Margaret O. Costello
Associate
Suite 2100
Biography
Maggie is an associate in the Corporate & Finance practice group, a member of the Private Equity practice, and a member of the Economic Development & Public Finance industry team. Her practice focuses on representing private equity funds and private and public companies in a variety of transactional matters, including mergers and acquisitions, joint ventures, private offerings, and commercial transactions.
In addition to transactional matters, Maggie has experience counseling clients on corporate governance and operational matters, entity selection, and formation. She also has experience assisting clients in securing economic development tax incentives and grants from various state and local agencies.
Maggie graduated with honors from Tulane University School of Law, receiving a Juris Doctor. She also graduated from Tulane University A.B. Freeman School of Business, where she received a Master of Business Administration.
Experience
- Represented a private investment firm in its acquisition of a commercial and residential fencing company and the financing of the same through a senior line of credit and mezzanine loan.
- Represented a real estate private equity firm, and one of its assets, a luxury mountain resort and hotel, in its debt refinancing with private equity financing sources.
- Represented a private investment firm’s portfolio company in its acquisition of a regional seller and installer of prefabricated and custom windows and doors.
- Represented multiple real estate sponsors in the equity financing of multi-family apartment developments.
- Represents a private investment firm in connection with its acquisitions of and investments in manufacturing, distribution, and business services companies in the Southeastern United States.
- Represented the sellers in the sale of a prominent hospitality portfolio located in Highlands, North Carolina.
- Represented a regional provider of commercial HVAC and refrigeration installation and maintenance in its sale to a private equity buyer.
- Represented a regional manufacturer’s representative for commercial HVAC products in its sale to a private equity buyer.
- Represented an e-commerce company in its sale to a publicly traded company.
- Represented a private equity buyer in its acquisition of a regional manufacturer of stair components and an additional add on acquisition.
- Represented a private equity buyer in its acquisition of a pet-supply and training equipment e-commerce company.
- Represented a third-party retirement plan administrator in its sale to a private equity buyer.
- Represented a private equity buyer in its acquisition of a labor management business for the trade show industry.
- Represented a luxury bath product manufacturer in its sale to a UK-based private equity firm.
- Represented a regional broker and seller of non-standard, auto, homeowners, renters, commercial and motorcycle insurance in its sale to a private equity buyer.
- Represented a strategic buyer in its acquisition of a producer of treatment chemicals for drinking water.
- Represented the sellers of a hospice and palliative care services provider in Georgia and South Carolina in a sale to a private investment firm.
Credentials
- Tulane University School of Law, Juris Doctor,magna cum laude
- Order of the Coif
- Louisiana State Bar Association, Corporate and Business Law Section Award
- CALI Award in Business Reorganization & Bankruptcy Procedure
- Tulane University A.B. Freeman School of Business, Master of Business Administration
- Georgia State University, Bachelor of Arts – Sociology and Political Science,cum laude
- State of Georgia
- American Bar Association
- Atlanta Bar Association
Recognition
- Best Lawyers: Ones to Watch in America®, Corporate Law, Mergers and Acquisitions Law, 2023-25
News & Insights
- NewsAGG Increases Number of Attorneys Recognized in 2025 Edition of The Best Lawyers in America® With Four Named “Lawyer of the Year”August 15, 2024 | Rankings & Recognition | News Releases | Arnall Golden Gregory LLP
- NewsAGG Represents Old Edwards Hospitality Group in Sale to the Whitley FamilyJuly 3, 2024 | News Releases | Arnall Golden Gregory LLP
- NewsAGG Increases Number of Attorneys Recognized in 2024 Edition of The Best Lawyers in America® With Three Named “Lawyer of the Year”August 17, 2023 | Rankings & Recognition | News Releases | Arnall Golden Gregory LLP