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11/2004100%LBO

Idex acquired by IK Partners

FRANCE Utilities (Regulated Infrastructure) / District Heating EV €100–350M

Context

Idex S.A. has been acquired by Industri Kapital (IK Partners) as part of the latter's 2000 Fund investment strategy. The transaction was executed through a purchase agreement that transferred the equity of Idex from the founding family and existing financial investors to the private equity vehicle. This acquisition follows Industri Kapital's prior investments in French technical service firms and marks its first full buy‑out of a family‑owned company in the country. The rationale for the purchase centers on Industri Kapital's intent to deepen its exposure to the energy and environment services sector, leveraging Idex's established contract base with municipalities and industrial clients. By integrating Idex into its portfolio, the buyer aims to apply its expertise in long‑term contract management, operational efficiency, and strategic acquisitions to drive margin improvement. The acquisition also provides a platform for geographic expansion within the French market and potential cross‑selling of services among existing portfolio companies. Operationally, the new ownership is expected to implement cost‑reduction programs, introduce standardized performance metrics, and pursue selective bolt‑on acquisitions to broaden service offerings. These measures should enhance Idex's capacity to manage larger heating and cooling networks while maintaining service quality. The anticipated outcome includes increased cash flow stability, higher EBITDA margins, and strengthened market positioning in the French energy services landscape.

Idex, which reported an EBITDA margin of [members only] in 2003, is valued in this transaction at an EV/EBITDA multiple of 5x–12x.

Target

Idex is a leading integrated energy infrastructure and environmental services operator, positioned as a major player in the French district heating market. The group's activities focus on the design, operation, and optimization of heating and cooling networks, energy recovery from waste, and a comprehensive portfolio of energy services contracts. With a presence across the entire country, the company manages critical infrastructure (including prominent networks in business districts) and is at the forefront of the energy transition, developing local and renewable energy solutions. Idex's economic model is built on the recurring nature of its infrastructure activities, driven by favorable sector dynamics and government incentives for territorial greening. On an international scale, the group is implementing a geographic expansion strategy aimed at establishing a premier European network, with targeted ambitions in key markets such as Germany, Belgium, and the United Kingdom. Its integrated organization enables Idex to support local authorities and industries in reducing their carbon footprint and modernizing their thermal installations over the long term.

Ent. Value

€100–350M

Equity Value

[members only]

Multiples

EV / Revenue

below 1.5x

EV / EBITDA

5x–12x

EV / EBIT

[members only]

Historical Financials (EUR)

Year
Rev
EBITDA
EBIT
2003
€250–500M
€25–50M
[members only]
2002
€250–500M
€25–50M
[members only]

Other operations with Idex

Other operations with Idex
DateAcquirerTargetCountrySector
08/2026J.P. MORGAN ASSET MANAGEMENTIDEXFRANCEDistrict Heating
05/2018ANTIN INFRASTRUCTUREIDEXFRANCEDistrict Heating
09/2011CUBE INFRASTRUCTUREIDEXFRANCEDistrict Heating

Other operations with IK Partners

Other operations with IK Partners
DateAcquirerTargetCountrySector
02/2018IK PARTNERSQUESTEL GROUPFRANCEIndustry-Specific Software
10/2017IK PARTNERSLINXIS GROUPFRANCEFood & Beverage Lines
06/2016IK PARTNERS / FIVE ARROWSIADFRANCEE-commerce & Marketplaces
05/2016IK PARTNERSMARLE GROUPFRANCEImplants & Prosthetics
12/2015IK PARTNERSSALAD SIGNATURENETHERLANDSFood Products
07/2015IK PARTNERSAUXIGAFRANCEFactoring
06/2015IK PARTNERSCERELIAFRANCEBakery / Pastry
07/2011IK PARTNERSTRIGOFRANCETIC (Testing, Inspection, Certification)
07/2011IK PARTNERSSOLINA GROUPFRANCEIngredients
11/2010IK PARTNERSOPTIMIZELY (EX EPISERVER)UNITED STATESMarTech

Similar deals in Utilities (Regulated Infrastructure)

Similar deals in Utilities (Regulated Infrastructure)
DateAcquirerTargetCountrySector
03/2020KKRVIRIDORUNITED KINGDOMWaste-to-Energy
07/2019ANTIN INFRASTRUCTUREVICINITY ENERGYUNITED STATESDistrict Heating
04/2019SECHE ENVIRONNEMENTMECOMERITALYHazardous Waste
01/2019BRIDGEPOINTMIYA WATERSPAINWater
06/2018ICON INFRASTRUCTUREECOERIDANIAITALYHazardous Waste
05/2018ANTIN INFRASTRUCTUREIDEXFRANCEDistrict Heating
12/2016ICON INFRASTRUCTUREBRISTOL WATERUNITED KINGDOMWater
06/2014XENON PRIVATE EQUITYECOERIDANIAITALYHazardous Waste
06/2013TRITON PARTNERSBEFESALUXEMBOURGHazardous Waste
09/2011CUBE INFRASTRUCTUREIDEXFRANCEDistrict Heating

REFERENCES

Valuation range: EV €100–350M

Revenue range: €250–500M

EBITDA range: €25–50M

EV/Revenue range: below 1.5x

EV/EBITDA range: 5x - 12x

Note: This page provides detailed data on a private equity M&A transaction. Detailed and exact financial metrics for the acquisition of Idex by IK Partners 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: idex

FAQ

What transaction does this page cover?

This page covers IK Partners’s acquisition of 100% of Idex, a French company specialised in District Heating, in 2004, structured as a leveraged buyout (LBO). Ownership has since evolved, leading to a subsequent transaction with Cube Infrastructure in September 2011 (see the dedicated deal page for details).

How was the acquisition of Idex by IK Partners valued, and what multiples were paid?

mynth displays the transaction’s enterprise value within the €100–350M band, its EV/EBITDA multiple within the 5x - 12x range, and its EV/revenue multiple within the below 1.5x range. Exact figures are available to members.

What were Idex’s revenue and EBITDA at the time of the deal?

At the time of the transaction, Idex generated annual revenue estimated in the €250–500M range and EBITDA in the €25–50M bracket (FY 2003). 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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