Data room software for law firms
Law firms hosting rooms for clients across transactions, disputes and regulatory matters. Process, documents, security points, a ranking of 18 platforms and cost guidance. Updated October 2026.
Law firms open data rooms for clients on deals, for opposing counsel in disputes and for regulators on request. The software often carries the firm's name in front of the client, so reliability and a clean guest experience matter as much as the security sheet.
Security controls and admin experience share the top weight here. Firms also tend to care about redaction inside the room and an audit trail that holds up as evidence.
How the process runs
Law firms use data rooms in two ways: to host transactions for clients, and to review the other side's documents. A firm may run dozens of rooms at once across corporate, finance, real estate and disputes work, each with different clients, counterparties and retention rules.
The software has to fit how a firm already works. Single sign-on with the firm's identity provider, matter-based room naming, redaction of privileged or personal data, and clear activity exports that can be shared with the client all count. Firms also tend to have stricter security reviews than their clients.
Stages of a typical law firms process
Matter opening
Room created per matter with client and team groups.
Disclosure
Documents reviewed, redacted where needed, released.
Negotiation
Q&A and mark-ups tracked against the record.
Close and retain
Archive kept under the firm's retention policy.
What the software has to do
- Redaction in the room
- Black out privileged or personal passages without keeping two versions of every file.
- Evidence-grade logging
- An audit trail with timestamps per view, download and print, exportable for a court or regulator.
- Firm-wide identity
- Single sign-on for lawyers and staff, two-factor login for clients and counterparties.
- Many short rooms
- Quick room creation from templates, because a firm may run dozens of small matters at once.
Documents the room usually holds
A starting point for the index. Number the top-level folders and keep the numbers stable once guests are in.
- Engagement and conflict records
- Transaction documents and drafts
- Disclosure letters and schedules
- Privileged advice (restricted)
- Court or regulatory filings
- Expert reports
- Correspondence bundles
- Completion bibles and archives
Security and compliance points
- Privilege control
- Restricted folders and redaction keep privileged material away from the other side.
- Identity
- Single sign-on and two-step login for firm users, as the firm's IT policy requires.
- Personal data
- Redaction of personal data before disclosure, logged in the room.
- Retention
- Archives held for the period set by the firm's risk and regulatory rules.
Ranking for law firms
All 18 platforms, scored on the six criteria with this page's weights (deal workflow coverage 24%, security controls 24%) plus up to 0.3 for vendor positioning.
| # | Platform | For law firms | Overall fit score | Workflow | Security | Entry price | |
|---|---|---|---|---|---|---|---|
| 1 |  ElltyVirtual data room | 8.70 | 8.7 | 9.0 | 8.4 | $149/mo | Visit Ellty |
| 2 |  DatasiteVirtual data room | 8.53 | 8.5 | 9.7 | 9.7 | Quote | Profile |
| 3 |  iDealsVirtual data room | 8.48 | 8.3 | 9.7 | 9.7 | Quote | Profile |
| 4 |  AnsaradaVirtual data room | 8.23 | 8.2 | 9.0 | 9.4 | Quote | Profile |
| 5 |  BoxFile-sharing platform | 8.11 | 8.1 | 5.3 | 9.2 | $15/user | Profile |
| 6 |  IntralinksVirtual data room | 8.00 | 7.7 | 9.6 | 9.7 | Quote | Profile |
| 7 |  DroomsVirtual data room | 7.97 | 7.9 | 9.3 | 9.4 | Quote | Profile |
| 8 |  FirmexVirtual data room | 7.89 | 7.5 | 9.0 | 9.2 | Quote | Profile |
| 9 |  Citrix ShareFileFile-sharing platform | 7.75 | 7.6 | 5.7 | 9.0 | $55/mo | Profile |
| 10 |  SecureDocsVirtual data room | 7.56 | 7.5 | 7.5 | 7.1 | $250/mo | Profile |
| 11 |  CapLinkedVirtual data room | 7.51 | 7.4 | 8.3 | 7.5 | $299/mo | Profile |
| 12 |  SmartRoomVirtual data room | 7.42 | 7.2 | 9.3 | 9.4 | Quote | Profile |
| 13 |  ShareVaultVirtual data room | 7.28 | 7.1 | 8.3 | 9.2 | Quote | Profile |
| 14 |  DealRoomVirtual data room | 7.28 | 7.1 | 8.6 | 9.0 | Quote | Profile |
| 15 |  Venue by DFINCapital markets room | 7.00 | 6.7 | 8.8 | 8.8 | Quote | Profile |
| 16 |  OnehubFile-sharing platform | 6.73 | 6.6 | 4.7 | 6.8 | $15/mo | Profile |
| 17 |  DigifyDocument tracking tool | 6.21 | 6.0 | 5.1 | 6.8 | $120/mo | Profile |
| 18 |  DocSendDocument tracking tool | 5.78 | 5.5 | 3.4 | 6.3 | $45/user | Profile |
Values out of 10 plus the positioning bonus. Criterion scores out of 10. Prices in USD, indicative.
Weights for Law firms against the default
Key features for this work
- In-app redaction
- Black out personal data or privileged passages inside the room instead of re-uploading edited files.
- Activity log
- A log of who opened, downloaded or printed which file and when, exportable for the deal record.
- File-level access rights
- Per-file control over view, print and download, sometimes with view-only or expiring access.
- SSO sign-in
- Staff log in with company credentials through an identity provider (SAML or OpenID Connect).
- Q&A workflow
- Buyers post questions inside the room; the seller routes, answers and publishes them with a full record.
- 2-step verification
- A second login step (code or app) for admins and guests.
3 of 18 platforms list all 6 of these features: Datasite, iDeals, Intralinks.
Key features, ten highest ranked for law firms
| Redact | Audit log | Rights | SSO | Q&A | 2FA | Listed | |
|---|---|---|---|---|---|---|---|
| Ellty | 4/6 | ||||||
| Datasite | 6/6 | ||||||
| iDeals | 6/6 | ||||||
| Ansarada | 5/6 | ||||||
| Box | 3/6 | ||||||
| Intralinks | 6/6 | ||||||
| Drooms | 5/6 | ||||||
| Firmex | 5/6 | ||||||
| Citrix ShareFile | 4/6 | ||||||
| SecureDocs | 4/6 | ||||||
| Platforms listing it | 5 | 10 | 9 | 6 | 8 | 10 |
Questions to ask the vendor
- Does the platform support single sign-on with our identity provider?
- Is redaction built in, and is each redaction logged?
- Can rooms be named and grouped by matter and client?
- Is there a firm-wide agreement covering many rooms?
- What does the vendor provide for our security questionnaire?
Evaluation checklist
Run these in a trial room or a demo with a folder of real documents.
- Run the security questionnaire
Send your standard questionnaire early; it often takes longer than the trial.
- Test redaction
Redact personal data in a sample file and check the original stays protected.
- Check identity integration
Confirm single sign-on and two-step login work with your setup.
- Set up a matter template
Create a standard room with client, firm and counterparty groups.
- Export for the client
Produce an activity report you would be comfortable sending to a client.
- Agree commercial terms
Compare per-room pricing with a firm-wide agreement for your expected volume.
Mistakes to avoid
- Relying on email attachments for disclosure, which leaves no record of what the other side received.
- Redacting outside the room and uploading edited copies, which breaks version history.
- Skipping the vendor security questionnaire that the firm's own clients will ask about later.
What it costs
Firms that open many rooms a year should compare per-room quotes with a firm-wide agreement. Per-user plans grow quickly once partners, associates and paralegals all need seats.
| Pricing model | Platforms | Total for 6 months | Basis |
|---|---|---|---|
| Flat monthly plan | 6 | $144 to $2,870 | Published entry price scaled for a competitive process, 6 months |
| Per user | 2 | $1,080 to $3,240 | Published seat price x 12 seats, 6 months |
| Quote per project | 10 | $10,800 to $33,000 | Our market band for a competitive process, 6 months (estimate) |
Indicative USD. Published prices come from vendor pages; quote-only platforms are shown as our labelled market band, never as a vendor price. The calculator below starts from this page's typical room; change any input.
USD estimates for planning; each vendor confirms its own figure. Flat plans grow with room size from the listed starting price. Platforms that quote per project show the middle of our market band for that size, labelled "estimate", and never an invented vendor price.
More on models, hidden costs and negotiation in the pricing guide.
Frequently asked questions
Why do law firms need data room software?
To share deal and dispute documents with clients and counterparties in a controlled space, with permissions, redaction, watermarking and an audit trail that shows exactly what was disclosed.
Which security certificates should a law firm ask for?
SOC 2 reports and ISO 27001 certificates are the common ones. Ask whether the certificate covers the vendor itself or only its hosting provider.
Is redaction a standard data room feature?
No. Of the 18 platforms we profile, only some list built-in redaction. Check the feature list before assuming it is there.
Do law firms pay for data rooms or pass the cost to clients?
Both happen. Some firms recharge the room as a disbursement per matter; others hold a firm-wide agreement and treat it as an overhead.
Is built-in redaction necessary?
Not always, but it saves re-uploading edited files and keeps a record of what was redacted. Without it, redact before upload and keep the originals outside the room.