Nextcloud vs Wire

Comparez Nextcloud et Wire sur les capacités, la juridiction, les garanties et l'adéquation pour les acheteurs européens.

Logo: Wire

Wire

Switzerland· Groupware

Needs review

Shortlist Wire when you need always-on E2EE collaboration (MLS), Swiss legal entity, open-source clients/server, and a credible path from EU cloud to on-prem/federation. Skip when you need deep Microsoft 365/Slack app ecosystems or a pure non-AWS/US-SaaS subprocessor footprint—consider Nextcloud Talk or a Germany-hosted managed messenger such as ginlo Business instead.

E2EE + MLSOpen sourceOn-prem / self-hostSwiss HQEU cloud regionsISO 27001/27701 (claimed)
Nextcloud vs Wire: Aperçu
CaractéristiqueLogo: NextcloudNextcloudLogo: WireWire
Pays d'origineGermanySwitzerland
CatégorieCloud ComputingGroupware
Open sourceOuiOui
Auto-hébergéOuiOui
SiègeNon indiquéSwitzerland
Entité légaleNon indiquéWire Swiss GmbH (CHE 432.881.146), Untermüli 9, CH-6300 Zug; EU rep Wire Germany GmbH, Berlin
Droit applicableNon indiquéSwiss law (business ToU for non-US use); jurisdiction Zurich
Maison mère / contrôle USNon indiquéAucune maison mère US connue
Exposition CLOUD Act (indicative)Non indiquéMoyen
Hébergement / résidenceNon indiquéCloud: servers in Germany and Ireland per security pages; DPA lists Amazon Web Services EMEA SARL for hosting (EU). Other subprocessors include Google Cloud EMEA (email), Zendesk, HubSpot, Salesforce (Germany processing location stated), Stripe (USA/SCCs), Box, ContractHero, Countly (Germany), Wire Germany GmbH. On-prem customers host in their own environment.
Résumé

Open-source, self-hosted content collaboration Hub from Nextcloud GmbH (Germany): Files, Talk, Groupware, Office, local AI Assistant, and Flow—an on-prem alternative to Microsoft 365-style suites.

Swiss open-source secure messenger from Wire Swiss GmbH: always-on E2EE messaging, calls, and files (MLS), cloud or on-premises, for regulated teams and public sector.

Tags
En un coup d'œil: Nextcloud vs Wire
En un coup d'œilLogo: NextcloudNextcloudLogo: WireWire
HQNon indiquéZug, Switzerland (Wire Swiss GmbH)
EU representativeNon indiquéWire Germany GmbH, Berlin
ProductNon indiquéE2EE messenger + calls + files; optional Drive
DeploymentNon indiquéEU cloud and/or on-prem / private cloud
Open sourceNon indiquéYes (clients GPL-3; server AGPL-3)
Hosting (cloud)Non indiquéDE/IE regions; AWS EMEA (per DPA)
Key capabilities: Nextcloud vs Wire
Key capabilitiesLogo: NextcloudNextcloudLogo: WireWire
E2EE + MLSNon indiquéOui
Open sourceNon indiquéOui
On-prem / self-hostNon indiquéOui
Swiss HQNon indiquéOui
EU cloud regionsNon indiquéOui
ISO 27001/27701 (claimed)Non indiquéOui

Nextcloud

  • Synchronisation et partage sécurisés de fichiers

    Synchronisation chiffrée de bout en bout sur tous les appareils, avec liens publics, permissions et dates d'expiration. Avantages : accès distant sécurisé sans fuite de données — idéal pour les équipes manipulant des fichiers sensibles.

  • Collaboration et bureautique en temps réel

    Intégration de Collabora et OnlyOffice pour l'édition collaborative de documents. Talk permet chat et visioconférence. Productivité comparable à Google Workspace, mais auto-hébergée pour la confidentialité.

  • Groupware et suite de productivité

    Calendrier, contacts, mail et tâches dans une seule application. Flow automatise les workflows ; Assistant utilise l'IA locale pour traductions et résumés. Centralise les outils et réduit la fragmentation applicative.

Wire

  • Always-on MLS / E2EE for chat, calls, and files

    Messaging, conference calls, and in-app file shares are end-to-end encrypted by default—no toggle. Wire markets full-product MLS (IETF Messaging Layer Security) for scalable group key exchange, alongside Proteus/Double Ratchet heritage for pairwise messaging and SRTP/DTLS for calls. Suits orgs that reject optional encryption modes.

  • Guest rooms and external collaboration

    Invite outsiders into E2EE conversations via guest rooms in the browser without requiring a full account download, plus external team members with lifecycle controls (removal drops their history access). Practical for contractors, clients, and inter-org projects that must stay off consumer WhatsApp.

  • Cloud, on-premises, air-gap, and federation

    Run managed Wire Cloud or deploy on-premises/private cloud—including air-gapped networks—with optional federation between isolated Wire backends and admin control over which backends may interconnect. Aimed at governments and CNI that cannot accept pure SaaS only.

  • Enterprise identity: SSO, SCIM, and admin policy

    Enterprise tier adds SAML-based single sign-on, SCIM provisioning, and granular admin controls (for example enforce app lock, restrict self-deleting messages). Built for complex directories rather than only self-serve SMB signup.

  • Open-source clients, server, and crypto

    Wire publishes client, server (wire-server, AGPL-3.0), and core-crypto components on GitHub for independent review. Multi-device accounts (up to 8 devices) with ID Shield certificate-based device verification reduce manual fingerprint workflows while keeping device trust visible.

Assurance & compliance: Nextcloud vs Wire
Assurance & complianceLogo: NextcloudNextcloudLogo: WireWire
Independent security / crypto auditNon indiqué
Partial

Vendor publishes Security/Privacy whitepapers and states external pen tests and ISO audits in TOMs; public third-party audit PDFs (e.g. historic Kudelski/X41 claims in secondary sources) were not re-verified as current primary evidence during this draft.

ISO 27001Non indiqué
Vendor claimed

Asserted on Wire security marketing page; request certificate in procurement.

ISO 27701Non indiqué
Vendor claimed

Asserted alongside ISO 27001 on security page; not independently verified here.

SOC 2 / SOC 3Non indiqué
Not found

No public SOC 2/3 claim located on security/legal pages during research.

Cyber Essentials (UK)Non indiqué
Vendor claimed

Asserted on security page as UK government-backed baseline certification.

GDPR / EU data protectionNon indiqué
Vendor claimed

Swiss FADP controller; GDPR for EU/EEA individuals; EU Art. 27 representative Wire Germany GmbH; public privacy policy and DPA.

US CLOUD Act exposure (indicative)Non indiqué
Partial

Swiss entity / no known US parent, but AWS EMEA hosting and US-parent SaaS subprocessors (Stripe, HubSpot, Salesforce, Zendesk corporate groups; APNs/FCM push). Not legal advice.

Data processing agreement (B2B)Non indiqué
Vendor claimed

Public Art. 28 GDPR Processing Agreement with TOMs and Annex 2 subprocessor list (updated March 12, 2025 on page).

EU AI ActNon indiqué
Not applicable

Secure messaging/collaboration product; not marketed as an AI system core offering.

Considerations & known limitations: Nextcloud vs Wire
Considerations & known limitationsLogo: NextcloudNextcloudLogo: WireWire
AWS EMEA + US-parent SaaS subprocessorsNon indiqué
Medium

Even with DE/IE regions and a Swiss controller, cloud tenants depend on AWS EMEA and several US-group tools for hosting, CRM, support, or payments. On-prem reduces hosting dependency but not necessarily all vendor-side SaaS.

Wire Drive is not client-side E2EENon indiqué
Medium

DPA distinguishes messenger E2EE from Drive encryption-at-rest with possible operator access. Misclassifying Drive as zero-knowledge chat storage creates compliance risk.

ISO / Cyber Essentials need certificate proofNon indiqué
Low

Certifications are prominently claimed on marketing pages but should be validated with current certificates and scope statements before audit reliance.

Mobile push via APNs/FCMNon indiqué
Low

Standard mobile delivery path involves Apple/Google push infrastructure for wake-ups; Wire states content is not shared. F-Droid build available to avoid FCM.

Adéquation

Nextcloud

Best fit when

Non indiqué

Poor fit when

Non indiqué

Wire

Best fit when

  • Enterprises and public sector needing default E2EE for chat, calls, and files—not optional modes
  • Buyers evaluating MLS / post-quantum-ready group crypto roadmaps
  • Orgs that want open-source clients and server for independent review
  • Deployments that may start on EU cloud and later move to on-prem, air-gap, or federated backends
  • Teams that must collaborate with guests/contractors without forcing full seats or consumer WhatsApp
  • Swiss or EU procurement expecting a European legal entity and published DPA/subprocessor list

Poor fit when

  • Teams standardised on Teams/Slack primarily for apps, bots, and Office workflows rather than message confidentiality
  • Buyers requiring zero US-group cloud or US SaaS subprocessors (Wire Cloud uses AWS EMEA and several US-parent tools)
  • Use cases that depend on Wire Drive as if it were client-side E2EE messenger storage
  • Very small groups that only need a simple consumer messenger without admin, SSO, or on-prem

Consider instead when

  • When: You want a German managed business messenger with AD/LDAP cockpit and no self-host requirement

    Consider: ginlo Business

    Stronger Germany-hosting contract language; weaker open-source/on-prem story than Wire

  • When: Chat is secondary to self-hosted files, calendars, and groupware you already run

    Consider: Nextcloud (Talk / groupware)

    Broader collaboration suite; different crypto/admin model than Wire MLS messenger

  • When: You need the Microsoft 365 or Slack ecosystem more than E2EE-by-default

    Consider: Microsoft Teams or Slack

    Richer workplace integrations; weaker default E2EE and European sovereignty story

Open questions for due diligence

Nextcloud

Non indiqué

Wire

  • Can the vendor provide current ISO 27001/27701 and Cyber Essentials certificates with scope covering the proposed deployment?
  • For our data classification, which workloads stay on messenger E2EE versus Wire Drive?
  • What exact AWS regions/AZs and backup/DR locations apply to our cloud tenant?
  • Which enterprise features require on-prem versus cloud, and what federation limits apply across backends?
  • Are independent crypto/security assessment reports available under NDA, and how recent are they?