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Best for diligence speed 4.8 Modern, full-featured data room for M&A, due diligence, real estate and fundraising.
Free trial Best for diligence speed M&A fundraising
Best virtual data rooms for due diligence
For due diligence, the data room is where hundreds of documents meet dozens of reviewers, so full-text search, redaction, view-only access, and activity tracking matter more than anything cosmetic. We weighted this shortlist toward diligence workflow depth, permission control, and audit reporting, then ranked every provider on the same 40+ criteria in USD.
Best for diligence speed 4.8 2
4.7 Feature-rich VDR with strong support, popular for cross-border deals.
Free trial SOC 2 / ISO 27001 M&A due diligence
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4.2 Fast, secure data room with granular permissions and Q&A.
SOC 2 / ISO 27001 M&A permissions
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4.6 Investment-banking-grade platform built for large, complex M&A.
SOC 2 / ISO 27001 M&A investment banking
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4.4 Reliable, straightforward VDR trusted across mid-market deals.
Free trial SOC 2 / ISO 27001 M&A mid market
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4.5 Long-established VDR for regulated, high-stakes transactions.
SOC 2 / ISO 27001 M&A enterprise
Side by side
Due diligence criteria, compared
The attributes that matter most for due diligence, verified in USD. Scroll for the full breakdown.
| Provider | Price from (USD) | Free trial | Deployment | Best fit |
|---|---|---|---|---|
 Ellty | $99/mo | Yes | Cloud | M&A, due diligence, real estate and fundraising deals |
 iDeals | Custom | Yes | Cloud | Mid-market to enterprise M&A and due diligence |
 SmartRoom | Custom | No | Cloud | Complex diligence with heavy permission control |
 Datasite | Custom | No | Cloud | Sell-side advisors and large-cap M&A |
 Firmex | Custom | Yes | Cloud | Mid-market M&A, legal and diligence projects |
 Intralinks | Custom | No | Cloud | Financial services and regulated enterprise deals |
Prices are indicative USD, updated monthly. 'Custom' means quote-based enterprise pricing. See our full testing method →
Due diligence data rooms: FAQ
What is the best virtual data room for due diligence?
Ellty tops our Due diligence shortlist on the same 40+ criteria we score every provider against, followed by iDeals and SmartRoom. Rankings weight security certifications, deal features, support, and pricing for this use case, and no vendor pays for a better score.
How much does a data room for due diligence cost?
Pricing on this shortlist ranges from around $99/mo for self-serve plans up to custom enterprise quotes. All figures are indicative USD; confirm current pricing with the provider before you commit.
Do these providers offer a free trial?
3 of the 6 providers on this Due diligence shortlist offer a free trial, so you can test the workflow before a deal starts. Trial length and limits vary, so check each provider's current terms.