Category: Claims handling · Reviewed by Jake Leat, Associate Director · Last reviewed 2026-06-11
Claim file opening is the operational step by which an insurer creates a new record in its claims system, attaches the relevant policy and notification documents, allocates a handler, posts an initial reserve and starts the audit trail that will follow the claim through to closure.
Although the words sound clerical, claim file opening is the most heavily controlled administrative event in any insurer’s operating model. It is the moment the claim becomes traceable, reservable, reinsurable, auditable and reportable. The file once opened generates a stream of compliance, actuarial and financial data: a reference number for the policyholder and the broker; a record for the actuarial reserving function; an entry in the management information dashboards; a hook for ICOBS compliance reviews; a position in the reinsurance bordereaux; and a foundation for fraud, sanctions and PEP screening.
A modern claim file is a structured record in a claims management system (CMS), not a paper folder. The CMS will be one of the named insurance platforms — Guidewire ClaimCenter, Duck Creek, Sapiens IDIT, or one of the bespoke Lloyd’s systems — and the file opening triggers automatic workflows: handler allocation, document indexing, reserve seeding, sanctions screening, fraud-scoring and notification of any reinsurance cessions above the cession threshold.
There is no specific statutory rule on claim file opening, but the requirement to have a file at all flows from several converging regulatory expectations. PRA Supervisory Statement SS18/16 (Operational resilience) requires insurers to have robust systems for claims operations. SYSC 4.1 (in the FCA Handbook) requires regulated firms to have effective systems and controls. ICOBS 8 requires claims to be handled promptly and fairly — which presupposes a file. SYSC 9 requires firms to make and retain records adequate to demonstrate compliance with regulatory rules; in claims, the file is the record. For Lloyd’s syndicates, Lloyd’s claims management principles and bylaws set additional documentation expectations.
For data protection, file opening creates a personal data record subject to UK GDPR. The insurer must identify the lawful basis for processing (typically contract performance under Article 6(1)(b), and substantial public interest under Article 9 for special category data), must apply the retention rules in its privacy notice, and must comply with the data subject’s rights including access, rectification and (subject to lawful basis) erasure. Claims files routinely contain special-category data — health, criminal, biometric — particularly in motor injury and casualty business. Special handling rules apply.
Sanctions and financial-crime screening are statutorily required: the Counter-Terrorism Act 2008, the Sanctions and Anti-Money Laundering Act 2018, the Proceeds of Crime Act 2002 and the Money Laundering Regulations 2017 all bite on claims activity. The screening typically runs at the moment of file opening.
A standard claim file opening covers eight elements. First, the CMS record is created with a unique claim reference. Second, the policy is identified and attached — for a multi-policy insured this may take more than one click, and getting the right policy in force on the right date is a key control. Third, the date of loss, the date of discovery, the date of notification and the date of receipt by the insurer are all recorded separately; these dates drive coverage, the section 13A clock, limitation analysis and reserving. Fourth, the policyholder, third-party claimants, broker and any other intermediary are recorded with verified contact details. Fifth, sanctions, PEP and adverse-media screening are run; any hits are flagged for manual review. Sixth, fraud scoring is run; high scores generate referrals to the special investigations unit. Seventh, an initial reserve is posted — typically a small “open” reserve until the handler has had time to evaluate. Eighth, the file is allocated to a handler matching the claim’s line, complexity and value, and the acknowledgement is sent.
The audit trail begins at file opening. Every subsequent action — every note, every reserve change, every coverage decision, every payment, every closure attempt — is timestamped, attributed to a user and kept on the file. Internal audit, external audit, FCA supervisory visits and (for Lloyd’s) Lloyd’s claims oversight all examine the audit trail as evidence of process discipline.
The discipline matters most when things go wrong. The FOS, in deciding complaints, gives substantial weight to whether the insurer’s file is contemporaneous, coherent and complete. A file that records the handler’s reasoning at each step is a much stronger defence than a file consisting of a few terse one-line notes.
“Watch files” are opened where the insurer has been notified of a potential exposure but no formal claim has yet been made. They sit in a dormant queue, with a small IBNR reserve, until either a claim is made or the matter is closed for inactivity.
“Catastrophe files” are opened in bulk after large events (storms, floods, terror events) using rapid-intake processes that compress the standard file-opening workflow. The trade-off is that catastrophe files often need significant tidying once the immediate operational pressure passes.
“Linked files” are opened where one notification touches multiple policies or multiple insureds. Each policy or insured gets its own file, but they are linked through the CMS so that reserves, payments and correspondence can be tracked across the cluster.
“Re-opened files” are previously closed claims where new information has emerged. The CMS will have rules about which roles can re-open and what reasons must be recorded.
A managing general agent (MGA) writing UK haulage motor business receives 270 third-party FNOLs in a 36-hour window following Storm Babet. Its TPA runs a catastrophe-rapid-intake process. Each FNOL generates a claim file with the storm event code attached, an automated IBNR reserve of £4,500 (the line’s historic storm average), an automatic sanctions clearance and a fraud score. Files flagged with high fraud scores or PEP hits are routed to manual review the next working day. The 27 high-value claims (£25,000+ estimated) are escalated to senior handlers within 72 hours. The catastrophe code allows the MGA’s actuaries to track the event separately for treaty recovery and the reinsurers to monitor erosion of the catastrophe layer in near real time.
By Matt Bartlett, Director, on 2026-06-11. Next review: 2026-12-11.
This entry is part of the Apex Insurance Wiki. Last reviewed by Matt Bartlett on 2026-06-11. Apex Insurance Brokers Limited, FCA FRN 724952, Companies House 07014570. Not regulated advice — consult your broker on your specific position.
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