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About Us | CSSI
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Testing on’t worry, we’re not asking you to upgrade to premium. But maybe you can give us a nice review (if you like it)? We put a lot of effort into the free plugin

National Reach Combined with Local Market Insight

CSSI delivers expert knowledge and valuable insights at both the federal and state levels, working with your team and tax professionals to navigate the complexities of tax-based incentives and property credits.

Over the years, we have built one of the largest networks of tax professionals in the country, able to assess the impact and opportunity in your local area while delivering a level of service unmatched in our industry.

Tap into our national directory of experts or select your property’s location to match with a local representative.

Meet the CSSI Leadership Team

Our team brings perspective and knowledge around tax
specialty areas to support your team and tax professionals.

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CSSI has worked with more than 20K clients across the U.S., saving them over $55 billion


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CSSI Reviews From Business Owners Like You

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“The relationship I have with CSSI is important to my CPA practice. We have a great partnership and we share ideas with each other regularly. I feel like I have expert tax council in my corner.”

J.B. 
CEO