Current language: English
Our services
Support for growth strategies, transformations or M&A processes.
Our freelance experts have in-depth specialist knowledge in their field.
We provide you with experienced interim managers who take on responsibility.
Customized expert teams for complex projects
We find the best experts for these companies
Private equity
Efficient support throughout the deal cycle
Corporates
Technical and management experts for operational excellence
Scale-ups
Strategic & operational support for growth
Scope

What M&A Consulting Delivers — and What It Does Not

Figures from a report are recalculated with a calculator before the purchase price negotiation

M&A consulting — depending on the firm also called transaction advisory, mergers and acquisitions consulting or M&A advisory — works on a matter that has a fixed date. It answers three questions, and in this order: what about the target company can be substantiated, which of that changes the price, and which of that somebody has to deliver after the signature. The first part is diligence work in the data room, the second is negotiation preparation with figures instead of postures, the third is integration work in day-to-day operations.

Between those parts sits a break that explains the whole discipline: the price is determined before signing, the value only arises after closing. Before signing, what counts is what can be read out of somebody else's documents within a few weeks. After closing, what counts is whether the assumptions used to justify that price actually materialise in the running business. The two halves call for different capabilities — and capacity is almost always bought only for the first. This is precisely where transactions fail whose diligence was faultless.

Where the boundaries run, in both directions: valuation itself, the financing structure and reporting to banks and investors are standing topics without a cut-off date and belong under corporate finance consulting. Legal representation, contract drafting and the statutory audit stay with the law firm and the auditor; M&A consulting supplies them with the facts they rely on. Put simply: corporate finance runs without a deadline, M&A is the transaction itself — and it has a date.

What M&A consulting does not deliver. It does not produce a buyer or a seller on request, it does not replace the entrepreneurial decision on whether to proceed, and it cannot make a diligence exercise better than the data room it is given. Where documents are missing, the result is a named gap with a proposal for covering it — not a number. And it gives no assurance on synergies that nobody in the house will own after closing.

Triggers

When External Support in a Transaction Is Worth the Effort

Not every transaction needs outside help. A company that acquires regularly, has a practised in-house M&A function and knows the target market moves faster and more cheaply on its own. In the triggers below the calculation comes out differently, and for a structural reason: for most companies a transaction is a one-off event, while for the other side and its advisers it is routine. That asymmetry does not close through diligence, only through experience from completed processes.

1. An Offer Arrives Before You Wanted to Sell

  • An interested party approaches unprompted, often with a short deadline and a number that sounds good at first.
  • Without its own view of the figures, the selling side negotiates a price whose basis only the buyer knows.
  • The first task is not the negotiation but your own data position — before the next conversation.

2. Succession Is Decided, the Sale Process Is Not Set Up

  • The exit has a target year, but the documents, a data room and a view of the buyer universe are missing.
  • Normalised figures, shareholding history and contracts are manual work and the time-critical part.
  • Anyone who starts only once the interested party is in the room negotiates from the weaker position.

3. An Acquisition Needs Diligence Without Stopping the Day Job

  • The target company is identified, but the diligence ties up finance, legal, IT and HR at the same time.
  • Those are exactly the people who carry the running business — otherwise the diligence gets done on the side.
  • External capacity keeps both lines going in parallel: diligence to the deadline, operations without a dip.

4. A Group Is Divesting a Division

  • In a carve-out the first job is to describe what is actually being sold: contracts, people, systems, shared services.
  • Without that separation there is no defensible earnings statement for the business being given up.
  • The transitional services for the buyer are negotiated before signing or not at all.

5. Diligence Is Done, the Findings Are Not Translated

  • A diligence report lists findings; the purchase agreement needs price reductions, warranties, indemnities and conditions out of them.
  • That translation decides the economic substance of the transaction — not the length of the report.
  • It calls for somebody who knows both sides: the logic of diligence and the effect of the contract.

6. The Deal Has Closed, Integration Has No Owner

  • After closing the deal team returns to the day job, while the combination is only just beginning.
  • Systems, reporting, management structure and customer service carry on twice over until then.
  • The synergies used to justify the purchase price have nobody to deliver them without named ownership.

Do you recognise one of these triggers? Twenty minutes is enough for a first assessment: which workstream you need first, what can realistically be substantiated by your deadline — and whether external capacity is required for it.

Disciplines

The Workstreams of M&A Consulting, from Diligence to Integration

The workstreams of M&A consulting can be staffed singly or in combination, and they sort themselves along the break between price and value: the first three examine what carries the price, the fourth translates the result into the contract, the last two decide whether the price paid can be justified. Most engagements start with one workstream and grow into the neighbouring ones, because they build on each other: a financial due diligence without a market view values the past, and a negotiation without diligence findings argues about percentage points instead of facts.

Commercial Due Diligence: Market, Customers, Plan

Diligence on the revenue side of a target company: market size and growth drivers, competitive position, customer concentration and churn, pricing power, and the question of whether the plan presented is reachable out of the existing business or presupposes new customers. The result is a statement on how well the plan holds, with the assumptions named — and a list of the assumptions that have to be actively achieved after closing.

Financial Due Diligence and Quality of Earnings

Recalculating the earnings side: normalising for one-off effects and shareholder-related items, quality of earnings rather than reported profit, working capital across the year, net debt at the cut-off date, and the capital expenditure without which the business does not carry on. These are the arithmetic basis of the purchase price formula — every question of definition inside it ends up as an amount.

Legal, Tax and Compliance in the Data Room

Working through the legal and tax position: shareholding history and ownership structure, customer and supplier contracts with change-of-control clauses, lease, employment and licence agreements, open proceedings, permits and tax exposures from earlier years. Every finding is then sorted by whether it reduces the price, needs a warranty, or is a condition for closing.

Negotiation Preparation and Purchase Price Mechanics

Translating the diligence results into the contract: purchase price formula with locked-box or completion-accounts mechanics, definitions of net debt and normalised working capital levels, holdbacks, variable components and how they are measured, the warranty catalogue, indemnities and closing conditions. Preparation is what makes the difference: a fully calculated target range, a documented reason for every reduction, and a view of which points are tradeable.

Post-Merger Integration After Closing

Bringing two organisations together: organisational and management structure, systems and data migration, reporting onto one set of figures, customer and supplier communication, retention of key people, and tracking exactly those synergies used to justify the purchase price. Post-merger integration is three quarters decision discipline — every duplicate structure left open costs money every month without anyone booking it.

Carve-out and Separation

Detaching a business from a larger group: defining what is being sold, building a stand-alone earnings and balance sheet view, allocating people, contracts and licences, separating shared systems, and the transitional services the seller continues to provide after closing. Without that work there is no number to negotiate over — and no buyer who would accept one.

Which workstream you need first can be framed in a short conversation — including the honest answer on whether bringing in external capacity pays for itself.

Engagement Models

How External Transaction Experience Is Brought In

In a transaction, timing matters as much as depth of expertise: whoever builds capacity before signing usually no longer has it after closing — and the other way round. Four ways of bringing people in have proven themselves, from a single diligence question to running the integration. They can be combined and they change regularly along the way, because the need shifts as the deal moves from diligence into the contract and from the contract into operations. The same frame applies to all of them: named internal ownership, a diligence or delivery scope fixed before the start, and confidentiality that the other side accepts too.

Diligence Mandate

A Single Diligence Question with a Deadline

One specialist with a narrowly framed mandate: recalculate the quality of earnings of a target company, sanity-check a revenue plan that has been put forward, or review a contract portfolio for change-of-control clauses. The result is a written finding with figures and a recommendation, without a structure around it.

Diligence Team

A Diligence Team Across Several Workstreams

Two to five external specialists work the finance, market, legal and IT workstreams through the data room in parallel, under internal technical leadership. The usual form in processes with a deadline, because the workstreams put questions to each other and a single reviewer cannot shorten the sequence.

Ownership in the Deal

Ownership of the Live Process

One external person runs the process and prepares decisions: timeline, data room, workstreams, question lists and negotiation documents. The usual form when nobody in the house has run a process of this kind before, or when the in-house M&A function is already committed.

Integration Management

Steering the Combination

A small unit sitting above the integration workstreams: progress, dependencies and risks come together there, with a reporting line that triggers decisions instead of producing status slides. It does not decide itself, but makes sure the promised effects get a date and a name.

Industry Rhythm

Industry Rhythm in M&A: What Determines the Value of a Target

A transaction cannot be examined in an industry-neutral way, because in every industry a different measure decides the value — and with it the focus of the diligence. In machinery and plant engineering the result sits in project contracts and in the order backlog, not in the last set of annual accounts. In software the quality of recurring revenue and the churn rate decide, rather than the margin. In retail, inventory ties up capital and shifts working capital from one cut-off date to the next. In healthcare, revenue hangs on approvals and reimbursement rules that a change of ownership can touch. In energy, value rests on offtake agreements and support regimes with fixed terms. In asset-backed businesses, leases, building condition and financing covenants decide. We therefore staff by industry experience: somebody who has examined the same market several times for buyers and sellers recognises within days which position in the data room is the decisive one — and which figure, in experience, does not hold. The focus areas below are a selection; neighbouring industries we staff from the same pool of experience.

Robotic arms on an assembly line in machinery and plant engineering

Machinery & Plant Engineering

Shoppers moving through a supermarket, standing for retail and consumer goods

Retail & Consumer Goods

A person in front of key figures and growth curves of a technology business

Software & Technology

A hand with a heart symbol and health icons, standing for healthcare and pharma

Healthcare & Pharma

Wind turbines with an overlaid price curve, standing for energy and utilities

Energy & Utilities

High-rise buildings seen from below, standing for real estate and construction

Real Estate & Construction

Robotic arms on an assembly line in machinery and plant engineering

Machinery & Plant Engineering

Shoppers moving through a supermarket, standing for retail and consumer goods

Retail & Consumer Goods

A person in front of key figures and growth curves of a technology business

Software & Technology

A hand with a heart symbol and health icons, standing for healthcare and pharma

Healthcare & Pharma

Wind turbines with an overlaid price curve, standing for energy and utilities

Energy & Utilities

High-rise buildings seen from below, standing for real estate and construction

Real Estate & Construction

Transaction Types

Transaction Types and the Point at Which They Tip

What actually gets commissioned falls for the most part into four types. Each has a typical starting position, a diligence focus, and a point at which it tips — the place where, in experience, value is lost if nobody owns it. In all four cases the target measure is agreed before the start and measured afterwards, not estimated at the end.

Company Sale and Succession

Starting position: the exit is decided, figures and contracts have grown over years, a buyer universe exists only as an assumption. The diligence focus is on your own side — normalised results, dependence on the owner, transferable customer relationships. The tipping point: preparing your own documents. Anyone who starts only after the first interested party appears is negotiating over figures the other side has already called into question.

Acquisition for Expansion

Starting position: a target is identified, your own organisation carries the day job and is expected to absorb the diligence on the side. The diligence focus is the match between the plan presented and what the existing business actually supports. The tipping point: the purchase price formula. Definitions of net debt and working capital get negotiated late and act like a price increase after the fact.

Carve-out from a Group

Starting position: a division is to be given up but has never been accounted for on a stand-alone basis — people, contracts, systems and administrative services are shared. The diligence focus is the separation itself. The tipping point: the transitional services. What the seller continues to provide after closing, at what price and for how long, is either settled before signing or it gets expensive.

Integration After Closing

Starting position: the deal has closed, the deal team is back in the day job, both organisations carry on unchanged. The diligence focus is translating the justification for the purchase price into measures with a date and a name. The tipping point: the first weeks. Management structure and reporting lines are decided in that period — after it they are only confirmed.

Roles We Staff

Profiles That Get Staffed in Transactions

Which profile a transaction needs is decided by the side of the break it currently sits on: diligence in the data room calls for a different person than merging two reporting systems, and as the deal moves from signing to closing the need shifts completely. The profiles below sit in the M&A & Due Diligence practice; this is a selection — neighbouring tasks we staff from Finance & Controlling, Strategy & Management Consulting, Compliance & Legal and Transformation & Change Management, and further roles are reachable through the category page. Task profile, typical assignments and the daily rate range are published openly on each role page.

From Letter of Intent to Integration: The Stages of a Transaction

The scope and duration of the stages depend on size, process type and the state of the data; the sequence does not: first set the frame, then produce the documents, then examine, then translate into the contract, then combine, then measure. We skip no stage and shorten one only where solid preparatory work exists — a negotiation without diligence findings is a conversation about percentage points.

Stage 1: the objective, timeline and confidentiality of a transaction are settled

1. Set the Frame, Timeline and Confidentiality

The objective of the transaction, the type of process, and the date everything is counted back from — bilateral or with several interested parties makes a difference at every later step.
Confidentiality and the circle of people in the know are fixed before any documents are moved.
The result is a timeline that the workstreams, board dates and financing all align to.
Stage 2: the data room and normalised documents are produced before diligence begins

2. Produce the Documents and Build the Data Room

Normalise the figures, gather contracts and permits, evidence the shareholding history — on the sell side this is the time-critical part.
The data room is structured by workstream, not by department; gaps are named rather than written around.
The result is a set of documents that survives diligence — and the list of points where it will not.
Stage 3: the due diligence workstreams work the data room in parallel

3. Work the Workstreams in Parallel

Finance, market, legal, tax, IT and people work the data room at the same time and put questions to each other.
Question lists and management sessions run bundled, so the other side does not answer the same thing six times.
The result is one finding per workstream, with an amount or with the explicit note that no amount can be derived.
Stage 4: diligence findings are translated into purchase price, warranties and contract clauses

4. Translate Findings into Price and Contract

Every finding gets allocated: price reduction, warranty, indemnity, closing condition — or knowingly accepted.
Purchase price mechanics, normalised levels and variable components are calculated through before they are negotiated.
The decision on whether to proceed stays in the house; external support does the arithmetic, sits in the room and records the outcome.
Stage 5: the integration plan exists before closing and is worked through afterwards

5. Prepare and Work Through the Combination

The integration plan is created before closing — with management structure, system decisions and customer communication.
On the first day after closing, contacts, reporting lines and decision paths are known in both houses.
Duplicate structures get an end date; resistance usually points to a requirement the plan does not cover.
Stage 6: the value assumptions behind the purchase price are measured after closing

6. Measure the Value Assumptions and Hand Over

Measurement is against the assumptions used to justify the purchase price, not against a new plan.
Observation runs over at least four quarters; earlier than that it does not show whether an effect reaches the result.
The handover point is fixed at the outset: after it your organisation runs the acquired unit on its own.
Daily Rates

What M&A Consulting Costs — Daily Rates and Budget Frames

We bill external support in transactions by daily rate, not as a success fee on transaction volume. The rate follows from five factors: seniority and the number of completed processes; workstream and industry (regulated businesses, carve-outs and cross-border processes sit above the average); depth of responsibility — a single diligence question sits below running a whole process; the share of on-site presence; and availability in the profile sought under time pressure.

The ranges in our pool for the M&A & Due Diligence practice currently sit between €900 and €2,000 per day. They are published openly for each role — on the relevant role page, not on request:

All ranges come from the role pages and are kept up to date there.

How to budget a transaction. You plan in person-days per workstream, not as a percentage of the purchase price. A single workstream on a mid-sized target usually sits at 10 to 25 person-days; diligence across several workstreams is bundled accordingly. The negotiation and contract phase is costed separately, because its size depends on the number of findings, not on the size of the target. For integration the logic is reversed: it is staffed for a duration, not for a scope.

Two points that are worth more than a discount before you commission anything. First: a workstream that produces one finding with an amount attached has as a rule paid for itself — the calculation that counts is the one against the purchase price, not the one against the advisory budget. Second: the most expensive item in a transaction is rarely the fee, it is capacity left unstaffed after closing. We say before the engagement starts if we think a task can be solved in-house.

These are ranges, not fixed prices. What your project actually costs depends on the scope — and we settle that beforehand, not in the invoice.

What a project needs depends on the stage: a financial due diligence calls for different experience than steering an integration. The full overview sits under M&A & Due Diligence — among them Freelance M&A Consultant, Freelance Due Diligence Consultant, Freelance Financial Due Diligence Specialist, Freelance Commercial Due Diligence Specialist, Freelance Legal Due Diligence Specialist and Freelance Post-Merger Integration Consultant. Alongside these we staff from Finance & Controlling and Transformation & Change Management; the valuation and financing side sits under corporate finance consulting.

Market Figures

The Succession Wave in the Mittelstand Makes Selling a Company the Normal Case

109,000

mid-sized companies a year are aiming to settle succession through to the end of 2029, according to KfW — most of them for the first and only time.
KfW Research, Nachfolge-Monitoring Mittelstand 2025

42%

of Mittelstand owners planning succession are considering a sale to an external buyer instead of a handover within the family.
KfW Research, Fokus Volkswirtschaft No. 526

+34%

higher than in 2019 are the purchase prices sought in the Mittelstand — which widens the expectation gap between the two sides rather than closing it.
KfW Research, Nachfolge-Monitoring Mittelstand 2025
Questions and Answers

Frequently Asked Questions About M&A Consulting

M&A consulting — also called transaction advisory or mergers and acquisitions consulting — supports the purchase, sale and combination of companies and parts of companies: preparing the documents and the data room, due diligence across the finance, market, legal, tax, IT and people workstreams, translating the diligence results into purchase price, warranties and contract conditions, and post-merger integration after closing. It differs from pure brokerage in that it starts from what can be substantiated, not from bringing the parties together. Anyone searching for an M&A consultant usually means this service.
They run the process against a timeline counted back from the target date: settle the frame and confidentiality, produce the documents, structure the data room by workstream, bundle question lists and management sessions, collect findings and translate them into price reductions, warranties or closing conditions. On the sell side the emphasis lies before the first contact with an interested party; on the buy side it lies in the diligence and in the purchase price mechanics. The decision on whether to proceed is always taken by the company itself.
We bill by daily rate, not as a commission on transaction volume. In the M&A & Due Diligence practice the published ranges currently sit between €900 and €2,000 per day, depending on seniority, workstream, industry, depth of responsibility and availability under time pressure; each role publishes its own range on its own page. You plan a project in person-days per workstream — a single workstream on a mid-sized target usually sits at 10 to 25 days. What matters is the ratio to the purchase price, not to the advisory budget.
The usual ones are financial due diligence (quality of earnings, working capital, net debt), commercial due diligence (market, customers, how well the plan holds), legal due diligence (contracts, shareholding history, liability), plus tax, IT and HR due diligence, and for industrial targets technical and environmental reviews as well. Which workstreams are needed is decided not by the size of the target but by where its value sits: for a software business, examining recurring revenue and the licence position is essential; in plant engineering it is the valuation of the order backlog. A workstream without a recognisable value question produces paper, not insight.
In six stages whose sequence is fixed: settle the frame and timeline; produce the documents and build the data room; work the workstreams in parallel; translate the findings into price and contract; prepare the combination and work through it after closing; measure the value assumptions. A stage can only be shortened where solid preparatory work exists. The most common deviation is not a shortening but an omission: the integration plan gets created after closing instead of before it.
Post-merger integration is the bringing together of two organisations after the deal closes: management structure, systems and data migration, reporting onto one set of figures, customer and supplier communication, retention of key people, and tracking the synergies used to justify the purchase price. The planning has to start before closing — on the day the diligence delivers the assumptions that are meant to be redeemed later. The value of a transaction arises in this phase; it was negotiated in the one before.
An M&A boutique or investment bank brokers and structures the transaction and is paid mostly on success against volume; its interest is the closing. Corporate finance consulting works on valuation, financing and capital structure — standing topics without a cut-off date; the boundary is set out under corporate finance consulting. We supply the specialists who examine, make you ready to negotiate and integrate afterwards, on a daily rate basis and without any dependence on whether the deal happens. Law firm and auditor are untouched by this: contract drafting and the statutory audit stay there.
It is worth it when an offer arrives before your own figures exist; when succession is decided but the sale process is not set up; when diligence has to run alongside the day job; when a group division still has to be separated out; when diligence findings have not been translated into contractual effect; or when nobody owns the integration after closing. It is not worth it when a practised M&A function sits in the house, the target market is known, and capacity is free for both halves — before and after the signature.
You can rely on us

Excellent. We are not the only ones who think so.

consultingheads has received several awards from leading trade magazines and independent third parties.

Award for consultingheads: F.A.Z. Institut TOP Berater 2026
Award for consultingheads: kununu Top Company 2025
Award for consultingheads: brand eins Beste Unternehmensberater 2025
Award for consultingheads: kununu Top Company 2024
Award for consultingheads: brand eins Beste Unternehmensberater 2024
Award for consultingheads: kununu Top Company 2023
Award for consultingheads: brand eins Beste Berater 2019
Award for consultingheads: brand eins Beste Unternehmensberater 2021
Award for consultingheads: brand eins Beste Unternehmensberater 2020
Award for consultingheads: brand eins Beste Unternehmensberater 2026
Award for consultingheads: F.A.Z. Institut TOP Berater 2026
Award for consultingheads: kununu Top Company 2025
Award for consultingheads: brand eins Beste Unternehmensberater 2025
Award for consultingheads: kununu Top Company 2024
Award for consultingheads: brand eins Beste Unternehmensberater 2024
Award for consultingheads: kununu Top Company 2023
Award for consultingheads: brand eins Beste Berater 2019
Award for consultingheads: brand eins Beste Unternehmensberater 2021
Award for consultingheads: brand eins Beste Unternehmensberater 2020
Award for consultingheads: brand eins Beste Unternehmensberater 2026
bildmarke
Award for consultingheads: brand eins Beste Unternehmensberater 2026
Contact

Let's talk about your timeline.

Your transaction roadmap framed in twenty minutes
One named first workstream instead of a methodology overview
Open daily rate ranges before you send an enquiry
Twenty minutes in which we frame your starting position and name which workstream is needed first — and whether the task is in the right place with us.