Headquartered in Guernsey, Oak Group offers innovative private client, corporate services, and fund administration services tailored to our clients’ needs. Formed in 2018 through the consolidation of four carefully selected businesses, Oak collectively brings together 65 years of experience between them.  We provide exceptional, personalised client service, fostering lasting relationships built on trust, integrity and expertise. With our collaborative approach, we strive to create long-term value for our clients, while maintaining the highest standards of conduct.


With offices in Guernsey, Isle of Man, Jersey and Mauritius, Oak has over 200 employees across the group, many with qualifications in a range of disciplines including accountancy, trust, company secretarial and investments. We are passionate about our people, and want our people to be passionate about us, to do that we understand how important it is to create an environment where our people are cared for, enabled, empowered, and supported to provide exceptional financial solutions. 

We service complex global structures and concentrate on our fundamental trustee, corporate and administration roles. Our private client and corporate services team provide the strength and depth of expertise needed to deliver prompt and considered services to our clients, whilst our funds team deliver bespoke fund administration and depositary services to private equity, open-ended, listed, and alternative asset fund structures. 


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