Greenzest Limited
1.6
United Kingdom, United Kingdom
January 2026
Facilities & cleaning services
Service with Significant Environmental Footprint
United Kingdom
Greenzest Limited is a people-first, sustainability-led cleaning business focused on delivering consistent quality through strong values and smart technology. Since 2011, we have been at the forefront of change in the cleaning industry, by championing the well-being of our people and our planet and building strong partnerships. As one of the country’s leading office and commercial cleaning contractors, our aim is not to simply appear different, but to actually make a difference. Our purpose is to reimagine the cleaning industry as a force for good. This means paying our staff the living wage, providing a working environment that’s safe, empowering and enjoyable and supporting movements and organisations that push for environmental sustainability and better employment for all. Our four platforms (referred to as our “Four P’s”) help us deliver our purpose: • Planet: Protecting the planet with every business decision • People: Building a business community where people want to join and stay with us; treating people as individuals, with flexibility to meet their needs • Partnerships: Building trust through honesty, integrity, transparency and always delivering to our fullest potential • Productivity: Being innovative and delivering value for money in everything we do
Overall B Impact Score
Governance 17.1
Governance evaluates a company's overall mission, engagement around its social/environmental impact, ethics, and transparency. This section also evaluates the ability of a company to protect their mission and formally consider stakeholders in decision making through their corporate structure (e.g. benefit corporation) or corporate governing documents.
What is this? A company with an Impact Business Model is intentionally designed to create a specific positive outcome for one of its stakeholders - such as workers, community, environment, or customers.
Workers 53.8
Workers evaluates a company’s contributions to its employees’ financial security, health & safety, wellness, career development, and engagement & satisfaction. In addition, this section recognizes business models designed to benefit workers, such as companies that are at least 40% owned by non-executive employees and those that have workforce development programs to support individuals with barriers to employment.
What is this? A company with an Impact Business Model is intentionally designed to create a specific positive outcome for one of its stakeholders - such as workers, community, environment, or customers.
Community 21.5
Community evaluates a company’s engagement with and impact on the communities in which it operates, hires from, and sources from. Topics include diversity, equity & inclusion, economic impact, civic engagement, charitable giving, and supply chain management. In addition, this section recognizes business models that are designed to address specific community-oriented problems, such as poverty alleviation through fair trade sourcing or distribution via microenterprises, producer cooperative models, locally focused economic development, and formal charitable giving commitments.
Environment 21.1
Environment evaluates a company’s overall environmental management practices as well as its impact on the air, climate, water, land, and biodiversity. This includes the direct impact of a company’s operations and, when applicable its supply chain and distribution channels. This section also recognizes companies with environmentally innovative production processes and those that sell products or services that have a positive environmental impact. Some examples might include products and services that create renewable energy, reduce consumption or waste, conserve land or wildlife, provide less toxic alternatives to the market, or educate people about environmental problems.
Customers 3.7
Customers evaluates a company’s stewardship of its customers through the quality of its products and services, ethical marketing, data privacy and security, and feedback channels. In addition, this section recognizes products or services that are designed to address a particular social problem for or through its customers, such as health or educational products, arts & media products, serving underserved customers/clients, and services that improve the social impact of other businesses or organizations.