The Isthmian League Premier Division, known as the Pitching In Isthmian League Premier Division for sponsorship purposes, forms part of the seventh tier of the overall English football league system.

Billericay Town
The Blues

Bognor Regis Town
The Rocks

Bowers & Pitsea
The Bowers

Canvey Island
The Gulls

Carshalton Athletic
The Robins

Chatham Town
The Chats

Cheshunt
The Ambers

Cray Valley Paper Mills
The Millers

Cray Wanderers
The Wands

Dartford
The Darts

Dover Athletic
The Whites

Dulwich Hamlet
The Hamlet

Folkestone Invicta
The Seasiders

Hashtag United
The Tags

Hastings United
The U's

Hendon
The Greens

Horsham
The Hornets

Lewes
The Rooks

Potters Bar Town
The Scholars

Whitehawk
The Hawks

Wingate & Finchley
The Blues