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📋 Bordereau is a detailed report submitted by an intermediary — typically an MGA, coverholder, or reinsurer — to an insurer or reinsurer, listing individual risks bound, premiums collected, or claims incurred during a specific reporting period. The term originates from French and has long been a fixture of the Lloyd's and reinsurance markets, where delegated arrangements require granular data exchange between the parties. A bordereau can be a premium bordereau, which details policies written and premiums due, or a claims bordereau, which itemizes losses reported and paid.

⚙️ At regular intervals — monthly or quarterly, depending on the binding authority agreement — the producing entity compiles transactional data into a structured file and delivers it to the capacity provider. Each record typically includes the policyholder's name, policy period, coverage type, sum insured, premium amount, and any relevant commission splits. The receiving insurer or reinsurer uses the bordereau to book premium, validate underwriting compliance, calculate reserves, and reconcile cash flows. In modern insurtech operations, bordereau processing is increasingly automated through specialized platforms that ingest, cleanse, and map data to internal systems, reducing the manual effort that historically made bordereau handling one of the most labor-intensive back-office functions in the industry.

💡 Accurate and timely bordereau reporting underpins the trust that makes delegated authority programs viable. When data quality deteriorates — missing fields, inconsistent formats, late submissions — insurers lose visibility into their portfolio, which can delay reserving, distort loss ratios, and trigger regulatory concerns. As the volume of delegated business grows across global markets, the industry's push to standardize bordereau formats through initiatives like the Lloyd's Core Data Record and ACORD messaging standards reflects just how central this humble report is to the financial plumbing of insurance.

Related concepts

• Definition:Delegated underwriting authority (DUA)
• Definition:Binding authority agreement
• Definition:Coverholder
• Definition:Managing general agent (MGA)
• Definition:Premium accounting
• Definition:Claims reporting