Why Insurance Carriers Are Abandoning Rip-and-Replace Migrations

The insurance industry has a $300 billion technology problem. Carriers worldwide are running mission-critical operations on systems built in the 1990s — and every year, the gap between what these systems can do and what the market demands grows wider.

For decades, the answer was the same: rip it out, replace it, and pray. Multi-year, nine-figure transformation programmes became a rite of passage for enterprise carriers. But the data tells a different story.

The Rip-and-Replace Track Record

According to Celent's 2025 core systems report, 67% of large-scale insurance platform replacements exceed their original timeline by 18 months or more. The average cost overrun sits at 2.4x the initial budget. And perhaps most damning: 23% of these projects are abandoned entirely after significant investment.

These aren't failures of ambition or talent. They're failures of architecture.

When you attempt to replace a system that touches every corner of your business — policy admin, billing, claims, reinsurance, reporting — you're not just migrating software. You're migrating institutional knowledge, regulatory compliance logic, and decades of edge-case handling that no one fully documents.

The Middleware Alternative

A new pattern is emerging. Rather than replacing legacy cores, forward-thinking carriers are wrapping them.

The middleware approach deploys a modern API layer that sits between your existing system of record and the digital world. Your Guidewire or Duck Creek instance continues to do what it does well — serve as the authoritative ledger. Meanwhile, a purpose-built middleware layer handles:

• Real-time API distribution to brokers, aggregators, and embedded partners
• AI-powered submission intake that triages and enriches data before it hits your core
• Product configuration that lets actuaries and underwriters iterate without engineering tickets
• Multi-channel quoting with sub-100ms response times

The key insight is that your legacy system isn't the problem. The problem is that it was never designed to be the front door.

Real-World Impact

One European carrier we work with had spent 14 months and €3.2M on a Guidewire-to-cloud migration before pausing the project. Their broker portal was still running on a 2011 codebase, and new product launches required 6-8 month development cycles.

With a middleware approach, they launched a modern broker API in 3 weeks. Their existing Guidewire instance remained untouched — every policy, every claim, every compliance rule intact. But now, submissions flow through an AI triage layer, quotes return in 87ms, and new products can be configured and distributed in days.

The total cost was less than 10% of their abandoned migration budget.

When Rip-and-Replace Still Makes Sense

To be clear, there are scenarios where full replacement is the right call:

• Your current vendor has announced end-of-life with no migration path
• Your system literally cannot process the volume of transactions you need
• Regulatory requirements mandate capabilities your platform architecturally cannot support

But for the vast majority of carriers, the calculus has changed. The question isn't whether your legacy system is perfect — it isn't. The question is whether the risk and cost of replacing it outweighs the benefits of wrapping it with modern capabilities.

The Strategic Shift

The carriers winning in 2026 aren't the ones with the newest core systems. They're the ones that can distribute fastest, underwrite most accurately, and launch products before the market moves on.

A middleware-first strategy delivers all three — without betting the company on a multi-year transformation that may never finish.

Stere's turnkey SaaS core gives MGAs everything they need to launch: product builder, API distribution, AI underwriting, policy admin, billing, and claims.