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Finally take back control of your online data with Only Once.
Now you decide exactly who can access your personal, professional
and company data, for how long, and under exactly what conditions.

Empower Your Digital Life

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When you change information in your Only Once data store,
all of your trusted contacts will be automatically updated.

Update contacts
with just one click

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Focus on the
important things
in life.

Only Once conveniently organizes all
of your data for you,
in one secure place.
Meaning more time
for you in your busy life.

Start today. For free.

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Store, organise and retrieve your important data and documents

  • All of your important data is kept safe and secure in your Personal Data Store.
  • Instantly access any essential data or documents you need at the click of a button.
  • Protect all your important data and documents from loss, theft or damage.
  • Only Once provides full support for S42 International Addressing standards.

Some things should be done ‘Only Once’.
Entering our personal and business data is one of them.

Only Once interview on Dutch national television

Keep your address book automatically
updated, in real-time.

  • All your information. Complete, up-to-date, and conveniently at hand.
  • Categorize and organize your network. Use metadata to quickly find a contact.
  • Instant access your contacts. Anywhere, anytime, and from any device.

Connect quickly and easily with online relations using QR code sharing.

  • Invite trusted relations to your personal address book.
  • Connect instantly using your own unique personal QR code.
  • Search for contacts and expand your network easily.
  • Target specific networks using appropriate, customized identities.

Share only the data you want.
Safely, and on your terms.

  • Select any data or document and share it instantly, with the click of a button.
  • Add as much information as you like to your customisable e-business cards.
  • Maintain an accurate overview and insight into what data you shared, and with who.
  • Withdraw access to your data at any time. Remember, you are always in control.

Download now

From now on you and your connections can subscribe to each other’s dynamic contact details. For example, if one of your relations has a new phone number your address book wil be changed too. Automatically. You won’t have to do a thing!

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Privacy by design

At Only Once you are not the product. Only Once is. Privacy violations and data protection are daily news items. Yet so often our online privacy and personal data is not taken seriously enough. Your data is highly valuable. We know that, and you know that. Our data is traded across the internet without we, the data owners, being consulted.

Online, we have become the product. Online trust needs to be restored, with a platform which has been designed specifically with privacy in mind. What is yours, should stay yours. You have the right to be forgotten. That is both our ambition and mission.

Read our privacy policy

Access your relational data across platforms and devices.

Never worry again about where to find your relational data and documents.
Sync all your Only Once contacts to Outlook, Google or iPhone.
Sync your personal data to any third-party business application.

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Our manifesto

The Only Once manifesto serves as a moral compass, and reflects the standards and values that our organization stands for.

We want to offer a personal platform where people and businesses are able to store their data once, but then share it as often, and for as long as they want. Our goal is to answer all kinds of repeated information requests immediately from the Only Once platform.

Read our manifesto

Bank-level security

The Only Once platform uses only the highest levels of security. All data is fully encrypted, and based on symmetrical encryption that can be managed by you, and you alone. Not even Only Once can access your data. We use public/private keypairs (RSA) in combination with 256 bit AES encryption. We use An EV SSL certificate which offers the highest available levels of trust and authentication to the Only Once platform. Our data centre is ISO/IEC 27001:201, PCI DSS 3.1 and ISO/IEC 9001:2008 certified.

Our infrastructure runs in a fully redundant datacenter in Haarlem and Amsterdam.

No Patriot act interference

All our infrastructure is located within the borders of the European Union. Therefore all of the data hosted on our Life Management platform is fully protected by the EU Data Protection Directive, which regulates the processing of all personal data within EU borders. It is an important component of EU privacy and human rights law, and means that data stored in Only Once cannot fall under Patriot Act style surveillance by governments.

 

“Only Once will become the leading platform for fast and reliable data exchange”

Len de Bruin (Business user)

“Only Once is a major game changer. Disruptive and very promising”

Bart Hermelink (CEO Byce BV)

“The key strength of Only Once is its simplicity in use”

Jeroen Bontje (Marketing Manager Symbid, beta tester)

“Only Once will dramatically reduce our customer waiting times with it’s one click form filling”

Fred Collee (CEO ABS Wellcoll)

Your
benefits
of using
Only Once

  • All your personal data, constantly at your fingertips
  • Quickly connect with other users and keep in touch
  • Automatically update all your contacts with just one click
  • Stay in control of who has access to your data, and for how long
  • Never enter your data into another form again
  • Keep a firm grip on your virtual identity

Provincie Utrecht is one the funding partners of Only Once.

Copyright © 2016 Only Once B.V. All rights reserved.
Only Once is a registered trademark.

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If you were using Only Once to view this site you would be able to delete these cookies! You can learn more about our use of cookies in our Privacy Policy.
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