[5] In April 2015 the organisation threatened legal action against the Liverpudlian Clinical Commissioning Group over its spending of £30,000 per year on homeopathy, with Singh saying "Homeopathic treatments when paid for by the NHS are a waste of crucial resources".

[6][7] Thereafter, Singh and project director Michael Marshall called on all remaining homeopathy-funding CCGs in the UK to follow the example of Liverpool to reconsider their funding policies.

"[11] In September 2015, Marshall showed how American televangelist and self-proclaimed prophet and faith healer Peter Popoff – previously exposed by James Randi – was trying to persuade people to send him money on promises of "fabulous extreme fortune" and "miracles".

[12] In November 2015, following a threat of legal action by the Good Thinking Society, the British government stated that the Department of Health would hold a consultation in 2016 regarding whether homeopathic treatments should be added to the NHS treatments blacklist (officially, Schedule 1 of the National Health Service (General Medical Services Contracts) (Prescription of Drugs etc.)

In June, 2018, BHA lost that case,[15] in a decision characterized by Edzard Ernst as the result of "4 years of excellent work by the GOOD THINKING SOCIETY".