Insurance is a promise priced in advance and settled when reality intrudes. The promise only works if cash moves on unambiguous rules: premiums clear on schedule with the right taxes and exchange rates; claims land in the policyholder’s account quickly with evidence that survives a file review; reinsurance cash calls and cessions reconcile against treaties without a heroic spreadsheet. When those mechanics are explicit, lapse rates fall, loss ratios stop being distorted by timing noise, and finance can explain every variance without phoning underwriting for folklore.
Premium collection is the first fault line. Personal lines like motor, home, and travel live on monthly direct debits or card-on-file, while commercial lines often prefer annual or quarterly invoicing through brokers. Each mode has different failure physics. Cards suffer lifecycle events and cross-border FX grumbles; account-to-account rails—SEPA Core/Instant in the euro area, Faster Payments or Direct Debit in the UK, local ACH equivalents—clear cheaply and deliver structured remittance that posts itself if you’ve issued virtual accounts by policy, broker, or cohort. The ledger needs a single truth: currency of account per legal entity; display currency for the insured if you localize pricing; a rate-lock policy that fixes FX at authorization for cards and at invoice for bank rails; and storage of the rate source and timestamp on every monetary event so reinstatements and endorsements don’t degenerate into arguments about pennies. Grace periods and lapses must be code, not custom: premium due → grace open → suspension or lapse; reinstatement fees and back-premium accruals compute deterministically. Write that once and service calls stop negotiating finance.
Broker distribution adds a second calendar. In many markets, premiums flow through brokers into client money accounts with fiduciary rules, then on to carriers net of commission. That means bordereaux matter more than slogans. A clean bordereau carries policy identifiers, incept/expiry, taxes, fees, and commission by currency, with cash movements that mirror it line-for-line. If the cash arrives with vague references, finance burns days reconciling; if each broker has a dedicated virtual IBAN and sends ISO 20022 remittance, auto-match climbs over 98% by count and disputes about “short landings” shrink to tractable exceptions. Commission clawbacks on mid-term cancellations should be automatic, not negotiated; the rule belongs in the policy accounting engine, not in email.
Claims are the credibility engine. Small claims pay speed; large claims pay proof. You can treat both with the same backbone: objective triggers, rails chosen for success, and evidence that writes itself. For FNOL-to-payout journeys in personal lines, the fastest path is pre-validated payees, instant bank rails for sub-€5k/£5k tickets, and an evidence pack that assembles from telemetry (telematics for motor, weather footprints for nat cat, photo triage for contents). For larger losses, the settlement plan ties to adjuster reports, invoices, and coverage limits; interim payments use the same rails with beneficiary verification to avoid misdirected funds. Whatever the size, pay to the original payer or verified policyholder account; alternate destinations are fraud magnets and audit headaches. Publish value dates in the portal; when customers can see “approved Tuesday, funds Wednesday by 14:00,” your contact center won’t field daily “where is my money?” calls.

Fraud controls are a routing problem as much as an investigation craft. Push-payment fraud and beneficiary-swaps die when name-matching (Confirmation/Verification of Payee) is built into onboarding and any bank-detail change triggers out-of-band checks and a cool-off. Friendly fraud—“I never got the payout”—shrinks when you default to same-rail refunds and keep descriptors that match the brand and policy number. For suspicious claims, reserve the right to pay vendors directly (repairers, medical providers) under assignment; the cash still flows on rails you control, but the insured sees progress rather than stonewalling.
Commercial lines, captives, and specialty markets bring reinsurance into the cash loop. Cessions and recoveries only reconcile if you treat treaties like contracts with code: attachment points, limits, reinstatement premiums, profit commissions, and event aggregation rules are parameters, not prose. Loss advices, bordereaux, and cash calls need currency, rate, and timestamp carrying through to the general ledger; reinsurance premiums (ceded written/earned) and recoveries should waterfall into cash forecasts by treaty and currency so treasury isn’t playing whack-a-mole after a windstorm. Collateral—LOCs and trust accounts—belongs in the same system, with expiries, beneficiaries, and draw conditions visible to finance rather than noted in a PDF. USD dominance in cat programs creates FX exposure for carriers that book in EUR/GBP/JPY; natural hedge where you can (USD reinsurance out, USD investment income in), then cover the residue with short-dated forwards laddered against known cash calls. Never roll 100% on one day; catastrophe seasons don’t respect treasury bravado.
Usage-based insurance and embedded products are changing the rhythm without changing the laws of cash. A telematics motor policy or a device protection plan sold at checkout creates thousands of micro-premiums and micro-refunds. The only way to make that economical is to adopt rails and a data model that scale with ticket size. Local instant bank rails collapse refund latency and lower fees; cards and wallets remain for ubiquity, but you route dynamically on “cost per successful collection,” not on a vendor slide. Every premium micro-event must carry the same metadata as a €1,200 annual bill: currency as an ISO code with integer minor units, rate source and timestamp, tax jurisdiction, policy ID, and idempotency keys for external calls. Do that and your month-end is arithmetic, not archaeology.
Tax and regulatory cash handling are not afterthoughts. Client money rules dictate segregation and reconciliations; IPT/VAT/GST on premiums and fees varies by jurisdiction and sometimes by policy type; withholdings on certain cross-border services (medical networks, adjusters) apply in specific markets. None of it is mysterious if captured once in the system of record: the policy accounting engine knows the tax code per line; the AP module knows when to net withholding and emit certificates; the bank integration knows which accounts are safeguarded and which are operating cash. E-invoicing mandates now touch brokered commercial premiums in several countries; blocking emission at sale forces DSO upward, so bind your billing to the local clearance platforms rather than letting operations ship documents ahead of fiscal acceptance.
Treasury cares about calendars and concentration. Premiums come early; claims arrive in spikes; reinsurance cash can lag unless you call it. Keep buffers in high-velocity currencies sized to bank cut-offs and holidays; model days cash outstanding for premiums by channel and days cash in/out for claims by peril and region. Invest time in arrival variance: promised vs actual value dates per corridor tell you more about vendor performance than any rate card. And in markets where you hold balances for claims (escrow or float), publish a safeguarding and sweep schedule that auditors can test without asking your team to invent it while they watch.
What you measure changes behavior. Lapse rate attributable to payment failure rather than underwriting risk; proportion of premiums on bank rails vs cards and the cost per success; median time-to-indemnity split by claim size band and corridor; payout failure rate and root cause; reinsurance recovery lag from loss advice; FX cost as basis points of GWP and of net claims paid; auto-reconciliation rate and the manual minutes per thousand transactions. Publish these weekly to underwriting and claims, not just to finance. When the shop floor sees the money clocks, operational arguments become design choices.
A specialist payment intermediary earns its place when you need multi-currency accounts, virtual IBANs by broker or program, and dependable local rails for both collections and payouts without standing up a dozen bank integrations. The scorecard is practical: corridor coverage aligned to your portfolio, uptime under load, failure-recovery speed, and line-level fee/FX transparency. If those are strong, a provider like Collect&Pay can make premium cash predictable and claims money uneventful—the two quietest compliments an insurer can receive.