

Cameron (“Cam”) Cosby is a tax partner at Sullivan & Worcester in Washington, D.C. Cam's practice focuses on domestic taxation, with an emphasis on real estate investment trusts (REITs), particularly UPREITs, and other real estate companies.
Nationally recognized for his work in REIT initial public offerings, mergers and acquisitions, REIT conversions, joint ventures and going-private transactions, Cam has represented public and private REITs in an array of real property sectors including: data centers; single-family and multi-family residential; net-lease properties; hotels and travel centers; self-storage facilities; retail properties; office buildings; industrial properties; healthcare properties, including senior living facilities; communications towers; digital billboards; mortgage loans; parking facilities; solar, wind, and other power infrastructure; timberlands; as well as vineyards and other agricultural properties. Cam also works extensively with real estate-related income tax credits, including low-income housing tax credits, historic rehabilitation tax credits, and new markets tax credits.
Before joining Sullivan & Worcester LLP, Cam was a partner at another international law firm in Washington, D.C. He writes and speaks frequently on current tax issues. In addition to his active practice, Cam serves on the Board of Trustees of the Southern Federal Tax Institute, is a member of the Advisory Council for the Tax Conference at William & Mary School of Law, is a member of the Partnership and Real Estate Committees of the American Bar Association Tax Section, is a member of the Government Relations Committee of the National Association of Real Estate Investment Trusts, is a member of the Tax Policy Advisory Committee of the Real Estate Roundtable, and is a member of the Tax Policy Advisory Committee of the Investment Company Institute.
Cameron (“Cam”) Cosby is a tax partner at Sullivan & Worcester in Washington, D.C. Cam's practice focuses on domestic taxation, with an emphasis on real estate investment trusts (REITs), particularly UPREITs, and other real estate companies.
Nationally recognized for his work in REIT initial public offerings, mergers and acquisitions, REIT conversions, joint ventures and going-private transactions, Cam has represented public and private REITs in an array of real property sectors including: data centers; single-family and multi-family residential; net-lease properties; hotels and travel centers; self-storage facilities; retail properties; office buildings; industrial properties; healthcare properties, including senior living facilities; communications towers; digital billboards; mortgage loans; parking facilities; solar, wind, and other power infrastructure; timberlands; as well as vineyards and other agricultural properties. Cam also works extensively with real estate-related income tax credits, including low-income housing tax credits, historic rehabilitation tax credits, and new markets tax credits.
Before joining Sullivan & Worcester LLP, Cam was a partner at another international law firm in Washington, D.C. He writes and speaks frequently on current tax issues. In addition to his active practice, Cam serves on the Board of Trustees of the Southern Federal Tax Institute, is a member of the Advisory Council for the Tax Conference at William & Mary School of Law, is a member of the Partnership and Real Estate Committees of the American Bar Association Tax Section, is a member of the Government Relations Committee of the National Association of Real Estate Investment Trusts, is a member of the Tax Policy Advisory Committee of the Real Estate Roundtable, and is a member of the Tax Policy Advisory Committee of the Investment Company Institute.
Boston, MA – Sullivan & Worcester has announced that the firm and its attorneys have been highly ranked in the 2026 Chambers High Net Worth Guide. In the 2026 Guide, the firm and partner Carole Bass were again ranked in the Private Wealth Law: Mid-Market – New York category, with partner Douglas Schneidman newly ranked. Rankings are based on extensive research and interviews with peers and clients around the country.
Boston, MA – Sullivan & Worcester has been selected by Massachusetts Lawyers Weekly for its "Empowering Women" award for the fourth consecutive year, recognizing the firm’s ongoing commitment to elevating, supporting, and empowering women in the legal profession. The annual recognition honors law firms that have demonstrated a strong commitment to supporting women in the profession by fostering opportunities for leadership, professional development, mentorship, and career advancement. “This honor underscores Sullivan’s long-term dedication
New York City Department of Finance (“NYC DOF”) recently began notifying property owners by mail that they may be subject to the City’s new Non-Primary Residence Surcharge, which will be imposed annually on certain high-value residential properties that are not used as primary residences.[i] Although the surcharge is commonly referred to as the “Pied-à-Terre Tax,” it applies to a broader range of non-primary residences. Receipt of a notice does not necessarily
On July 29, 2026, the Securities and Exchange Commission (the "SEC") notified Nasdaq that it had received notices of intention to petition for review of the SEC's July 22, 2026 order approving Nasdaq's proposed rule change requiring listed companies to maintain a minimum Market Value of Listed Securities ("MVLS") of $5 million. Pursuant to Rule 431(e) of the SEC's Rules of Practice, the July 22, 2026 approval order has been
Sullivan & Worcester represented long-term client Olibra LLC, the owner of the Bond smart-home connectivity platform, in its acquisition by Somfy Group, a global leader in the motorization and automation of openings and closures for homes and buildings. Bond will continue to operate independently under its existing leadership team while benefiting from Somfy's global resources, industry expertise and long-term investment. The transaction brings together Somfy's expertise in motorization and automation with
On July 22, 2026, the Securities and Exchange Commission (the “SEC”) approved Nasdaq's amended proposed rule for a new continued listing requirement requiring Nasdaq-listed companies to maintain a minimum Market Value of Listed Securities (“MVLS”) of $5 million. The SEC approved the proposal as modified by Amendment No. 1 following a lengthy process that generated significant comments from market participants, issuers, investors, exchanges, law firms, and industry groups. The new rule
Geoffrey Wynne will participate in a panel discussion at ITFA's 52nd Annual International Trade and Forfaiting Conference alongside Ailsa McNeil, Director at Texel, and Hernan Mayol, Board Member and Representative of ITFA Americas and Chair of ITFA’s Latin America Regional Committee (LARC). The session, titled “Financing the future: From defence to critical raw materials,” will be moderated by Clarissa Dann, Editorial Director at Deutsche Bank AG. The session will explore how trade
Geoffrey Wynne will present a breakout session, together with Paul Coles of Orbian, at ITFA's 52nd Annual International Trade and Forfaiting Conference, titled: “From template to transaction: What works, what doesn’t, what banks change.” The session will explore how banks and market participants use ITFA templates and guidance in live trade finance transactions. Using concrete case examples, the session will examine where standard documentation works well, where it needs to be adapted and
Douglas S. Stransky, partner and leader of the Tax Practice Group, has published a new post on the LexisNexis blog examining a recurring problem in cross-border acquisitions: entity classification errors discovered in tax due diligence. Using a hypothetical fact pattern in which a target’s foreign subsidiary never filed its check-the-box election, the post explains why classification mistakes persist, how a missing Form 5471 can leave the assessment statute open indefinitely under
Simon Cook, in his role as ITFA's Head of Education, will jointly moderate a Q&A on “The next generation: Three emerging leaders, three ideas”, together with Charlie O'Mulloy, chair of ITFA’s Emerging Leader Committee and Associate Banker at EBRD, at ITFA’s 52nd Annual International Trade and Forfaiting Conference in Split, Croatia on September 9. The Q&A will follow the presentations made by the finalists of the 2026 ITFA Emerging Leader
Boston, MA – Sullivan & Worcester has announced that the firm and its attorneys have been highly ranked in the 2026 Chambers High Net Worth Guide. In the 2026 Guide, the firm and partner Carole Bass were again ranked in the Private Wealth Law: Mid-Market – New York category, with partner Douglas Schneidman newly ranked. Rankings are based on extensive research and interviews with peers and clients around the country.
Boston, MA – Sullivan & Worcester has been selected by Massachusetts Lawyers Weekly for its "Empowering Women" award for the fourth consecutive year, recognizing the firm’s ongoing commitment to elevating, supporting, and empowering women in the legal profession. The annual recognition honors law firms that have demonstrated a strong commitment to supporting women in the profession by fostering opportunities for leadership, professional development, mentorship, and career advancement. “This honor underscores Sullivan’s long-term dedication
New York City Department of Finance (“NYC DOF”) recently began notifying property owners by mail that they may be subject to the City’s new Non-Primary Residence Surcharge, which will be imposed annually on certain high-value residential properties that are not used as primary residences.[i] Although the surcharge is commonly referred to as the “Pied-à-Terre Tax,” it applies to a broader range of non-primary residences. Receipt of a notice does not necessarily
On July 29, 2026, the Securities and Exchange Commission (the "SEC") notified Nasdaq that it had received notices of intention to petition for review of the SEC's July 22, 2026 order approving Nasdaq's proposed rule change requiring listed companies to maintain a minimum Market Value of Listed Securities ("MVLS") of $5 million. Pursuant to Rule 431(e) of the SEC's Rules of Practice, the July 22, 2026 approval order has been
Sullivan & Worcester represented long-term client Olibra LLC, the owner of the Bond smart-home connectivity platform, in its acquisition by Somfy Group, a global leader in the motorization and automation of openings and closures for homes and buildings. Bond will continue to operate independently under its existing leadership team while benefiting from Somfy's global resources, industry expertise and long-term investment. The transaction brings together Somfy's expertise in motorization and automation with
On July 22, 2026, the Securities and Exchange Commission (the “SEC”) approved Nasdaq's amended proposed rule for a new continued listing requirement requiring Nasdaq-listed companies to maintain a minimum Market Value of Listed Securities (“MVLS”) of $5 million. The SEC approved the proposal as modified by Amendment No. 1 following a lengthy process that generated significant comments from market participants, issuers, investors, exchanges, law firms, and industry groups. The new rule

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