Kontacts · Address books

Shared business address books for the whole team

Kontacts brings your company contacts into shared address books: customers, suppliers and colleagues always up to date, synced over CardDAV and reachable from any device, on servers in Europe.

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Your company’s contacts live in ten different places

Personal phonebooks, Excel exports, the mailbox of whoever left. When you need a contact, nobody knows which version is right.

Without a shared address book

  • Duplicate, out-of-sync contacts across phones, Excel sheets and personal mailboxes.
  • When someone leaves the company, their contacts leave with them.
  • No standard: numbers and emails sit in silos that don’t talk to each other.

With Kontacts

  • A single company address book, shared and always up to date for the whole team.
  • Contacts stay with the company: per-book permissions, no data walking out the door.
  • Standard CardDAV: the same contacts on phone, Apple Contacts and Outlook.

The right address books for the right people

Organise contacts into several address books — customers, suppliers, a department, a project — each with a name and colour. Share every one with colleagues read-only or read-write: the sales book to the sales team, the suppliers book to purchasing. Each record keeps emails, phones, addresses, organisation, categories and notes together.

Default address book Choose where new contacts land, so the team always saves them in the right place.

From scattered contacts to a shared address book, in four steps

  1. 01 Import Bring existing address books in from vCard, CSV or another CardDAV server.
  2. 02 Organise Group contacts into named, colour-coded books, with categories and organisations.
  3. 03 Share Give each book the right permissions: read-only or read-write, per person or team.
  4. 04 Sync Expose via CardDAV: the same contacts on every phone and client, always aligned.

No manual migration, no copy-paste: contacts come in once and stay in sync.

One address book, many views

The same contacts, shown the way you need them: cards, a dense list, grouped by organisation or opened in detail.

The card grid: avatar, name, company and contact at a glance.

You save a contact once. After that it belongs to the company, not to someone’s phone.

The same contacts on every device

Kontacts exposes address books over CardDAV, the open standard for contacts. Connect them to Apple Contacts, Thunderbird, Outlook or the company phone and they stay in sync: edit a record once and the update lands everywhere. Every connection uses a dedicated app password you can revoke whenever you want.

  • Standard CardDAVNo lock-in: any CardDAV client connects to your address books.
  • Dedicated app passwordsEach device gets its own credential, revocable in one click without touching the others.
  • Always alignedOne edit propagates to every connected client: no diverging versions.

AI search

Search contacts the way you would ask out loud

Kontacts AI search understands natural language: ask “contacts in Milan in the construction sector” and get the list right away. The AI never reads your contacts — it only receives the address book structure and writes the query, which is shown to you. No personal data leaves.

  • Ask in natural language Write the question as you would to a colleague: city, sector, role or category, even combined.
  • The AI does not see your contacts It only receives the address book schema and generates the query: personal data is never sent to the model.
  • Always a transparent query The generated query is visible and read-only: you see exactly how the result was found.

The business address book, shared and always in sync

Kontacts keeps the company’s contacts in one place: complete records, multiple address books you share with the team, and CardDAV sync with the devices you already use. You import existing address books from vCard, CSV or another server, and the Hub address book gathers contacts from the rest of the Kamzan ecosystem.

Everything you need to manage business contacts

  • Complete contacts

    Records with name, company, role, email, phones, address, website, categories and notes — everything on each contact.

  • Multiple address books

    Create several address books with a name, colour and description, and pick the default one for new contacts.

  • Shared address books

    Share an address book with colleagues read-only or read-write: the right contacts for the right people.

  • Categories and organisations

    Free categories and tags with autocomplete, and automatic company suggestions as you type.

  • vCard, CSV and CardDAV import

    Bring existing address books into Kontacts by importing vCard and CSV files, or straight from a CardDAV server.

  • CardDAV sync

    Expose address books via CardDAV: they sync with Apple Contacts, Thunderbird and other clients, with dedicated app passwords.

  • Hub address book

    The Hub address book automatically gathers contacts from the other ecosystem apps, from Kore CRM to Files.

  • Multi-tenant and in the ecosystem

    Multi-tenant isolation and single sign-on across the Kamzan ecosystem, on servers in Europe compliant with GDPR.

Frequently asked questions about business address books

Can I share address books with my team?

Yes: Kontacts creates shared address books for teams, departments and projects, with visibility permissions for each one.

Does Kontacts support CardDAV?

Yes: Kontacts supports the CardDAV standard, so you can sync contacts with the devices and clients you already use.

Can I import my existing contacts?

Yes: with Kontacts you import existing address books from vCard and CSV files, keeping the data structured.

Where is contact data stored?

Kontacts data is on servers in Europe, encrypted and GDPR-compliant, integrated with the Kamzan ecosystem.