Building Tax Strategy
Proactive and Reliable Solutions for the complex international tax system

Welcome to Callamus

Callamus is a boutique corporate services provider, established in 2009. With a network of partner offices strategically located throughout Europe, the Callamus team of dedicated accounting, finance and legal professionals will tailor tax efficient corporate structures to accommodate your personal or corporate objectives. Focused on providing solutions globally, our services include onshore and offshore company formation, accounting and administration, international bank account opening, immigration services, fiduciary services as well as specialised marine and aviation services.

Company Formations

Choosing the right jurisdiction for your business needs.

Business Support

Ensuring your international company is compliant.

International Tax Planning

Structuring your business for tax efficiency.

International Banking

Facilitating the flow for international business.

Professional Memberships

Quick statistics about Callamus.

  • 16 Clientele from 16 Countries
  • 18 Jurisdictions to Choose from
  • 100 % Success in Account Opening
  • 539 Clients Served Currently

Proactive and Reliable solutions for the complex international tax system.
Your trusted guide through the word of offshore.
Mutual trust based on promises made and promises delivered.
We guarantee confidentiality, discretion & data protection in all our juristictions.
Tailor made corporate solutions to fit your needs.

3 Principles:



The Callamus team brings the best of international professional standards, never losing sight of the needs of the client. Our expertise abounds in the fields of international tax planning, personal finance, as well as strategic business advisory.



Callamus stands alone as a results oriented company delivering quantifiable performance.


Callamus proudly adheres to a strict discretionary policy ensuring complete confidentiality to all our clients. As an independent advisory firm Callamus commits to the client free of undue influences and alliances.

Our Team

Dimitrios Tourikis

Dimitrios Tourikis

BA MFP TEP© | Managing Partner

Dimitrios Tourikis was born and raised in Piraeus, Greece. He received his Bachelor of Arts in Accounting & Finance from Oxford Brookes University. He continued with postgraduate studies in University of Westminster London, UK and University of Phoenix AZ, USA. Read more

Helen Varvaritis

Helen Varvaritis

BA MA MIB | Senior Partner

With a broad and varied professional career spanning senior management and marketing, as a Founding Principal, Helen brings her personal passion for business to Callamus. Helen graduated from the University of Sydney with a Bachelor of Arts followed by post-graduate studies and a Master of Arts.

Clara Katsi

Clara Katsi

BEcon | Corporate Administrator

Clara Katsi joined Callamus in July 2012, after completing her Bachelor of Economics & Finance at the National and Kapodestrian University of Athens, Her career started in the banking sector, at the National Bank of Greece, an important stepping-stone for joining the Callamus team.

Efstathia Mourkakou

Efstathia Mourkakou

Executive Assistant

Efstathia Mourkakou took the role as Administrative Assistant after completing her Diploma of Business Administration from IEK College of Piraeus. She speaks fluent Greek and English.

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