Add-on Acquisition • Safety/Security

Halma Acquires AAI

On March 19, 1999, Halma acquired safety/security company AAI

Acquisition Context

This is Halma’s 1st transaction in the Safety/Security sector.
This is Halma’s 1st transaction in the United States.
This is Halma’s 1st transaction in Michigan.

Investment Fate

AAI was divested to a consortium of buyers in 2025.

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M&A Deal Summary
Date	March 19, 1999
Target	AAI
Sector	Safety/Security
Buyer(s)	Halma
Deal Type	Add-on Acquisition

Target Company

AAI

Auburn Hills, Michigan, United States

AAI specializes in wireless smoke, heat, and carbon monoxide (CO) detectors for residential security systems, as well as commercial duct smoke and CO detectors. AAI is based in Auburn Hills, Michigan.

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Buyer Overview 1

Buyer

Halma

Amersham, United Kingdom

Category	Company
Founded	1894
Sector	Safety/Security
Employees	9,000
Revenue	2.2B GBP (2025)

DESCRIPTION

Halma is a group of technology companies that makes products for hazard detection and life protection. Halma was founded in 1894 and is based in Amersham, United Kingdom.

Deal Context for Buyer	#
Overall	5 of 57
Sector: Safety/Security	1 of 11
Type: Add-on Acquisition	5 of 52
State: Michigan	1 of 1
Country: United States	1 of 19
Year: 1999	3 of 6

PREVIOUS DEAL

DATE	TARGET	DEAL TYPE	VALUE
1999-01-29	Shuco Products United Kingdom Shuco Products Ltd. is a manufacturer of plastic headed nails and screws. These specialist fixings are used to attach UPVC cladding to buildings, in the manufacture of caravans and for fixing signs and number plates.	Buy	-

DATE

TARGET

DEAL TYPE

VALUE

1999-01-29

Shuco Products

United Kingdom

Shuco Products Ltd. is a manufacturer of plastic headed nails and screws. These specialist fixings are used to attach UPVC cladding to buildings, in the manufacture of caravans and for fixing signs and number plates.

Buy

FOLLOWING DEAL

DATE	TARGET	DEAL TYPE	VALUE
1999-07-14	E-Motive Display Pte Singapore E-Motive Display Pte Ltd. is a manufacturer of visual displays and communication products for the elevator industry.	Buy	-

DATE

TARGET

DEAL TYPE

VALUE

1999-07-14

E-Motive Display Pte

Singapore

E-Motive Display Pte Ltd. is a manufacturer of visual displays and communication products for the elevator industry.

Buy

Explore Related M&A Activity

Safety/Security M&A - Add-on Acquisition M&A Deals - Michigan M&A - United States M&A - 1999 M&A