The Business Model.

Mithril International builds knowledge and relationships with its customers and their families to make sure that their international business and investment structures are always effective. Mithril International provides commercially sensible solutions for international business owners and investors that will enable them to do cross-border business and protect their families. We do not provide complex ideas that cannot be implemented and operated. We bring together advice, services and solutions that are both practical and commercial. Our team of professionals will provide you with a full range of international, legal, trust, and corporate services that will increase your cross-border wealth and protect your family.

Service Portfolio.

  • International tax consultancy
  • US and Hybrid Trust Services
  • Trustee & Fiduciary
  • Implementation of tax advice
  • Opening international business bank accounts
  • Corporate Services
  • Active Business Solutions
  • Immigration & relocation
  • Financial Accounting

Creating Value.

Mithril International creates value for our customers by enabling them to do international business effectively.

Rianna Holas

Private Client Advisor

Rianna Holas is an international private client advisor who is passionate about the global wealth management and luxury services industry. Rianna uses her skills and experience to provide a superior level of service, particularly for families in Latin America who require a scope of international tax, financial, trust and corporate management services.

For the last three years, Rianna worked with a number of clients to deliver both corporate and customer services customized to each client’s requirement or compliant structure, whilst providing Directorial Services when required.

Rianna has a bachelor’s degree in Hospitality and Tourism Management and is a member of the Society of Trust and Estate Practitioners (STEP). She is currently undertaking a series of STEP qualifications to enhance her wealth management and skills platform and will increase her involvement in the STEP Barbados branch through working with the executive members to increase the awareness of the branch.

Marilyn Brathwaite


Marilyn has a wealth of international business experience and she spent 17 years working for a multi-national corporation in both the UK & Ireland and EMEA. There she managed a P&L in excess of US$500M, in-depth knowledge of contract management and systems, SOX corporate governance and financial disclosure. For the last six years, Marilyn has been working with owners of international business and wealth structures, establishing trusts, trust companies, and internet marketing companies, assisting them in managing their international sales and operations.

Marilyn works with a number of customized solutions for an array of international clients.

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Raquel Abreu Nuñez

Client Service Representative

Raquel is a client service representative who has significant experience in financial management and digital marketing within Latin America. Her well versed administrative management skills have enabled her to create ideal organisational structures which have positively impacted her work environment. Since 2018, Raquel has been involved in consulting, execution and the positioning of brands where she has used her skills to add value to clients.

As a native Spanish speaker, Raquel will work with the sales and marketing team of Mithril International and will focus on owner manager business to increase brand awareness and improve the networking within the Latin American markets.