Viridor Limited (from the Latin 'to become green') is a recycling, renewable energy and waste management company in the United Kingdom owned by KKR.

[5] Later in 2015 Viridor took over the collection side of Dorset based waste company Commercial Recycling.

Today the business is valued at around £4 billion,[6] with recent acquisitions and growth focused on expanding the company's recycling and energy from waste capacity.

In March 2020, KKR agreed terms to buy Viridor in a £4.2 billion deal.

[11] As part of the Landfill Communities Fund tax credit scheme, Viridor created the Viridor Credits scheme which in 2001 to distribute funds to communities for heritage and biodiversity projects.