Understanding your business
is our starting point
New technologies
are our best challenge
We specialize in the
development and financing
of real estate operations

Tailored solutions and strategies for each case

We are a full service law firm with a strong business law practice. We advice to both local and international companies in many industries, including the legal aspects of businesses’ digital transformation.

Practice Areas

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Blockchain, Cryptocurrencies and Decentralized Finance
Corporate and Commercial Law
Labour Law
Tax Law
Family Wealth Structuring
Mergers and Acquisitions
Corporate Governance & Compliance
Litigation, Arbitration and Disputes
Intellectual Property
Real Estate
Debt Restructuring and Insolvency
Technologies and Digital Transformation

Work at K&S

Do you want to be part of Klein & Sasiain’s team of professionals?

Our firm is constantly growing.

Send us your CV at info@kysabogados.com and, when there is a vacancy that fits your profile and expectations, we will contact you.

Clients testimonials

"Klein and Saisian developed the legal structure of countless real estate trusts, and through their advice and sound management achieved the financing of some of the most important works in Buenos Aires."

Miguel Ludmer

Interwin, www.interwin.com.ar/

"Fernando and his team have been providing me legal advice for many years in all my technological ventures, which are quite a few. They are always available, are super professional, and it is impressive how updated they’ve become over the past several years in technology issues. I think they will quickly become a reference to consult regarding digital world issues."

Pablo Sabatella

Exactly Finance

"I don't make any decision, about my business or personal matters, without consulting Klein & Sasiain first. Whatever they tell me is the way to go for me. I have total confidence in their advice. It is a firm that, in order to provide advice, gets right into the business"

Pablo Rivero

Don Julio, ranked 13 among The World 50 Best Restaurants

"Klein & Sasiain practically functions as an external legal department of our company. I can rely on them and their advice, and I especially emphasize that they are 24/7 professionals, always available when we need them."

Guillermo Patiño-Meyer

Civisa Media, www.vsi-civisa.com

"We trust Klein & Sasiain in all our legal matters in Argentina. Their services are provided with competence and due professional attention."

William Russell

Head of Legal, VSI International, www.vsi.tv

"Fernando is a very detailed and zealous professional, and he managed to generate a lot of empathy with our team. For many years he has been assisting Grupo Addiuva almost daily on corporate matters of the most diverse nature, always with professionalism and the understanding that in business time is of the essence."

Guillermo Tamayo

Legal Counsel and Partner of the Addiuva Group and Ikatech, www.addiuva.com

"Klein & Sasiain has been with us since the beginning of our operations in Argentina. They have assisted us in a wide range of matters, such as stock option plans, regulatory framework for stablecoins, contractual and foreign exchange issues. His performance is excellent. We have also found K&S's network of lawyers with various law firms in Latin America very useful".

Marcos Mauro and Germán Rozo

DataArt, www.dataart.com

"Fernando represented us in the transaction for the sale of the Fiserv Inc. shareholdings to a local group in Argentina. He demonstrated firmness and hability in the negotiations. He also advised us on the company's business, demonstrating competence and international experience."

Eric Delgado

FISERV Inc., www.fiserv.com

"K&S Abogados successfully advised, represented and negotiated a settlement agreement with an important multinational company in the agrochemical industry, within the framework of an arbitration proceeding before the Arbitration Chamber of the Buenos Aires Grain Exchange. They are very professional and had total availability to attend a significant case for us."

Pablo Ceccoli

Agronort S.A

Contact Us

+54 11 5278 6296


Working Hours
Monday to Friday – 9 a.m. to 7 p.m.

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