Best virtual data rooms for selling a business

Updated October 9, 2026By the BestDataRoom editorial team

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Selling your company? Compare the virtual data rooms that suit owner-led and broker-led sales, with must-have features, budget bands and seller mistakes.

Our recommendations

Best fit

The full sell-side toolkit, structured Q&A, granular permissions, dynamic watermarking, document rights control and e-signature, with built-in AI tools, setup without an IT team and a published price from $149 a month.

4.8 Our rating Our editors scored it 4.8/5 Visit Ellty Read our Ellty review

Pros

  • Published pricing from $149/mo
  • 14-day free trial
  • Built-in AI tools
  • Built-in Q&A workflow

Cons

  • No ISO 27001 certification
  • No single sign-on
  • No public API
Starting price
$149/mo
Free trial
Yes
Security
SOC 2
Deployment
Cloud

A long-standing mid-market choice with Q&A, redaction and solid permissions, a good fit when an M&A adviser is running a competitive process for you.

4.4 Our rating Our editors scored it 4.4/5 Read review Free trial available

Pros

  • Free trial available
  • SOC 2 and ISO 27001 certified
  • Built-in Q&A workflow
  • Watermarking and document rights control

Cons

  • No published pricing, quote only
  • No single sign-on
  • No public API
Starting price
Custom quote
Free trial
Yes
Security
SOC 2, ISO 27001
Deployment
Cloud

Flat monthly pricing from $250 and a simple interface; includes Q&A and e-signature; works for a small sale with one or two serious buyers where redaction and ISO 27001 are not required.

3.9 Our rating Our editors scored it 3.9/5 Read review Free trial available

Pros

  • Published pricing from $250/mo
  • Free trial available
  • Built-in Q&A workflow
  • Watermarking and document rights control

Cons

  • No ISO 27001 certification
  • No single sign-on
  • No mobile app
Starting price
$250/mo
Free trial
Yes
Security
SOC 2
Deployment
Cloud

Published pricing from $299 a month plus Q&A and an API, useful for asset sales or brokers who run several smaller listings at once.

4.0 Our rating Our editors scored it 4.0/5 Read review Free trial available

Pros

  • Published pricing from $299/mo
  • Free trial available
  • Built-in Q&A workflow
  • Watermarking and document rights control

Cons

  • No ISO 27001 certification
  • No single sign-on
  • No mobile app
Starting price
$299/mo
Free trial
Yes
Security
SOC 2
Deployment
Cloud

Worth the custom quote if the business is larger, the buyer list includes corporates, and you want redaction and strong support on call.

4.6 Our rating Our editors scored it 4.6/5 Read review Free trial available

Pros

  • Free trial available
  • SOC 2 and ISO 27001 certified
  • Built-in Q&A workflow
  • Watermarking and document rights control

Cons

  • No published pricing, quote only
  • No mobile app
  • Cloud only, no on-premise option
Starting price
Custom quote
Free trial
Yes
Security
SOC 2, ISO 27001
Deployment
Cloud

Selling a company you built is usually a once-in-a-career event. The buyer has done this many times. Your data room is one of the few places where you can close that experience gap, because a tidy, well-run room tells a buyer the business is run the same way.

This page is for owners, founders and their brokers selling a business worth anywhere from a few million dollars to a few hundred million. Larger, banker-led auctions follow the logic on our mergers and acquisitions page.

Who actually reads your documents

In a typical owner-led sale, four groups open the room, and each wants something different.

  • Prospective buyers at the indication stage. They want the teaser numbers backed up: three years of accounts, customer concentration, recurring revenue.
  • The preferred buyer’s advisers after heads of terms. Accountants run quality of earnings work, lawyers read every contract, and a tax adviser checks your structure.
  • Lenders if the buyer is financing the deal. They usually see a narrower set of folders.
  • Your own side: broker, lawyer, accountant. They need edit rights; nobody else does.

That split matters because it drives your permission design. Build groups by role and by buyer from day one, not by individual email address.

What the room has to do, stage by stage

StageWhat happensWhat the room must handle
Preparation (2 to 6 weeks before launch)You and your adviser gather and clean documentsBulk upload, a numbered index, internal-only folders
Teaser and NDAInterested parties sign confidentiality agreementsE-signature or a click-through NDA before first access
First-round reviewSeveral buyers browse a limited setView-only access, watermarking, activity tracking per buyer
Exclusivity and full diligenceOne buyer and its advisers go deepQ&A workflow, folder-level unlocks, download control
Signing and completionDisclosure letter is finalisedAn archive of the room as it stood at signing

The last row is the one owners forget. When a warranty claim lands a year after completion, your best defence is proof of what the buyer was shown and when. Ask every provider how you export a full archive, and in what format.

Who is in the room at each stage of a business sale

1 Preparation, pre-launch
2 Teaser and NDA
3 First round review
4 Exclusivity, diligence
5 Signing and completion
Your side
You and advisers
12345
Edit rights. Edit rights, internal-only folders
Prospective buyers
Several bidders
12345
View-only, watermarked. NDA first, then view-only
Preferred buyer
Plus its advisers
12345
Full diligence. Q&A and folder unlocks
Lenders
If buyer finances
12345
Narrow subset. A narrower set of folders
Full diligence opens at exclusivity, for the preferred buyer only; other bidders never get past the first round.
bestdataroom.net
Access widens only after exclusivity, and only for one buyer. Source: the stage table on this page.

The mistakes that cost sellers money

Opening everything at once. Early bidders do not need your full employee list or every customer contract. Stage the disclosure. Sensitive folders should unlock only after exclusivity.

Letting questions arrive by email. A buyer’s diligence team can send several hundred questions. If they go to five different inboxes, answers get duplicated or contradict each other. A room with built-in Q&A keeps one record and routes each question to the person who can answer it.

Uploading scans nobody can search. Run OCR before upload, or pick a provider that does it for you. Buyers judge a messy room harshly, and an unsearchable folder slows their advisers down, which pushes your timeline out.

Choosing a per-page plan for a document-heavy business. Manufacturing, property-heavy and long-contract businesses can generate tens of thousands of pages. On a per-page model, that becomes an unpleasant invoice. Check our pricing breakdown before you sign anything.

Ignoring the activity log. If one bidder has opened the financials twice and another has read every customer contract, that tells you who is serious. Your broker should be reading these reports weekly.

Worth knowingIf the buyer insists on running diligence in its own data room, push back politely. The seller usually controls the room, the index and the audit trail, and that record protects you in any later dispute.

Budgeting for the room

Most small and mid-sized sales take three to nine months from launch to completion. Plan for the long end. A room priced at a few hundred dollars a month is a rounding error against broker fees, but a per-page or per-user quote can surprise you if the deal drags.

Three questions to put to every provider:

  1. Is the price flat per month, or does it scale with pages, storage or users?
  2. Can I pause or downgrade the room after completion while keeping the archive?
  3. Is there a minimum term, and what happens if the deal slips by a quarter?

Ellty publishes a starting price of $149 per month, SecureDocs $250 and CapLinked $299 on their own plans; Firmex and iDeals quote per deal. All figures are indicative, so confirm them directly. Our guide to what a virtual data room costs explains the pricing models in more depth.

Before you send the first invitation

Run through this short list with your adviser:

  • Every folder has a number and matches the index you will hand buyers.
  • Internal working files sit in a folder no buyer group can see.
  • Watermarks show the viewer’s name or email, not just a company logo.
  • You have tested access as a buyer, from a separate account, on a phone.
  • Someone owns the Q&A queue and has a target response time.

Our due diligence checklist lists the documents buyers typically request, folder by folder.

Not sure which room matches the size and pace of your sale? Answer six questions and get a shortlist.

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Frequently asked questions

Do I need a virtual data room to sell a small business?

For a sale under a million dollars with one buyer, a well-organised shared folder can work. Once you have more than one interested party, or a buyer with lawyers and accountants, a data room pays for itself through access control, watermarking and an audit trail of what was disclosed.

When should I set up the data room?

Start building it before you go to market, ideally four to six weeks ahead. Gathering documents always takes longer than owners expect, and a room that is ready on launch day keeps buyer momentum.

Who should pay for the data room in a sale?

The seller nearly always pays, either directly or through the broker or adviser fee. It is worth confirming in your engagement letter so the cost does not surprise you at completion.

How long should I keep the data room after the sale closes?

Keep an archived copy for at least as long as the warranty and indemnity period in your sale agreement, often two to seven years. Most providers can export the room to an encrypted drive or file at closing.