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ONLYOFFICE

onlyoffice.com ↗

Latvian-made, AGPL open-source office suite competing with Microsoft and Google as a self-hosted alternative.

Losing its protection
Assessed 23 July 2026 · Evidence as of 23 July 2026
The structural protection is eroding.
On the recordSince 23 July 2026 · Checkable from H2 2026 · Every call on the record Checkpoint: German federal and other EU public-sector procurement decisions following the Bundestag presentation
The call

ONLYOFFICE built the code and the sovereignty pitch that a better-funded EU coalition just forked and is now selling back to the same government buyers.

ONLYOFFICE builds document software that companies and governments can run on their own servers instead of using Microsoft Office or Google Docs. It was hard to replace because it reads Microsoft files perfectly, works in Europe where privacy matters, and had 15 years of customers. The problem is that its own software code was free to copy under open-source rules, so a group backed by Nextcloud, IONOS, and Proton made Euro-Office, a cleaner version using ONLYOFFICE's same code but with better European support. ONLYOFFICE only survives if it can find new customers without Nextcloud's help and keep the ones it already has from switching to Euro-Office.

Why
01
AI pressure: Microsoft 365 Copilot. Copilot bakes AI drafting and summarizing into Word and Excel, raising the bar ONLYOFFICE's self-hosted suite has to match without big AI budgets. Could AI do the core job? Only partly.
02
Bigger players: Euro-Office (Nextcloud, IONOS, Proton, XWiki, OpenProject, Eurostack coalition). Euro-Office forked ONLYOFFICE's own AGPL code, shipped a stable release in June 2026, and took over the Nextcloud distribution channel ONLYOFFICE relied on. Could a giant copy it? No, they are blocked.
03
What protects it. 15 years of OOXML-compatible code, a paying installed base like Lyon's city government, and profits that don't depend on outside investors.
What would change this call
German federal, French municipal, or Dutch government picks Euro-Office or Collabora over ONLYOFFICE for a new deployment in 2026-2027. would confirm ONLYOFFICE's EU sovereignty moat is being lost to the fork.
Nextcloud or Proton bundles Euro-Office instead of ONLYOFFICE for existing joint customers. would show active displacement at accounts ONLYOFFICE previously held via that channel.
ONLYOFFICE announces hosted DocSpace growth or a marquee EU contract win against Euro-Office. would show ONLYOFFICE rebuilding independent distribution and defending its market.
Key numbers
  • ~$12.1M revenue, ~7M users (2025-09-01)
  • 110-119 employees, +30 hires in 2025 (2025-12-23)
  • Euro-Office fork shipped stable release (2026-06-09)
Named risks
  • Euro-Office fork, built from ONLYOFFICE's own AGPL code, targets its core EU sovereignty procurement niche. Severity: high
  • Loss of 8 year Nextcloud distribution partnership as of April 2026 removes a key channel to self-hosted buyers. Severity: high
  • Legacy ties to Russian ownership create reputational exposure among EU public sector buyers despite 2023 restructuring. Severity: medium
  • Public revenue and headcount figures rely on unverified third party estimates rather than audited disclosures. Severity: medium
  • Collabora's renewed release cadence in July 2026 adds a second well funded open source rival simultaneously. Severity: medium
Rivals, as read in July 2026
RivalDirectionEvidence
Euro-Officelosing toEU native fork of ONLYOFFICE's own code shipped stable release June 9, 2026 with Nextcloud, IONOS, Proton backing
Nextcloudlosing to8 year integration partnership suspended April 2026 after Nextcloud joined rival Euro-Office coalition
Collabora OnlinecontestingShipped Collabora Office 26.04 in July 2026 positioned against both ONLYOFFICE and Euro-Office
Microsoft 365 and Google Workspacegaining onMicrosoft admitted in French Senate testimony June 10, 2025 it cannot offer self hosted EU sovereign alternative
R7-OfficecontestingRussian market fork fully separated by 2023, reportedly took VK Group minority stake in 2025 per ONLYOFFICE's own account
Questions people ask
Is ONLYOFFICE profitable?
ONLYOFFICE discloses no audited financials. It is privately held and bootstrapped with no reported venture funding as of September 2025, and the company describes itself as cash generating, but no independent profit figures exist to confirm profitability.
Could AI replace ONLYOFFICE?
Unlikely to fully replace it. ONLYOFFICE's self-hosted, AGPL licensed, OOXML compatible editor serves sovereignty focused institutional buyers like the City of Lyon, a niche AI copilots inside Microsoft 365 or Google Workspace cannot serve due to cloud jurisdiction constraints, per French Senate testimony from June 10, 2025.
Who owns ONLYOFFICE?
ONLYOFFICE is developed by Ascensio System SIA in Riga, Latvia, owned via Ascensio System Ltd (UK) by ONLYOFFICE Capital Group Pte Ltd, a Singapore holding company incorporated May 24, 2023, which the company says completed its separation from prior Russian ownership.
Who is ONLYOFFICE's biggest competitor?
Euro-Office, an EU native fork of ONLYOFFICE's own AGPL codebase backed by Nextcloud, IONOS, Proton, XWiki, OpenProject and Eurostack, shipped its first stable release on June 9, 2026, directly targeting the same EU sovereignty procurement market ONLYOFFICE built its business on.
Is ONLYOFFICE a Russian company?
Ascensio System SIA, ONLYOFFICE's operating entity, was historically a subsidiary of Russia based New Communication Technologies, which triggered EU sanctions exposure. The company restructured under a Singapore holding company in May 2023, which it says separated it from Russian ownership.
Did ONLYOFFICE lose its Nextcloud partnership?
Yes. ONLYOFFICE suspended its 8 year Nextcloud integration partnership in early April 2026 amid a licensing dispute over the Euro-Office fork, though the underlying software connector reportedly continues to function, per Computerworld reporting dated April 2, 2026.
Timeline
  • 2026-07-08Collabora ships Office 26.04 release explicitly positioned against ONLYOFFICE and Euro-Office
  • 2026-06-09Euro-Office, a fork of ONLYOFFICE's AGPL code, ships its first stable release
  • 2026-06-08ONLYOFFICE releases DocSpace 3.7 with AI file generation and multi provider AI support
  • 2026-04-21ONLYOFFICE publishes rebuttal calling FSF's AGPL clarification on Euro-Office dispute 'just an opinion'
  • 2026-04-02ONLYOFFICE suspends 8 year Nextcloud integration partnership amid licensing dispute
  • 2026-03-27Euro-Office fork presented to the German Bundestag
  • 2026-01-29ONLYOFFICE ships AI plugin update enabling custom in editor AI assistants
  • 2025-07-07Company cites City of Lyon municipal adoption in 15 years of ONLYOFFICE retrospective
  • 2024-11-01ONLYOFFICE launches Virtual Data Rooms feature with automated indexing
  • 2023-08-16ONLYOFFICE opens Singapore holding company, Ascensio System Capital Group Pte Ltd
Revision history
23 July 2026
First assessed. Losing its protection. The text above is fixed as of this date and is not edited afterwards.
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