Sonn Macmillan Walker is one of the largest and most respected specialist criminal defence law firms in the UK, renowned for its award-winning legal representation and inclusion in The Times 250 Best Law Firms for multiple consecutive years. Founded in 1992, the firm has built a formidable reputation for handling high-profile and nationally significant cases with meticulous preparation and an unwavering commitment to client care.
The firm operates a 24/7 arrest helpline, offering immediate support to clients across the country regardless of their location. Their collaborative, hands-on approach involves every member of the team—from paralegals to partners—ensuring that each case receives thorough attention and strategic expertise. They are particularly noted for their skill in complex, document-heavy Crown Court litigation and are highly regarded by legal directories such as Chambers and Partners and the Legal 500 for their diligence, client-focused service, and successful outcomes.
Services Offered
- 24/7 Arrest Support
- Criminal Defence
- Serious Assaults
- Serious Organised Crime
- Driving Offences
- Sexual Offences
- Appeals
- Extradition
- Financial Crime
- Account Freezing and Forfeiture Orders
- POCA Proceedings
- Pre-charge Advice
- Youth Cases
- Homicides
- Mental Health Law
- Terrorism Defence
- Firearms Offences
Based in London but serving clients nationwide, the firm is equipped to represent individuals at all stages of criminal investigations and proceedings. Their expertise spans a wide range of serious and complex matters, with a dedicated focus on achieving the best possible results through rigorous case preparation and personalised representation.
