Sean Robertson
Founding Partner
Sean Robertson is a distinguished attorney with over 21 years of experience, dedicated to serving high-net-worth individuals, business owners, seniors, and financial advisors with sophisticated estate planning needs. As the Managing Partner of Gateville Law Firm—a boutique practice specializing in estate planning, tax strategy, business planning, and asset protection—Sean crafts personalized legal solutions designed to preserve and grow your wealth.
With a robust background in real estate, transactional law, and advanced tax planning, Sean has negotiated complex commercial leases and orchestrated thousands of high-value transactions. Beyond his expertise in business and real estate matters, he is deeply committed to representing seniors and their families, understanding the unique challenges of downsizing, relocating, and managing inherited property. His deep knowledge extends to handling bond-in-lieu-of-probate transactions, providing strategic alternatives that help avoid the traditional probate process when appropriate.
Honed through challenging economic cycles, including the 2008 recession, Sean’s strategic approach combines practical insights with rigorous academic training. A graduate of DePaul University College of Law and the University of Illinois at Urbana-Champaign, he leverages his in-depth understanding of wealth and tax law to help clients navigate today’s dynamic financial landscape. His advanced asset protection strategies—including advising on Series LLCs and holding companies—ensure that your investments remain secure against potential legal claims and creditor actions.
Trusted by real estate brokers, financial advisors, investors, business owners, and especially seniors seeking thoughtful estate planning solutions, Sean Robertson is committed to providing the expert guidance you need to protect and grow your assets for generations to come.
Bar Admissions:
- Illinois, 2003
Education:
- DePaul University College of Law, Chicago, Illinois May 2003, J.D.
- University of Illinois, Urbana-Champaign, 1997, B.A. Political Science
Honors and Awards:
- Business Partner of the Year, Realtor Association of Fox Valley, 2025
- America's Best Advocates, Top 10 Law Firm, 2025
- Best of the Fox, Readers' Choice, 2023, 2024, 2025
- Alumni Alliances, University of Illinois, Urbana-Champaign, 2022
- 10 Best Client Satisfaction Estate Planning, 2018
- Elite Lawyer, 2018 to the Present
- AVVO 10.0 Rating, 2018 to the Present
- Former Board Member, DePaul University College of Law Board of Directors
- Former Board Member, DePaul University College Entrepreneurial Center
Memberships:
- Member, Illinois State Bar Association
- Member, Joliet Regional Landlord Association, 2025
- Member, Wealth Counsel, 2024 to the Present
- Member, Oswego Chamber of Commerce, 2022 to the Present
- Member, Yorkville Chamber of Commerce, 2021 to the Present
- Member, Three Rivers Association of Realtors, 2021 to the Present
- Member, Realtors Association of the Fox Valley, 2021 to the Present
- Member, Kiwanis Club of Yorkville (Illinois), 2021 to the Present
- Member, Illinois Real Estate Lawyers Association, 2021 to the Present
- Former Member, Mainstreet Organization of Realtors, 2020 and 2021
- Estate Planning Faculty Presenter, National Business Institute, 2018 to the Present
Published Works & Certifications
- Real Estate and Landlord Estate Planning & Asset Protection, Three Rivers Association of Realtors, 2024
- Panelist, Landlord Conference, Three Rivers Association of Realtors, 2024
- 10 Things New Trusts and Estates Attorneys Need to Know, National Business Institute, 2022
- 10 Things New Trusts and Estates Attorneys Need to Know, National Business Institute, 2020
- Trusts from Start to Finish, National Business Institute, 2020
- Advanced Business Contracts, Advanced Contract Examination and Drafting Techniques, National Business Institute, 2019
- Buying and Selling a Business, Start to Finish, National Business Institute, 2019
- IRA Trusts: Protecting Retirement Accounts, National Business Institute, 2019
- Conduit Retirement Trusts, National Business Institute, 2019
- Special Needs Trusts: Planning for Disabled Beneficiaries, National Business Institute, 2018
- Estate Planning and Planned Giving, The Salvation Army, 2012
- Estate Planning 101, Faith Community of St. Sabina, 2011
- Real Estate Asset Protection Seminar: Recovery From 2008 Recession
- Business Start-Up 101 Presentation to Entrepreneurship Class, Chicago State University
Relevant Employment Positions:
- Founding Partner, Gateville Law Firm, 2018 to the Present
- Partner, Robertson Legal Group, LLC, Partner, 2004-2018
Gateville Law Firm
provides excellent estate
planning service.
"Sean's team is knowledgeable, responsive, and dedicated to ensuring clients feel confident in their decisions. Sean & Connie take the time to answer questions thoroughly, making complex legal matters easy to understand."


In Service of Your Wealth
If you own assets with a value in excess of $1 million, it is crucial to take steps to ensure that your wealth will be preserved and passed on to future generations. Failure to do so could lead to financial losses due to lawsuits, actions by creditors, or other issues. You will also need to be aware of potential estate taxes that may apply at both the state and federal levels. When working with our attorneys, you can make sure your wealth will be properly preserved.
Our estate planning team can provide guidance on the best asset protection options that are available to you. With our help, you can reduce the value of your taxable estate to ensure that more of your wealth will be preserved for future generations. We can also help you use asset protection trusts or other methods to make sure your property will be safeguarded. Our goal is to provide you with assurance that your family will be prepared for whatever the future may bring.
Blog
The Truth About Wills, Trusts, and Avoiding Probate
Posted on December 1, 2025 in Estate Planning
Second Marriages, First Mistakes: How Joint Tenancy and Poor Planning Can Disinherit Your Children
Posted on November 30, 2025 in Estate Planning
Why Every Illinois Educator Needs an Estate Plan
Posted on November 24, 2025 in Estate Planning
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