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05/2018MajorityLBO

The Carlyle Group takes majority stake in HGH Systèmes Infrarouges

FRANCE Hardware & Electronics / Electronic Components / Sensors & Optics REV €10–30M

Context

The Carlyle Group has announced the acquisition of a majority stake in HGH Systèmes Infrarouges through its Carlyle Europe Technology Partners III fund, as part of a structured control transaction. This move is part of a broader strategy to strengthen the fund's position in high-value-added electro-optical and infrared technologies. Beyond the transaction's structuring, the partnership aims to accelerate HGH's international growth by leveraging Carlyle's investment capabilities and industrial network. The goal is to support the company's expansion in the defense, security, and critical infrastructure markets, as well as in applications related to emerging asymmetric threats. To achieve this, Carlyle plans to support HGH's technological and commercial development, with increased investments in R&D and a focus on expanding the company's infrared surveillance and image analysis solutions. The completion of the transaction remains subject to customary regulatory conditions and the obtaining of necessary approvals. This acquisition is part of a larger strategy to build specialized technology platforms focused on advanced surveillance systems and optronic solutions.

The acquisition of HGH Systèmes Infrarouges is part of the growth strategy of The Carlyle Group, which already has several external growth operations under its belt, notably Adb Safegate in 2017.

HGH Systèmes Infrarouges, which reported an EBITDA margin of [members only] in 2018, is valued in this transaction at an EV/EBITDA multiple of [members only].

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Target

HGH Systèmes Infrarouges is a French company founded in 1982, specializing in the design of electro-optical and infrared systems for the defense, security, and industrial markets. The company develops advanced surveillance and detection solutions based on high-precision infrared sensors, combined with proprietary software that enables real-time data analysis and processing. Over time, HGH has positioned itself as a leader in long-range surveillance technologies, particularly for threat detection, sensitive area protection, and critical infrastructure monitoring. Its systems are used in a variety of applications, including air defense, drone detection, maritime surveillance, border security, and strategic site protection. HGH boasts a strongly differentiated technology portfolio, built on a foundation of patents and significant in-house R&D capabilities. The company's business model is characterized by high technological intensity, combining infrared optics, embedded software, and artificial intelligence to enhance object and threat detection and classification capabilities.

Ent. Value

[members only]

Equity Value

[members only]

Multiples

EV / Revenue

[members only]

EV / EBITDA

[members only]

EV / EBIT

[members only]

Historical Financials (EUR)

Year
Rev
EBITDA
EBIT
2018
€10–30M
[members only]
[members only]
2017
€10–30M
[members only]
[members only]

Other operations with HGH Systèmes Infrarouges

Other operations with HGH Systèmes Infrarouges
DateAcquirerTargetCountrySector
06/2026THEON INTERNATIONALHGH SYSTÈMES INFRAROUGESFRANCESensors & Optics

Other operations with The Carlyle Group

Other operations with The Carlyle Group
DateAcquirerTargetCountrySector
06/2020THE CARLYLE GROUPENVEAFRANCEInstrumentation & Measurement
05/2019THE CARLYLE GROUPFORGITAL GROUPITALYAerostructures
03/2018THE CARLYLE GROUP / GICNOURYONNETHERLANDSSpecialty Chemicals
07/2017THE CARLYLE GROUPADB SAFEGATEBELGIUMAerospace, Naval & Defense
06/2017THE CARLYLE GROUPIRCAITALYIngredients
02/2017THE CARLYLE GROUPGOLDEN GOOSEITALYFashion & Apparel
12/2015THE CARLYLE GROUPPA CONSULTINGUNITED KINGDOMStrategy & Management
07/2015THE CARLYLE GROUPEVERNEXFRANCEMSP (Managed Services)
06/2014THE CARLYLE GROUPEUROPEAN CAMPING GROUP (ECG)FRANCEHotels & Accommodation
06/2014THE CARLYLE GROUPHOMAIR VACANCESFRANCEHotels & Accommodation

Similar deals in Hardware & Electronics

Similar deals in Hardware & Electronics
DateAcquirerTargetCountrySector
04/2019DISCOVERIE GROUPPOSITEKUNITED KINGDOMSensors & Optics
03/2019LBO FRANCEGROUPE PASSMANFRANCEIT Equipment
12/2017LBO FRANCECROUZETFRANCESensors & Optics
10/2016CHARTERHOUSESAGEMCOMFRANCEIoT & Connected Objects
10/2016ANDERA PARTNERSACB GROUPBELGIUMElectronic Components
06/2015ALLEGIONSIMONSVOSS TECHNOLOGIESGERMANYIoT & Connected Objects
05/2014ANDERA PARTNERSGROUPE PASSMANFRANCEIT Equipment
04/2014PAI PARTNERS / THE CARLYLE GROUPINNOVISTA (EX CST)FRANCESensors & Optics
01/2012ARKEA CAPITALACB GROUPBELGIUMElectronic Components
07/2010PUBLIC MARKETS (IPO)SMART TECHNOLOGIESCANADAIT Equipment

REFERENCES

Revenue range: REV €10–30M

Note: This page provides detailed data on a private equity M&A transaction. Detailed and exact financial metrics for the acquisition of HGH Systèmes Infrarouges by The Carlyle Group are reserved for mynth community members. Register for free to unlock full data.

Authors: This transaction was contributed by a verified mynth contributor and cross-checked against available transaction documents and official company communications.

Target: hgh systèmes infrarouges

FAQ

What transaction does this page cover?

This page covers the acquisition of a majority stake in HGH Systèmes Infrarouges, a French company specialised in Electronic Components, by The Carlyle Group in 2018, structured as a leveraged buyout (LBO). Ownership has since evolved, leading to a subsequent transaction with Theon International in June 2026 (see the dedicated deal page for details).

What was HGH Systèmes Infrarouges’s revenue at the time of the deal?

At the time of the transaction, HGH Systèmes Infrarouges’s annual revenue was estimated within the €10–30M range (FY 2018). Detailed financial figures are available to members.

What sources support the information on this transaction?

Transaction data and operational intelligence were compiled from independent financial press reporting by specialized M&A publications.

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