International Society of Primerus Law Firms
William S. Barrett
Practice Areas:

Roseland Attorney
William S. Barrett

Phone: 973.736.4600


Languages: English

William Barrett is a partner of the firm, a member of the firm’s executive committee, and chairman of the Corporate Practice Group. He has many years of experience specializing in business formations, mergers and acquisitions, private equity placements, commercial finance transactions, and intellectual property matters.

Bill often serves as outside general counsel to his clients, and advises them on issues concerning employment law compliance, structure of executive compensation programs and agreements, as well as business succession and related tax planning. His representative clients include commercial organizations and entrepreneurs in the areas of manufacturing, industry, service, banking, finance, construction, real estate development, and medical professionals of varying disciplines.

In addition to the many business sectors Bill serves, he is also recognized nationally as an authority in dental law, with unique expertise in dental and dental specialty practice transactions, practice sales and purchases, associate buy-ins, financing options and workouts, as well as an advisor to his clients  on personnel policies and regulatory compliance.

Areas of Practice

Corporate & Transactional  (Chair)

Dental Practice Counsel (Chair)

Bar Admissions

  • New Jersey, 1998
  • New York, 1999


  • University of Virginia School of Law, Charlottesville, Virginia, J.D.
  • Boston College, B.A.

Professional Association Memberships

  • New Jersey State Bar
  • New York State Bar
  • American Bar Association
  • Guild of Business Advisors
  • Dental Resource Alliance

Attorney News & Announcements

Fifteen Mandelbaum Salsburg Attorneys Included in Listing of 2012 Super Lawyers and 2012 Rising Stars in New Jersey Monthly Magazine


Contact This Firm

Mandelbaum Salsburg P.C.

3 Becker Farm Road
Suite 105
Roseland, NJ 07068
United States

Law Firm Contact: Robin F. Lewis

Tel: 973.736.4600

Fax: 973.325.7467



Member Since: 2006

Send Us An Email

Preferred Contact Method?

 Email Phone - AM Phone - PM

Disclaimer: Primerus and our member law firms welcome your emails, contact forms, phone calls and written letters. Contacting us does not create an attorney-client relationship. Please do not send any confidential information to Primerus or its member law firms until an attorney-client relationship has been established. Thank you and we look forward to serving you.

* Denotes Required Field