About Jason
Jason Marshall brings a unique perspective to his Rhode Island practice. Originally from Chicago, Jason has called Rhode Island home for over 25 years, offering clients the perfect balance of local knowledge and outside perspective.
This combination provides a distinct advantage to clients seeking discretion with their personal matters – Jason understands the local landscape intimately while maintaining the professional distance that many clients value when handling sensitive estate planning concerns.
After gaining valuable experience at prestigious law firms, Jason founded Marshall Law Offices in 2013 with a vision to provide sophisticated estate planning services with a more personalized approach than larger firms can offer.
Jason’s background in complex tax law and estate planning, combined with his commitment to building lasting client relationships, has established him as a trusted advisor to high net worth individuals and families.
Jason received his undergraduate degree in Economics from the University of Illinois in 1988 and his law degree from Chicago-Kent College of Law in 1994. He is licensed to practice law in Rhode Island, Connecticut, Massachusetts, and Illinois.
Jason resides in South Kingstown with his wife Sara. In his spare time, he enjoys traveling to Chicago to visit family and clients, exploring new destinations with his wife, and spending as much time as possible with their five adult children.

Professional Recognition
A speaker and lecturer on advanced estate planning and tax issues, Jason has received national recognition as a leading attorney and advisor to affluent individuals. Jason was previously selected by Worth magazine as one of the Nation’s Top 100 Attorneys in the area of trusts, estates, tax, fiduciary advice, and probate.
More recently, he was featured as one of the top rated lawyers in the Boston metropolitan area and recognized by Martindale-Hubbell as a Legal Leader for trust and estate law in The American Lawyer magazine and The National Law Journal.
Affiliations
Jason is past President and Director of the Estate Planning Council of Rhode Island, and a past member of the Professional Advisors Council at the Rhode Island Foundation. He is also a member of the Rhode Island Bar Association where he is active on the Probate and Trust Committee, and is a member of the Connecticut Bar Association, active on the Estates and Probate Section.
A speaker and lecturer on advanced estate planning and tax issues, Jason has received national recognition as a leading attorney and advisor to affluent individuals. Jason was previously selected by Worth magazine as one of the Nation’s Top 100 Attorneys in the area of trusts, estates, tax, fiduciary advice, and probate.
More recently, he was featured as one of the top rated lawyers in the Boston metropolitan area [read more] and recognized by Martindale-Hubbell as a Legal Leader for trust and estate law in The American Lawyer magazine and The National Law Journal.
Jason is involved in many community activities and has served as a board member and on committees for numerous charitable organizations. He is a past Chairman of the board of directors of South County Home Health (formerly VNS Home Health Services) and serves as pro bono legal counsel for The Tomorrow Fund. He also serves on the board of directors of South County Health (formerly South County Hospital Healthcare System) and as Chair of its Professional Advisor Group and Chair of its Governance Committee.