Independent data room comparisons for UK businessesPrices shown in GBP where publishedUpdated October 2026
DataRooms.uk Find my data room
Menu
Firmex logo

Firmex review

8.8Our overall score
out of 10
Visit Firmex website
Our verdictFirmex suits UK law firms and mid-market advisers who run regular transactions and value an easy room with redaction and responsive support. The trade-off is quote-based pricing, no single sign-on and no AI toolset.

What we like

  • ISO 27001 and SOC 2 certified
  • Q&A with a complete audit trail
  • Document rights control
  • Free trial

Watch out for

  • Pricing by quote only
  • No single sign-on
  • No mobile app
Price from
Quote on request
Free trial
Yes
Security
SOC 2 · ISO 27001
Deployment
Cloud
Founded
2006
Headquarters
Canada

What Firmex costs

Firmex prices by quote: what to ask for

Firmex does not publish a list price, so the quote is where the cost is set. Ask for each of these in writing before you compare offers.

  1. How the price is builtPer page, per gigabyte, per user or a flat room fee, and what counts towards each limit.
  2. Minimum term and noticeThe shortest commitment, how extensions are billed if the deal runs late, and the notice period to close.
  3. Overage chargesWhat happens if you exceed pages, storage or users mid-process, and whether the rate is capped.
  4. Price in pounds and VATA quote in GBP, whether VAT is added on top, and whether the rate is fixed for the term.
  5. Where your data is hostedThe hosting region for your room and how transfers are covered under UK GDPR.
  6. Archive at closeThe cost of an encrypted archive or export once the deal completes, and how long read-only access lasts.
  7. Trial termsHow long the free trial lasts and whether trial content carries over to a paid room.

Comparing several quotes? Our data room costs guide explains the common pricing models.

Where Firmex sits on price

Published entry prices, approx. £ a month

  1. Boxper user £12
  2. Ellty £115
  3. SecureDocs £193
  4. CapLinked £230

Quote on request

  • Ansarada
  • Datasite
  • DealRoom
  • Drooms
  • Firmex
  • iDeals
  • Intralinks
  • ShareVault
  • SmartRoom
  • Venue by DFIN
Firmex is one of 10 providers of 14 that price by quote only. Entry plans differ in what they include, so the cheapest line is not always the cheapest deal. Prices converted at 0.77 to the pound, indicative and may exclude VAT. Source: our facts database.

How Firmex scores

Security & UK GDPR9.0
Deal tools8.3
Ease of use9.0
Value for money8.5
Support9.2

Firmex against the market

How Firmex compares with the UK line-up

FirmexAverage of 14 providers
Security & UK GDPR30% weight
9.0
9.0
Deal tools25% weight
8.3
8.7
Ease of use20% weight
9.0
7.9
Value for money15% weight
8.5
7.9
Support10% weight
9.2
8.7
Firmex scores above the line-up average on 3 of 5 criteria. Scores out of 10. Source: DataRooms.uk scoring, facts as of the update date.

Firmex features against the market

✓ Full audit trail 14 of 14
✓ Dynamic watermarks 14 of 14
✓ Bulk upload 14 of 14
✓ Document rights control 13 of 14
✓ Q&A workflow 12 of 14
✓ Two-factor login 12 of 14
✓ Redaction 7 of 14
✕ Single sign-on 6 of 14
✕ AI tools 5 of 14
✕ API access 4 of 14
✕ E-signature 3 of 14
✕ Mobile app 2 of 14
Bars show how many of the 14 providers we track offer each feature; the mark shows whether Firmex does. Source: our facts database.

Security and compliance

Firmex security and compliance snapshot

7 of 8 checks met

  • SOC 2Yes
  • ISO 27001Yes
  • Two-factor loginYes
  • Single sign-onNot listed
  • Dynamic watermarksYes
  • Document rights controlYes
  • Full audit trailYes
  • RedactionYes
Each card shows whether Firmex offers the control and how many of the 14 providers we track do. Certifications as listed by the provider; ask for current reports before you sign. Source: our facts database.

Features

  • ✓Q&A workflow
  • ✓Full audit trail
  • ✓Dynamic watermarks
  • ✓Redaction
  • ✕E-signature
  • ✕Mobile app
  • ✕API access
  • ✕Single sign-on
  • ✓Two-factor login
  • ✓Bulk upload
  • ✓Document rights control
  • ✕AI tools

UK notes

  • Built-in redaction helps law firms strip personal data before disclosure, which supports UK GDPR data minimisation.
  • No single sign-on, so check whether your firm's IT policy accepts two-factor login instead.
  • Quote-based pricing with a free trial; ask whether a firm-wide subscription works out cheaper than per-deal rooms.

Firmex in brief

Firmex, founded in Canada in 2006, has a reputation for being dependable rather than flashy. It is widely used by legal and mid-market advisory teams who open rooms several times a year and want something their clients can use without a manual. It scores 8.8 overall in our table, helped by high marks for ease of use and support.

Why law firms like it

For a UK solicitors’ practice, the data room is often an extension of the transaction file. Firmex’s combination of structured Q&A, dynamic watermarks, document rights control and built-in redaction covers the jobs a corporate team does on a share purchase or asset deal. Redaction in particular saves time when disclosure documents contain employee names, salaries or customer details that the buyer does not need until later.

Firms regulated by the SRA have their own obligations on client confidentiality and information security, and a room with a clear audit trail makes it easier to show who accessed what. Our law firms page covers the wider checklist.

Law firm needFirmex
Redact before releaseBuilt in
Audit trail for client filesYes
Watermark every pageYes
Q&A tied to documentsYes
Firm-wide SSONo
E-signature in the roomNo

Ease of use is the other reason firms keep coming back. Corporate clients of a law firm may open a data room once in their working lives, and their finance director needs to upload board packs and management accounts without a training session. Our score of 9.0 for ease of use is among the highest in the line-up. Bidder-side solicitors and accountants, who use many different rooms every year, also tend to find their way around quickly, which reduces support calls during a busy diligence week.

A typical UK use is a mid-market share sale where the firm acts for the seller and also hosts the room. Fee earners can set permissions by bidder group, watermark the disclosure bundle, answer questions through the Q&A and keep the full record for the file once completion is done.

Security and certifications

Firmex holds SOC 2 and ISO 27001 and supports two-factor login. It does not offer single sign-on in our data, which some larger firms require for external systems. Under UK GDPR, the firm or its client is the controller of personal data in the room, so ask Firmex for its processing terms, subprocessor list and the location where your files will be held. We have not confirmed its hosting regions.

What it costs

Pricing is by quote, and a free trial is available. Firms that run several deals a year should ask whether a subscription across matters is cheaper than individual rooms, and every quote should be checked for currency, VAT and overrun charges. For the general picture, see data room costs.

Firmex against SmartRoom and iDeals

SmartRoom is a close match on core features but scores lower on ease of use. iDeals adds SSO and an API and scores higher overall, at a likely higher price for a single mid-market deal.

FirmexSmartRoomiDeals
Ease of use score9.07.38.5
Free trialYesNoYes
SSONoNoYes
RedactionYesYesYes

Where it is less suited

Large auctions with heavy buyer analytics needs are better served by Datasite. Teams who want AI-assisted review or e-signature inside the room will not find either in Firmex.

Questions people ask

Is Firmex good for UK law firms?

Yes. Redaction, watermarks, Q&A and a full audit trail suit a corporate team's disclosure work, and its ease of use helps clients who rarely use data rooms.

Does Firmex support single sign-on?

Not according to our data. It does support two-factor login.

Can I try Firmex before buying?

Yes, a free trial is available. Pricing beyond that is by quote.

Where are Firmex rooms hosted?

We have not confirmed its hosting regions. Ask where your room's files will be stored and which safeguards apply under UK GDPR.

Visit Firmex website