Aligned interest
The family invests its own capital alongside its clients, on the same terms.
Family Office · Switzerland
Stewardship across generations.
An independent family office managing the assets of the Grether family and a limited circle of private clients — with the same discipline we apply to our own capital.
CHF 2–50MPer opportunity
5 daysResponse to every submission
0Cost to the company
II · Philosophy
“We manage every mandate as if it were our own — because, first of all, it is.”
Long horizon
Patient capital, free from quarterly pressure and short-term benchmarks.
Discretion
Every mandate is handled with absolute confidentiality.
III · Services
Three ways we serve.
Asset Management
Discretionary and advisory mandates for the family and private clients.
Direct Investments
Minority positions in growth-stage companies, alongside co-investing families.
Family Governance
Succession, reporting consolidation, coordination with banks and advisors.
IV · Our Primary Instrument
The convertible note.
For growth-stage companies, we offer financing that starts as debt and converts into equity at the next priced round — speed for founders, aligned protection for investors.
CHF 2–50M
Ticket size per opportunity
4–6 weeks
Timeline for closing
0
Due diligence cost to the company
Issuance
Principal and term are agreed.
Growth
Capital is deployed; interest accrues.
Conversion
Equity at the next round, at a discount and/or cap.
Terms are agreed individually and documented in standard convertible note documentation.
V · Investment Focus
Where we look.
Artificial Intelligence
Applied intelligence with defensible data and real revenue.
High convictionBlockchain & Digital Assets
Infrastructure and applications for tokenised value.
High convictionEnergy Transition
Generation, storage and efficiency built to last decades.
High convictionMedTech & BioTech
Devices, diagnostics and therapies with clear clinical pathways.
ActiveCritical Mining
Responsible access to the minerals the transition depends on.
ActiveDeep Tech
Engineering-led companies solving hard problems.
OpportunisticVI · Approach
How we work.
I
Initial submission
Send a short overview of the company, the round and the use of funds.
II
Introductory meeting
A first conversation with the founders to understand the business and the people.
III
Due diligence
Focused review of financials, market and legal — at no cost to the company.
IV
Term sheet & closing
Terms agreed individually and documented in standard convertible note documentation.
V
Active partnership
Patient support after closing, through to conversion and beyond.
VII · Team
The people.
Hans Christoph Grether
Delegierter des Verwaltungsrates
Hans Christoph Grether leads Grether Family Office as Delegierter des Verwaltungsrates. He sets the office’s strategic direction and oversees its investment activity, from the stewardship of family and client assets to the convertible note financing extended to growth-stage companies. Under his leadership, the office pairs long-term, patient capital with the discretion and rigour expected of a Swiss family office.
Henri Alves
Chief Financial Officer
Senior finance executive with a strong background in Swiss private banking, institutional finance, and complex mergers and acquisitions. Experienced in navigating high-value transactions, financial structuring, capital allocation, and strategic financial management, with exposure to the standards and culture of leading Swiss financial institutions, including Pictet.
Combines rigorous financial analysis with a strategic, transaction-oriented mindset, bringing expertise in financial governance, risk management, and value creation. Adept at working with senior stakeholders on complex corporate transactions and long-term financial strategy, with a focus on discretion, precision, and sustainable growth.
VIII · Contact