Glass TPA vs In-House Claims Management: A Cost Comparison
Carriers evaluating a glass TPA partnership often start with the same question: will this save us money? The answer depends on how you measure cost — but in most cases, the math favors outsourcing.
Direct labor costs are the most obvious factor. In-house glass programs require dedicated adjusters, call center staff, and supervisors. A TPA spreads these costs across multiple carrier programs, creating economies of scale that a single carrier cannot match.
Invoice review savings are significant. TPAs that audit every invoice against NAGS pricing and carrier-approved schedules consistently identify overcharges that in-house teams miss. These savings typically range from 8 to 15 percent of total glass spend.
Fraud prevention adds another layer of savings. Dedicated fraud monitoring catches patterns — clustered claims, phantom repairs, inflated invoices — that general adjusters rarely have time to investigate.
Technology costs are often overlooked. Building and maintaining a purpose-built glass claims platform requires ongoing development investment. A TPA amortizes that cost across its book of business.
The indirect costs matter too. In-house glass programs compete for management attention, IT resources, and training budgets with higher-priority lines. Outsourcing glass frees those resources for more strategic work.
The per-claim fee model that most TPAs offer makes costs predictable and directly tied to volume — no fixed overhead regardless of claim count.