HOLISTIK
Your legal and tax strategic partner
“Holistik is dedicated to driving positive change for better business and family goals,
focusing on sustainability as a value-driver in growth, brand, strategy, and people.”
Trang Fernandez-Leenknecht
Partner and co-founder
Your legal and tax strategic partner
A holistic approach avoids counter-productive effects of separate actions
Your legal and tax strategic partner
Consulting with perspectives turns a situation into options
HOLISTIK
Your legal and tax services partner
“Holistik is dedicated to driving positive change for better business and family goals,
focusing on sustainability as a value-driver in growth, brand, strategy, and people.”
Trang Fernandez-Leenknecht
Partner and co-founder
Your legal and tax services partner
A holistic approach avoids counter-productive effects of separate actions
Your legal and tax services partner
Consulting with perspectives turns a situation into options
Swiss roots, global connection
We support clients whose personal, business and financial interests span multiple jurisdictions, combining local insight with a cross-border perspective.
Fully integrated approach
We bring tax, legal and operational expertise together to build solutions that are compliant, coherent and practical.
Bridging Consulting and Operations
We turn strategy into action by coordinating the people, steps and documentation needed for effective implementation.
About Us
Responsible stewardship
Holistik is an agile and forward-thinking law firm that combines deep expertise in Swiss and international tax and law. We provide interdisciplinary, solution-oriented advice with a strong focus on transformative technologies and deep tech. We offer flexible pricing models tailored to startups and tech-driven businesses.
Our team blends deep industry knowledge with hands-on experience gained in top-tier law firms and global corporations. We are entrepreneurs specialising as lawyers, notaries, tax experts, pension and insurance advisors, and wealth planners.
Our mission is to identify opportunities, assess risks, and manage uncertainties. We prioritize personalised commitment and tailor-made services to meet each client’s unique needs, helping you shape your financial future and achieve long-term success.
As expert members of professional and supervisory organisations, Holistik frequently contributes to authoritative publications and speaks in specialist events.
We take the first steps with you
up to the whole staircase
Services
Tailored to your vision
Tax
Corporate and individual tax; Special tax regimes (lump sum, etc); Direct and indirect taxes (VAT, at source, WHT); Remuneration scheme (shares, options, tokens); Business and asset valuation
Wealth Planning
Asset protection and transfer; Structuring (company, insurance, etc); Governance and compliance; Due diligence; Projection & calculation, contracts & deeds
Relocation
Domiciliation, permits, citizenships; Employment, immigration; Family office services (e.g. school, accomodation); Special tax regimes
Succession
Company restructuring & sale; Estate planning, international inheritance; Non-profits & philanthropy
Technologies
Companies, Non-profits; Digital assets & Blockchain; AI & data, digital-based businesses; Due diligence & audit
Transfer Pricing
Legal and industry-specific issues; Team of lawyers, economists, accountants; Connection to tax authorities in 15+ countries; Business & asset valuation
Philanthropy
Setting up entities & stewardship; Board leadership; Domestic & cross-boarder; Tax exemption & regulation; Sustainability & impact; Physical & digital assets
Family Office
Governance & Impact; Structuring (company, foundation, etc); Tax & legal supervision and organisation; Due diligence
Pension
Companies, Executives & Entrepreneurs; Pension schemes & fund/foundation; International consolidation & optimisation
Testimonials
Our common successes

Julia Lagahuzère
Trang exemplifies what it means to lead with intelligence, heart, and humility. She has an extraordinary ability to see both the human and systemic dimensions of what we do — from elevating young artists to fostering international collaboration.
Her presence makes our vision sharper, our strategies more dynamic, and our impact more enduring.
General Director for Opera for Peace

Melvin A. Warshaw ESQ
I have worked collaboratively with Trang on perhaps the most complex and comprehensive cross-border client matter of my 45-year legal career. Her attention to detail and keen understanding of tax and legal matters and holistic approach with the client brough the client huge value and benefit.
I am grateful to have had the opportunity to work so closely with her on this lengthy cross-border project. As a result, I now regularly share other client opportunities with Trang.
International tax & private client law, former partner at McDermott, Will & Emery in Boston

Gauthier Vila
Trang is a passionate and dedicated expert in the blockchain and cryptocurrency space.
We are truly happy to work with her.
Co-founder at Ondefy and Zyfi

Antoine Sarraute
With Holistik, we have found a trusted partner who understands businesses in Web3 technologies, both in commercial aspects and in legal and tax matters. Their expertise in Swiss taxation and knowledge of local authorities have made a real difference for us. Their holistic approach to issues by asking the right questions and working with tailored solutions has greatly supported our growth.
We highly recommend their services to any tech company seeking comprehensive tax and legal support.
CTO and Co-Founder Wakweli, a spin-off of Everdreamsoft
Let’s clarify your next step
Use the form below to tell us briefly about your situation. One of our specialists will review your message and get back to you with the most relevant next step, including the possibility of a focused 30-minute consultation call.

Geneva office :
Westhive
E. Pont-Rouge 9a
1212 Lancy

Holistik Zug :
Westhive
Oberallmendstrasse 18
6300 Zug

Phone : +41 79 630 50 75

Email : info(at)holistik-wp.ch
Let’s clarify your next step
Use the form below to tell us briefly about your situation. One of our specialists will review your message and get back to you with the most relevant next step, including the possibility of a focused 30-minute consultation call.

Geneva office :
Westhive
E. Pont-Rouge 9a
1212 Lancy

Holistik Zug :
Westhive
Oberallmendstrasse 18
6300 Zug

Phone :
+41 79 630 50 75

Email :
info@holistik-wp.ch

Geneva office :
Westhive
E. Pont-Rouge 9a
1212 Lancy

Zug office :
Westhive
Oberallmendstrasse 18
6300 Zug

Phone : +41 79 630 50 75

Email : info(at)holistik-wp.ch
