KKR & Co. Inc., also known as Kohlberg Kravis Roberts & Co., is an American global investment company that manages multiple alternative asset classes, including private equity, energy, infrastructure, real estate, credit, and, through its strategic partners, hedge funds. As of December 31, 2023, the firm had completed more than 730 private equity investments in portfolio companies with approximately $710 billion of total enterprise value. As of December 31, 2023, assets under management (AUM) and fee paying assets under management (FPAUM) were $553 billion and $446 billion, respectively.
Viridor Limited is a recycling, renewable energy and waste management company in the United Kingdom owned by KKR.
John Laing Group plc is a British investor, developer and operator of privately financed, public sector infrastructure projects such as roads, railways, hospitals and schools through public-private partnership (PPP) and private finance initiative (PFI) arrangements. It was listed on the London Stock Exchange and was a constituent of the FTSE 250 Index prior to its acquisition of the company by the American private equity firm Kohlberg Kravis Roberts (KKR).
Mitie Group PLC is a British strategic outsourcing and energy services company. It provides infrastructure consultancy, facilities management, property management, energy and healthcare services. It has a head office at The Shard in London and more than 200 smaller offices throughout the United Kingdom and Ireland. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.
Renewi plc is a leading European waste management company operating primarily in the Benelux region. It is listed on the London Stock Exchange and Euronext Amsterdam and is a constituent of the FTSE 250 Index.
The Greater Manchester Waste Disposal Authority (GMWDA) was England's largest waste disposal authority, responsible for the management and disposal of municipal waste from Greater Manchester. It dealt with 1.1 million tonnes of waste produced each year, from approximately 1 million households and a population of over 2.27 million in the metropolitan districts of Bolton, Bury, Manchester, Oldham, Rochdale, Salford, Stockport, Tameside and Trafford — though part of Greater Manchester, the Metropolitan Borough of Wigan administers its own waste disposal operations, however they were represented on the authority for administration purposes. The waste came primarily from household waste collections and 20 household waste recycling centres (HWRCs) provided and serviced by the GMWDA. It handled around 4% of the nation's municipal waste.
Clayton, Dubilier & Rice (CD&R) is an American private equity company. It is one of the oldest private equity investment firms in the world. Founded in 1978, CD&R has managed the investment of more than $30 billion in approximately 90 businesses, representing a broad range of industries with an aggregate transaction value in excess of $140 billion. Approximately half of CD&R's investments have involved corporate divestitures.
South West Water is a British private utility company responsible for the water supply and waste water treatment services throughout Devon and Cornwall and in small areas of Dorset and Somerset. South West Water was created in 1989 with the privatisation of the water industry. It was preceded by the South West Water Authority which was formed by the Water Act 1973 as one of ten regional water authorities formed by a merger of various statutory and local authority water undertakings. South West Water is part of the Pennon Group.
Northumbrian Water Group plc (NWG) is the holding company for several companies in the water supply, sewerage and waste water industries. Its largest subsidiary is Northumbrian Water Limited (NWL), which is one of ten companies in England and Wales that are regulated water supply and sewerage utilities. NWL is the principal water supplier in the north-east of England, where it trades as Northumbrian Water, and also supplies water to part of eastern England, as Essex and Suffolk Water. In 2011 it was acquired by Cheung Kong Infrastructure Holdings.
In the UK a local authority waste disposal company (LAWDC) is an arms length waste management operator. These companies were created when the waste management industry was privatised. Some of these companies have now been sold on to larger commercial waste companies and some are still owned by local authorities.
South Staffordshire Water plc known as South Staffs Water is a UK water supply company owned by a privately owned utilities company serving parts of Staffordshire, the West Midlands, as well as small areas of surrounding counties in England. South Staffordshire Water plc is part of South Staffordshire plc. It purchased Cambridge Water in 2011. In 2013, KKR & Co. L.P., a company registered in the United States of America, acquired South Staffordshire Water from Alinda Infrastructure Fund. As of April 2018, KKR & Co. has agreed to sell its 75% equity stake in South Staffordshire Water to Arjun Infrastructure Partners (AIP).
The Water Industry Act 1991 is an Act of the United Kingdom Parliament consolidating previous enactments relating to the water supply and the provision of wastewater services in England and Wales. It further implemented recommendations of the Law Commission.
Chemring Group plc is a global business providing a range of advanced technology products and services to the aerospace, defence and security markets. Chemring has extensive operations in the Americas, Europe, Middle East and Asia.
Dechra Pharmaceuticals plc is a business involved in the development and marketing of veterinary products based in Northwich, England. It is listed on the London Stock Exchange until it was acquired by EQT AB in January 2024.
Genuit Group plc, formerly Polypipe Group, is a manufacturer of plastic piping systems, for use in the residential, commercial, civils and infrastructure sectors. The piping systems are used for a variety of applications including drainage, plumbing, water supply, water management, cable management, heating and ventilation. The company is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.
Cleanaway Waste Management Limited is an Australian waste management company. Founded in 1979 by Brambles, it has extensive operations in Australia and the United Kingdom.
NCC Group is an information assurance firm headquartered in Manchester, United Kingdom. Its service areas cover software escrow and verification, cyber security consulting and managed services. NCC Group claims over 15,000 clients worldwide. The company is listed on the London Stock Exchange.
Bournemouth Water provides drinking water to approximately 500,000 people from the port town of Poole to Beaulieu in the New Forest and from Bournemouth to Salisbury in Wiltshire, an area of over 1000 square kilometres.
Colin Irwin John Hamilton Drummond is a British businessman, and the former CEO of Viridor, and joint CEO of Pennon Group.
GFL Environmental Inc. is a waste management company with headquarters in Toronto, Canada. GFL operates in all provinces in Canada, and currently employs more than 8,850 people. The company provides environmental services to municipal, residential, commercial, industrial and institutional customers. On July 6, 2021, the company announced the formation of the Resource Recovery Alliance (RRA) and an agreement to acquire Canadian Stewardship Services Alliance.
£825.0 million (2023) [1] 
£153.1 million (2023) [1] 