UK100 Start-Ups: Greyparrot
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This article is part of The UK100 Start-Ups, a special edition by Entrepreneur UK showcasing the most exciting startups redefining business in 2026. From climate and health to AI and creativity, these innovators are tackling big challenges—while racing to scale, secure funding, and attract top talent
Greyparrot is a pioneering AI-driven waste analytics firm for the recycling industry. Launched in 2019, Greyparrot has become one of the top 100 fastest-growing startups in the UK and has the world’s largest database on household packaging waste, analysing 100bn waste items in 2025 alone. Greyparrot uses its data to help waste facilities operate more efficiently and show CPG firms how many of their products really get recycled, and how many get lost to residue or landfill.

This article is part of The UK100 Start-Ups, a special edition by Entrepreneur UK showcasing the most exciting startups redefining business in 2026. From climate and health to AI and creativity, these innovators are tackling big challenges—while racing to scale, secure funding, and attract top talent
Greyparrot is a pioneering AI-driven waste analytics firm for the recycling industry. Launched in 2019, Greyparrot has become one of the top 100 fastest-growing startups in the UK and has the world’s largest database on household packaging waste, analysing 100bn waste items in 2025 alone. Greyparrot uses its data to help waste facilities operate more efficiently and show CPG firms how many of their products really get recycled, and how many get lost to residue or landfill.