Mayo School of Astrology - www.mayoastrology.com
Astrodienst - https://www.astro.com/horoscope
Astrological Association of Great Britain - www.astrologicalassociation.com
Association of Professional Astrologers International (APAI) - https://professionalastrologers.co.uk
Astrological Lodge of London - https://astrolodge.co.uk/