Ignatian spirituality

https://www.iscglasgow.co.uk/

https://www.ignatianspirituality.com/ignatian-prayer/the-examen/how-can-i-pray/

Carmelite spirituality

https://www.carmelite.uk.net/retreats/

The Quiet Garden Movement 

https://quietgarden.org/

Houses of Prayer

https://www.localhousesofprayer.org/what-is-a-local-house-of-prayer

Quaker meditation 

https://experiment-with-light.org.uk/

Spiritual Direction Forum  

https://sdforum.uk/

Retreat Association  

https://www.retreats.org.uk/