The Legal 500

Twitter Logo Youtube Circle Icon LinkedIn Icon

Collyer Bristow LLP

Work 020 7242 7363
Geneva, London

William Hancock

Work +44 (0)20 7468 7301
Collyer Bristow LLP

Work Department

Tax and estate planning, Media and culture


William is a partner in the Tax and Estate Planning team. He advises on contentious and non-contentious private client matters. Areas of practice include domestic and overseas trusts, residence and domicile, wills and succession, cross-border set ups, heritage property, charity and philanthropy, tax and compliance. William also leads an advisory service in art matters, including the collection, preservation, maintenance and disposition of things.


William trained at Withers and qualified into the Private Client department in September 1987. He joined Collyer Bristow as a partner in March 2014 from Speechly Bircham.


Society of Trust and Estate Practitioners, the Association of Contentious Trusts and Probate Specialists, the Professional Advisers to the International Art Market, Heritage Group of Professional Advisers and the Charity Law Association.


Southampton University – LLB; Hertford College, Oxford University – BCL.

London: Private client

Personal tax, trusts and probate

Within: Personal tax, trusts and probate

Collyer Bristow LLP has a ‘very strong line up of lawyers in its personal tax and estate planning team’. Peter Daniel has a ‘broad knowledge of tax and estate planning. He delivers advice that is well thought out, clearly communicated and is sound. He is also extremely good at building relationships with clients and advisors alike and possesses a very good professional network’. Daniel Simon is a ‘thought leader in the private client world and has extremely sound knowledge coupled with a strong professional network and client base’. James Badcock heads the team and William Hancock is experienced in cross-border matters with particular knowledge of estate planning for Scandinavian clients. The majority of the team’s work is cross border and it has an excellent understanding of offshore trust structures. It has particular focus on Switzerland, the United States, Russia and the Middle East.

[back to top]

Back to index

Legal Developments in London

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to
  • The legal difference between a consultant and an employee according to Nicaraguan Law

    Knowing the legal difference between a consultant and an employee is important for a company that needs to hire someone in Nicaragua or for a person interested in rendering services for a company or another person, due to the fact that the nature of the contractual relationship will determine many factors that both parties must be aware of before executing the contracting modality that will govern the relationship between them - the nature of the contractual relationship impacts on the employment benefits, tax implications and liabilities that the parties must comply with according to the law.  labor_law_in_nicaragua
  • Single director - shareholder Companies according to the Nicaraguan legal system

    What is a Single Shareholder and Director legal entity?
  • Business in Nicaragua- The Most Important Changes in the Recent Tax Reform

    In recent years, the country ́s the government has been committed to improving Taxation in Nicaragua and attempting to follow the legislative model used by some of the other countries in the region. Starting January 1st, 2013, a new tax law (Law No. 822, Tax Concertation Law) came into force in and completely changed the taxation system in Nicaragua. Two years later a new law was issued by the National Assembly containing more than 80 amendments, additions and repeals (Law No 891) which came into force December 18th, 2014.