CSSI Services

CSSI Services CSSI is the premier company for engineering-based cost segregation studies in America. Accelerated depreciation and repair regulations for U.S. tax applications.

Our objective is to facilitate maximum tax savings which improves our client's cash flow, allowing businesses to grow, evolve, and flourish. Stay compliant, save money.

The Section 179D Energy-Efficient Building Deduction has a termination date, and it's coming fast. Properties that begin...
06/01/2026

The Section 179D Energy-Efficient Building Deduction has a termination date, and it's coming fast.

Properties that begin construction after June 30 will no longer be eligible, but if you've already built or renovated, there's still time to claim what you've earned, including deductions you may have missed.

Don't leave money on the table. Request a free analysis today.

https://cssi.marketing/179d-deduction

Most short-term rental investors are leaving serious money on the table at tax time. The STR tax loophole is real, but y...
05/29/2026

Most short-term rental investors are leaving serious money on the table at tax time. The STR tax loophole is real, but you have to know how to qualify for it.

We broke down everything you need to know, including a 2026 tax prep checklist and FAQ at the link below.

https://cssi.marketing/str-loophole-2026

Most businesses doing R&D work never claim the tax credits they've already earned, not because they don't qualify, but b...
05/27/2026

Most businesses doing R&D work never claim the tax credits they've already earned, not because they don't qualify, but because they didn't know they did.

The R&D Tax Credit isn't just for pharmaceutical companies and defense contractors. If your team is improving products, developing software, or solving genuine technical problems, there's a good chance you qualify.

We broke down exactly who qualifies, what counts, and what the IRS is actually looking for. Worth a read if you haven't looked into this yet.

https://cssi.marketing/rd-tax-credit-qualifications

Writing code counts as R&D. And the IRS will pay you for it. This software startup worked with CSSI to identify $2,090,5...
05/26/2026

Writing code counts as R&D. And the IRS will pay you for it.

This software startup worked with CSSI to identify $2,090,500 in qualified research expenses, and walked away with $167,240 in combined federal and state tax credits.

The best part? The work was already being done. We just helped them get credit for it. Learn more at the link below:

https://cssi.marketing/rd-tax-credits-cse-study-software-startup

The One Big Beautiful Bill is reshaping how family offices approach tax planning, liquidity, and long-term wealth preser...
05/21/2026

The One Big Beautiful Bill is reshaping how family offices approach tax planning, liquidity, and long-term wealth preservation.

Join CSSI for a 60-minute briefing on what's changed and how engineering-based strategies like cost segregation and R&D tax credits can help you accelerate deductions, increase cash flow, and create greater flexibility for reinvestment and generational planning.

Save your seat → https://cssi.marketing/family-office-webinar

Our next CPE date is set and our team will be diving into the powerful R&D Tax Credit.Join us Tuesday June 9th as our te...
05/19/2026

Our next CPE date is set and our team will be diving into the powerful R&D Tax Credit.

Join us Tuesday June 9th as our team discusses how to calculate the R&D Tax Credit and how to claim in on Form 6765.

Register for free at the link below:
https://cssi.marketing/June-2026-cpe-sp

R&D Tax Credits aren't just for tech companies. Food and beverage businesses that develop new products, improve formulat...
05/15/2026

R&D Tax Credits aren't just for tech companies. Food and beverage businesses that develop new products, improve formulations, or engineer better production processes may qualify for credits they never knew existed.

Click the link below to see how this food and beverage company leveraged an R&D Tax Credit study to claim $193,776 in total tax credits.
https://cssi.marketing/rd-case-study-food-beverage

A new House bill could restore Section 179D as a permanent tax incentive.Here's what commercial building owners and thei...
05/13/2026

A new House bill could restore Section 179D as a permanent tax incentive.

Here's what commercial building owners and their advisors should do before the 2026 deadline, regardless of how the legislation unfolds.

https://cssi.marketing/new-179d-legislation

If your company is doing qualifying R&D work, you may already be sitting on a significant tax credit.The catch is the IR...
05/07/2026

If your company is doing qualifying R&D work, you may already be sitting on a significant tax credit.

The catch is the IRS requires proof. Not just that the work happened, but that it meets a specific four-part test. Without contemporaneous records, even legitimate research can be disallowed.

We just published a short guide breaking down what documentation actually looks like, why it matters beyond just audit risk, and how strong records can maximize, not just protect, your credit.

Learn more at the link blow:
https://cssi.marketing/rd-tax-credit-documentation

Cost segregation is a valuable tool for maximizing tax savings from your commercial properties through accelerated depre...
05/05/2026

Cost segregation is a valuable tool for maximizing tax savings from your commercial properties through accelerated depreciation.

This mixed use property owner saw those benefits with a first-year tax savings of $141,798!

See how cost segregation can benefit you today at the link below!
https://cssi.marketing/cs-case-study-mixed-use

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