Client Focused Collaboration
Partnering with CSSI extends your firm’s capabilities, allowing you to offer specialized tax solutions that generate significant savings for your clients while maintaining full compliance and enhancing your professional relationship.
Expertise in Specialized Tax Incentives
Our engineering-based approach to cost segregation, R&D credits, and energy-efficient tax deductions provides technical expertise that complements your accounting knowledge.
Accurate and Compliant Analyses
We deliver detailed, methodically documented studies that adhere to IRS guidelines, ensuring your clients’ claims are both precise and defensible upon examination.
Enhanced Client Satisfaction
By offering specialized tax savings strategies, you become a more valuable advisor to your clients, strengthening retention and generating referrals for your practice.
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Who We Partner With
Tax Professionals Who Want to Deliver Enhanced Value
We collaborate with forward-thinking tax advisors who recognize the competitive advantage of offering specialized tax strategies. Our engineering-based approach complements your accounting expertise, allowing you to deliver comprehensive solutions without expanding your in-house capabilities.
CPAs & Accounting Firms
Tax professionals who prepare returns, provide tax planning, and advise clients on financial decisions can expand their service offerings with our specialized engineering-based strategies.
Wealth Advisors
Investment professionals managing client portfolios and developing comprehensive financial plans can incorporate our tax optimization strategies to improve overall returns.
Tax Attorneys & Advisors
Professionals who navigate complex tax matters and provide strategic tax guidance can leverage our engineering-based documentation to strengthen client positions and expand available planning options.
Real Estate Brokers & Agents
Real estate professionals facilitating property transactions can add value by connecting clients with tax strategies that improve investment performance and help close deals.
Complement Your Tax Services with Engineering Expertise
Our streamlined three-step process makes accessing your clients tax benefits simple and efficient.
Assess Client Eligibility
Review your client list for property owners who could benefit from our specialized tax strategies or simply share basic property details for a free preliminary analysis.
Detailed Engineering Analysis
Our engineers conduct an on-site inspection and review 150+ building components to identify all opportunities for accelerated depreciation, including flooring, lighting, electrical, plumbing, cabinetry, landscaping, and parking lots.
Tax Savings Delivered
We provide detailed documentation for your tax preparation and planning, including audit defense support at no additional cost. You maintain complete control of the client relationship while offering valuable additional tax saving strategies.
Connect With Our Team
Interested in partnering with CSSI? Let us know your specialty, and one of our team members will be in touch within the next business day.
Insights & Case Studies for You and Your Clients
179D Tax Deduction, Cost Segregation, R&D Tax Credits
Understanding Bonus Depreciation: A Guide for Real Estate Investors
Learn more179D Tax Deduction
Understanding ASHRAE Standards and Their Role in Section 179D Deductions
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179D Tax Deduction
Unlocking the Full Potential of Section 179D in 2025: What You Need to Know
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Says Client
Olena M.
Property Owner
Amazing service and super quick turnaround. We reached out to CSSI to perform a cost seg studies for our 3 multifamily properties. Received a call back within 10 minutes and initial estimate of high and low range of additional depreciation expenses within 48 hours. We also got a quote from other 3 local companies and not a single one came even close in terms of pricing, turnaround time or detailed outcome. One firm sent me 30 pages questionnaire and requested one million reports to even give me a quote and demanded a non-refundable deposit. We were able the schedule the inspection within days and my reports came in within 2 weeks just as promised. Thank you, Aaron, and CSSI Services.
5
Daan D.
Property Owner
Incredible experience working with our CSSI rep. He is very knowledgeable and communicative. He saved us a tremendous amount of money and I highly recommend him and his firm.
5
David D.
Property Owner
Great experience working with CSSI on my accounting services. Very professional service.
5
Jamie W.
Property and Business Owner
Very happy with the study that CSSI was able to get done for me and would recommend them.
5
John L.
Retail Property Owner
Recently used CSSI for two retail properties of mine. The cost seg studies turned out better than expected. I am a very happy client and will be using them on future studies.
5
Michael C.
Property and Business Owner
Enjoyed working with CSSI. Their expertise in cost segregation really helped us. The team is incredibly knowledgeable, professional, and always willing to go the extra mile to ensure we understand every step of the process. From start to finish, the service was seamless and exceeded our expectations.
5 