A European-based investment advisor approached Withers for advice on structuring its worldwide operations and other issues in the US. Because of our in-depth of knowledge of international markets, we were able to help with US withholding obligations as well as reporting obligations for US customers and accounts.

When the founding principals of two of London's largest hedge funds turned to Withers for help devising a more integrated approach to tax structuring in the UK and US, our international knowledge and global reach made us ideally placed to help. We came up with the most efficient strategy and also advised them on effective estate planning, whether or not they stayed in the funds.

We acted for an investment banker in London who was facing bankruptcy proceedings as a result of a petition from HMRC for non-payment of tax. The non-payment was related to the sale of bank shares where she previously worked, which would have had a significant impact on her livelihood. We negotiated with HMRC on her behalf, saving her from bankruptcy proceedings and without adverse publicity.

This Californian arbitration case, Marlene McCoy et al v US Bank, related to a family trust. The trust beneficiaries had made claims against the trust and sought to prevent our client, as trustee, from paying its own legal costs out of trust funds. Our San Diego team argued that the beneficiaries' demands were unreasonable and their order was denied on appeal.

When director and CEO of the Co-op Bank Plc Barry Tootell stepped down in difficult and controversial circumstances, Withers's team demonstrated our in-depth knowledge of difficult situations to advise and negotiate his exit. Since 2013, our team has continued to act for him on arising issues and enquiries related to his time at the Co-op.

Advising Swiss trustees and a Swiss bank on the recovery of assets relating to unravelling an appointment upon the discovery of a fraud on a family trust and on the assets in the estate of the deceased settler in the sum of approximately £400m.

We advised a major international bank in the financing of six aircraft sold by a major US airline to a leasing company and then to Swedish limited partnerships.

We advised Deutsche Bank on a loan of £10 million secured on a collection of silver.

Assisted a UK fund manager on Italian tax issues relating to setting up and doing fund raising for a EU investment fund seeking to invest in EU renewable energy companies.

We advised a law firm with offices in multiple jurisdictions on their global administration.

We worked with Crown Global to devise the first dual qualified US/UK insurance bond. The policy we advised on is the first insurance policy of its kind on the market which is suitable for individuals who are subject to the US and UK tax systems, such as US citizens living in the UK.

Advised major financial institutions in and outside of Mexico on the use of sophisticated tax compliant investment structures for their private clients to deal with ongoing developments in Mexican and international tax compliance regimes.

Advised internationally mobile employee of PE fund on taxation of deferred remuneration earned by him during UK and non UK residence periods but received the remuneration having left the UK. This involved a highly technical analysis, which was confirmed by tax counsel.