Chubb Fire & Security
A British multinational provider of fire protection, life-safety, security systems, and related services.
Last updated August 26, 2026
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Overview
Chubb Fire & Security is a British-origin multinational provider of property-protection and life-safety equipment and services. Its activities span fire detection, fire suppression, electronic security, access control, closed-circuit television, monitoring, alarm services, and related maintenance and support. The company serves commercial, industrial, public-sector, infrastructure, transport, and residential customers through a combination of engineered systems, installed equipment, monitoring, inspection, maintenance, and response services. The business traces its heritage to Charles and Jeremiah Chubb, who patented the Chubb detector lock in 1818. That lock established the company’s early reputation for high-security mechanical protection. Chubb later expanded from locks into safes, time locks, alarms, fire-protection equipment, security systems, and integrated services. Its first recorded safe was produced at the company’s Wolverhampton factory in 1835. During the nineteenth century, the company developed an international presence, including activity in the United States, where its time locks were installed in bank vaults. Historical customers included the Duke of Wellington and the Bank of England. Over the following century, Chubb developed from a specialist lock maker into a diversified security and fire-protection group. It expanded geographically and through acquisitions, adding companies involved in alarms, safes, fire equipment, and related protection technologies. By the 1940s it operated in 17 countries, and over the longer historical period it manufactured more than 2.5 million locks. The company’s portfolio subsequently moved beyond traditional mechanical security into electronic access control, CCTV, alarm systems, monitoring, and broader fire and life-safety solutions. Chubb’s corporate ownership changed several times. Racal Electronics acquired the business in 1984, after which Chubb was demerged in 1992. Williams Holdings acquired it in 1997 and demerged it again in 2000. In August 2000, Chubb sold its lock and safe-making division to Assa Abloy, leaving the business more focused on security systems and services. United Technologies Corporation acquired Chubb in 2003 for £622 million. Following UTC’s acquisition of Initial Fire and Security in 2007, the acquired activities were combined with Chubb within UTC Climate, Controls & Security. In 2020, UTC Climate, Controls & Security was separated from United Technologies and became part of Carrier Global. Carrier subsequently agreed to sell Chubb Fire & Security to APi Group Corporation. The transaction, announced on 3 January 2022, was valued at US$3.1 billion, and Chubb became an APi Group subsidiary in January 2022. The present business therefore combines a long-established Chubb brand heritage with APi Group ownership and a service-oriented portfolio covering fire protection, security, monitoring, and life-safety operations. In the United Kingdom, the company also obtained approved-supplier status for the rail sector through the RISQS verification system in late 2021.
History
Chubb Fire & Security’s history begins with the Chubb detector lock, patented by brothers Charles and Jeremiah Chubb in 1818. The invention reportedly emerged from a government competition seeking a lock that could not be opened except with its own key. This early emphasis on controlled access and resistance to unauthorized entry became the foundation of the Chubb name in security. In 1835, the company manufactured its first Chubb safe at its Wolverhampton factory. It later developed time locks for bank vaults and expanded into the United States during the second half of the nineteenth century. The company acquired prominent institutional and private customers, including the Bank of England and the Duke of Wellington. Over the long term, Chubb manufactured more than 2.5 million locks and broadened its geographical reach; by the 1940s, its operations extended across 17 countries. During the nineteenth and twentieth centuries, Chubb evolved from a mechanical-lock and safe manufacturer into a wider protection group. It added alarms, fire equipment, security systems, and associated services, both organically and through acquisitions. Acquisitions included Chatwood-Milner in 1958; Burgot Alarms and Rely-a-Bell in 1962; Read and Campbell in 1964; Josiah Parkes and Sons in 1965; and The Pyrene Company in 1967. These transactions helped extend the business into alarms and fire protection as well as traditional physical security. The company underwent a series of ownership and structural changes in the late twentieth century. Racal Electronics acquired Chubb in August 1984, and Chubb was later demerged from Racal in September 1992. Williams Holdings acquired the company in February 1997 while developing a security-oriented group, and Chubb was demerged again in July 2000. In August of that year, the lock and safe-making division, Chubb Locks, was sold to Assa Abloy. This divestment marked a clearer shift in emphasis toward electronic security, including access control and CCTV systems. Chubb explored a possible combination with Securitas AB in 2002. The parties held intensive discussions for around 18 months, but the negotiations were abandoned because the proposed transaction was not considered financially attractive to shareholders. In April 2003, United Technologies Corporation acquired Chubb for £622 million. UTC subsequently bought Initial Fire and Security, the security arm of Rentokil Initial, in March 2007 and combined its business and assets with Chubb within UTC Climate, Controls & Security. The business also changed through regional divestments. In Australia, Chubb Security had acquired MSS Security in 1996, but that business was later sold to SIS Limited in 2008. In New Zealand, Chubb sold several departments to ISS A/S in 2009. The move followed the 2006 death of Liam Ashley during prison transport in a Chubb vehicle; a New Zealand Department of Corrections Inspectorate report found that the great majority of the contributing factors were outside Chubb’s control. In December 2013, Chubb sold its Australian cash-in-transit operation to Prosegur. In 2020, UTC Climate, Controls & Security was separated from United Technologies and became part of the newly independent Carrier Global. Chubb continued under Carrier until Carrier agreed to sell the business to APi Group Corporation. The sale, announced on 3 January 2022, was valued at US$3.1 billion, and Chubb became an APi Group subsidiary in January 2022. In late 2021, shortly before the ownership transition, the company obtained approved-supplier status for the British rail sector through the RISQS verification system. Its modern identity combines the historic Chubb physical-security heritage with a broader international portfolio of fire protection, electronic security, monitoring, life-safety equipment, inspection, maintenance, and related services.
- 2022
Acquired by APi Group
[1]Carrier announced the sale of Chubb to APi Group for US$3.1 billion on 3 January 2022; the transaction closed with Chubb becoming an APi Group subsidiary in January.
- 2021
Approved supplier for British rail sector
[1]Chubb obtained RISQS-approved supplier status during late 2021.
- 2020
Became part of Carrier Global
[1]Chubb was separated with UTC Climate, Controls & Security into Carrier Global.
- 2007
Initial Fire and Security combined with Chubb
[1]United Technologies acquired Initial Fire and Security and combined its business and assets with Chubb within UTC Climate, Controls & Security.
- 2003
Acquired by United Technologies
[1]United Technologies acquired Chubb for £622 million.
- 2000
Chubb Locks sold to Assa Abloy
[1]Chubb sold its lock and safe-making unit and focused more strongly on electronic security systems.
- 1997
Acquired by Williams Holdings
[1]Williams Holdings acquired Chubb in February 1997 as it developed a security-focused corporate group.
- 1992
Demerger from Racal
[1]Chubb was demerged from Racal Electronics in September 1992.
- 1984
Acquired by Racal Electronics
[1]Racal Electronics acquired Chubb in August 1984.
- 1967
Acquisition of The Pyrene Company
[1]The Pyrene Company became part of Chubb, expanding the group’s fire-protection capabilities.
Products and positioning
A full-service fire, security, and life-safety provider combining engineered systems, monitoring, maintenance, and protection services for commercial, industrial, public-sector, infrastructure, and residential customers.
Fire protection
Fire detection and alarm systems
Chubb’s fire-protection portfolio includes systems intended to detect smoke, heat, or fire conditions and provide warning through alarms and related notification equipment. These systems are delivered as part of broader fire-safety programs that can include design, installation, inspection, maintenance, and monitoring.
Fire protection
Fire suppression and extinguishing systems
The company provides fire-suppression and extinguishing solutions for protected premises and assets. The offering sits within Chubb’s wider property-protection and life-safety business and may be combined with detection, alarm, inspection, and ongoing service activities.
Security systems
Electronic security systems
Electronic security activities include access-control systems, CCTV, intrusion alarms, and related technologies. Chubb’s movement into these systems became more pronounced after the sale of its lock and safe-making division in 2000.
Monitoring services
Security monitoring
Chubb provides monitoring-related security services supporting alarms and electronic protection systems. Monitoring can form part of an integrated service arrangement alongside installation, maintenance, and response capabilities.
Fire and security services
Inspection and maintenance services
Inspection, testing, maintenance, and support services help customers keep fire and security equipment operational and aligned with relevant operational requirements. These services extend the relationship beyond initial system installation.
Brand
Chubb Sicli
Chubb Sicli is one of the brands associated with Chubb Fire & Security. The name is linked to fire-protection and emergency-safety activities, particularly in markets where the Sicli identity has historical recognition.
Brand
Vipond Fire Protection
Vipond Fire Protection is an associated Chubb Fire & Security brand focused on fire-protection products and services.
Brand
SMC and Counterforce by SMC
SMC and Counterforce by SMC are associated security-monitoring brands within the broader Chubb Fire & Security brand portfolio.
Brand decisions
2022
Sale to APi GroupM&ABackground
After Chubb became part of Carrier Global through the 2020 separation of UTC Climate, Controls & Security, Carrier reviewed the ownership of the business.
Action taken
Carrier sold Chubb Fire & Security to APi Group Corporation in a transaction announced on 3 January 2022.
Aftermath
Chubb became a subsidiary of APi Group in January 2022 and continued as a fire, security, and life-safety business within APi Group’s portfolio.
Transaction value. US$3.1 billion (Announced 3 January 2022; completed January 2022)
2007
Integration of Initial Fire and SecurityM&ABackground
United Technologies acquired Initial Fire and Security, the security arm of Rentokil Initial.
Action taken
UTC combined the acquired business and assets with Chubb within UTC Climate, Controls & Security.
Aftermath
The integration expanded the operating base of UTC’s fire and security activities.
2002
Termination of Securitas acquisition discussionsM&ABackground
Chubb and Securitas AB held negotiations over a possible combination for approximately 18 months.
Action taken
The parties ended the discussions after concluding that a transaction would not be financially attractive to shareholders.
Aftermath
Chubb remained independent until its acquisition by United Technologies in 2003.
2000
Exit from lock and safe manufacturingStrategyBackground
Chubb was restructuring its historic physical-security portfolio after a second corporate demerger.
Action taken
The company sold Chubb Locks, its lock and safe-making division, to Assa Abloy and concentrated more heavily on access control, CCTV, and other security systems.
Aftermath
The transaction marked a strategic shift from traditional mechanical security products toward electronic security and services.
Recent events
- Unconfirmed
APi Group agrees to acquire Chubb Fire & Security[2]
APi Group announced a definitive agreement to acquire Chubb Fire & Security from Carrier Global Corporation for an enterprise value of US$3.1 billion. The transaction was expected to close around year-end 2021, subject to consultation and regulatory approvals.
Sources2 sources
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