Property deals bring heavy files and many asset-by-asset folders. Ellty and Drooms lead our ranking, with Ellty strongest across mixed deals and Drooms the specialist for European portfolios. iDeals, Firmex and Box round out the list for different budgets and needs.
A complete transaction data room with AI tools inside it and a list price on the website.
9.2/10Outstanding
Ellty handles asset-by-asset folder structures with bulk upload, per-bidder groups, Q&A and watermarking, and its AI features help buyers scan long leases and title reports. It has the deal controls of iDeals or Datasite with a listed $149/mo price and a 14-day free trial, which suits brokers who open rooms for each listing.
What we liked
Every core diligence control on our checklist: routed Q&A, group permissions, viewer watermarks, print and download blocking, activity log
AI tools and signing are part of the product, not add-ons
Highest usability score in our ranking (9.8), with self-serve setup for admins
Watch out for
Neither SSO nor a public API at our last check
You redact outside the room, since there is no native tool
No native mobile app; reviewers use the mobile browser
A German transaction platform with a real estate focus, AI tooling and an unusual on-premises option.
8.3/10Very good
Drooms was founded in Germany and is a familiar name in European property transactions. It offers AI features, redaction and both cloud and on-premises deployment, though there is no self-serve trial.
What we liked
Deployment in the cloud or on your own infrastructure, which few rivals offer
Redaction, per-viewer watermarks and post-open file restrictions come as standard
AI tooling built into the room, useful when the file collection is very large
Watch out for
You cannot sign up and test alone; every evaluation starts with a vendor demo
Every project is quoted; no published price to budget against
No single sign-on, public API, mobile app or built-in e-signature
An enterprise content platform with strong security and integrations that some teams stretch into a data room.
8.1/10Very good
Box is a general content platform rather than a deal room: no Q&A module or document rights control. It works well for leasing files and building records that many people share over years, with per-user pricing from $15.
What we liked
SOC 2 and ISO 27001, plus HIPAA and GDPR support
Single sign-on, a public API and a native phone and tablet app
AI tooling and a built-in signing feature
Watch out for
Buyer questions have no structured log inside the product
Neither redaction nor limits on opened files
Seat-based billing climbs with every internal user
Prices in USD at the entry level; indicative, confirm with the provider.
Why property is different
A company sale is organised by topic: finance, legal, HR, IT. A real estate deal is organised by asset. A portfolio of forty logistics sites means forty folders, each with title documents, leases, surveys, environmental reports, building plans and service charge accounts. Many of those files are scanned drawings or large PDFs, and buyers’ surveyors want them quickly.
Bidders also differ by asset. In a portfolio sale, one investor may be interested in the whole book while another only wants the northern sites. The room must open and close access at asset level without rebuilding the structure for each bidder.
How we chose
We started from each provider’s review score and weighted for property work. Handling large files leans on bulk upload and everyday usability. Asset-level permissions look at how finely access can be set per folder. Bidder question flow covers Q&A. Cost per listing reflects that agents and owners run many rooms a year. See our review method for the base criteria.
Provider
Score
Bulk upload
Q&A
Redaction
Deployment
Entry price
Ellty
9.2
Yes
Yes
No
Cloud
$149/mo
Drooms
8.3
Yes
Yes
Yes
Cloud or on-prem
Quote
iDeals
9.1
Yes
Yes
Yes
Cloud
Quote
Firmex
8.5
Yes
Yes
Yes
Cloud
Quote
Box
8.1
Yes
No
No
Cloud
$15/user/mo
Drooms ranks second here despite a lower overall score than iDeals, because its long experience with property transactions and the on-premises option matter for this use case in particular.
Mistakes in property data rooms
Uploading scans with meaningless file names is the most common problem. A buyer cannot search for “Unit 4 lease” if the file is called “scan_00231.pdf”. Rename before upload, or use an index that maps names to assets.
The second is publishing tenant personal data without thought. Residential tenancy files can contain names, contact details and payment histories. Redact or withhold them unless a buyer genuinely needs them at that stage.
The third is closing the room before completion. Post-exchange questions about service charge reconciliation or arrears are common, so keep access open until the money has moved.
Hosting location
Some institutional buyers and public bodies ask where data is stored. Drooms offers on-premises deployment; the other picks are cloud services, so confirm the hosting region in writing.
Which pick for which deal
A single office building sold to a handful of bidders suits Ellty or Firmex: quick to set up, with Q&A and watermarks. A pan-European logistics portfolio with institutional bidders points towards Drooms or iDeals, particularly if a buyer asks for on-premises hosting or ISO 27001. A lender’s refinancing review often needs fewer controls but a tidy index and clear audit history, which any of the top four provides. Long-term asset management records, shared with property managers and contractors over years, fit Box better than a deal room. Matching the tool to the job keeps cost proportionate.
Budget notes
Ellty lists its entry price at $149/mo, so a three-month sale campaign starts around $450. Box charges from $15 per user per month, which stays low for a small team but scales with users. Drooms, iDeals and Firmex quote per project, often by data volume and term. If you sell assets regularly, ask about annual or framework pricing. Our pricing guide explains how volume and term affect quotes.
Frequently asked questions
What is the best data room for real estate?
On our scores Ellty and Drooms lead. Ellty suits a wide mix of property deals with a listed price and AI features. Drooms is a specialist with deep roots in European property transactions and an on-premises option.
Do property deals need Q&A in the data room?
For anything beyond a simple sale, yes. Buyers raise questions about title, tenancies, service charges and planning. Logging them in the room avoids repeated answers and gives a record if disputes arise.
Can I use Box for a property sale?
Box works for sharing and long-term records, but it has no Q&A module or document rights control. For a competitive sale with several bidders, a dedicated deal room is a better fit.
Which data room offers on-premises hosting?
Among the providers we review, Drooms is the one offering both cloud and on-premises deployment. The rest are cloud only.
