Dillien logo small showing only bird icon in light blueDillien logo small showing only bird icon in light blueDillien logo small showing only bird icon in light blue

Data room for M&A

Confidence and control in complex transactions

Leave scattered tool use behind

One secure tool for every deal

Too many due diligence processes rely on fragmented email threads, spreadsheets, and disconnected tools. Dillien brings everything together in one secure, structured space — keeping due diligence under control.

From built-in request lists, to workflow optimization, integrated project management, and granular access control and audit trails, Dillien gives deal teams the structure and oversight needed for an efficient and secure process.

Illustration of two people balancing a board while one person gives the other a key
Get to know Dillien data room

Features for M&A due diligence

Resolve requests

Instead of managing separate request lists or re-uploading new versions, you can handle everything in one place by uploading supporting documents, providing text answers, or marking requests as not applicable. This eliminates version confusion, streamlines collaboration, and ensures the latest version is always available to everyone involved.

Project management

Due diligence involves many stakeholders, parallel workstreams, and tight deadlines. Dillien helps everyone stay aligned and communicate — both internally and across the table — with built-in tools for project management and collaboration. Assign responsibilities and tasks, set deadlines, track progress, and trigger automatic reminders for outstanding tasks — ensuring clear oversight, less manual coordination, and a faster path to closing.

Q&A

Enhanced Q&A, where questions, answers, and supporting files appear both in request-specific threads and on the Queries page, giving you full visibility. Everything happens directly in the data room, in the right context — ensuring clear communication and a more efficient process for all stakeholders.

Multi-bidder mode

When multiple buyers are involved, you can manage them all within a single data room — without duplicating or maintaining parallel rooms. Control exactly which documents, folders, and answers each buyer can access, ensuring sensitive information is only shared with the right parties. This reduces manual work, minimizes risk, and keeps you fully in control of the process.

Report generator

Skip the system toggling and copy-paste marathons. With in-app review and note-taking, Dillien keeps everything tied to the right context. The built-in report generator then compiles findings and recommendations into a clean, structured due diligence report — ready in seconds. Export as-is, or adapt it for internal use and client delivery. Faster, more consistent reporting with less manual work.

Illustration of toolkit

Get started on your next deal with confidence and control

Dillien supports every stage of due diligence in M&A — from early sell-side preparation and multi-bidder processes to buyer-led reviews, guiding you all the way to final closing. With structured workflows, secure access, and fully traceable logs, deal teams can reduce risk, save time, and move faster.

Book a demo today and see how it works.
Illustration of a person diving in to a document pile
Book demo
arrow icon white

Frequently asked questions

Illustration of two people leaning on each other