Real estate data management in Japan, made simple
Every property manager in Japan reports differently. Hephaestus, our proprietary engine behind DNK, turns any property management report into a clean dataset you can use, instantly instead of weeks.
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Proptech innovation, backed by leading global investors
The bottleneck isn’t the analysis. It’s everything before it.
Every property manager reports differently. Turning their files into usable data is slow, manual, and easy to get wrong, and it all happens before the real work begins. By the time the numbers are ready, the moment to act on them has often passed.
Every property manager lays out the same figures their own way.
Macros and hand-fixes, redone whenever a layout changes.
A figure that landed wrong is found weeks later.
Ready for analysis, sometimes weeks after the reports came in.
Hephaestus does in a day what used to take two weeks.
Hephaestus is the engine behind DNK. Point it at your property management reports and it returns one clean, standardized dataset, whatever the format, language, or property manager.
Extract
Automatically pulls data from any Excel file your property manager hands you.
Validate
Every figure checked against the report. Data discrepancies flagged for user-resolution.
Standardize
Clean, consistent data that’s easy to work with.
Export
Keep your workflow the same with easy Excel exports, API access, or BI integration.
Move on what drives returns.
When the data is ready the day it arrives, you act while it still counts. The two weeks you spent organizing becomes time spent deciding.
Data management and optimization are key to expanding our investment activities in Japan and we expect DNK’s Investment Manager to play a major role as we continue to improve our infrastructure. DNK’s platform has instantly streamlined our workflow, giving us the infrastructure needed to efficiently scale our investment operations. Beyond the technology, the DNK team has been a dedicated partner, delivering exceptional data quality that strengthens our competitive edge in the market.
Chedli Boujellabia
Founder and CEO
Alyssa Partners
Built for all your asset classes.
One consistent dataset across residential, logistics and flex-living holdings. Not a separate tool for each.
Enterprise security your team can sign off on.
Independently certified, encrypted, and held on private, access-controlled infrastructure. Everything a vendor security review needs.
Certified & compliant
Independently certified to ISO 27001, hosted on AWS in Tokyo with data residency in Japan, and aligned with Japan’s APPI.
Encrypted end to end
Every byte encrypted in transit and at rest, held in isolated private infrastructure with no public access.
SSO & RBAC
Single sign-on and role-based access, with multi-factor authentication available on request — so the right people see the right data, and every figure traces back to its source report.
Built to pass your vendor security review.
Certification, sub-processors, data residency, and our full security posture, documented in one place.
Your data, where you already work.
Hephaestus's output flows straight into Excel, your BI tool, or anything with an API, always current, reconciled, and yours. We don't replace how you work. We make the data underneath it trustworthy.
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CSV
APITry it with your own data
Try it for free with your own property management reports. No upfront payment.
Talk to a person
A live walkthrough of DNK with one of our product specialists.
Try it with your data
We’ll process your own property management reports, no commitment.
Go live
Your team is up and running within days, not months.