ASN Bank transforms its mortgage journey
In the digital era, mortgage journeys are won or lost on accuracy. Banks succeed by delivering consistent, reliable results at every step.
When Dutch lender ASN Bank set out to modernize its mortgage proposition, the goal went far beyond a facelift. The bank wanted to create a seamless, digital-first customer journey built on accuracy and ease of use.
The result: the ASN Bank Mortgage Calculator, a real-time maximum borrowing tool powered by Akkuro’s Calculation Engine. With instant and precise estimates that adapt dynamically to user input, the calculator empowers prospective homeowners to understand their financial options from the very first click.
The collaboration combines the strengths of both partners: Akkuro delivers the SaaS-based computational core: scalable, compliant and fast, while ASN Bank designs the customer-facing experience.
From fragmented systems to one seamless API:
“Today’s consumers expect one thing from the start: accurate information. In the past, automated mortgage estimates often varied depending on where users were in the journey and final outcomes frequently fell short. What was missing was consistency: from the first click to closing. The Akkuro Calculation Engine delivers that consistency and accuracy.”



ASN Bank’s new mortgage journey is already showing tangible results.
Higher user engagement
100,000 monthly users engage with the Mortgage Calculator, demonstrating strong demand for a digital-first mortgage journey.
Improved conversion rates
Conversion rates increased by over 50%, rising from 1.3% to 2% since launch, reflecting stronger user confidence in the mortgage process.
More qualified leads
800 additional leads generated each month, achieved by prioritising design and optimisation over maintaining complex calculations.
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