SELT Test providers website details:
Trinity College London Website: www.trinitycollege.com/SELT - Test Centres: www.trinitycollege.com/findaseltcentre
IELTS SELT Consortium Website: www.ielts.org - Test Centres: www.ielts.org/book-a-test/find-a-test-location
LanguageCert Website: www.Languagecert.org/selt - Test Centres: www.Languagecert.org/selt-locations
Pearson Education Ltd Website: www.pearsonpte.com - Test Centres: www.pearsonpte.com/locations