William E. Halmkin
T
(617) 338-2436
F
(617) 338-2880
William E. Halmkin is a tax and litigation partner in our Boston office. Prior to joining the firm, Mr. Halmkin was a partner in the Private Client and Business Group at Peabody Arnold LLP. Mr. Halmkin specializes in state tax planning and has extensive experience representing clients before administrative courts, including state and federal tax appeals at all levels. With over 25 years of tax law experience, Mr. Halmkin is a former chief of the Massachusetts Estate Tax Bureau and Deputy Commissioner of the Massachusetts Department of Revenue. He is a former faculty member in the Graduate Tax Program at Boston University School of Law and member of the State Tax Committee of Associated Industries of Massachusetts (A.I.M.).
Speaking Engagements
- Massachusetts Society of CPAs
- Numerous Bar Association Seminars
- Numerous Massachusetts Continuing Legal Education Seminars
Publications
- Out-of-State Vendor Can’t be Taxed, Massachusetts Lawyers Weekly (August 31, 2009)
- "Massachusetts Taxation & DOR Procedures" (co-author)
- "Massachusetts Real Estate Lien" (co-author)
- Numerous Massachusetts Continuing Legal Education Publications
Professional & Civic Activities
- American Bar Association
- Massachusetts Bar Association
- Boston Bar Association
News
- October 22, 2012
S&W Attorneys Named 2012 Massachusetts Super Lawyers
New England Super Lawyers Magazine - August 22, 2012
Sullivan & Worcester Attorneys Named in 2013 Best Lawyers®
The Best Lawyers in America 2013® - October 20, 2011
S&W Attorneys Named 2011 Massachusetts Super Lawyers
New England Super Lawyers Magazine - August 31, 2011
Sullivan & Worcester Attorneys Named in 2012 Best Lawyers® - October 19, 2010
S&W Attorneys Named Massachusetts Super Lawyers
New England Super Lawyers Magazine - August 5, 2010
Sullivan & Worcester Attorneys Named in 2011 Best Lawyers® - October 26, 2009
S&W Attorneys Named New England Super Lawyers
New England Super Lawyers Magazine - August 3, 2009
Sullivan & Worcester Attorneys Named in 2010 Best Lawyers®
The Best Lawyers in America 2010
Practices
- Aviation
- Business Owners & Investors Tax Planning
- Government Investigations & White Collar Defense
- Litigation
- State & Local Tax
- Tax
- Tax Controversies & Litigation
- Tax Planning for High Net Worth Individuals
Bar & Court Admissions
- Massachusetts, 1974
- U.S. District Court, District of Massachusetts
- U.S. Court of Appeals, District of Columbia Circuit
- U.S. Tax Court
- Supreme Court of the United States
Education
- LL.M., Taxation, Boston University School of Law, 1983
- M.S., Bentley College, 1976
- J.D., Suffolk University School of Law, 1974
- B.S., Boston University, 1971
Awards & Honors
- Best Lawyers in America (2010-2013)
- Massachusetts Super Lawyers (2005-2012)


