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Caroline Costello

Senior Manager – Employer Solutions Jersey 

Caroline joined JTC in 2021 following the acquisition of RBC cees.

She has many years’ experience of tax implications, often in relation to complex transactions within a wide range of international and local structures, such as, pension plans, employee benefit plans and companies.

Caroline specialises in technical tax, legal, regulatory and corporate governance issues for fiduciary structures, including Disguised Remuneration, GDPR, 4 and 5MLD, Economic Substance, Pension and EBT distributions and general tax risk.


  • Fellow of the Association Certified Chartered Accountant - FCCA

In Their Spare Time

As well as being a busy mum, Caroline is a voluntary trustee on the board of Autism Jersey. She is dedicated to advocating to the Government of Jersey to improve the island’s education, mental health and social care provisions for children with autism and their families.


Our resources and strengths

We value shared ownership

We operate around the principle that if our people have a stake in the business, they will do a better job for our clients.

We invest in people

Over 85% of our employees hold a relevant professional qualification or are working towards this through our dedicated JTC Academy.

We embrace technology

We operate a variety of best-in-class systems to deliver and maintain an impeccable standard of administration and use technology to innovate in both service delivery and efficiency.

We value relationships

We aim to work with clients who share our belief in the importance of building strong relationships over time.

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