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Meet The Team


Blair Streitenberger, Esq.

Founder and Managing Attorney

Lowcountry Legal Solutions, LLC was founded by Blair Streitenberger with his goal of serving the lowcountry communities his family has called home for almost 30 years. Blair's family moved to Hilton Head Island in 1991 and his parents taught at Hilton Head Middle School and M.C. Riley Elementary. ​Blair graduated from Hilton Head High School in 2006 and went to the University of South Carolina, graduating in 2010. During college, he worked as an intern for Moore, Taylor, & Thomas, P.C. and as a first mate on the Schooner Welcome on Hilton Head during the summers.

Blair attended law school at Charlotte School of Law in North Carolina. After law school, Blair received a fellowship position with South Carolina Legal Services in Charleston, South Carolina. After completing the fellowship, Blair took a Staff Attorney position with SC Legal Services in Greenville, where he practiced for three years, managing some 50+ cases at a time in the areas of family law, landlord-tenant, and IRS Tax Controversies.

Missing the saltwater, Blair moved back to Hilton Head in December, 2017, and practiced with a long-time local office, The Law Offices of James F. Berl, P.C. and practiced in general civil litigation, personal injury, family law, and other areas. Always having desired to be his own boss and hang a shingle, Blair started Lowcountry Legal Solutions, LLC in December, 2018. Blair currently lives on Hilton Head with his black lab, Moose, who is the de facto mascot for LLS, LLC.

Blair enjoys spending as much time as possible on the local waters and is a USCG Captain.  Blair occasionally runs charter sunset, dolphin, and fishing tours for local boat companies.  Blair is in the 2020 Hilton Head and Bluffton Chamber Leadership Program, serves as a tax preparer for Volunteer Income Tax Assistance (VITA), and has served on the Drone Law Task Force.  


Matthew Costa, CPA, CFP®, MAcc

Senior Tax & Business Advisor

Matthew Costa is a CPA and CERTIFIED FINANCIAL PLANNER™ with over 12 years of tax and financial advisory experience.  Besides serving as Senior Tax and Business Advisor at Lowcountry Legal Solutions, Matt is a founding partner at Bestgate Wealth Advisors and Principal RCN & Associates LLC, an accounting firm. 

Before partnering in these firms, Matt was a tax manager at RSM, a top 5 national accounting firm. Matt graduated from the University of South Carolina with a Masters of Accountancy and a Bachelor’s of Science in Finance, Accounting, and directed study in Economics in 2010.  Matt works closely with both business owners and individuals to maximize their financial potential and security.  In a world of changing technology and demographics, Matt is passionate about helping people create, preserve, and transfer wealth in the most tax efficient and future minded way.

Matt serves over 50 individuals for their cryptocurrency tax compliance needs and also considers cryptocurrency for portfolio use and hedging in his wealth advisory practice Bestgate Wealth Advisors.  Matt believes thinking outside the box and using new asset classes in a portfolio are essential to keep up with a rapidly changing economic landscape.

Matt has close ties to the lowcountry and attended Hilton Head High School graduating in 2006. In his free time enjoys golf and boating with all the South Carolina lowcountry has to offer.

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