

Technology Integration The company's use of advanced IT infrastructure, including Microsoft Azure, PHP, and PWA technologies, highlights their reliance on innovative tech stacks, suggesting potential sales opportunities in cybersecurity and enterprise software enhancements.

Industry Growth Potential Operating within the security and investigations sector, Diligence is positioned in a growing market driven by increasing demand for corporate security, compliance, and due diligence services, opening avenues for tailored solutions in these areas.

Client Application Focus Clients leverage Diligence's investigations for crucial activities such as dispute resolution, asset protection, and talent acquisition, indicating a market need for specialized investigative analytics tools and decision-support technologies.

Operational Scale With a team of 51-200 employees, Diligence's operational scale suggests capacity for personalized, high-quality investigations, offering opportunities to cross-sell digital investigation tools or expand service offerings tailored to medium-sized enterprises.

Diligence Tech Stack

Diligence uses 8 technology products and services including Joomla, Google Fonts API, PWA, and more. Explore Diligence's tech stack below.

  • Joomla
    Content Management System
  • Google Fonts API
    Font Scripts
  • PWA
    Miscellaneous
  • Ubuntu
    Operating Systems
  • Microsoft Azure
    Platform As A Service
  • PHP
    Programming Languages
  • X-Content-Type-Options
    Web & Portal Technology
  • Apache
    Web Servers

Media & News

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

Where is Diligence's headquarters located?

Minus sign iconPlus sign icon
Diligence's main headquarters is located at One Ely Place 3rd Floor London, England ec1n 6ry United Kingdom. The company has employees across 5 continents, including EuropeNorth AmericaAfrica.

What is Diligence's phone number?

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
Diligence's official website is diligence.com and has social profiles on LinkedIn.

What is Diligence's SIC code NAICS code?

Minus sign iconPlus sign icon
Diligence's SIC code is 6531 - Real Estate Agents and Managers NAICS code is 5616 - Investigation and Security Services.

How many employees does Diligence have currently?

Minus sign iconPlus sign icon
As of April 2026, Diligence has approximately 69 employees across 5 continents, including EuropeNorth AmericaAfrica. Key team members include Ceo: N. D.Chief Executive Officer: N. D.Founder & Teacher: A. S.. Explore Diligence's employee directory with LeadIQ.

What industry does Diligence belong to?

Minus sign iconPlus sign icon
Diligence operates in the Security and Investigations industry.

What technology does Diligence use?

Minus sign iconPlus sign icon
Diligence's tech stack includes JoomlaGoogle Fonts APIPWAUbuntuMicrosoft AzurePHPX-Content-Type-OptionsApache.

What is Diligence's email format?

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

When was Diligence founded?

Minus sign iconPlus sign icon
Diligence was founded in 2000.

Diligence

Security and InvestigationsEngland, United Kingdom51-200 Employees

Diligence is a private investigations firm, the output of our investigations help our clients make informed decisions bridging the gap between what they know and what they need to know in order to move forward. 

We Acquire by reading, listening, watching and following covertly. We Analyse by corroborating, spotting patterns, building context, and separating the objective from the subjective. We Advise by using our extensive experience, in which special situation projects are the norm.

Our clients use the product of our investigations to resolve disputes and recover funds, invest in and acquire other businesses and to identify and recruit talent, at all times keeping their businesses one step ahead of their competitors whilst protecting and securing their assets.

Section iconCompany Overview

Headquarters
One Ely Place 3rd Floor London, England ec1n 6ry United Kingdom
Phone number
SIC Code
6531 - Real Estate Agents and Managers
NAICS Code
5616 - Investigation and Security Services
Founded
2000
Employees
51-200

Section iconMedia & News

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

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.