The Sell Sure Story
Years of Experience
Who We are
Experience That Protects Your Future
Whether you are preparing to exit a business, investing in commercial real estate, or navigating a residential transaction, our professionals work collaboratively to protect your interests and guide you forward with confidence.
Our Mission
To guide business owners, buyers, and real estate clients with trusted advice, strategic solutions, and a seamless process that maximizes value and supports confident decisions.
Our Vision
To be the most reliable partner in business brokerage and real estate, recognized for transparency, expertise, and results that drive long-term success.
Our Core Values
Guided by integrity, expertise, and client-focused support, we are committed to delivering trusted guidance, clear communication, and results clients can rely on.
Why Choose Us
Trusted Advisors for Business & Real Estate Decisions
Business Brokerage Services
Our business brokerage team helps owners and buyers navigate complex transactions with clarity and confidence. From accurate valuations to qualified buyers and structured deals, we manage the entire process with discretion, strategy, and results in mind.
Commercial Real Estate
We guide investors, developers, and business owners through commercial real estate opportunities with data-driven insights and market expertise. From acquisitions to sales, we help you make informed decisions that align with your long-term objectives.
Residential Real Estate
Buying or selling a home is a major milestone. Our residential real estate experts provide personalized service, local market knowledge, and clear guidance to ensure a smooth, confident, and successful transaction.
Meet Our Team
Experienced Advisors in Business & Real Estate
Our team brings together business brokers and real estate professionals dedicated to delivering clear guidance, strategic insight, and trusted expertise. Whether you’re selling a business, investing in commercial property, or buying or selling a home, we’re committed to supporting you with professionalism, integrity, and personalized service at every step.
Joseph D. Clark
CPA,CEPA
Independent Thinking, Proven Strategies, Your Success
Joseph D. Clark is a seasoned Certified Public Accountant with over 30 years of experience advising business owners and real estate investors. His career includes serving as Division Controller for a $150 million manufacturing entity and as Vice President of a diversified real estate conglomerate encompassing brokerage, property management, development, and construction.
Joe is a Founding Member of Tirabassi, Felland & Clark, LLC, a respected local CPA firm, and SellSure Group, Inc., which specializes in business brokerage, consulting, and commercial / residential real estate services.
Professional Affiliations:
- AICPA – American Institute of CPAs
- WICPA – Wisconsin Institute of CPAs
- IBBA – International Business Brokers Association
Joe also holds the Certified Exit Planning Advisor (CEPA) designation, enabling him to guide business owners through strategic succession and exit planning.
Throughout his career, Joe has consulted on numerous business and real estate transactions, leveraging advanced tax strategies to minimize tax liability and maximize returns.
“I will treat you like family. I’ll tell you what you need to know—not just what you want to hear.”
Known as an independent thinker and trusted advisor, many of Joe’s clients attribute their financial success and security to his guidance and unwavering commitment to excellence.
- Phone:262 945-0835.
- Email:jclark@tfccpa.com
Jeremiah "Jay" Clark
MSRE
Jay Clark, a Wisconsin Licensed Real Estate Sales Person, holds a Bachelor of Science in Psychology from the University of Wisconsin–Madison and a Master of Science in International Real Estate (MSRE) from Florida International University. His professional background includes direct sales to Fortune 500 companies, employment recruiting, and experience with a national real estate brokerage firm, where he collaborated with top brokers nationwide while completing his MSRE.
Jay is a co-founder of SellSure Group, Inc., specializing in business brokerage, commercial and residential real estate. He brings a unique perspective by combining advanced academic training with hands-on experience in sales and real estate transactions.
Jay also benefits from working alongside his mother, an experienced real estate agent, and his father, a local CPA and business broker—giving him a strong foundation in both real estate and business advisory services.
When he’s not working, Jay enjoys spending time with family, watching football and basketball, being outdoors, and playing piano.
“Where Vision Meets Integrity and Results.”
“Powered by MSRE knowledge and a team committed to delivering exceptional outcomes in commercial real estate.”
- Phone:(262) 287-6846
- Email:jjclark1532@outlook.com
Sheri Clark
Real Estate Professional
With more than 20 years of proven success in real estate, Sheri Clark has built her career on exceptional service, expert guidance, and a commitment to seamless, successful transactions. She is passionate about helping individuals, families, and businesses achieve their goals across residential and commercial real estate, always leading with integrity, professionalism, and results.
Sheri is proud to introduce SellSure Group, a dynamic real estate team featuring Sheri (residential), Jay (commercial), and Joe (business brokerage). Together, they provide unmatched expertise, innovative strategies, and personalized client care. Through SellSure Group, Sheri continues her mission to elevate industry standards and serve as a trusted resource for buyers, sellers, and investors alike.
Before launching her real estate career, Sheri gained extensive experience in sales, executive leadership, and corporate relations, working directly with major corporations in Chicago and serving in management at Coniker Systems, Inc. She also brings valuable experience in nonprofit work, conference coordination, and fundraising.
Beyond her professional accomplishments, Sheri has raised five children—an experience that has strengthened her empathy, resilience, and ability to lead with purpose.
Sheri brings experience, knowledge, and integrity to every transaction. Whether you’re buying, selling, or investing, SellSure Group at Southport Realty is dedicated to ensuring your real estate journey is handled with confidence and success.
“SellSure Group — Your Sure Path to Real Estate Success.”
- Phone:+1 (859) 254-6589
- Email:shericlarkrealestate@gmail.com
Our Associations
Preparing to buy or sell a business?
Connect with a trusted Sell Sure Group advisor.