Diserio Martin O'Connor & Castiglioni LLP

William A. Durkin III

Stamford, Connecticut
(203) 358-0800
(203) 348-2321

Bill Durkin has served as Managing Partner of the firm since 1993, and concentrates his practice in the areas of corporate and commercial real estate. He advises clients in mergers and acquisitions, equity and debt financings, and general corporate matters, and represents owners, lenders and tenants in commercial real estate transactions. He has represented early stage businesses in connection with their organization, contract, employment, capital raising, financing and relating growth needs, as well as investors in early state and established business.

Among his clients are businesses in the following industries:

  • Financial Services;

  • Hedge Funds;

  • Technology;

  • Private Equity;

  • Software Developers;

  • Manufacturing;

  • Consumer Goods Producers;

  • Sales, Marketing, and Services;

  • Commercial Real Estate Landlords, Tenants, Investors, Owners and Developers.

Sample transactions include representation of:

  • Ownership in sale of leading paper brokerage business to Japanese trading company;

  • Purchaser in acquisition of financial services software companies;

  • U.S. subsidiary of German manufacturer of medical devices in its organizational and transaction requirements;

  • Hedge Fund in sale of broker dealer subsidiary;

  • Manufacturer of sophisticated electronic components for industrial and military use;

  • Healthcare services company in start-up, capital raising, and general corporate matters;

  • Nasdaq listed company in 30 office leases across the United States;

  • Leading consumer goods company in acquisition of warehouse and office facility in Illinois;

  • Automobile dealership in real estate and corporate matters;

  • Leading Hedge Fund in acquiring and leasing 1 million plus square feet of office space;

  • Financial services firm in 60,000 square foot headquarter lease and subleases;

  • Owner of commercial office park as leasing counsel;

  • High net worth individuals and families in private equity investments.

Bill is a past President of the Fairfield County Bar Association and was a member of the Association's Board of Directors from 1997 through 2008.  He has also served as a member of the Association's Executive Committee, Vice President, Secretary and Treasurer of the Association, and as Co-Chair of its Business Law Committee. Bill is a Director of the Connecticut Hedge Fund Association, a member of the Real Estate Finance Association of Connecticut, and the Connecticut Bar Association Section on Corporations and other Business Organizations.  He is a former trustee of the Brunswick School in Greenwich, Connecticut, where he served as Chairman of the Board of Trustees from 2009 through 2012, and Executive Committee Member from 1997 through 2008, during which time he chaired the Board’s Law Committee.  He is also a former Trustee of the Darien Library and Stamford Symphony, and a former Director of the National Association of Industrial and Office Properties (NAIOP). Bill was the recipient of the 2010 Professionalism Award from the Fairfield County Bar Association.