Your Trusted Advisor for Engineering-Based Tax Studies
Our Services
Cost Segregation Studies
Engineering-based cost segregation studies completed by CSSI Services, with CostSegTaxPro providing advisory guidance on planning, coordination, and tax application.
§179D Energy Studies
Engineering-based §179D energy studies for energy-efficient building owners and designers, supported by clear advisory guidance.
R&D Credit Studies
Engineering-based R&D tax credit studies completed by CSSI, with advisory guidance and preliminary no-cost benefit analysis.
Preliminary Benefit Reviews
No-cost projections and analysis that help tax professionals, building owners, and business owners decide if and when a specialty study makes sense before moving forward.
Tax Insight Discussions
Direct access to Craig Campbell, EA, for tax talk about strategy, impact, and application of cost segregation, §179D, and R&D credits
Our Experts
Craig Campbell is a former tax practice owner and active Enrolled Agent with over two decades of tax preparation and IRS representation experience. No longer accepting new tax return clients as of 2023, Craig now works exclusively in specialty tax studies. He is trusted by tax professionals, building owners, and business owners as a go-to resource for advisory insight and the procurement of engineering-based tax studies. Craig enjoys talking through tax impact and strategy with tax professionals, working alongside them to help evaluate fit, timing, and projected impact—so they can confidently advise their clients on cost segregation, §179D, and R&D tax studies.
Craig Campbell, EA – Tax Study Advisor
Jennifer Campbell serves as the Managing Member of CostSegtaxpro, LLC, overseeing client intake, project coordination, and ongoing communication across specialty tax study engagements. She is often the first point of contact for tax professionals, building owners, and business owners, helping identify potential opportunities, gather initial information, and ensure projects move forward smoothly and on schedule. Jennifer works closely with CSSI Services and with Craig to support a clear, organized process from initial inquiry through study completion. She has extensive familiarity with residential rental properties, including short-term rental and Airbnb-style investments, and frequently helps surface opportunities that owners and advisors may not initially recognize.
Jennifer Campbell – Operations & Client Advisory Lead
A Trusted Advisory Resource for Specialty Tax Studies
CostSegtaxpro focuses exclusively on engineering-based specialty tax studies, including cost segregation, §179D, and R&D credits. We do not prepare tax returns or offer general tax services.
Before any study is initiated, Craig Campbell, EA, provides an upfront, no-cost advisory review that typically includes a written projection outlining likely savings ranges and tax impact, helping advisors and owners evaluate whether a study makes sense. All engineering work is completed by CSSI Services, the most trusted provider of engineering-based tax studies, with over 23 years of experience and more than 60,000 studies completed. CSSI stands behind its work and provides audit support and defense of its studies at no additional charge if they are ever questioned.
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What Do Clients Say About Us?
“I felt comfortable referring my client to Craig because I knew he had retired from tax return work and would never take my clients. He focuses entirely on specialty tax studies.”
“Craig helps me attract better tax clients while supporting my current ones with cost segregation, §179D, and R&D studies. I trust him to support my firm, not compete with it.”
“I chose Craig because he is a licensed tax professional who understands returns. He helped uncover over $150,000 in additional deductions from two rental properties.”
“Craig coordinates with my CPA, CSSI performs the study, and my CPA applies it. I saved six figures and stayed fully supported throughout the process.”
“These studies saved us around $300,000 in income taxes, allowing us to grow our hotel portfolio.”
