How Keytrade Bank Digitized Mortgage Onboarding with Nitro Sign
Key Results
- Reduced administrative costs by more than 80%
- Achieved a 99% signing success rate
- Reduced loan signing time to less than 48 hours
- Added five new digital signing methods
Keytrade Bank selected Nitro Sign to digitize contract signing and customer onboarding for its KeyHome mortgage service in Belgium. Nitro Sign integrated with the bank’s core systems, allowing customers to sign contracts using electronic identity cards and other digital signing methods and helping them move through the loan process in less than 48 hours.
Saved time and costs
Flawless user experience
Seamless integration
Keytrade Bank case study at a glance
Company |
Keytrade Bank |
| Industry | Banking and Mortgage Services |
Headquarters |
Brussels, Belgium |
Company size |
200 |
Nitro customer since |
2018 |
Challenge |
Digitize mortgage loan agreements and signatures with a secure, simplified customer experience |
Solution |
Nitro Sign |
Results |
More than 80% lower administrative costs, a 99% signing success rate, digital onboarding and contract signing in one step, and loan signing in less than 48 hours |
A solution built with T-mobile in mind
Sem Ipsum
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The Challenge: Digitizing mortgage loan agreements and signatures
When Keytrade Bank, an online trading and mortgage lending organization in Belgium, expanded its online services to include mortgage loans, it needed a way for customers to add qualified, authenticated digital signatures to transactions securely and with less complexity.
The bank wanted customers to be able to manage their accounts online and complete mortgage agreements digitally while meeting regulatory and legislative requirements.

The Final Results
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Fusce a quam. Curabitur vestibulum aliquam leo. In dui magna, posuere eget, vestibulum et, tempor auctor, justo. Suspendisse eu ligula. Suspendisse non nisl sit amet velit hendrerit rutrum. Praesent egestas tristique nibh. Donec posuere vulputate arcu. Vestibulum turpis sem, aliquet eget, lobortis pellentesque, rutrum eu, nisl. Praesent metus tellus, elementum eu, semper a, adipiscing nec, purus. Sed libero.
Fusce a quam. Curabitur vestibulum aliquam leo. In dui magna, posuere eget, vestibulum et, tempor auctor, justo. Suspendisse eu ligula. Suspendisse non nisl sit amet velit hendrerit rutrum. Praesent egestas tristique nibh. Donec posuere vulputate arcu. Vestibulum turpis sem, aliquet eget, lobortis pellentesque, rutrum eu, nisl. Praesent metus tellus, elementum eu, semper a, adipiscing nec, purus. Sed libero.
The Conclusion
Aliquam lobortis. Aliquam eu nunc. Nulla consequat massa quis enim. Nam eget dui. Vestibulum eu odio. Nullam accumsan lorem in dui. Pellentesque auctor neque nec urna. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Phasellus ullamcorper ipsum rutrum nunc. Sed cursus turpis vitae tortor.
Fusce a quam. Curabitur vestibulum aliquam leo. In dui magna, posuere eget, vestibulum et, tempor auctor, justo. Suspendisse eu ligula. Suspendisse non nisl sit amet velit hendrerit rutrum. Praesent egestas tristique nibh. Donec posuere vulputate arcu. Vestibulum turpis sem, aliquet eget, lobortis pellentesque, rutrum eu, nisl. Praesent metus tellus, elementum eu, semper a, adipiscing nec, purus. Sed libero.
A solution built with T-mobile in mind
Sem Ipsum
Lorem ipsum dolor sit amet consectetur adipisicing elit. Ratione hic quaerat magnam accusantium sequi inventore non quod, maiores veniam recusandae maxime repudiandae impedit, obcaecati atque, iusto molestiae repellendus veritatis commodi illo ex ab! Maxime harum est ad suscipit sint delectus.
Why Keytrade Bank chose Nitro Sign
Keytrade Bank chose Nitro Sign for its easy-to-use eSignature platform and its ability to meet the bank’s regulatory and legislative needs. The solution also supported signing with electronic identity cards, allowing customers to sign mortgage contracts digitally.
Nitro Sign’s API supported integration with Keytrade Bank’s core systems, simplifying the bank’s digital onboarding process.

The Final Results
Aliquam lobortis. Aliquam eu nunc. Nulla consequat massa quis enim. Nam eget dui. Vestibulum eu odio. Nullam accumsan lorem in dui. Pellentesque auctor neque nec urna. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Phasellus ullamcorper ipsum rutrum nunc. Sed cursus turpis vitae tortor.
Fusce a quam. Curabitur vestibulum aliquam leo. In dui magna, posuere eget, vestibulum et, tempor auctor, justo. Suspendisse eu ligula. Suspendisse non nisl sit amet velit hendrerit rutrum. Praesent egestas tristique nibh. Donec posuere vulputate arcu. Vestibulum turpis sem, aliquet eget, lobortis pellentesque, rutrum eu, nisl. Praesent metus tellus, elementum eu, semper a, adipiscing nec, purus. Sed libero.
Fusce a quam. Curabitur vestibulum aliquam leo. In dui magna, posuere eget, vestibulum et, tempor auctor, justo. Suspendisse eu ligula. Suspendisse non nisl sit amet velit hendrerit rutrum. Praesent egestas tristique nibh. Donec posuere vulputate arcu. Vestibulum turpis sem, aliquet eget, lobortis pellentesque, rutrum eu, nisl. Praesent metus tellus, elementum eu, semper a, adipiscing nec, purus. Sed libero.
The Conclusion
Aliquam lobortis. Aliquam eu nunc. Nulla consequat massa quis enim. Nam eget dui. Vestibulum eu odio. Nullam accumsan lorem in dui. Pellentesque auctor neque nec urna. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Phasellus ullamcorper ipsum rutrum nunc. Sed cursus turpis vitae tortor.
Fusce a quam. Curabitur vestibulum aliquam leo. In dui magna, posuere eget, vestibulum et, tempor auctor, justo. Suspendisse eu ligula. Suspendisse non nisl sit amet velit hendrerit rutrum. Praesent egestas tristique nibh. Donec posuere vulputate arcu. Vestibulum turpis sem, aliquet eget, lobortis pellentesque, rutrum eu, nisl. Praesent metus tellus, elementum eu, semper a, adipiscing nec, purus. Sed libero.
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Discover how Nitro Sign can support your digital workflows.
How Keytrade Bank uses Nitro Sign to digitize mortgage onboarding
Keytrade Bank uses Nitro Sign to let customers digitally sign KeyHome mortgage contracts as part of the onboarding process. Customers can complete digital onboarding and contract signing in one step using an electronic identity card or another available signing method.
The bank offers several digital signing methods, including SMS/OTP, eID, password, Digipass, and Softkey. Nitro Sign workflows also let employees monitor the status of onboarding, loan inquiries, and mortgage requests, send reminders to customers who need to complete signing, and follow up with questions when needed.
This digital process supports a faster customer experience while reducing administrative work. Keytrade Bank reports a 99% signing success rate, lower administrative costs, and a loan signing process that customers can complete in less than 48 hours.
The results: Lower administrative costs, successful signing, and faster onboarding
Nitro Sign helped Keytrade Bank reduce administrative costs, support customers through digital signing, and expand the bank’s online mortgage onboarding process.
Reduced administrative costs by more than 80%
By using Nitro Sign workflows, Keytrade Bank reduced its administrative costs by more than 80%. Employees could monitor onboarding, loan inquiries, and mortgage requests, and send reminders to customers to complete the eSign process or contact them with questions.
Achieved a 99% signing success rate
Keytrade Bank provided customers who were ready to sign with clear instructions and a choice of electronic signing methods. The case study reports a 99% success rate for the signing process.
Combined digital onboarding and contract signing into one step
With Nitro Sign, Keytrade Bank could digitally onboard new clients in the same step as signing the mortgage contract using an electronic identity card or another digital method.
Shortened loan signing to less than 48 hours
Nitro Sign helped shorten the time it took customers to close on a loan, often moving them through the process in less than 48 hours.
Scaled to meet growth in customer data volume
Nitro Sign handled a large increase in data volume as Keytrade Bank’s customer base grew. The bank could offer multiple digital signing methods through its integration with core systems.
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