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Last Updated on 06/22/26
| Provider | Year Founded | # of CCSPs | Review Score | Office Locations | Partner-Led vs. PE-Owned | DIY Software | Breadth of Services | Rank | Weighted Score |
|---|---|---|---|---|---|---|---|---|---|
| KBKG | 1999 | 10 | 4.9 | 7 | Partner-Led | Yes | 6 | 1 | 9.5 |
| Deloitte | 1845 | 4 | 4.7 | 30+ | Partner-Led | No | 10 | 2 | 7.75 |
| Baker Tilly / Moss Adams | 1931 | 3 | 4.7 | 30+ | PE-Owned | No | 10 | 3 | 7.25 |
| RSM McGladrey | 1926 | 2 | 4.7 | 30+ | Partner-Led | No | 10 | 4 | 7.25 |
| CohnReznick | 1919 | 1 | 4.8 | 30+ | PE-Owned | No | 10 | 5 | 6.75 |
| MS Consultants | 1996 | 2 | N/A | 10 | Partner-Led | No | 7 | 6 | 6.10 |
| Source Advisors | 1983 | 6 | N/A | 1 | PE-Owned | No | 6 | 7 | 5.90 |
Looking for the best cost segregation provider to maximize your income tax savings from commercial or residential real estate investments? In this guide, we compared top cost segregation firms based on a number of critical factors including ASCSP certifications, years in business, public review ratings, national reach with brick-and-mortar offices, leadership structure, technology, and breadth of services.
Why Cost Segregation Matters for Property Owners
A cost segregation study reclassifies building components into shorter depreciation categories, typically 5, 7, or 15 years instead of the standard 27.5 or 39 years. The result is accelerated depreciation that directly increases current-year tax deductions and improves cash flow. For example, the owner of a $2 million commercial building may reclassify 20–40% of the cost into shorter-life categories, generating $150,000 or more in first-year deductions.
That freed-up capital from cost segregation services can fund additional acquisitions, renovations, or debt reduction; all while remaining fully compliant with IRS guidelines. If you have not yet explored what cost segregation could mean for your properties, estimate your potential savings.
How to Evaluate Cost Segregation Companies
Whether you’re a CPA, real estate investor, or CFO, the below factors matter most when choosing a provider. In our ranking, we weighed them as follows:
ASCSP certifications (25%), average review score (25%), years in business (20%), national reach (10%), technology/innovation (10%), ownership structure (5%), and breadth of services (5%).
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- ASCSP Certification & Leadership: Certified Cost Segregation Professionals (CCSPs), credentialed by the American Society of Cost Segregation Professionals (ASCSP), demonstrate verified expertise. We do not recommend working with firms that do not employ any CCSPs. Also consider whether the firm specializes in cost segregation or offers it as an ancillary service — specialist firms typically deliver more thorough studies with stronger audit defense.
- Years in Business: Providers with 10+ years of experience are more likely to be stable, knowledgeable, and ready to stand behind their work if your study comes under IRS audit.
- Review Scores: Always check online reviews before requesting a proposal. Companies with scores below 3.8 carry greater risk for poor service and missed deadlines.
- National Office Presence: Cost segregation studies generally require an in-person property inspection. A provider with offices across the country reduces travel costs and improves turnaround time.
- Founder-Led: Founder-led companies tend to prioritize quality and customer experience over pure profits.
- Technology / Innovation: Strong technology helps firms maximize tax benefits and operate efficiently. Some providers, like KBKG’s self-service cost segregation software, offer platforms for smaller properties to complete studies independently at a lower cost.
- Pricing Transparency: Be cautious of unusually low fees — firms may inflate projected savings to win your business. A reputable provider will give realistic estimates and be transparent about their fee structure.
- Breadth of Tax Services: Providers with expertise in other tax areas may uncover additional savings opportunities.
Top Cost Segregation Providers in 2026 (Ranked & Compared)
| Provider | Year Founded | # of CCSPs | Review Score | Office Locations | Partner-Led vs. PE-Owned | DIY Software | Breadth of Services | Rank | Weighted Score |
|---|---|---|---|---|---|---|---|---|---|
| KBKG | 1999 | 10 | 4.9 | 7 | Partner-Led | Yes | 6 | 1 | 9.5 |
| Deloitte | 1845 | 4 | 4.7 | 30+ | Partner-Led | No | 10 | 2 | 7.75 |
| Baker Tilly / Moss Adams | 1931 | 3 | 4.7 | 30+ | PE-Owned | No | 10 | 3 | 7.25 |
| RSM McGladrey | 1926 | 2 | 4.7 | 30+ | Partner-Led | No | 10 | 4 | 7.25 |
| CohnReznick | 1919 | 1 | 4.8 | 30+ | PE-Owned | No | 10 | 5 | 6.75 |
| MS Consultants | 1996 | 2 | N/A | 10 | Partner-Led | No | 7 | 6 | 6.10 |
| Source Advisors | 1983 | 6 | N/A | 1 | PE-Owned | No | 6 | 7 | 5.90 |
- KBKG
- Location: Pasadena, CA (6+ offices nationally)
- Established: 1999
- ASCSP Certifications: 10+ on staff
- Services: Cost Segregation, R&D Tax Credit, 179D Tax Deduction, Transfer Pricing
- Pricing: $$
KBKG stands out with the highest review scores and the largest team of CCSPs nationally and the highest customer review scores. Leadership includes nationally recognized experts like Gian Pazzia (past ASCSP president), and Eddie Price (current ASCSP president) and several other Partners who have served on the ASCSP’s board of directors. KBKG’s strong audit defense record, proprietary cost segregation software allowing users with smaller properties to complete their own study, and ability to layer additional tax incentives make it the top-ranked provider for cost segregation services.
- Deloitte
- Location: Global HQ London, U.K.; U.S. HQ New York, NY; offices nationwide
- Established: 1845
- ASCSP Certifications: 4
- Services: Cost Segregation, Tax Advisory, Audit, Consulting
- Pricing $$$$
One of the “Big Four,” Deloitte brings scale and resources. While not a niche company with a high focus on cost segregation, their global brand, deep tax expertise, and breadth of services make them a significant provider and a great for Fortune 500s, institutional investors, and large enterprises with complex tax structures. Good choice for buildings over $30 million.
- Baker Tilly / Moss Adams
- Location: Baker Tilly HQ Chicago, IL (50+ U.S. offices); Moss Adams HQ Seattle, WA (strong West Coast presence)
- Established: Baker Tilly (1931); Moss Adams (1913)
- ASCSP Certifications: 3
- Pricing $$$
These firms merged in 2025 and provide a good balance of full-service tax advisory with cost segregation services. While private equity ownership reduces their founder-led advantage, their large national footprint and strong client base help them secure a top 3 position.
- RSM McGladrey
- Location: HQ Chicago, IL; 80+ U.S. offices
- Established: 1926
- ASCSP Certifications: 2
- Pricing $$$
RSM is largely focused on middle-market businesses and has been providing cost segregation services for over 20 years. While fewer CCSPs lowered their score, their reputation and reach make them a worthwhile contender.
- CohnReznick
- Location: HQ New York, NY; 25+ U.S. offices
- Established: 1919
- ASCSP Certifications: 1
- Services: Audit, Tax, Advisory, Real Estate specialty
- Pricing $$$
Known for strength in real estate and construction, CohnReznick’s sector focus makes them attractive to developers and builders seeking cost segregation services. Fewer certifications and PE ownership lowered their ranking despite strong client scores.
- MS Consultants
- Location: HQ South Bend, IN; Midwest-focused presence
- Established: 1996
- ASCSP Certifications: 2
- Services: Cost Segregation, Tax Advisory, Engineering-based services
- Pricing $$
A specialized firm with an engineering-first approach with a long track record. They may appeal to real-estate investors seeking technical cost segregation expertise but the firm lacks tangible customer review data and client facing cost segregation technology. A strong brand particularly in the north east.
- Source Advisors
- Location: HQ Fort Worth, TX (1 office)
- Established: 1983
- ASCSP Certifications: 6
- Services: Cost Segregation, R&D Tax Credit, 179D
- Pricing $$
Source Advisors bring experience and a strong team of engineering professionals. Ranked lower due to limited national reach through brick and mortar offices, private equity ownership, and lack of client-facing cost segregation technology, they maintain a strong brand among the middle market tax community.
Final Thoughts: How to Choose the Right Cost Segregation Company
When looking for a cost segregation provider, consider factors beyond price. Low-cost firms may inflate their initial estimated tax benefits on their proposal to win your business, only to deliver disappointing results. Further, without the right knowledge of tax law and engineering standards, these studies can expose you to serious risks in the event of an IRS audit.
Choose a team with:
- Recognized credentials (ASCSP certifications)
- Customer reviews scores over 3.8
- Leadership in cost segregation industry organizations
- Proven track record in audit and court settings
- Client-friendly tools and innovative technology
- Breadth of tax services for stacking additional tax deductions
See our FAQ below for typical pricing ranges. In nearly all cases, the investment pays for itself many times over; but it is important to understand the fee structure upfront and compare it against the projected tax benefit before committing.
See if you qualify for tax credits, deductions, or cost recovery services by requesting a proposal.
Cost Segregation FAQs
A detailed engineering analysis that reclassifies building components into shorter depreciation categories (5, 7, or 15 years instead of 27.5 or 39 years), increasing current-year tax deductions and improving cash flow.
Fees vary by property type, size, and complexity. We recommend reaching out to our team for a free quote. As an example, most commercial properties can cost between $5,000 to $15,000 or more. Smaller properties in general may qualify for lower-cost self-service options, such as CostSegregation.com. In nearly all cases, the tax savings far exceed the cost of the study.
Yes. Tools like KBKG’s Cost Segregation Savings Calculator let you estimate potential tax savings based on your property type and value. For a full study, most owners work with a qualified provider, but a calculator is a great first step to understanding the potential benefit before committing.
Important Disclaimer
This ranking reflects our independent analysis based on publicly available information and weighted factors we determined. It is not an official endorsement, certification, or guarantee of performance. Readers should perform their own due diligence before selecting a provider.