[2][3] The Trust manages 36 nature reserves in Greater London[4] and provides education services for schools, events for nature enthusiasts, and information on how to help London's wildlife.

The Trust pioneered the systematic recording of data on wildlife and the environment in the capital.

Its "Biological Recording Project" became the semi-independent "Greenspace Information for Greater London", known as GIGL.

[7][8] In its 2024 strategy document the Trust sets out its vision and mission, as well as plans for a five-year period.

The trust states its vision as "A London alive with wildlife, nature in everyone's neighbourhood.