How many employees does G4S have?

G4S has 117,180 employees on LinkedIn, down 3% over the last 12 months.

Where is G4S headquartered?

G4S is headquartered in London, United Kingdom.

Who are G4S's competitors?

Companies similar to G4S include GardaWorld, Securitas Canada, Securitas Security Services USA, Inc., Securitas Suomi and Central de Alarmas Adler.

g4s.com

G4S competitors and similar companies

117,180 employees on LinkedIn, down 3% in 12 months. 10 similar companies, with why each one matches.

About G4S

Our security services provide the protection you need. From risk assessment to implementation, we offer solutions that are a step ahead of threats.

Headquarters: London, United Kingdom
Employees on LinkedIn: 117,180
Headcount, last 12 months: -3%
Industry: Physical Security
Founded: 1901
Open jobs: 1,399

Data last updated October 3, 2026

How G4S sells and hires

Hiring

Moderate hiring pace
Leadership roles open in engineering, finance and sales
6+ open roles each in finance, customer relations, engineering, HR, legal, marketing and sales
2-5 open roles each in design and quality control

Companies similar to G4S

Found by Ocean's lookalike search, with what each company has in common with G4S.

GardaWorld
garda.com

KK Security provides manned guarding, canine security, facilities management, cash management, and global travel risk management services.

Kenya · 273 employees on LinkedIn
- Both in Physical Security
Securitas Canada
securitas.ca

Securitas' specialized security services cater to a wide range of customers in a variety of industries across Canada.

Canada · 1,627 employees on LinkedIn
- Both in Physical Security
- Both hiring a finance leader
Securitas Security Services USA, Inc.
securitasinc.com

Securitas is a leading provider of custom security & guarding solutions. Explore our protective services, including on-site guarding, mobile patrol, and more.

United States · 45,648 employees on LinkedIn
- Both in Physical Security
Securitas Suomi
securitas.fi

Securitas tarjoaa turvallisuuspalveluja ja teknisiä ratkaisuja suurille, keskisuurille ja pienille yrityksille, yhteisöille sekä kuluttajille. Etäpalveluratkaisut ovat asiakkaille tehokkaita ja tuovat lisäarvoa liiketoimintaan.

Finland · 533 employees on LinkedIn
- Both in Physical Security
Central de Alarmas Adler
securitas.com.mx

Seguridad Privada, Guardias de Seguridad, Servicios de Protección, seguridad electrónica, empresa de seguridad, seguridad para negocio, soluciones de seguridad.

Mexico · 635 employees on LinkedIn
- Both in Physical Security
ICTS Europe
ictseurope.com

ICTS Europe is a professional security services specialist offering a unique blend of 40 years' operational experience and expertise, innovation and technology which is combined to deliver highly successful mission-critical security.

France · 1,808 employees on LinkedIn
Securitas
securitas.com

Security solutions for airports, airlines, cargo, and aviation-related businesses through a mix of innovative tools, technology, and professional security staff.

Belgium · 238 employees on LinkedIn
- Both in Physical Security
Securitas Norge
securitas.no

Supplier of technical security products. The company supplies electronic article surveillance, customer counting systems, access control, alarm systems, closed circuit television, locks and other technical security products to corporate customers in Scandinavia.

Norway · 985 employees on LinkedIn
Secom Pte Ltd
secom.com.sg

SECOM Singapore is a leader in providing comprehensive range of security management services, including security alarm, access control system and surveillance system.

Singapore · 26 employees on LinkedIn
Securecorp
securecorp.com.au

Securecorp is a leading national provider of security, monitoring, electronics, and cleaning services delivered by professional and experienced staff.

Australia · 684 employees on LinkedIn

Technologies G4S uses

HTTP/2

Questions about G4S

How many employees does G4S have?: G4S has 117,180 employees on LinkedIn, down 3% over the last 12 months.
Where is G4S headquartered?: G4S is headquartered in London, United Kingdom.
Who are G4S's competitors?: Companies similar to G4S include GardaWorld, Securitas Canada, Securitas Security Services USA, Inc., Securitas Suomi and Central de Alarmas Adler.
What technologies does G4S use?: G4S's website uses HTTP/2.
When was G4S founded?: G4S was founded in 1901.