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Method16 July 2026 · 9 min read
Photo of Lieven Plaetsier

Lieven Plaetsier

Co-founder

A defensible data room: what buyers want in the first 48 hours

The first 48 hours in a data room decide whether a buyer commits or quietly walks. Not how many folders you have, but whether five specific questions are pre-answered. The pre-DD practice most SME deals lack.

In this article

  1. 1. The five existence questions every buyer asks
  2. 2. Three-zone phasing
  3. 3. How long does it take?
  4. 4. What a good data room looks like
  5. 5. How Upswitch operationalises this

A data room is not what most SME owners, and a meaningful share of M&A advisors, think it is. It is not an archive of every document ever generated. It is a structured answer to the specific questions a buyer DD team will ask in the first working week. That is a fundamentally different artefact from "everything the accountant has stored over the years."

In the first 48 hours after data-room access, the buyer decides whether to push forward or politely fade. We see roughly 40% of potential Benelux buyers drop after that first 48 hours, not because the business is uninteresting, but because the data room cannot answer their first questions without four follow-up calls.

The first 48 hours in a data room are 80% of whether a buyer commits. What you show there is what you get.

The five existence questions every buyer asks

  1. Is the EBITDA real? A normalisation memo covering owner comp, one-offs, non-operating, working capital, capex and intercompany, plus 3 to 5 years of monthly figures.
  2. Customer concentration? Top-20 customers over 3 years with revenue and margin per customer per year. One page, one spreadsheet. The most-missed and most-asked file.
  3. How owner-dependent is the business? Org chart with authority levels, customers primarily owned by the owner, master service agreements, what happens during a 30-day owner absence.
  4. What are the actual growth drivers? Revenue split by segment, product, geography. Cohort analysis where applicable. Pipeline with realistic conversion rates. A 5-year forecast with explicit assumptions, not "growth follows sector."
  5. What hidden risks exist? Pending litigation, tax disputes, environmental reports, supplier dependency, pension obligations (NL specific), unexpected change-of-control clauses. All material risks disclosed with mitigation status.

Hidden risks discovered in DD almost always punish the price more than the same risks disclosed up front. Trust is a valuation multiplier.

Three-zone phasing

  1. Zone 1. Pre-NDA. Anonymous IM with sector, size band, EBITDA band, geography. No customer or owner names. Self-filters mismatched buyers.
  2. Zone 2. Under NDA. Full IM, 3 to 5 years monthly accounts, normalisation memo, top-20 customer analysis (anonymised IDs), management presentation, high-level pipeline. Enough to answer the five existence questions in 48 hours.
  3. Zone 3. Under LOI. Customer contracts with names, supplier contracts, management employment contracts, tax files, IT architecture, IP register, real financial access. Released only after a signed letter of intent.

How long does it take?

A defensible data room of this structure, from scratch, takes 6 to 10 weeks for a €5 to €15M SME. Not because the work is conceptually complex, but because data is scattered across spreadsheets, mail attachments, physical folders and two or three peoples' heads; some documents do not exist and must be created (customer analysis, normalisation memo, org chart); legal review of existing contracts for change-of-control clauses always runs long; and management is too busy with operations to run it as a parallel project. Start before a specific buyer is at the table, not after.

What a good data room looks like

  1. Folder structure follows the existence questions, not alphabetical order.
  2. Every key file has a one-page cover memo summarising contents and conclusions.
  3. Explicit version control on every file ("v3, date, by whom, what changed since v2").
  4. Sensitive zones (customer names, dependency suppliers) are watermarked and audit-logged.
  5. A pre-built Q&A doc with the 20 most-asked DD questions and their answers, cross-referenced to source files.

How Upswitch operationalises this

Every valuation that runs through our engine builds a parallel data-room skeleton that auto-generates 70 to 80% of the existence-question content: the EBITDA normalisation memo from our normalisation engine, working-capital analysis from the accounting integration, customer analysis from CRM and invoicing data. The remaining 20 to 30% (legal contracts, narrative, risk disclosure) stays manual but lives in a structured checklist with deadlines and status. Effect: deals through our pre-DD layer see DD cycles 2 to 3 weeks shorter and LOI-to-closing conversion 10 to 15% higher. Not better businesses, better answers to the right questions.

A specifically high-value element is the comparables-benchmark section, which deep-links directly into the relevant page on the Upswitch Index, manufacturing, B2B services, or wholesale and distribution. The buyer DD team gets not only our normalisation but also the externally verifiable bench against which we valued, a measurable trust multiplier in the first 48 hours.

Frequently asked questions

Do I need a professional VDR or does a shared Dropbox work?+

Under €2M deal value, a well-structured shared folder can work. Above €2M, use a professional VDR (Datasite, Intralinks, Drooms, Firmex) for watermarking, audit logs, phased access and legal defensibility. Cost is roughly €1k to €5k for the duration of the transaction.

Can I build the data room before I want to sell?+

Yes, and it is recommended. We call it "sale-ready." It means an unsolicited bid or a sudden change in circumstances does not require 6 to 10 weeks of catch-up before going to market.

What is genuinely negotiable in the first phase?+

Customer names can be anonymised until LOI. Specific supplier dependencies similarly. Employee compensation can be aggregated to management level. What is not negotiable: reported financials, normalisation grounding, change-of-control clauses, material risks.

What is the biggest mistake SME owners make in the data room?+

Hiding or downplaying material risks. Buyer DD teams almost always find them, and the price compression as punishment for hiding is typically two to three times what disclosure would have cost. Trust is literally a valuation multiplier.

Upswitch is the M&A infrastructure layer for the European SME economy. Defensible valuations and structured transaction matching for the lower mid-market.

Continue reading

Normalising SME EBITDA

Read more→

Working capital normalisation

Read more→

Sale-ready in twelve months

Read more→

Algorithmic transparency

Read more→

For advisors

Read more→

Business valuation by sector

Read more→

See it on the Upswitch Index

Live multiples for the sectors this article touches

Each link opens the live published EV/EBITDA, EV/Revenue and P/E bands per business type. Anchored at the right parent industry on the Upswitch Index.

Manufacturing

Capex schedules, customer contracts and capacity utilisation data form the early-DD spine.

Open on Index→

B2B services

Recurring revenue evidence + employee retention data are the first 48-hour priorities.

Open on Index→

Wholesale & distribution

Customer concentration and supplier dependency files dominate first-look DD requests.

Open on Index→

Continue reading

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SDE vs. EBITDA: which metric fits your SME

For the upper end of the lower mid-market, EBITDA-multiple is the standard. For owner-operator businesses, it structurally underprices. Here is how SDE works, when it is the right headline, and where the threshold sits.

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