Best Lawyers® has ranked Kozusko Harris Duncan for their 2026 Best Law Firms in the following categories:
National Tier 1 for Trusts and Estates
Regional Tier 1 New York City for Trusts and Estates
Regional Tier 2 Chicago for Trusts and Estates
Kozusko Harris Duncan is recognized as 2026 Private Client Law Firm of the Year in Washington, D.C. by Corporate INTL Magazine Global Awards.
Rashad Wareh has once again been recognized by Best Lawyers® in America for Trusts and Estates – New York City, NY
Kozusko Harris Duncan and George N. Harris, Jr. received the following ACQ5 Law Awards:
Family Trust Law Firm of the Year
Business Sucession Law Firm of the Year
Wealth and Business Continuity Law Firm of the Year
George N. Harris, Jr. – High Net Worth Lawyer of the Year
The Lawyer Network Annual Award 2025 for International Tax Law Firm of the Year in New York was presented to Jennie Cherry, Kozusko Harris Duncan.
Each year, The Lawyer Network Annual Awards, based in the UK, identifies and honors the most respected lawyers and law firms who lead the way on a global stage.
The Lawyer Network Annual Awards has named Kozusko Harris Duncan winner of the Private Client Law Firm of the Year in Washington, D.C. – 2025
The award celebrates the most successful, innovative and forward-thinking lawyers across the world.
Chambers and Partners has ranked the following Kozusko Harris Duncan attorneys in the High Net Worth Guide for 2025:
Donald Kozusko, District of Columbia and USA Eastern Region
Rashad Wareh, New York and USA Eastern Region
Stanly A. Barg, New York
Eric Dorsch, New York
Andrew Stone, Illinois
Kozusko Harris Duncan’s New York and Washington, DC offices are once again ranked in the High Net Worth Private Wealth Law Firm Guide.
Kozusko Harris Duncan is recognized as 2025 International Tax Law Firm of the Year in New York by Corporate INTL Global Awards.
Best Lawyers® has ranked Kozusko Harris Duncan for their 2025 Best Law Firms in the following categories:
Tier 1 National Rankings for Trusts and Estates
Tier 1 Regional–New York Rankings for Trusts and Estates
Rashad Wareh is recognized in Thoughts Leaders USA by Lexology Index (formerly Who’s Who Legal)
Rashad Wareh has once again been recognized by Best Lawyers® in America for Trusts and Estates – New York City, NY
Kozusko Harris Duncan’s New York and Washington, DC offices are once again ranked in the High Net Worth Private Wealth Law Firm guide.
Chambers and Partners has once again ranked the following Kozusko Harris Duncan attorneys in the High Net Worth Guide for 2024:
Donald Kozusko, District of Columbia and USA Eastern Region
George Harris, District of Columbia
Rashad Wareh, New York and USA Eastern Region
Stanly A. Barg, New York
Eric Dorsch, New York
Best Lawyers® has once again ranked Kozusko Harris Duncan Tier 1 in the following Best Law Firms categories:
Best Lawyers® has ranked the following Kozusko Harris Duncan Attorneys in The Best Lawyers in America 2024 Edition.
Don Kozusko (Washington, D.C. Office)
Rashad Wareh (New York Office)
Kozusko Harris Duncan’s New York and Washington, DC offices are once again ranked in the High Net Worth Private Wealth Law Firm guide.
Chambers and Partners has once again ranked the following Kozusko Harris Duncan attorneys in the High Net Worth Guide for 2023:
Donald Kozusko, District of Columbia and USA Eastern Region
George Harris, District of Columbia
Rashad Wareh, New York and USA Eastern Region
Stanly A. Barg, New York
Eric Dorsch, New York
Stan Barg and Rashad Wareh are nominated by peers and again selected for the Private Client Global Elite Directory 2023.
The Private Client Global Elite Directory was created with the awareness that referrals and recommendations are absolutely key to the private client sector. To know that someone is an excellent technical practitioner is not enough, it is integral for the maintenance of client relationships that the advisors you refer to your clients are good personality fits and masters of communication. As such, rather than a listing of private client advisors as chosen by a third party, these are the top selected individuals as chosen by their own peers within the private wealth industry.
The New York office of Kozusko Harris Duncan is once again recognized by U.S. News & World Report and Best Lawyers Magazine as a Best Trusts and Estates Law Firm – Tier One Metropolitan New York City.
The Washington DC office of Kozusko Harris Duncan is once again recognized by U.S. News & World Report and Best Lawyers Magazine for the following:
Best Trusts and Estates Law Firm – Tier One Metropolitan Washington DC
Best Litigation-Trusts and Estates Firm – Tier One Metropolitan Washington DC
Kozusko Harris Duncan is once again recognized by U.S. News & World Report and Best Lawyers Magazine as a Best Trusts and Estates Law Firm – National Tier One.
The following Kozusko Harris Duncan attorneys have been recognized in the 2023 Edition of Best Lawyers in America:
Rashad Wareh and Stan Barg are recognized as Thought Leaders by, and listed in, Who’s Who Legal – Private Client 2022.
Chambers and Partners ranks the following Kozusko Harris Duncan attorneys in High Net Worth Guide for 2022:
Kozusko Harris Duncan is pleased to announce that Stan Barg, Rashad Wareh and Eric Dorsch have been selected for the Private Client Global Elite Directory 2022/2023. The Global Elite Directory is the list of the world’s most respected lawyers advising UHNW clients, all of whom have been recommended by their peers in the industry. The Directory is used by the legal community looking for referrals, family offices and professional advisers.
Kozusko Harris Duncan is recognized as 2022 Private Client Law Firm of the Year in Washington, D.C. by Corporate INTL Global Awards.
Kozusko Harris Duncan is recognized by U.S. News & World Report and Best Lawyers Magazine as a Best Trusts and Estates Law Firm – National Tier One.
The Washington DC office of Kozusko Harris Duncan is recognized by U.S. News & World Report and Best Lawyers Magazine for the following:
Best Trusts and Estates Law Firm – Tier One Metropolitan Washington DC
Best Litigation-Trusts and Estates Firm – Tier One Metropolitan Washington DC
The New York office of Kozusko Harris Duncan is recognized by U.S. News & World Report and Best Lawyers Magazine as a Best Trusts and Estates Law Firm – Tier One Metropolitan New York City.
Chambers and Partners ranks the following Kozusko Harris Duncan attorneys in High Net Worth Guide:
Kozusko Harris Duncan’s Washington, DC office ranks in High Net Worth Law Firm guide.
The New York office of Kozusko Harris Duncan has been recognized by U.S. News Report and Best Lawyers as a Best Trust and Estates Law Firm – Tier One Metropolitan New York City
The Washington DC office of Kozusko Harris Duncan has been recognized by Best Lawyers Magazine as a Best Trust and Estates Law Firm – Tier One Metropolitan Washington DC
Kozusko Harris Duncan is recognized by U.S. News and Best Lawyers as a Best Trusts and Estates Law Firm – National Tier One. Best Lawyers Magazine is the oldest and most respected published guide to the legal profession.
Kozusko Harris Duncan is pleased to announce that Rashad Wareh has been selected for the Global Elite Directory 2021 in conjunction with Legal Week International. The Global Elite Directory is the list of the world’s most respected lawyers advising UHNW clients, all of whom have been recommended by their peers in the industry
Kozusko Harris Duncan is proud to announce that the firm has been selected as the Private Client Law Firm of the Year – 2021 by Global Law Experts. Global Law Experts is a guide to the leading legal professionals throughout the world, celebrating excellence, innovation and performance across legal communities
Kozusko Harris Duncan has been recognized as Private Client Law Firm of the Year in Washington, D.C. – 2021 in the Corporate International Global Awards
Rashad Wareh is recognized as Thought Leader by and listed in Who’s Who Legal – Private Client 2021.
Andrew Stone elected an Academician of The International Academy of Estate and Trust Law. March, 2020
U.S. News Media Group (U.S. News) and Best Lawyers have released the 2020″Best Lawyers” rankings. Kozusko Harris Duncan received the following rankings:
Rashad Wareh and Stan Barg have been recognized as Global Leaders by and listed in Who’s Who Legal – Private Client 2020.
Kozusko Harris Duncan’s Washington DC office is ranked by Chambers and Partners in 2020 High Net Worth Law Firm Guide.
The following Kozusko Harris Duncan lawyers are ranked by Chambers and Partners in 2020 High Net Worth Guide.
U.S. News Media Group (U.S. News) and Best Lawyers have released the 2019 “Best Lawyers” rankings. Kozusko Harris Duncan received the following rankings:
Kozusko Harris Duncan has been recognized as the Closely-Held Business Law Firm of the Year in Washington D.C in the 2019 Corporate International Global Awards.
Kozusko Harris Duncan’s Washington DC office is ranked by Chambers and Partners in 2019 High Net Worth Law Firm Guide.
The following Kozusko Harris Duncan lawyers are ranked by Chambers and Partners in High Net Worth Guide.
Stan Barg, Eric Dorsch and Rashad Wareh, are named to Legal Week’s Private Client Global Elite 2018, which includes 250 of the world’s top private client attorneys.
U.S. News Media Group (U.S. News) and Best Lawyers have released the 2018 “Best Lawyers” rankings. Kozusko Harris Duncan received the following rankings:
Kozusko Harris Duncan was selected as the Trust & Estate Law Firm of the Year in Washington D.C. in the 2018 Corporate Intl Global Awards.
Acquisition International has recognized Kozusko Harris Duncan as the Most Outstanding Private Client Tax Advisory Firm 2018 – Washington, D.C.
ACQ5 recognizes Kozusko Harris Duncan in their 2018 Law Awards as:
Finance Monthly has selected Kozusko Harris Duncan as the Private Client & Offshore Law Firm of the Year – USA
Global Law Experts has recognized Kozusko Harris Duncan as the Tax Planning Law Firm of the Year in Washington D.C.
Don Kozusko, Rashad Wareh and Stan Barg have been recognized as Leading Private Client Attorneys by and listed in Who’s Who Legal – Private Client 2018.
U.S. News Media Group (U.S. News) and Best Lawyers have released the 2017 “Best Lawyers” rankings. Kozusko Harris Duncan received the following rankings:
U.S. News Media Group (U.S. News) and Best Lawyers have released the 2017 “Best Law Firms” rankings. Kozusko Harris Duncan received the following rankings:
Kozusko Harris Duncan was selected as the Trust & Estate Law Firm of the Year in Washington D.C. in the 2017 Corporate International Global Awards.
Wealth & Finance International has recognized Kozusko Harris Duncan as the Most Innovative Law Firm 2017 in Washington D.C.
Kozusko Harris Duncan was awarded an Excellence in Tax Law Services in the Corporate LiveWire Global Awards 2017.
Acquisition International has recognized Kozusko Harris Duncan as a winner in their 2017 Legal Excellence Awards as their exclusive expert in Finance.
Global Law Experts has recognized Kozusko Harris Duncan as the Trust and Estate Law Firm of the Year 2017 in Washington D.C. in the Client Choice category.
Acquisition International recognizes Kozusko Harris Duncan as the winner of their Best Overall Law Firm 2017-USA
Acquisition International has recognized Stephen K. Vetter as their Tax Law Specialist of the Year – Mid-Atlantic USA.
Kozusko Harris Duncan was selected by Chambers USA as a Washington D.C. Leading Law firm in Private Wealth Law.
The following Kozusko Harris Duncan lawyers were selected by Chambers USA as Leading Individuals in Private Wealth Law.
Lawyer Monthly has selected Kozusko Harris Duncan as the Private Client and Offshore – Law Firm of the Year – USA 2017.
Don Kozusko, Rashad Wareh and Stan Barg have been recognized as Leading Private Client Attorneys by and listed in Who’s Who Legal – Private Client 2017.
ACQ5 recognizes Kozusko Harris Duncan in their 2017 Global Awards as:
Stan Barg and Rashad Wareh, have been named to Legal Week’s Private Client Global Elite 2017, which includes 250 of the world’s top private client attorneys.
Rashad Wareh has been appointed as the Chair of the Individual Tax and Private Client Committee of the International Bar Association.
Kozusko Harris Duncan has been recognized by Corporate America as Washington D.C.’s Most Innovative Law Firm.
Andrew Stone has been elected a Fellow of the American College of Trust and Estate Counsel (“ACTEC“). ACTEC is a professional organization of approximately 2,600 lawyers who have demonstrated the highest level of integrity, commitment to the profession, competence and experience as trust and estate counselors. Individual lawyers meeting the criteria for membership are nominated by Fellows of the College, and are subjected to careful review by both state and national membership selection committees prior to consideration by the regents of the College. Fellows are selected on the basis of experience, professional reputation and ability in the fields of trusts and estates and on the basis of having made substantial contributions to these fields through lecturing, writing, teaching and bar activities.
Kozusko Harris Duncan LLP was selected as Leading Law Firm in Private Wealth Law in the Chambers USA 2016 awards.
Kozusko Harris Duncan has been recognized by Corporate America as 2016 Washington D.C.’s Most Outstanding for Partnership Transactions.
Kozusko Harris Duncan has been recognized as Washington D.C.’s Best Tax Law Attorneys.
Acquisitions International has recognized Kozusko Harris Duncan in the 2016 Global Excellence Awards as: Most Outstanding for Partnership Transactions.
Don Kozusko, Rashad Wareh and Stan Barg have been recognized as Leading Private Client Attorneys by and listed in Who’s Who Legal – Private Client 2016.
U.S. News Media Group (U.S. News) and Best Lawyers have released the 2016 “Best Law Firms“ rankings. Kozusko Harris Duncan was placed in
Tier 1 of Trusts & Estates Law nationally
Tier 1 for Litigation – Trust & Estates and for Trusts & Estates Law in Washington DC
Tier 1 for Trusts & Estates Law in New York City
Kozusko Harris Duncan was selected as the Trust & Estate Law Firm of the Year in Washington D.C. in the 2016 Corporate International Global Awards.
Kozusko Harris Duncan was selected as the Wills, Trusts & Estates Law Firm of the Year in the Corporate LiveWire Global Awards 2016.
Kozusko Harris Duncan was selected as the Trust & Estate Law Firm of the Year in Washington D.C. in the 2016 Global Law Experts Annual Awards.
Kozusko Harris Vetter Wareh LLP was selected as the Best for Federal Tax Matters 2016 – Washington DC as part of the Corporate America Legal Elite awards for 2016.
The following Kozusko Harris Duncan lawyers were selected by Chambers USA as Leading Individuals in Wealth Management.
Stanley Barg has been elected to serve on the Worldwide Council of STEP, an international professional association of over 20,000 lawyers, accountants and other financial professionals from over 95 countries who deal with family wealth and succession planning. Stan has been elected to the STEP Worldwide Council as a representative of the branches and chapters of STEP throughout the United States. Council members are the primary channels for communication and representation between STEP members and the organization’s central governance bodies.
Stan Barg received a Founder’s Award from the Society of Trust and Estate Practitioners (STEP). The Founder’s Award recognizes contributing members of STEP who have gone above and beyond what could ever be reasonably asked of any Council member, Committee member or other volunteer.
U.S. News Media Group (U.S. News) and Best Lawyers have released the 2015 “Best Law Firms“ rankings. Kozusko Harris Duncan was placed in
Tier 1 of Trusts & Estates Law nationally
Tier 1 for Litigation – Trust & Estates and for Trusts & Estates Law in Washington DC
Tier 2 for Trusts & Estates Law in New York City.
Don Kozusko was selected by Chambers USA as a Leading Individual in Wealth Management – Nationwide.
Kozusko Harris Duncan was selected as the Trust & Estate Law Firm of the Year in Washington D.C. in the Editor’s Choice category of the 2015 Corporate International Legal Awards.
Kozusko Harris Duncan received the following awards as part of the Corporate America M&A awards for 2015:
Kozusko Harris Duncan was selected as the Trust & Estate Law Firm of the Year in Washington D.C. in the Editor’s Choice category of the 2015 Global Law Experts Annual Awards.
Rashad Wareh and Stan Barg have been recognized as Leading Private Client Attorneys by and listed in Who’s Who Legal – Private Client 2015.
Don Kozusko has been asked to head up a special project team for the Business Planning Committee of ACTEC that is developing ways to make education about trusts and family business practices more accessible for business-owning families.
U.S. News Media Group and Best Lawyers have released the 2014 “Best Law Firms” rankings. Kozusko Harris Duncan was placed in
Tier 1 of Trusts & Estates Law nationally
Tier 1 for Litigation – Trust & Estates and for Trusts & Estates Law in Washington DC
Tier 2 of Trust & Estates Law in New York City
Rashad Wareh and Stan Barg have been recognized as Leading Private Client Attorneys by and listed in Who’s Who Legal – Private Client 2014.
Rashad Wareh is recognized as a “Rising Star” by Private Asset Management (PAM) in the wealth management and family office industry.
Stan Barg was appointed Chairman of STEP USA.
Stan Barg was recognized by Citywealth as a member of its Leaders List in Private Wealth Management for North America.
Rebecca Dent was named in the New York Best Lawyers – Trusts and Estates – 2013 survey.
U.S. News Media Group (U.S. News) and Best Lawyers have released the 2013 “Best Law Firms” rankings. Kozusko Harris Duncan received the following rankings:
Kozusko Harris Duncan was selected Best Overall Law Firm at the Private Asset Management Awards 2013.
Stan Barg received a Founder’s Award from the Society of Trust and Estate Practitioners (STEP). The Founder’s Award recognizes contributing members of STEP who have gone above and beyond what could ever be reasonably asked of any Council member, Committee member or other volunteer.
Kozusko Harris Duncan was selected Best Law Firm – Client Service at the Private Asset Management Awards 2012.
Don Kozusko is named to the Washington Affairs Committee of ACTEC, which conducts a technical review of all official submissions by ACTEC to the U.S. tax authorities, such as the Treasury department as to proposed regulations.
Lindsey Bronstein has once again been recognized as a Rising Star by New York Super Lawyers (2017-2023).
