[ 01 ]
Files & Documents
A single private drive for every team. Sync from any device, share with granular rights, recover any version.
- End-to-end encrypted sync
- Granular share permissions
- Unlimited version history
LEARN MORE→
[ EST · 2026 ]
UK
UKUK REGION · LIVE
Request demoNow live in the UKv8.4
One workspace. Every app your team actually needs.
Files, mail, calendar, calls, editors and ERP — in a single private workspace, running in our UK region or in your own data centre. No third-party licences. No data hostage. Just the productivity stack your organisation actually owns.
HOSTED
UK region
SCALE
12M+ seats
CERTIFIED
ISO · SOC 2 · GDPR
ONE PLATFORM002
Eight first-class apps. One identity.
Everything your team needs to work — files, mail, calendar, calls, editors, ERP, mobile and collaboration — built into a single workspace, on infrastructure you own.
[ 02 ]
Online Editors
Documents, spreadsheets and presentations — co-authored in real time, fully compatible with Office and ODF.
- .docx / .xlsx / .pptx compatibility
- Real-time co-authoring
- Inline comments & suggestions
LEARN MORE→
[ 03 ]
Enterprise email under your own roof, with policies, retention and discovery you actually control.
- IMAP / SMTP / Exchange-style
- DKIM · SPF · DMARC by default
- Server-side rules & policies
LEARN MORE→
[ 04 ]
Calendar & Contacts
One unified directory across the organisation, with shared calendars, resources and free/busy across teams.
- CalDAV / CardDAV
- Shared & resource calendars
- Active Directory federation
LEARN MORE→
[ 05 ]
Voice & Video
Secure calling and conferencing inside the same workspace — no third-party meeting links, no surprise transcripts in someone else's cloud.
- 1:1 & group calls
- Meeting rooms with passcodes
- Screen share & whiteboard
LEARN MORE→
[ 06 ]
ERP
Finance, HR and operations modules wired into the same identity, the same files, and the same audit trail.
- Finance & ledger
- HR & payroll
- Procurement & inventory
LEARN MORE→
[ 07 ]
Mobile
Native iOS and Android with full offline. The desktop experience, in your pocket, including encrypted calls.
- Offline files & mail
- Push without third parties
- Biometric unlock
LEARN MORE→
[ 08 ]
Collaboration
Chat, channels, comments and shared spaces — so conversation, files and decisions live in the same place.
- Channels & threads
- @mentions across apps
- Shared team spaces
LEARN MORE→
SECURITY004
Data that actually stays yours.
OneOffice is built on the principle that productivity data is the most sensitive data a company has — and ought to be treated that way. Encryption is non-negotiable, hosting is sovereign, and the only people with the keys are the people you choose.
ISO 27001SOC 2 Type IINHS DSPTGDPRNCSC CSP
ENCRYPTION · LIVE
UK · ISO 27001
01
Sovereign Hosting
UK and EU regions. Your data never leaves the jurisdiction you choose.
02
Per-Tenant Keys
Customer-managed keys with optional HSM. We can't read your data even if we tried.
03
Zero Third-Party Licences
No third-party SaaS sitting under the hood charging per seat — what you license is what you run.
04
Audit-Ready by Default
Immutable event log across every app, retained for as long as your compliance team wants.
05
Identity You Control
Native SSO, OIDC, SAML and LDAP. Bring your existing directory, keep your existing policies.
06
Compliance Maps
Aligned with ISO 27001, SOC 2, NHS DSPT, NCSC Cloud Security Principles and GDPR.
THE APPS003
A closer look at what's inside.
Tap a module to see what it ships with. Everything below is included in the platform — there is no upsell tier and no third-party plug-in tax.
/ FILES
Your private drive, accountable by design.
Drop files in. Share with anyone inside or outside the organisation, with the controls your compliance team actually wants. Every action lands in an immutable audit log.
ENCRYPTION
AES-256 · per-tenant keys
SHARING
Granular · expirable · watermarked
VERSIONS
Unlimited · pinned · restorable
RETENTION
Legal hold · WORM mode
/ files
01
02
03
04
05
06
07
FILES · ENCRYPTED
MOBILE005
The desktop, in your pocket.
Native apps for iOS and Android — full offline, encrypted local storage, biometric unlock, push without third-party gateways. The same workspace, exactly.
- Native iOS and Android, not a wrapped web app
- Encrypted offline mail, files and notes
- Biometric unlock and remote wipe
- Push notifications without third-party gateways
- MDM-friendly (Intune · Jamf · MobileIron)
- Same identity, same data, no separate sign-in
FILES
COLLABORATION006
Where work actually happens.
Channels, threads, comments, mentions and shared spaces — wired to the same files, calendars and identities as the rest of the workspace. The conversation and the work, in the same room.
# operations
4 ONLINEEW
Eleanor W.10:42
Quarterly board pack is in the share — ETA 2pm.
RS
Rajiv S.10:42
Pulled the latency dashboard into the deck.
CM
Cassandra M.10:42
SOC sign-off attached. We're green.
TO
Tomás O.10:42
Pinned the meeting notes.
Message #operations…ENTER ↵
SHARED FILE
Q2-board-pack.docx
EWRSCM+2
3 EDITING · 2 REVIEWING
DECISION · PINNED
Ship v8.4 to UK region Friday. Hold EU until DPA refresh.
5 ACKS · 0 BLOCKERS→
01
Channels
Persistent rooms with file-level history and pinned decisions.
02
Threads
Conversations that don't bury the rest of the channel.
03
Mentions
Address people, channels, files — anything in the workspace.
04
Spaces
Project-shaped workspaces with their own files, calendars and members.
05
Search
Federated across mail, files, calls and chat.
06
Presence
Who's online, who's in a meeting, who's heads-down.
HYBRID CLOUD007
Run it anywhere.
Public cloud in our UK region, hybrid across your own data centre, or fully air-gapped on-prem. Pick the deployment that fits your regulator, not the other way around.
UK REGIONS
3 · live
SLA
99.99%
LATENCY · UK
< 50ms
AIR-GAP
Supported
/ DEPLOYMENT · PRIVATE CLOUDHEALTHY
Single-tenant UK region
Dedicated infrastructure
Customer-managed keys
Up to 99.99% SLA
CUSTOMERS008
Organisations that moved their work in-house.
A small selection of the deployments we are permitted to discuss. The rest of the customer list is shared under NDA on request.
01
Financial Services
2025
Tier-1 UK Insurer
Replaced four overlapping productivity suites with one sovereign workspace.
£3.2M saved per year · 11,400 seats migrated
READ FULL STORY→02
Healthcare
2025
NHS Acute Trust
Brought clinical documents, mail and calls into a single in-region workspace.
27% admin-time reduction · DSPT compliant
READ FULL STORY→03
Education
2024
Higher Education · Russell Group
Gave 38,000 students and staff a unified workspace running in our UK region.
GDPR-clean by design · 38k seats live
READ FULL STORY→04
Public Sector
2024
UK Government Department
Stood up an air-gapped OneOffice environment for sensitive policy work.
Cleared environment · OFFICIAL-SENSITIVE
READ FULL STORY→PRICING009
Pricing built around your organisation.
Per-user pricing doesn't fit every org, and listed tiers rarely match what enterprises actually buy. We quote in GBP, in writing, against the deployment you actually want.
Quoted in GBP.£ · BILLED · ANNUALLY
We don't publish a per-seat list price. Your costs depend on deployment, region, seat count, support tier and whether you want managed services on top. A consultation gets you a written estimate against your specific shape — usually inside three working days.
Every app · Files, Mail, Calendar, Calls, Editors, ERP, Chat
UK-region hosting · ISO 27001, SOC 2, GDPR by default
Customer-managed encryption keys
Native iOS and Android apps
24/7 enterprise support · UK-based
Identity federation · SSO, SAML, OIDC
Audit log · retention · legal hold
Migration assistance from existing suites
/ MOST COMMON QUOTES
A rough sense — not a price list.
100–500 seats
SINGLE UK REGION · STANDARD SUPPORT
From £18k / yr
500–5k seats
MULTI-REGION · 24/7 SUPPORT · SSO
From £92k / yr
5k+ seats
HYBRID OR ON-PREM · CMK · TAM
Bespoke
On-prem / air-gap
YOUR DATA CENTRE · PERPETUAL + SUPPORT
Bespoke
Indicative only. Final quote depends on your environment and assumptions.
REQUEST A DEMO010
See OneOffice running on your shape.
A 30-minute walkthrough — your domain, your seat count, your deployment. No slideware. We come back with a written GBP quote within three working days.
London
1 Finsbury Avenue
London EC2M 2PF
London EC2M 2PF
+44 20 4570 8800
Manchester
No. 1 Spinningfields
Manchester M3 3AP
Manchester M3 3AP
+44 161 359 5200
Edinburgh
Quartermile, Lauriston Place
Edinburgh EH3 9EY
Edinburgh EH3 9EY
+44 131 581 2400
SALES
sales@oneoffice.co.uk
SUPPORT
support@oneoffice.co.uk
PARTNERSHIPS
partners@oneoffice.co.uk
PRESS
press@oneoffice.co.uk