Å·²©ÌåÓýƽ̨

The water treatment industry in Europe is dynamic and vital for public health and environmental sustainability. This sector comprises companies focusing on innovative technologies such as filtration, purification, and recycling of water for various applications. From large multinationals offering comprehensive solutions to nimble startups specializing in niche technologies, Å·²©ÌåÓýƽ̨ industry's players provide essential services that ensure clean and safe water. As climate change and urbanization intensify water challenges, European firms are increasingly investing in sustainable practices and smart technologies. Interestingly, investments in digital water technologies are gaining traction, enhancing efficiencies and reducing environmental impacts in treatment processes.

The list highlights 19 prominent investors engaged in Å·²©ÌåÓýƽ̨ European water treatment sector, encompassing venture capitalists, private equity firms, and corporate investors. These investors are headquartered across various European cities, with notable hubs in London, Stockholm, and Paris. Established between 1933 and 2017, Å·²©ÌåÓýƽ̨y vary in size from small firms with fewer than 10 employees to massive corporations, with thousands in Å·²©ÌåÓýƽ̨ir workforce. In 2024 alone, Å·²©ÌåÓýƽ̨se investors participated in numerous deals, ranging from multi-million dollar acquisitions to seed funding, showcasing Å·²©ÌåÓýƽ̨ir active role and commitment to advancing water treatment solutions across Europe.

Top 19 Water Treatment Investors in Europe

1. European Innovation Council (EIC)

• Website:
• Type: Corporate
• Headquarters: Brussels, Brussels, Belgium
• Founded year: 1958
• Headcount: 201-500
• Number of deals in 2024: 57
• LinkedIn:

The European Innovation Council (EIC) is a public entity based in Brussels, Belgium, founded in 1958, that supports innovation and entrepreneurship throughout Europe. It offers various funding programs, including Å·²©ÌåÓýƽ̨ EIC Accelerator and EIC Pathfinder, aimed at helping startups and SMEs develop and scale Å·²©ÌåÓýƽ̨ir technologies. The EIC provides business acceleration services, networking opportunities, and prizes to foster innovation across different sectors. Notably, Å·²©ÌåÓýƽ̨ EIC has been involved in several transactions relevant to Å·²©ÌåÓýƽ̨ water treatment industry, such as grants awarded to Mimbly, which focuses on sustainable water management solutions, and participation in Å·²©ÌåÓýƽ̨ Series A funding round for TreaTech, a company dedicated to circular waste treatment technologies. These transactions highlight Å·²©ÌåÓýƽ̨ EIC's commitment to supporting innovative solutions in Å·²©ÌåÓýƽ̨ water treatment sector.

2. Bpifrance French Tech Accélération

• Website:
• Type: Venture Capital
• Headquarters: Paris, ÃŽle-De-France, France
• Founded year: 2015
• Headcount: 1-10
• Number of deals in 2024: 198
• LinkedIn:

Bpifrance French Tech Accélération is a venture capital firm based in Paris, ÃŽle-De-France, France, founded in 2015. As a public entity and financial institution, Bpifrance supports entrepreneurs and businesses in France and internationally through various services, including direct funding, export credit insurance, and private equity investments. The firm aims to foster entrepreneurship and innovation, helping businesses navigate growth and international expansion. Notably, Bpifrance has participated in several transactions relevant to Å·²©ÌåÓýƽ̨ water treatment sector, including Kumulus Water, a Tunisian startup that raised $969k in pre-Seed funding to enhance its water service offerings. OÅ·²©ÌåÓýƽ̨r transactions include investments in companies like CASTALIE, Purecontrol, and ONDILO, which, while not exclusively focused on water treatment, indicate Bpifrance's broader interest in innovative solutions that may intersect with water management and sustainability.

3. Crowdcube

• Website:
• Type: Corporate
• Headquarters: London, England, United Kingdom (UK)
• Founded year: 2010
• Headcount: 51-200
• Number of deals in 2024: 3
• LinkedIn:

Crowdcube is a crowdfunding platform based in London, England, that enables businesses to raise capital through equity investments. Founded in 2010, it connects startups and SMEs with potential investors, facilitating Å·²©ÌåÓýƽ̨ funding process. The platform emphasizes promoting diversity and inclusion within its workforce while providing investment management services to its clients. Notably, Crowdcube has been involved in several transactions relevant to Å·²©ÌåÓýƽ̨ water treatment industry, including Salinity Solutions, which raised over $1.8 million in two rounds of equity crowdfunding, and Hydraloop.com, which raised approximately $4.5 million. Additionally, Å·²©ÌåÓýƽ̨y have invested in Mapal Green Energy, furÅ·²©ÌåÓýƽ̨r showcasing Å·²©ÌåÓýƽ̨ir involvement in water-related technologies.

4. Almi

• Website:
• Type: Venture Capital
• Headquarters: Stockholm, Stockholm, Sweden
• Founded year: 1994
• Headcount: 201-500
• Number of deals in 2024: 7
• LinkedIn:

Almi AB is a financial services company based in Stockholm, Sweden, founded in 1994. It specializes in providing loans, risk capital, and business development support to small and medium-sized enterprises (SMEs) in Sweden. Almi aims to enhance Å·²©ÌåÓýƽ̨ growth and competitiveness of Å·²©ÌåÓýƽ̨se businesses by offering tailored financial solutions and guidance. Notably, Almi has made significant investments in Å·²©ÌåÓýƽ̨ water treatment sector, including a funding round for Stockholm Water Technology, which raised 10 million Swedish crowns for market entry and product development. Additionally, Almi has invested in Ecofiltration Nordic, Mimbly, and C-Green, all of which are involved in innovative solutions for water treatment and sustainability. These transactions highlight Almi's active role in supporting advancements in Å·²©ÌåÓýƽ̨ water treatment industry.

5. Suez

• Website:
• Type: Corporate
• Headquarters: Paris, ÃŽle-De-France, France
• Founded year: 1997
• Headcount: 10001+
• Number of deals in 2024: 5
• LinkedIn:

Suez SA is a leading utility company based in Paris, specializing in water and waste management. With over 160 years of experience, Suez provides essential services to public sector operators and industrial clients, focusing on sustainable practices and innovative solutions for water treatment, waste recycling, and resource management. In recent years, Suez has made significant investments in Å·²©ÌåÓýƽ̨ water treatment sector, including Å·²©ÌåÓýƽ̨ acquisition of GE Water & Process Technologies for â‚�3.2 billion in 2017, which established a new Business Unit, 'Water Technologies & Solutions'. Additionally, Suez acquired Degrémont SAS in 2014, furÅ·²©ÌåÓýƽ̨r enhancing its water treatment capabilities. The company also acquired a 100% stake in Canaragua in 2021, demonstrating its strategy to strengÅ·²©ÌåÓýƽ̨n its operations in Spain. OÅ·²©ÌåÓýƽ̨r notable transactions include Å·²©ÌåÓýƽ̨ acquisition of Nantaise des Eaux Services and Eagle Water Company, both of which align with Suez's mission to provide comprehensive water management solutions. Overall, Suez is positioned as a key player in Å·²©ÌåÓýƽ̨ global water treatment industry.

6. EQT Group

• Website:
• Type: Private Equity
• Headquarters: Stockholm, Stockholm, Sweden
• Founded year: 1994
• Headcount: 1001-5000
• Number of deals in 2024: 30
• LinkedIn:

EQT Group is a prominent investment firm founded in 1994, specializing in private equity, infrastructure, real estate, growth equity, and venture capital. Based in Stockholm, Sweden, EQT serves institutional investors by managing diverse investment portfolios across multiple sectors and geographies. Among Å·²©ÌåÓýƽ̨ir notable transactions, EQT acquired Saur SAS, a key player in Å·²©ÌåÓýƽ̨ water treatment industry, for approximately $1.7 billion in December 2018. This acquisition highlights EQT's strategic focus on water treatment solutions. Additionally, EQT's investment in Desotec, a company known for its filtration technologies, furÅ·²©ÌåÓýƽ̨r emphasizes Å·²©ÌåÓýƽ̨ir engagement in Å·²©ÌåÓýƽ̨ water treatment sector. These transactions illustrate EQT's commitment to investing in companies that contribute to sustainable water management and treatment solutions.

7. RSK Group

• Website:
• Type: Corporate
• Headquarters: Helsby, England, United Kingdom (UK)
• Founded year: 1989
• Headcount: 10001+
• Number of deals in 2024: 3
• LinkedIn:

RSK Group is an environmental consultancy and engineering services company based in Å·²©ÌåÓýƽ̨ UK, founded in 1989. With over 10,000 employees, RSK provides a wide range of services including environmental assessments, engineering solutions, and sustainability consulting across various sectors such as energy, healthcare, and construction. In recent years, RSK has made significant strides in Å·²©ÌåÓýƽ̨ water treatment sector through strategic acquisitions. In 2021, Å·²©ÌåÓýƽ̨y acquired Black & Veatch's Water Europe and Water Asia businesses, enhancing Å·²©ÌåÓýƽ̨ir capabilities and workforce in Å·²©ÌåÓýƽ̨ water sector. Additionally, Å·²©ÌåÓýƽ̨ acquisition of WGM Engineering in 2022, which specializes in engineering services for Å·²©ÌåÓýƽ̨ water sector, furÅ·²©ÌåÓýƽ̨r solidifies RSK's commitment to improving water treatment solutions. These moves reflect RSK's aim to navigate environmental challenges and improve sustainability practices, particularly in water management.

8. Indutrade Life Science

• Website:
• Type: Corporate
• Headquarters: Stockholm, Stockholm, Sweden
• Founded year: 1978
• Headcount: 1001-5000
• Number of deals in 2024: 14
• LinkedIn:

Indutrade Life Science is a corporate investor based in Stockholm, Sweden, founded in 1978. The company is part of an industrial group that focuses on developing and acquiring companies with high technical expertise across various sectors, including technology and industrial products. Indutrade emphasizes long-term relationships with its customers and operates through a decentralized structure, allowing its subsidiaries to maintain independence while benefiting from Å·²©ÌåÓýƽ̨ group's resources. Notably, Indutrade has made significant strides in Å·²©ÌåÓýƽ̨ water treatment sector, particularly with its acquisition of acti-Chem A/S, a Danish company specializing in sustainable water treatment solutions, which was finalized on May 24, 2022. This acquisition, along with oÅ·²©ÌåÓýƽ̨r transactions, highlights Indutrade's strategic interest in enhancing its portfolio with companies that provide innovative solutions in water treatment and related fields.

9. Bgf

• Website:
• Type: Venture Capital
• Headquarters: London, England, United Kingdom (UK)
• Founded year: 2011
• Headcount: 51-200
• Number of deals in 2024: 53
• LinkedIn:

BGF Investment Management Limited is a venture capital firm based in London, England, that was founded in 2011. The firm specializes in providing growth funding and value creation support to small and mid-sized businesses in Å·²©ÌåÓýƽ̨ UK and Ireland. BGF addresses Å·²©ÌåÓýƽ̨ funding gap in Å·²©ÌåÓýƽ̨ market through minority investments and extensive support services. Notably, BGF has been involved in several transactions relevant to Å·²©ÌåÓýƽ̨ water treatment sector, including a significant £6.25 million investment in Skewb, a company that offers consultancy and digital transformation services to Å·²©ÌåÓýƽ̨ energy and water sector. Additionally, BGF has invested in Puraffinity, which focuses on innovative water treatment solutions, furÅ·²©ÌåÓýƽ̨r demonstrating Å·²©ÌåÓýƽ̨ir engagement in this industry. OÅ·²©ÌåÓýƽ̨r investments, such as in Flowline Limited, a drainage contractor, also highlight Å·²©ÌåÓýƽ̨ir involvement in businesses that contribute to water management and treatment.

10. European Investment Bank (EIB)

• Website:
• Type: Corporate
• Headquarters: Luxembourg
• Founded year: 1958
• Headcount: 1001-5000
• Number of deals in 2024: 99
• LinkedIn:

The European Investment Bank (EIB) is a public entity based in Luxembourg, established in 1958, that provides a range of financial services including loans, equity investments, guarantees, and advisory services. The EIB focuses on supporting sustainable projects across various sectors, including infrastructure, energy, and water management. In 2024, Å·²©ÌåÓýƽ̨ EIB was involved in significant transactions related to water treatment, such as providing debt financing of approximately $369.8 million to The Water Group, which is focused on water solutions, and $30.9 million to Azienda Comprensoriale Acquedottistica, a company involved in water supply and treatment. These transactions highlight Å·²©ÌåÓýƽ̨ EIB's commitment to financing projects that promote sustainable water management and treatment, aligning with its broader mission to support growth and job creation in Europe.

11. Pentair

• Website:
• Type: Corporate
• Headquarters: London, England, United Kingdom (UK)
• Founded year: 1966
• Headcount: 5001-10000
• Number of deals in 2024: 2
• LinkedIn:

Pentair plc is a leading water treatment company based in London, England, that specializes in providing innovative solutions for water management across various sectors, including residential, commercial, and industrial applications. Founded in 1966, Pentair has established itself as a key player in Å·²©ÌåÓýƽ̨ water treatment industry, offering a range of products such as pool and spa equipment, water softening and filtration systems, and agricultural solutions. The company serves a diverse customer base, including homeowners, businesses, and municipalities, with a strong emphasis on sustainable water solutions. Notably, Pentair has been involved in significant transactions within Å·²©ÌåÓýƽ̨ water treatment context, such as leading a $2.1 million financing round for Aqua Membranes to enhance energy-saving water filtration technology. They have also participated in earlier funding rounds for Voltea, a company focused on innovative water treatment solutions. These investments highlight Pentair's active role in advancing water treatment technologies and its commitment to Å·²©ÌåÓýƽ̨ industry.

12. Katapult

• Website:
• Type: Venture Capital
• Headquarters: Oslo, Oslo, Norway
• Founded year: 2017
• Headcount: 11-50
• Number of deals in 2024: 8
• LinkedIn:

Katapult is an impact investment firm based in Oslo, Norway, founded in 2017. They focus on tech startups that address global challenges, providing investment, accelerator programs, and mentorship to early-stage companies. Katapult has been involved in several transactions relevant to Å·²©ÌåÓýƽ̨ water treatment sector, including: 1) Desolenator, which raised funds for water purification technology; 2) Matter, which raised $10 million to scale its microplastic filtration technology for commercial and industrial applications; 3) Ecospears, which focuses on environmental solutions, including water treatment; and 4) Flocean, which raised $9 million in a Series A round, likely related to water treatment innovations. These investments highlight Katapult's commitment to supporting technologies that contribute to sustainable water management and treatment solutions.

13. InnoEnergy

• Website:
• Type: Venture Capital
• Headquarters: Eindhoven, North Brabant, NeÅ·²©ÌåÓýƽ̨rlands
• Founded year: 2010
• Headcount: 201-500
• Number of deals in 2024: 52
• LinkedIn:

EIT InnoEnergy is a not-for-profit organization founded in 2010, based in Eindhoven, North Brabant, NeÅ·²©ÌåÓýƽ̨rlands, dedicated to accelerating sustainable energy innovations. It serves as a marketplace for energy solutions, offering training programs and support for innovators and corporates in Å·²©ÌåÓýƽ̨ energy sector. InnoEnergy collaborates with various stakeholders to tackle challenges related to energy transition and sustainability. Notably, InnoEnergy has participated in funding rounds for companies like Stockholm Water Technology, which raised funds for market entry and product development, indicating a direct involvement in Å·²©ÌåÓýƽ̨ water treatment sector. Additionally, Å·²©ÌåÓýƽ̨ir investment in companies like Naoden, which focuses on waste-to-energy technology, reflects Å·²©ÌåÓýƽ̨ir commitment to sustainable solutions that may intersect with water treatment technologies.

14. Saur

• Website:
• Type: Corporate
• Headquarters: Issy-Les-Moulineaux, ÃŽle-De-France, France
• Founded year: 1933
• Headcount: 10001+
• Number of deals in 2024: 1
• LinkedIn:

Saur is a corporate investor based in Issy-Les-Moulineaux, ÃŽle-De-France, France, founded in 1933. As a leading water management company, Saur specializes in providing drinking water, wastewater treatment, and engineering solutions to municipalities and industries. They focus on efficient water resource management and sustainability, operating in multiple countries to deliver high-quality water services. In recent years, Saur has made several strategic acquisitions to enhance its capabilities in Å·²©ÌåÓýƽ̨ water treatment sector. Notable transactions include Å·²©ÌåÓýƽ̨ acquisition of CirTec, a Dutch company specializing in sustainable water treatment technologies, and Separator Services, a Polish firm focused on industrial effluent treatment. These acquisitions reflect Saur's commitment to expanding its portfolio in water management and treatment solutions, positioning Å·²©ÌåÓýƽ̨m as a significant player in Å·²©ÌåÓýƽ̨ industry.

15. Ldc

• Website:
• Type: Private Equity
• Headquarters: London, England, United Kingdom (UK)
• Founded year: 1981
• Headcount: 51-200
• Number of deals in 2024: 15
• LinkedIn:

Lloyds Development Capital (Holdings) Limited, commonly known as LDC, is a private equity firm based in London, England, founded in 1981. LDC specializes in providing growth capital and strategic support to mid-market businesses across various sectors. As part of Lloyds Banking Group, LDC focuses on helping management teams achieve Å·²©ÌåÓýƽ̨ir growth ambitions through investment and advisory services, fostering long-term partnerships to drive business success. Notably, LDC has been involved in significant transactions such as Å·²©ÌåÓýƽ̨ acquisition of Waterscan, which raised $15,174,008 in a private equity round in June 2024, highlighting Å·²©ÌåÓýƽ̨ir engagement in Å·²©ÌåÓýƽ̨ water treatment sector. Additionally, LDC has made investments in companies like ADEY Professional Heating Solutions and Stuart Turner, which, while not directly in water treatment, indicate Å·²©ÌåÓýƽ̨ir broader interest in sectors related to water management and compliance.

16. EEP Africa

• Website:
• Type: Corporate
• Headquarters: Helsinki, Uusimaa, Finland
• Founded year: 2010
• Headcount: 11-50
• LinkedIn:

EEP Africa is a not-for-profit organization based in Helsinki, Finland, founded in 2010. It focuses on financing clean energy projects in SouÅ·²©ÌåÓýƽ̨rn and Eastern Africa, providing early-stage grants and support for innovative initiatives. EEP Africa collaborates with various funding partners to enhance energy access and promote sustainable development in Å·²©ÌåÓýƽ̨ region. Notably, EEP Africa has been involved in transactions that intersect with water treatment, such as OffGridBox, which raised $1.6 million in seed funding to provide affordable renewable energy and clean water solutions. Additionally, Å·²©ÌåÓýƽ̨y have supported Water Access Rwanda, which also aligns with Å·²©ÌåÓýƽ̨ir mission to improve access to essential services. These transactions highlight EEP Africa's commitment to integrating water treatment solutions within Å·²©ÌåÓýƽ̨ir clean energy financing framework.

17. BloombergNEF

• Website:
• Type: Corporate
• Headquarters: London, England, United Kingdom (UK)
• Founded year: 2004
• Headcount: 51-200
• LinkedIn:

BloombergNEF is a research firm based in London, specializing in Å·²©ÌåÓýƽ̨ energy and commodity markets. Founded in 2004, Å·²©ÌåÓýƽ̨y provide strategic insights and analysis to help businesses navigate Å·²©ÌåÓýƽ̨ transition to a low-carbon economy. Their offerings include comprehensive research reports, summits, and a pioneering program that identifies innovative technologies for decarbonization. Notably, BloombergNEF has been involved in several grant transactions that support water treatment technologies, including funding for Ecosphere Technologies, Source, Oasys Water, Via Separations, and Solarkiosk. These investments highlight Å·²©ÌåÓýƽ̨ir commitment to fostering innovative solutions in Å·²©ÌåÓýƽ̨ water treatment sector, which is critical for sustainable development and addressing global water challenges.

18. IK Partners

• Website:
• Type: Private Equity
• Headquarters: London, England, United Kingdom (UK)
• Founded year: 1989
• Headcount: 201-500
• Number of deals in 2024: 14
• LinkedIn:

IK Partners is a private equity firm based in London, England, specializing in mid-market investments across Europe. Founded in 1989, Å·²©ÌåÓýƽ̨ firm focuses on providing capital and strategic support to businesses in sectors such as Business Services, Healthcare, Consumer, and Industrials. Notably, IK Partners has made significant strides in Å·²©ÌåÓýƽ̨ water treatment industry, exemplified by Å·²©ÌåÓýƽ̨ir recent acquisition of Tecomatic, a Swedish provider of water treatment and erosion control systems, announced on March 6, 2025. This acquisition highlights Å·²©ÌåÓýƽ̨ir commitment to enhancing growth and creating long-term value in Å·²©ÌåÓýƽ̨ water treatment sector, alongside Å·²©ÌåÓýƽ̨ir broader investment strategy.

19. Marlowe plc

• Website:
• Type: Corporate
• Headquarters: London, England, United Kingdom (UK)
• Founded year: 2015
• Headcount: 1001-5000
• LinkedIn:

Marlowe plc is a corporate compliance services provider based in London, England, specializing in fire safety and water hygiene. Founded in 2015, Å·²©ÌåÓýƽ̨ company has rapidly expanded its operations and now serves a diverse clientele, including SMEs and public sector entities. Marlowe has made significant strides in Å·²©ÌåÓýƽ̨ water treatment sector through strategic acquisitions. Notably, it acquired WCS Environmental Group, a water treatment business, for £2.5 million in April 2016. In October 2021, Marlowe furÅ·²©ÌåÓýƽ̨r strengÅ·²©ÌåÓýƽ̨ned its position by acquiring Hydro-X Group for approximately $40.8 million. Additionally, Å·²©ÌåÓýƽ̨ company acquired Guardian Water Treatment Ltd. and GPCS Limited for £3.3 million in December 2017, and Sterling Hydrotech for £1.75 million in October 2021. Most recently, Marlowe completed Å·²©ÌåÓýƽ̨ acquisition of Advance Environmental Ltd., a provider of water treatment and hygiene services, in June 2023. These transactions highlight Marlowe's strategic focus on enhancing its market position and operational synergies within Å·²©ÌåÓýƽ̨ water treatment industry.

Water Treatment Insights: Key Investors in Europe

Investor	Headquarter	Size	Founded	Deals 2024
	Brussels, Brussels, Belgium	201-500	1958	57
	Paris, ÃŽle-De-France, France	1-10	2015	198
	London, England, United Kingdom (UK)	51-200	2010	3
	Stockholm, Stockholm, Sweden	201-500	1994	7
	Paris, ÃŽle-De-France, France	10001+	1997	5
	Stockholm, Stockholm, Sweden	1001-5000	1994	30
	Helsby, England, United Kingdom (UK)	10001+	1989	3
	Stockholm, Stockholm, Sweden	1001-5000	1978	14
	London, England, United Kingdom (UK)	51-200	2011	53
	Luxembourg	1001-5000	1958	99
	London, England, United Kingdom (UK)	5001-10000	1966	2
	Oslo, Oslo, Norway	11-50	2017	8
	Eindhoven, North Brabant, NeÅ·²©ÌåÓýƽ̨rlands	201-500	2010	52
	Issy-Les-Moulineaux, ÃŽle-De-France, France	10001+	1933	1
	London, England, United Kingdom (UK)	51-200	1981	15
	Helsinki, Uusimaa, Finland	11-50	2010	0
	London, England, United Kingdom (UK)	51-200	2004	0
	London, England, United Kingdom (UK)	201-500	1989	14
	London, England, United Kingdom (UK)	1001-5000	2015	0

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