Callamus Multi-Family Office

Overview

Callamus works with internationally active individuals and businesses, including what it calls modern families from around the world.¹ The firm coordinates tax, corporate, banking and compliance matters through an international network.¹ It presents a single point of oversight across jurisdictions and disciplines.¹ Callamus says its focus includes protection, continuity and long term stewardship.¹ The firm advises on cross border structures aligned with tax residence, regulatory obligations and long term objectives.¹

History

Callamus states that Dimitrios Tourikis founded the firm in 2009.¹ Its family office services page says the firm has 17 years of experience working with high net worth individuals and families.²

Leadership

Dimitrios Tourikis is identified as founder, Certified Tax Accountant and Global Tax & Wealth Adviser.¹ He studied Accounting and Finance at Oxford Brookes University.¹ He pursued postgraduate studies in International Relations and an LL.M. at the University of East London.¹ His prior roles included stockbroker at Merrill Lynch, financial auditor at the Further Education Development Agency, financial analyst at Boston Finance and assistant stockbroker at Emporiki Bank.¹ Callamus describes him as a STEP U.K. member and a member of the Economic Chamber of Greece.¹

Magda Tsantou is Head of Key Accounts for the Greece Offices.¹ She joined Callamus in 2019 as a corporate administrator.¹ Veronika Vilks is listed as Executive Assistant in the Greece Offices and reportedly joined in 2026.¹

Callamus lists Athens, Greece, and a Dubai representative location in the United Arab Emirates.¹

Services

Callamus describes an integrated service suite covering strategic wealth planning, international tax structuring, compliance services, estate and succession planning, philanthropy and family governance, and bespoke lifestyle support.¹ The firm says it coordinates legal, tax and personal expertise under one platform.¹ It identifies expertise in tax planning, international banking and private wealth advisory.¹

Its family office services include international tax planning, corporate structuring, estate planning, fiduciary services, wealth management and immigration planning.² Callamus says it brings together and manages external professionals to address each family’s objectives.²

What the firm offers

• Financial planning
• Tax planning
• Estate planning
• Trust and fiduciary
• Philanthropy
• Family governance and education
• Administration and bill pay
• Cross-border planning

Client focus

The firm serves private clients and businesses with cross border activities.¹ Its stated client focus includes internationally active individuals and businesses.¹ Callamus also says it advises modern families from around the world.¹

Investment philosophy and approach

Callamus says effective international structuring should emphasize foresight, balance and control rather than aggressive optimisation.¹ The firm states that structures should withstand regulatory scrutiny and adapt to change.¹ It describes itself as an independent advisory firm free of undue influences and alliances.¹ Callamus also states that it follows a strict discretionary policy intended to protect client confidentiality.¹

FAQs

Related resources

• LocationMultifamily offices in Greece

  The guide to multifamily offices in Greece helps readers compare services relevant to families with assets, residences, or businesses connected to the region. It can frame questions about tax planning, estate structures, family governance, and administration when considering an adviser for cross-border financial affairs.

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  This guide outlines practical questions for comparing multifamily offices, including service scope, client fit, fees, and communication. A family considering Callamus can use those questions to assess whether its needs span financial planning, tax planning, administration, family education, and cross-border advice.

• GuideData privacy and security with an MFO

  The data privacy and security guide explains issues families should raise before sharing financial, trust, estate, or business information with a multifamily office. It supports informed conversations about document handling, access controls, confidentiality, and communication practices for clients with international holdings or family members.

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Sources

1. Callamus, “About,” accessed 2026-10-23
2. Callamus, “Family Office Services,” accessed 2026-10-23

Claim or correct this profile

This profile is a factual summary written in our own words from public sources. It is for information only. It is not an endorsement, rating, ranking or recommendation, and it is not investment advice. MultiFamilyOffices.com is not affiliated with the SEC or with this firm unless stated. Form ADV figures are self-reported by the firm.