Guernsey
PO Box 282, Oak House, Hirzel Street, St Peter Port, Guernsey, GY1 3RH
Guernsey is widely recognised as one of the world's premier international finance centres. This "gem of the sea" is where Oak was founded and remains headquartered. Guernsey has built an outstanding reputation as a fund domicile, with current assets in excess of $500 billion.
Isle of Man
Millennium House, Victoria Road, Douglas, Isle of Man, IM2 4RW
The combination of an educated workforce, good legislation, a well-regulated environment and tax neutrality for the international company or individual, means that the Isle of Man is an excellent home for our clients’ economic centre of interest adding value to their capital wealth and protecting hard-earned success.
Jersey
3rd Floor, IFC5, Castle Street, St Helier JE2 3BY
Jersey has established itself as a leading offshore international finance centre, benefitting from a comprehensive regulatory framework that meets the highest standards of the international bodies.
The commercial environment in Jersey is home to some of the world’s leading banks, financial institutions and law firms meaning first-class service providers are within easy reach.
Mauritius
1st Floor, Block 19/20, Cascavelle Business Park, Black River Road, Cascavelle, 90522, Mauritius
In Mauritius, the mixed economic system combines private freedom with centralised economic planning and government regulation. It provides an excellent base for certain types of trust operations.
The Bahamas
Caves Village, Building 2, West Bay Street, P.O. Box CB-10976, Nassau, The Bahamas
The Bahamas, an archipelago near Florida, consists of over 700 islands. For nearly 100 years, it has offered banking and trust services to the international financial community. It’s a preferred financial centre for intangible assets and an ideal location for business ventures and corporations.
Opera Limited expanded Oak Group with the acquisition of Amber Trust Ltd in April 2025. Amber was an independent, manager-owned trust company based in the Bahamas, offering proactive fiduciary services without the conflicts of interest often seen in bank-owned institutions. The firm specialises in comprehensive fiduciary asset structuring for families with a global asset base, focusing on long-term wealth succession. Its services include family governance advice and support for single-family office operations, leveraging a broad network of legal, accounting, investment, and banking advisors to deliver tailored solutions.