Firm Profile > Blum & Grob Attorneys at Law Ltd > Zurich, Switzerland

Blum & Grob Attorneys at Law Ltd
PO BOX 3954

Transport Tier 2

At Blum & Grob Attorneys at Law Ltd, the transport team is particularly known for its expertise in the aviation sector, and frequently receives instructionsHans-Ruedi Grob; Philippe Wenker from aircraft manufacturers and leasing companies, both domestic and international airlines, and numerous other aviation-related businesses that provide maintenance, interior completion, cargo and catering services to the industry. With joint practice heads Hans-Ruedi Grob and Philippe Wenker at the helm, the firm advises on contracts related to sale, purchase and refinancing, as well as assisting with all regulatory matters, including registration of aircraft and mortgages, and other security instruments in all major jurisdictions.

Private client Tier 3

Blum & Grob Attorneys at Law Ltd fields a team of specialised lawyers who advise clients on matters ranging from inheritance and tax law to foundations, aviation and labour issues. Natalie Peter has more than 20 years of experience in the field and specialises in tax and immigration. She is supported by counsel and estates specialist Claude Blum.

Practice head(s):


The private client team of Blum & Grob has superb skills in law and tax and provides excellent services covering all needs of private clients in Switzerland but also in international matters. The knowledge in trust and taxation laws is outstanding.’

Natalie Peter is an expert in the tax field and serves the interests of clients to full satisfaction. She has in depth know-how with regard to tax matters for private clients and trust structures.’

Real estate and construction Tier 3

Blum & Grob Attorneys at Law Ltd covers a broad range of matters in the construction and real estate space, spanning financings, transactions and M&A, tenancy law and contentious work. Investors, architects and building companies regularly approach the team to assist them in all stages of construction projects. David Schwaninger is an expert in the area, with a special focus on new real estate technologies. Gian Marchet Kasper regularly advises on mezzanine financing, while Adrian Hirzel knows real estate acquisitions well. André Girguis is also noted.


The attorneys have fundamental knowledge in real estate as well as digitalization topics.’

The team at B&G is fast and supporting on all levels. They are advisors and think outside the box.’

David Schwaninger is a stand-out partner with a make-it-happen attitude.’

Gian Marchet Kasper is very smart, willing to go the extra mile and a true business partner.’

Key clients

Property One Partners AG

Property One Investors AG

WieInvest AG

WieRe AG

Betalon TU AG


Albalon I AG

Loreda Real Estate AG


Siemens Switzerland Ltd

Zaltana Properties Ltd

Partner Real Estate AG


Viva Real AG GmbH

Verit Immobilien AG

Hyrock AG

The firm: Blum&Grob Attorneys at Law was founded in 2008 coming out of the former well known law firms Blum Attorneys at Law and Rosenow Grob Schilling, both with a long lasting background in Swiss law. All in all Blum&Grob stands for more than 50 years of law tradition and experience. Located in the heart of Zurich we employ 60 highly qualified employees, passionate for legal and committed to client benefit.

Types of work undertaken: Blum&Grob’s clients include medium-sized as well as large companies, both Swiss and foreign, organizations, start-ups, entrepreneurs and private individuals. In general we advise clients in all areas of commercial and private law, help them in processes of change, assist in complex transactions and efficiently pursue their claims in disputes.

We are a front runner in aviation and asset finance, have a highly qualified team in private client services (including tax), are well known in the area of banking and finance and intellectual property and have a proven track record in litigation and arbitration.

The firm’s activity is built on professional expertise, experience, teamwork and a trusting relationship between client and attorney. To that end, we foster a personal and open approach with our clients. At the same time, we think and act entrepreneurially, offer pragmatic solutions, and are distinctively cost conscious in carrying out a mandate.

Department Name Email Telephone
Asset finance and aviation Dr. Hans-Ruedi Grob
Capital markets Christian Koller
Corporate and commercial law Gian Marchet Kasper
Employment law Adrian Hirzel
Financial services and regulatory Dr. Albrecht Langhart
Inheritance and estates / trusts and foundations (private clients) Dr. Claude Blum
Inheritance and estates / trusts and foundations (private clients) Dr. Natalie Peter
Intellectual property and information technology / competition Dr. André Wahrenberger
Life sciences Ralf Rosenow
Litigation / arbitration André A. Girguis
Mergers and acquisitions / corporate finance Christian Koller
Real estate David Schwaninger
Restructuring and insolvency André A. Girguis
Sports law Dr. André Wahrenberger
Tax law Rolf Schilling
Tax law Dr. Natalie Peter