Investment Summary

The Blackstone Group Exit Desotec

On November 21, 2025, private equity firms EQT and The Blackstone Group invested in environmental company Desotec from The Blackstone Group

Investment Highlights
  • This is EQT’s 9th and The Blackstone Group’s 6th transaction in the Environmental sector.
  • This is EQT’s 5th and The Blackstone Group’s 3rd transaction in Belgium.

Investment Summary

Date 2025-11-21
Target Desotec
Sector Environmental
Investor(s) EQT
The Blackstone Group
Sellers(s) The Blackstone Group
Deal Type Secondary Buyout

Target

Desotec

Roeselare, Belgium
Desotec provides circular, mobile filtration solutions using activated carbon to help companies purify water, air, and soil. Their “Filtration-as-a-Service” model rents mobile filters, collects saturated filters for off-site reactivation, and then re-uses the carbon, reducing waste while helping clients meet environmental standards. Desotec was founded in 1990 and is based in Roeselare, Belgium.

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Investor(S) 2

Investor

EQT

Stockholm, Sweden

Investor Investor Investor Investor Investor


Category Private Equity Firm
Founded 1994
PE ASSETS 242.0B EUR
Size Mega
Type Sector Agnostic
DESCRIPTION

EQT is a global private equity group that purses a variety of investment strategies around the world. EQT is divided into several investment disciplines, including private capital, real assets, credit, and venture. The Firm's private capital group targets large, market-leading enterprises (investment size of €125 to €1.5 billion) across Europe and the US, as well as mid-market, growth companies (investment size of €40 to €125 million) across the US, Europe, China, and Southeast Asia. The Firm's real assets group seeks to identify control or co-control equity investments (investment size of €500 to €1 billion) in medium-sized infrastructure companies that provide an essential service to society, are recession resilient, and have secure cash flows. EQT's credit group provides flexible, long-term debt capital solutions to medium-sized European businesses, across a wide range of sectors. EQT was established in 1994 and is headquartered in Stockholm, Sweden.


DEAL STATS #
Overall 318 of 318
Sector: Environmental M&A 9 of 9
Type: Secondary Buyout M&A Deals 101 of 101
Country: Belgium M&A 5 of 5
Year: 2025 M&A 11 of 11
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-10-20 Syngular Technology

Hong Kong, China

Syngular Technology is an innovative MedTech startup committed to advancing surgical precision and patient safety through cutting-edge AI and Extended Reality (XR) solutions. The company's proprietary platform enables automated, patient-specific medical image modeling and XR-based surgical navigation. By leveraging the convergence of advanced AI medical image processing, spatial computing, and advanced game technology, it delivers immersive, AAA-grade experiences that enhance the accuracy, speed, and safety of surgical procedures. Syngular Technology is based in Hong Kong.

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Investor

The Blackstone Group

New York, New York, United States

Investor Investor Investor Investor Investor


Category Private Equity Firm
Founded 1987
PE ASSETS 394.0B USD
Size Mega
Type Sector Agnostic
DESCRIPTION

The Blackstone Group is a global alternative investment management firm. The Firm's investment activities span real estate, secondary investments, hedge funds, credit, infrastructure, and private equity. Blackstone's private equity group targets opportunities globally including buyout acquisitions of established companies, development projects, growth equity financings, and industry consolidations. Sectors of interest include automotive, healthcare, chemicals, industrial, commercial property, lodging, communications, media/publishing, consumer & retail, packaging, consumer products, pharmaceuticals, energy, technology, entertainment, telecommunications, financial services, theme parks, food & beverage, and transportation. Blackstone's private equity real estate group looks for opportunities across North/South America, Asia, Australia/New Zealand, and Europe. The real estate group will consider both equity and debt investments. Areas of interest include healthcare, hotel, industrial, office, residential, and retail. The Blackstone Group was formed in 1987 and is based in New York, New York.


DEAL STATS #
Overall 362 of 362
Sector: Environmental M&A 6 of 6
Type: Secondary Buyout M&A Deals 90 of 90
Country: Belgium M&A 3 of 3
Year: 2025 M&A 16 of 16
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-11-20 Nomos AI

New York, New York, United States

Nomos AI is a legal & compliance AI company that enables enterprises to move faster and more comprehensively in their legal and compliance processes with reliability and trust. Its platform combines frontier AI, proprietary legal reasoning systems, and embedded legal and regulatory expertise. Nomos AI is based in New York, New York.

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Seller(S) 1

SELLER

The Blackstone Group

New York, New York, United States

Investor Investor Investor Investor Investor


Category Private Equity Firm
Founded 1987
PE ASSETS 394.0B USD
Size Mega
Type Sector Agnostic
DESCRIPTION

The Blackstone Group is a global alternative investment management firm. The Firm's investment activities span real estate, secondary investments, hedge funds, credit, infrastructure, and private equity. Blackstone's private equity group targets opportunities globally including buyout acquisitions of established companies, development projects, growth equity financings, and industry consolidations. Sectors of interest include automotive, healthcare, chemicals, industrial, commercial property, lodging, communications, media/publishing, consumer & retail, packaging, consumer products, pharmaceuticals, energy, technology, entertainment, telecommunications, financial services, theme parks, food & beverage, and transportation. Blackstone's private equity real estate group looks for opportunities across North/South America, Asia, Australia/New Zealand, and Europe. The real estate group will consider both equity and debt investments. Areas of interest include healthcare, hotel, industrial, office, residential, and retail. The Blackstone Group was formed in 1987 and is based in New York, New York.


DEAL STATS #
Overall 193 of 193
Sector: Environmental M&A 3 of 3
Type: Secondary Buyout M&A Deals 28 of 28
Country: Belgium M&A 1 of 1
Year: 2025 M&A 11 of 11
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-11-20 Nomos AI

New York, New York, United States

Nomos AI is a legal & compliance AI company that enables enterprises to move faster and more comprehensively in their legal and compliance processes with reliability and trust. Its platform combines frontier AI, proprietary legal reasoning systems, and embedded legal and regulatory expertise. Nomos AI is based in New York, New York.

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