19.5
Ellty
Ideal for uK sales, raises and diligence with predictable budgets
- SOC 2 assured
- AI tools built in
UK edition · Updated 9 October 2026
Compare virtual data rooms for UK deals
Independent scores for 14 providers, checked against UK GDPR, priced in pounds where published and matched to the way British transactions actually run.
Start with your deal
Providers we compare
Top three
The leading data rooms for UK businesses
Ranking
All 14 providersThe rest of the shortlist
Overall scores out of 10, weighted for UK priorities.
1 
8.9
Ansarada
Ideal for sellers preparing months ahead of a process
Price: Quote on request Security: SOC 2 · ISO 27001 Free trial: Yes
2 
8.8
Firmex
Ideal for law firms and mid-market advisers running repeat deals
Price: Quote on request Security: SOC 2 · ISO 27001 Free trial: Yes
3 
8.8
Intralinks
Ideal for regulated firms and bank-led transactions
Price: Quote on request Security: SOC 2 · ISO 27001 Free trial: No
4 
8.5
Drooms
Ideal for commercial property sales and on-premise requirements
Price: Quote on request Security: SOC 2 · ISO 27001 Free trial: No
5 
8.5
SmartRoom
Ideal for multi-bidder processes needing tight permission control
Price: Quote on request Security: SOC 2 · ISO 27001 Free trial: No
The basics
What is a virtual data room?
A virtual data room (VDR) is a secure online space where a business shares confidential documents with outside parties during a transaction. Instead of emailing files or opening a shared drive, the seller or company uploads everything to one controlled room, decides exactly who can see each folder, and tracks every view, download and question.
In a UK deal that might mean a buyer's solicitors reviewing contracts and leases, accountants testing three years of management accounts, or investors checking the cap table and Companies House filings before an EIS round. Each party sees only what they need, and the seller keeps a full record of what was disclosed, which later supports the disclosure letter.
How a data room works in practice
- Build the index. Folders mirror the due diligence request list: corporate, finance, commercial, employees, property, IP, IT and data protection.
- Set permissions. Groups for each bidder or adviser, with view-only, print or download rights per folder.
- Invite and answer. Parties sign in, raise questions in the Q&A module and you reply in one auditable place.
- Close and archive. At completion you export the room and its activity log as the record of disclosure.
Why use one
Why UK businesses run deals through a data room
Control over sensitive information
Set rights per folder and per party, block downloads where needed and withdraw access the moment a bidder drops out.
A record that protects the seller
Every document shown and every answer given is logged, which makes it far easier to prove what was fairly disclosed.
A faster, calmer process
Buyers, solicitors and accountants work in parallel from one source instead of chasing email attachments and version numbers.
Insight into buyer interest
Activity reports show which bidders are reading closely and which have gone quiet, useful when you choose who goes through to the next round.
Easier UK GDPR compliance
Personal data such as employee files can be limited to named reviewers, redacted or released late, with a trail showing who accessed it.
Features
Features to look for in a data room
Every serious provider covers the basics. The differences show up in the detail, so use this as a checklist during a free trial.
Security
- ISO 27001 or SOC 2 assurance
- Two-factor login and single sign-on
- Encryption in transit and at rest
- Dynamic watermarks with the viewer's name
Access control
- Permissions per folder and per group
- View-only, print and download settings
- Time-limited or revocable access
- Document rights control after download
Deal workflow
- Q&A with routing and approvals
- Bulk upload that keeps your folder structure
- Automatic index numbering
- Redaction of personal or commercial data
Reporting
- Activity by user, group and document
- Exportable audit trail
- Bidder engagement reports
- Archive copy at completion
UK requirements
- Clear answer on where data is hosted
- A lawful route for any transfer abroad
- A data processing agreement
- Invoices that handle UK VAT correctly
Usability
- Set-up in hours, not weeks
- A clean viewer for non-technical buyers
- Support during UK working hours
- AI tools to help organise and search
Comparison
Data room or OneDrive, Google Drive and Dropbox?
File-sharing tools are fine for day-to-day work. Once a buyer or investor is reviewing confidential material, the gaps start to matter.
| Capability | Virtual data room | File-sharing tools |
|---|---|---|
| Rights per folder for each outside party | Built in | Basic, folder sharing only |
| Dynamic watermark with the viewer's details | Built in | Usually not available |
| Structured Q&A between buyer and seller | Built in | Email or comments |
| Activity report per bidder and document | Built in | Limited logs, depends on licence |
| Block download or revoke after download | Common | Rarely |
| Archive of the room as a record of disclosure | Built in | Manual export |
| Cost | From about £12 a month, often more | Often included in existing licences |
Capabilities of file-sharing tools vary by plan and settings. Data room prices are indicative.
Buying guide
How to choose a data room for a UK deal
Define the deal and who needs access
A share sale to one trade buyer needs far less than a competitive auction with ten bidders and their advisers. Count the parties and the months you expect the room to stay open.
Check security and UK GDPR answers
Ask for the ISO 27001 certificate or SOC 2 report, where documents are hosted and which transfer safeguard applies if data leaves the UK.
Test the features you will actually use
Run a free trial with a real folder structure. Invite a colleague as an outside user, raise a question and try the watermark and download settings.
Compare the full cost in pounds
Convert dollar prices, add VAT treatment and ask what happens if the deal runs two months late. Extension and overage fees are where budgets slip.
Check support and onboarding
Find out who answers when a bidder cannot log in at 8pm before a deadline, and whether help is available in UK hours.
Agree terms before you upload
Confirm the data processing agreement, the archive you receive at completion and how quickly data is deleted afterwards.
The UK angle
What UK buyers should check
Where your data lives
UK GDPR lets you use providers that store data abroad, but you need a lawful transfer route. Ask where documents are hosted and which safeguard applies.
The real cost in pounds
Most providers price in dollars or by quote. We show published prices with an approximate sterling figure, and remind you that VAT may be extra.
The way UK deals run
Takeover Code timetables, AIM admission documents and SEIS/EIS checks each put different demands on a room. Our solution guides cover each one.
Solutions
All solutionsData room solutions for UK deals
Mergers and acquisitions
5 recommended rooms
Selling a business
4 recommended rooms
SEIS and EIS fundraising
4 recommended rooms
Private equity
5 recommended rooms
Commercial property
4 recommended rooms
Life sciences
5 recommended rooms
Law firms
5 recommended rooms
AIM IPO
4 recommended rooms
Administration and insolvency
5 recommended rooms
Energy and infrastructure
5 recommended rooms
How we score
Our methodologyFive criteria, weighted for UK deals
Security & UK GDPR30%
Deal tools25%
Ease of use20%
Value for money15%
Support10%
Common questions
Which virtual data room is best for UK deals?
On our UK-weighted scoring, Ellty comes first (9.5 out of 10), followed by iDeals and Datasite. The right room depends on the deal: a SEIS round, an AIM admission and a commercial property sale need different things, which is why we also rank by sector.
Do I need a data room that hosts data in the UK?
Not necessarily. UK GDPR allows transfers outside the UK with the right safeguards, such as adequacy or the UK International Data Transfer Agreement. Ask every provider where your documents will be stored and which transfer mechanism applies, and record the answer in your data protection records.
How much does a data room cost in the UK?
Rooms with published pricing start from roughly £12 to £230 a month at current exchange rates. Enterprise providers quote per project, and mid-market UK deals commonly cost a few thousand pounds. Prices are indicative and may exclude VAT.
Are virtual data rooms secure?
A well-run data room is far more controlled than email or a shared drive: every user signs in, permissions are set per folder, downloads can be blocked, pages carry a watermark with the viewer's name and every action is logged. Security still depends on set-up, so use two-factor login, review permissions before each new party joins and check the provider's ISO 27001 or SOC 2 report.
What are the downsides of a data room?
Cost is the obvious one, especially if a deal runs late and you pay for extra months. Some rooms take time to configure, and outside parties need to learn a new tool. Choosing a provider with published pricing, a simple interface and a free trial reduces most of these problems.
Is OneDrive, Google Drive or Dropbox a data room?
No. They are file-sharing tools. They can share folders securely, but they lack the controls a transaction needs: a structured Q&A process, dynamic watermarking, granular view-only rights, detailed activity reports per bidder and a clean archive at completion.
Are your rankings paid for?
No. Some links are affiliate links and are labelled, but every provider is scored on the same five criteria. Our methodology page explains how.