At least the 36 Core teams will have a place in the tournament.

Participating a lot increases the chance of becoming a core team.

Manual 7.4 states:

Any core team that fails to play in two consecutive Championships will lose its ECGC core status.

The list of the core teams after the 2025 tournament (bold = promoted):

Aix en Provence 1

Aix en Provence 2

Bodø ACC

Bremen 1

Brest 1

Brest 2

Canarias

Düsseldorf Tower 1

Eurocontrol Brussels 1

Eurocontrol Brussels 2

Frankfurt 1

Frankfurt 2

Heathrow Tower 1

Iceland

Karlsruhe 1

Karlsruhe 2

London ACC 1

London ACC 2

London APP 1

Maastricht 1

Maastricht 2

Munich 1

Nordic Ladies

Prestwick 1

Prestwick 2

Reykjavik

Rome 1

Rome 2

Scottish ACC

Shannon 1

Shanwick

Stavanger

Switzerland 1

Switzerland 2

Switzerland 3

Tampere 1