Sinclair is a leading UK manufacturer of professional growing media, supplying high performance composts, substrates, and soil solutions for commercial horticulture. Known for consistent quality and technical reliability, Sinclair products are designed to support strong root development, optimal water management, and healthy plant growth.

With decades of industry expertise, Sinclair combines scientific research with sustainable sourcing to deliver tailored growing media solutions for nurseries, growers, and protected cropping environments, helping achieve reliable crop performance and efficient production.