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Legal notice

Last updated: 23 September 2026.

This English version is provided for convenience. Only the French version is legally binding.

Publisher

The websites zenit-group.fr and arko-web.fr, which present the Zenit brand and its product Arko, are published by:

Company name
Aikoo SAS
Legal form
Simplified joint-stock company (société par actions simplifiée, SAS)
Brands
Zenit · Arko
Registered office
433 allée de Larribere, 40380 Baigts, France
Share capital
22 €
SIREN
104 646 484
SIRET (registered office)
104 646 484 00014
Trade and Companies Register (RCS)
104 646 484 R.C.S. Dax
APE / NAF code
6201Z — Computer programming
EU VAT number
FR31 104 646 484
Email
contact@aikoo.eu
Telephone
06 29 28 79 93
Publication director
Romain Lalanne, President

Host

Both websites are hosted in France by:

Company
OVH SAS
Address
2 rue Kellermann, 59100 Roubaix, France
Telephone
+33 9 72 10 10 07
Website
ovhcloud.com

Intellectual property

The content of these websites — text, astronomical illustrations, logos, graphics, interfaces and code — is protected by copyright and trade mark law. Zenit and Arko are trade marks of Aikoo SAS. Any reproduction, representation, adaptation or distribution, in whole or in part, without the prior written permission of Aikoo SAS is prohibited.

Any third-party trade marks and logos mentioned remain the property of their respective owners.

Liability

Aikoo SAS endeavours to keep the information it publishes up to date. It cannot, however, guarantee that this information is accurate or complete at all times, and accepts no liability for any error, omission or temporary unavailability of the websites.

Hyperlinks

The two websites link to each other, and sometimes to third-party sites — a service provider, a public body. Aikoo SAS has no control over these third-party sites and accepts no liability for their content.

Personal data and cookies

The personal data processed by these websites — including by Cloudflare, which delivers their pages and protects them against abuse — and the cookies they set are described in the privacy policy.

Contact

For any question about this legal notice, write to contact@aikoo.eu.

Cookie settings

Turn each category on or off. Your choice applies to zenit-group.fr and is kept for six months; the “Cookies” link at the bottom of every page brings you back here.

  • Strictly necessary

    Sign-in, form security, remembering this choice. The site does not work without them, so they need no consent.

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    UseDurationPurpose
    Your session__Host-zenit_session12 hours, or 30 days with “Stay signed in”Keeps you signed in to your account.
    Sign-in across Zenit and Arko__Host-zenit_idp12 hours, or 30 days with “Stay signed in”Signs you in to Arko without typing your password again.
    Sign-in in progress__Host-zenit_flow__Host-zenit_authreq__Host-zenit_ecran__Host-zenit_google__Host-zenit_liaison10 minutesWhile you sign in: tie each step to your browser and protect it against hijacking.
    Your cookie choices__Host-zenit_consentement6 monthsRemembers the choices made here.
    Security step during sign-in__Host-zenit_a2f5 to 10 minutesKeeps your sign-in pending while you enter a code, a required new password, or a two-factor recovery code.
    Stay signed in__Host-zenit_duree20 minutesSet when “Stay signed in on this device” is ticked and a code is still to be entered: remembers that choice until sign-in completes.
    Known device__Host-zenit_appareil400 days, renewed at sign-inRecognizes this device for the new sign-in alert. The database stores only its fingerprint.
    Security-link cancellation__Host-zenit_secours_retrait__Host-zenit_a2f_annulation__Host-zenit_restauration15 minutesCarries an emailed link to the remove, cancel or account-restoration button, out of the address bar. Opening it alone changes nothing.
    New password__Host-zenit_resetUp to 15 minutesSet when you click the link in a “forgotten password” email: carries that link to the new-password form, out of the address bar, never longer than the link lasts.
    Newsletter__Host-zenit_lettre15 minutesSet when you click the link in a newsletter email (confirmation or unsubscribe): remembers that link while you press the button on the page.
    Secure payment (Stripe)__stripe_mid__stripe_sid1 year, and 30 minutesLet Stripe, our payment provider, recognise a fraudulent payment. Set only when the payment form is shown.
    Language and theme of your accountzn-languezn-themeBrowser storage, no expiryRemember the language and theme you chose, to show them as soon as a page opens.

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