Firm Profile > Aceris Law > Geneva, Switzerland

Aceris Law

With Harvard, Oxford and Sorbonne-trained lawyers admitted to multiple Bars in Western Europe, Eastern Europe and North America, Aceris Law is an international arbitration law firm with highly-experienced, multilingual lawyers.

Aceris Law has represented clients from five continents in numerous successful international commercial arbitrations, investor-State arbitrations, construction arbitrations and public international law disputes, typically facing the world’s largest international corporate law firms.

In addition to offering some of the highest-quality legal representation available for international arbitration and ADR, Aceris Law offers exceptional value  to its clients. According to clients, Aceris is “hands down the best team of lawyers you could have in your corner. With Aceris Law you are guaranteed to receive the best legal representation in the field of international arbitration for very reasonable legal fees.”

Aceris Law provides arbitration legal representation globally and has permanent access to offices in 120 countries to meet and work with clients. While based in Geneva, its lawyers remain permanently accessible by videoconference and regularly travel to the place of their clients.

Aceris Law’s lawyers have previously provided legal representation for ICC, ICSID, LCIA, ICDR, SIAC, SCC, DIAC, HKIAC, JAMS, CICA, PCA, OHADA and ad hoc (often UNCITRAL) arbitrations, as well as under the rules of lesser-known institutions.

The lawyers of Aceris Law have achieved outstanding results in the following fields:

    • Investor-State Arbitrations
    • Construction & Engineering Arbitrations
    • Distribution Industry Arbitrations
    • Financial Industry Arbitrations
    • International Sale of Goods Arbitrations
    • Infrastructure-related Arbitrations
    • Intellectual Property Arbitrations
    • Automotive and Aviation Arbitrations
    • Agricultural Industry Arbitrations
    • Oil & Gas Arbitrations
    • Hospitality Industry Arbitration
    • Steel Industry Arbitration
Department Name Email Telephone
Partner William Kirtley +41 22 819 1812
Associate Nina Jankovic +41 22 819 1812
Associate Zuzana Vysudilova +41 22 819 1812
Special Counsel Marie-Camille Pitton +41 22 819 1812
Office manager Mouna Baakil +41 22 518 0158
Photo Name Position Profile
Ms Nina Jankovic  photo Ms Nina Jankovic Associate at Aceris Law LLC As an international arbitration lawyer with considerable…
Mr William Kirtley  photo Mr William Kirtley Partner at Aceris Law LLC The international arbitration lawyer William Kirtley, principal…
Mme Marie-Camille PITTON  photo Mme Marie-Camille PITTON Partner at Aceris Law LLC Dr. Marie-Camille Pitton is a Harvard-, Oxford-…
Ms Zuzana Vysudilova  photo Ms Zuzana Vysudilova Associate at Aceris Law LLC Zuzana, a Slovak native, is a French-educated…
All Staff : 10
All main business languages
ABA (American Bar Association)
IBA (International Bar Association)
IAI Paris (International Arbitration Institute)
ASA below 40
ICC France
Dubai International Arbitration Centre (DIAC)


COMPANY/FIRM: CEO of Book Publishing Company

TESTIMONIAL: Hands down the best team of lawyers you could have in your corner. With Aceris Law you are guaranteed to receive the best legal representation in the field of international arbitration for very reasonable legal fees.


COMPANY/FIRM: CEO of Gas Processing Company

TESTIMONIAL: From the bottom of my heart, I wish to thank you and convey to you my most sincere appreciation for the diligent and professional work [of Aceris]. I have worked with lawyers for 20 years and you have helped to bring back my faith in lawyers.


COMPANY/FIRM: CEO of Upeco Trading A.G.

TESTIMONIAL: I highly recommend [William Kirtley and Aceris] for international arbitration legal counsel. He is an excellent practitioner and a top-notch professional. He is highly reliable and will never give up on a client’s case. He is very experienced as legal counsel and a very good person as well. He can see all details which could be decisive in the arbitration. His goal is to bring meritorious cases to victory, and he does the best of it. I recommend him as a professional and a person who never abandons a case halfway, no matter how hard a case can be.

CLIENT: C.P. and D.L

COMPANY/FIRM: Owners and Directors of Communication and Technology Solutions Company

TESTIMONIAL: Aceris’ lawyers are friendly and professional, their legal drafting is excellent, their legal fees were reasonable, their strategy was successful, and we highly recommend Aceris Law for international disputes that are capable of resolution through arbitration, which is their specialty. Although they are based in Europe, the dispute was in California and our company is located in the Philippines, the time zones posed no practical constraints since they are well-equipped with the latest technology and available around the clock by videoconference.


COMPANY/FIRM: Director at Oxfirst Ltd. & Fellow at Said Business School, University of Oxford

TESTIMONIAL: Aceris team did not count his time to assure our business went from success to success. As an attorney, William Kirtley is reliable, dynamic, loyal and committed. I can recommend William to any firm who is looking for an attorney who will seek 100% to guard the interests of his client.