Kosteliz & Co., Attorneys at Law, is a leading boutique law firm specializing in complex civil-commercial litigation, class actions and derivative suits, direct and indirect tax litigation, administrative law, and white-collar offenses. The firm represents business entities, public and private companies, high-profile businesspeople, and key figures in the public sphere.

The firm handles particularly intricate and high-stakes cases, including shareholder and partnership disputes, derivative suits and class actions, officers’ liability claims, administrative petitions in diverse regulatory areas, as well as proceedings in the fields of tax and white-collar crime.

The firm is led by Adv. Yaron Kosteliz, one of Israel’s most prominent commercial litigators. The legal team includes top-tier attorneys with extensive experience and advanced academic degrees, who work with thoroughness, creativity, and an uncompromising approach. We view personal and professional client service as a core value, and are committed to excellence, discretion, and integrity throughout every stage.

Since its founding, the firm has been consistently ranked among Israel’s and the world’s top law firms by directories such as Dun’s 100, BDiCode, Legal 500, and Chambers & Partners.

About us
News & Events

11/11/2020

תקדים: ביהמ"ש ביטל כתב אישום נגד רמי לוי תקשורת ובכיריה בשל איחור בהגשה

21/05/2020

המאפיות נגד המדינה: עתרו לבג"ץ להעלות שוב את מחירי הלחם ב-5%

Practice areas

White collar crimes

class actions and derivative suits

Civil-commercial litigation

Administrative law

Planning and construction law

Military law

Our Team

The founder of the firm, Adv. Yaron Kosteliz, is “thought to be one of the stars in the ‘white collar’ crime sector in Israel” (Globes, 9.3.2014), and his clients consist of key persons in the world of business and politics in Israel. By the time he was 29 years old, Adv. Kosteliz was rated in the first list of “40 by 40” in G magazine, belonging to Globes newspaper (2006), and was included in the lists of exceptional lawyers in “The Marker” newspaper (2008), “Ma’ariv” (2011 and 2013), and on the website “Nana10” (2014).

More about our team

Among the firm’s clients

The Minister Avigdor Liberman

Mr. Michael Chernoy

Mr. Modi Zandberg

Mr. Amos Luzon

Mr. Jacky Ben-Zaken

Rabbi Bakshi Doron

Mr. Shlomo Nehama

Mr. Shlomo Lahiani

Mr. Yossi Ben David

Mr. Ya’akov Efrati

Mr. Ilan Moreno

Mr. Eli Yitzhaki

Mr. Uriel Yitzhaki

Mr. Daniel Vaknin

Ikea

Delek drilling

Housing and Construction Company

Kost Forer Gabbay & Kasierer (Ernst & Young (Israel))

Berman Bakery

Givat Shmuel Municipality

Jewish National Fund

The Israeli Land Development Corporation

Angel Bakeries

Dubek Ltd

ELECTRA CONSUMER PRODUCTS

Ayalim Association

Gush Etzion Regional Council

The Ofra Settlement

Local Zebulon Planning and Building Committee