Insights

Strategic partnerships G4S has formalized a collaboration with UNI Global Union to support workers’ rights to organize, signaling openness to multi-stakeholder partnerships that could be leveraged to co-create compliant security solutions for unions, campuses, and corporate clients.

Leadership changes Recent leadership appointments in Botswana and internal governance updates indicate ongoing organizational change, suggesting a timing window for introducing enhanced security services, risk assessments, and process optimization offerings to align with new leadership priorities.

New client wins G4S secured a multi-site contract with Coventry University and is expanding presence in institutional markets, presenting opportunities to offer integrated campus security, smart monitoring, and compliance-driven services to large education clients.

Public sector partnerships The UK-first modular NHS ambulance fleet collaboration points to a track record in public sector logistics and critical-infrastructure security, enabling tailored proposals around fleet protection, incident response, and complex multisite deployments for health and government sectors.

Scale and capabilities With a global workforce and substantial revenue, G4S’s scale supports upsell of end-to-end security platforms, including smart technology, data-driven risk management, and integrated facilities services to enterprise clients seeking scalable security solutions.

Similar companies to G4S

G4S Tech Stack

G4S uses 8 technology products and services including Hotjar, Canva, Postman, and more. Explore G4S's tech stack below.

Media & News

G4S's Email Address Formats

G4S uses at least 9 email formats:
G4S Email FormatsExamplePercentage
First.Last@g4s.comJohn.Doe@g4s.com
99%
FirstL@g4s.comJohnD@g4s.com
1%
First.Last@g4s.usJohn.Doe@g4s.us
78%
FLast@g4s.usJDoe@g4s.us
14%
FirstLast@g4s.usJohnDoe@g4s.us
4%
F.Last@g4s.usJ.Doe@g4s.us
4%
First.Last@uk.g4s.comJohn.Doe@uk.g4s.com
96%
First.Middle@uk.g4s.comJohn.Michael@uk.g4s.com
3%
FirstLast@uk.g4s.comJohnDoe@uk.g4s.com
1%

Frequently Asked Questions

What is G4S's phone number?

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You can contact G4S'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 G4S's stock symbol?

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G4S is a publicly traded company; the company's stock symbol is GFSZ.

What is G4S's official website and social media links?

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G4S's official website is g4s.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does G4S generate?

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As of August 2026, G4S's annual revenue is estimated to be $10B+.

What is G4S's SIC code and NAICS code?

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G4S's SIC code is 7381 - Detective, Guard, and Armored Car Services and NAICS code is 5616 - Investigation and Security Services.

How many employees does G4S have currently?

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As of August 2026, G4S has approximately 117K employees across 6 continents, including Europe, North America and Asia. Key team members include Ceo: O. K., Ceo Ecuador: S. M. and CFO: P. F. Explore G4S's employee directory with LeadIQ.

What industry does G4S belong to?

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G4S operates in the Security and Investigations industry.

What technology does G4S use?

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G4S's tech stack includes Hotjar, Canva, Postman, Microsoft SQL Server, Informatica, SAP Ariba, Slack and Citrix.

What is G4S's email format?

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G4S's email format typically follows the pattern of First.Last@g4s.com. Find more G4S email formats with LeadIQ.

How much funding has G4S raised to date?

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As of August 2026, G4S has raised $541M in funding. The last funding round occurred on Sep 28, 2013 for $541M.

When was G4S founded?

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G4S was founded in 1901.
G4S logo

G4S

Security and InvestigationsEngland, United Kingdom10001+ Employees

G4S operates in the security and investigations industry, providing security and facility services augmented by smart technology to deliver integrated security solutions for its clients. The company is headquartered in London, United Kingdom, at 50 Broadway, 6th Floor, London, SW1H 0DB. It maintains a large global workforce, with around 800,000 employees worldwide and more than 10,000 in its local employee base. Its technology stack includes tools such as Geotab and Talkwalker, among others, to support security operations and service delivery. In recent years, G4S has deployed AI-powered security technology at charging ports, reportedly achieving a 40% reduction in vandalism and cable theft, and has pursued organizational changes including leadership transitions and office closures in Europe. } }

Section iconCompany Overview

Phone number
Website
g4s.com
SIC Code
7381 - Detective, Guard, and Armored Car Services
Stock Symbol
GFSZ
NAICS Code
5616 - Investigation and Security Services
Founded
1901
Employees
10001+

Section iconFunding & Financials

  • $541M

    G4S has raised a total of $541M of funding over 1 rounds. Their latest funding round was raised on Sep 28, 2013 in the amount of $541M as a Post IPO Equity.

  • $10B+

    G4S's revenue is estimated to be in the range of $10B+

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