Supplemental Estimating Services That Maximize Your Insurance Claim Payout

Your time is valuable, and every missed line item is money left on the table. CSP’s industry-experienced insurance claim estimators provide full-service supplement estimates and Xactimate support for General Contractors and Public Adjusters. Our contractor-focused supplementing specialists deliver accurate, comprehensive insurance estimates — helping you close claims faster and recover the full amount you’re entitled to.
Get a Supplement Estimate Review
Contractor reviewing Xactimate supplement estimate documentation during a residential roof insurance claim inspection

What Is a Supplement Estimate — And Why It Matters for Contractors

When the original insurance estimate doesn't reflect the full scope of damage, every missing line item comes out of your margin. Supplement estimates exist to close that gap — covering overlooked materials, missed labor, and code-required upgrades that adjusters may not capture during a standard inspection. Without a properly built supplement, contractors end up absorbing costs that fall within the legitimate scope of the claim.

Xactimate Supplement Estimates


Underpaid Estimating Reviews


Code-Compliant Scope Documentation


New Claim Estimates


How Our Xactimate Estimating Process Works

Getting a supplement estimate right is critical-every missed line item can mean lost revenue. Our process ensures contractors and public adjusters have a claim-ready Xactimate estimate that maximizes the payout while saving time and effort. Here’s how we help you capture the full value of your roof, siding, and interior claims:
01

Estimate Review & Gap Analysis

We start with a line-by-line deconstruction of the carrier's initial estimate. We identify missed line items, under-measured materials, omitted code upgrades, and outdated pricing that are costing you revenue.
02

Comprehensive Damage & Scope Documentation

Using your photos, sketches, and site notes, we translate observable damage into precise Xactimate line items. We document everything from damaged shingles to flashing separation and interior water damage, creating a complete digital record of the loss.
03

Precision Xactimate Supplement Assembly

Our experienced estimators build the supplement using Xactimate. We apply correct pricing, ensure compliance with current building codes and manufacturer requirements, and format the estimate for immediate adjuster review.
04

Final Estimate Delivery & Project Funding

You receive the finalized, approved Xactimate estimate and a clear scope of work. This becomes your blueprint for a fully-funded, profitable project with zero guesswork and no cost absorption.

Accurate Property & Supplemental Estimate Services


Property Appraisal Estimates

Avoid disputes and delays with clear, comprehensive estimates that back you up. You’ll walk into negotiations confident, knowing every detail is accounted for, down to the last square foot. It’s your strongest tool for defending the true value of your work.

Retail Estimate

Need a clean, professional estimate for client presentation or insurance submission? You’ll get a polished breakdown that reflects average market rates and justifies every dollar. It’s credibility you can share with adjusters, homeowners, or anyone in between.

Re-Inspection Estimate

When the first inspection falls short, this second look makes sure nothing slips through the cracks. We help you document missed damage and justify necessary additions.

Request an Xactimate Estimate

Need a claim-ready Xactimate estimate based on actual pricing data? Schedule your consultation now—we’ll get you exactly what you need for a fast supplement approval.

What Contractors Say About Working With CSP

Instead of talking ourselves up, we prefer to let our clients do the talking. Feedback is the clearest reflection of the results we deliver and the trust we build.

4.9
Based on 27 reviews
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PopArt N.
07:09 02 Apr 26
We’ve had a very positive experience working with Vlad and his team. He is very professional, detail-oriented, and consistently easy to work with. His friendly approach makes collaboration smooth, and his dedication shows in every part of the process. He is always willing to go above and beyond to help move things forward, which makes him a truly valuable partner.
Roofing Capital L.
13:47 28 Mar 26
Vlad and his team are amazing! I’ve been working with them since the start of the company they are quick, professional, detailed and patient since the start! I’m glad we decided to do business an continue for the years to come with Vlad and wonderful his team
Devin K.
21:43 06 Nov 25
I had a great experience with this company. They really made me feel comfortable by walking me through the process. They did a great job with supplementing my roof job and pulled in alot of extra money. Vladimir and Mandy were great to work with. I couldnt imagine anyone else doing a more thorough job. Thanks guys!
Daniel O.
15:21 27 Oct 25
I've been working with Claim Supplement Pro for the better part of a year and have been impressed with their professionalism and efficiency. Additionally, they are knowledgeable in their review process. Highly recommended
Kruna P.
13:23 15 Oct 25
Working with this team was an outstanding experience. From day one they showed professionalism, transparency, and genuine dedication. They quickly understood our goals, proposed thoughtful improvements, and kept us updated at every step. The outcome exceeded expectations, both in quality and timing. Communication was clear, fast, and proactive, which made the entire process smooth and stress-free. I would gladly work with them again and recommend them to anyone looking for a reliable partner.
Julie L.
06:41 25 Sep 25
Working with Claims Supplement Pro has been a wonderful experience. We’ve been working with this company for a while, they are very helpful with the estimates, invoices and processing the claims. The team is amazing, knowledgeable, professional and friendly. Thank you Mandy and Vlad. Highly recommend this company.
Vincent S.
18:25 08 Jul 25
We provide water damage mitigation services and we have used claim supplement pro several times now. I would highly recommend working with this company because they reduced the work load and made it much easier to process insurance claims. All of their staff is super friendly and pay attention to detail. Thank you for your outstanding support!

The Tools Behind Every Accurate Supplement Estimate

CRM & Workflow

Manages customer relationships, project team collaboration, and streamlines daily operations.

Estimating & Code

Ensures precision in estimating, aerial measurements, and compliance with the latest industry codes and standards.

Site Documentation

Provides robust data, imagery, and detailed forensic documentation for accurate project records.

Our team is proficient in the industry's leading platforms to ensure seamless data integration and project transparency.

Supplemental Estimating Services Across All 50 States 🇺🇸

Claim Supplement Pro (CSP) provides expert third-party supplementing and Xactimate estimating services to contractors across all 50 U.S. states. Whether you are a local roofer or a national restoration firm, our team ensures your claims are documented accurately and submitted according to industry standards, no matter your zip code.
Location Image

Request an Xactimate Estimate

Need a claim-ready Xactimate estimate based on actual pricing data? Schedule your consultation now—we’ll get you exactly what you need for a fast supplement approval.

Contact Us

Frequently Asked Questions About Xactimate Estimating Services

Still have questions? Here are a few things you might be wondering before scheduling your consultation.

You'll need to provide a scope of loss, measurement report, photos of the damage, and any existing insurance paperwork or adjuster estimates. The more complete your documentation, the more precise your estimate will be.

Yes, we support both residential and commercial property claims.

Yes, we can still help. If your claim was denied or underpaid, we’ll review the documentation, assess the damage, and identify any missing items or errors. If there’s a valid reason to challenge the decision, we’ll prepare a supplemental estimate and help you pursue the compensation you’re entitled to.

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Xactimate is a software that needs no introduction to experts in the roofing or property restoration industry. To some, it’s just a line-item tool, while for others, it’s a constant source of friction between what a job would actually cost and the contents of an insurance estimate.