Spencer is a Partner in the Medical Negligence team which handles all kinds of medical negligence claims. From the maximum severity cerebral palsy, spinal and amputation cases, to the mid and lower end missed fractures. He also handles delayed diagnosis of cancer and fatal claims.  Acting solely for the injured victims of medical negligence, the team has recovered many millions in damages for clients injured as a result of negligent medical occurrences.

Spencer has over 30 years’ experience in acting on behalf of the victims of medical negligence to achieve justice and compensation. He has handled all types of cases, including cerebral palsy, spinal injury, amputations, surgical errors, delayed diagnosis of cancer and claims under the Fatal Accidents Act 1976. Spencer has developed a formidable reputation in this specialism and has devoted the last three decades to helping victims of medical negligence. He has secured life-changing awards of damages for claimants. He has never been afraid to fight and pursue the pioneering and frontier pushing cases that others may decline.

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What clients say

"Utterly dedicated and compassionate towards his catastrophically injured clients"

Legal 500 2026

"An experienced clinical negligence solicitor who knows what he's doing and is very good with clients."

Chambers & Partners 2026

"Spencer is excellent. He doggedly pursues his clients' cases, and I have been really impressed with him"

Chambers & Partners 2026

"Spencer Collier is highly personable and knowledgeable. He leaves no stone unturned and approaches cases with a forensic eye."

Legal 500 2025

"Spencer is hugely experienced and a first-class lawyer who regularly undertakes complex and high-value claims."

Legal 500 2024

"Spencer Collier is one of the best in Wales. He is calm under pressure and very good with clients."

Chambers & Partners 2026

"Tenacious in the pursuit of his clients best interests."

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