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Principle and Boundary

What Lean Management Consulting Delivers — and What It Does Not

Touch time and wait time being recorded at a production line

Lean management consulting — depending on the house also called lean consulting, lean manufacturing consulting, operational excellence consulting or kaizen consulting — follows a single quantity through the whole operation: the time that passes between order and delivery. That time splits into two parts which behave completely differently. One is touch time, in which somebody is actually working on the part or the case. The other is wait time, in which both simply queue. In most flows that have been measured the second part is by far the larger one — and it is the one almost nobody knows.

It attacks wait time, not the pace of work. A programme that speeds up the processing steps wins minutes in a flow whose losses are counted in days. That is why lean work starts with value stream mapping that reports both times separately, and only then aims the measures at handovers, batch sizes, setups and queues. Speeding up the takt without lowering the inventory between the steps only speeds up the waiting.

It treats utilization as a lever, not as a target. A station loaded to 95% inevitably forms a queue as soon as arrivals or processing times vary — and they always vary. High utilization and short lead time are therefore not two goals to be maximized together but opponents, between which somebody chooses deliberately. That choice is rarely made in a metrics system, because the system usually carries only one of the two.

It needs a demand rate as a yardstick. Without customer takt there is no “enough”: no statement about how much capacity a line or a team has to hold, no basis for leveling, no way to separate a real bottleneck from the consequence of variation. Where that reference is missing, improvement turns into a series of single measures without a common denominator — visible in the fact that nobody can say which of them lowered the lead time.

The same body of work carries several names: lean manufacturing, continuous improvement, operational excellence — and Lean Six Sigma, which belongs in this field too but joins flow orientation to a statistical view of variation. The Japanese vocabulary of the method has stayed in place worldwide: kaizen for the improvement routine, kanban for pull control, gemba for the point of work, muda for waste, heijunka for leveling. Companies with sites in German-speaking Europe we support in both languages.

What it does not deliver. It is not a headcount reduction programme. Time that is freed has to be turned into a purpose — more output, shorter promises, work brought back in-house — otherwise it fills up again by itself. Nor does it replace an investment decision: where a machine technically cannot do what the takt demands, no method helps. And it does not hold without leadership: without a daily deviation dialogue on the floor, every standard that was introduced falls apart within a few months — the most frequent reason why a second lean wave becomes necessary.

Where this page ends: capacity, output, equipment availability and plant control belong to operations and process improvement. Mapping, modelling and governance of business processes are described under process consulting, inventory and network structure under supply chain consulting. Where the trigger is an earnings turnaround under time pressure, the route runs through restructuring consulting.

Trigger Patterns

When External Support Carries a Lean Initiative Past the Start

Not every improvement task needs help from outside. Where a trained improvement role sits in the house, the value streams are mapped and leadership genuinely runs the deviation dialogue, the internal route is the more durable one. In the situations below the calculation comes out differently, and the reason is structural: a lean rollout requires somebody to question familiar metrics — the utilization of a machine, the batch size, the days of inventory cover. Anyone who is measured on those numbers can hardly do it.

1. Due Dates Slip Although Every Station Is Busy

  • The utilization reports look good and on-time delivery does not — a pattern that points to queues, not to missing capacity.
  • Before any investment in capacity the question is what share of the lead time is wait time.
  • Answering it needs a map of the whole value stream, not metrics per cost centre.

2. An Earlier Lean Rollout Has Gone to Sleep

  • Markings on the floor, boards on the wall, but no maintained standards and no meeting that deals with deviations.
  • The relapse almost always has a leadership cause, not a method cause — and it is rarely named as such from inside.
  • A restart therefore has to begin with the leadership routine, not with the tools.

3. A Bottleneck Wanders and Cannot Be Pinned Down

  • Every week a different station appears as the cause in the report; expedited runs and rescheduling become normal.
  • A wandering bottleneck is a variation problem and is solved by leveling and decoupling, not by buying capacity.
  • Telling the two apart takes measurement over several weeks and experience with comparable patterns.

4. Setup and Changeover Times Limit the Batch Size

  • Smaller runs and more variants are being asked for, and setup time makes them uneconomic.
  • Setup time reduction is craft work and is abandoned too early without outside guidance.
  • The effect only shows once the time saved is actually spent on smaller batches.

5. Administration and Order Handling Are the Longer Part

  • Manufacturing takes days; quoting, release and order clarification take weeks.
  • Lean administration works on the same principles but with different tools — and that experience is rarely available in a production-focused environment.
  • The leverage sits in queries, release stages and duplicate data entry.

6. One Site Is Meant to Adopt an Approach That Works Elsewhere

  • One plant or team visibly works better, and transferring it to the others gets stuck.
  • What transfers are principles and standards, not the specific solution — telling them apart is the actual work.
  • From outside it is easier to see what really makes the difference at the model site.

Does one of these patterns look familiar in your operation? Twenty minutes are enough for a first read: which value stream should be mapped first, what share of the lead time there is likely to be wait time — and whether support from outside is needed at all.

Leverage Points

The Leverage Points: Where Lean Work Takes Hold in an Operation

The leverage points can be staffed on their own or in combination. In most assignments it starts with the mapping and grows into the neighbouring fields, because they build on each other: a levelled plan without short setup times cannot be run, and a standard without a leadership routine does not hold. Which field bites first depends on whether transparency, technology or leadership is the weaker part in the house.

Value Stream Mapping and Lead Time Analysis

A map of the current state across the whole flow, with touch time and wait time reported separately, work in process between the steps, batch sizes and handover points. The result is a target value stream with a target lead time and a transparent calculation of where the reduction comes from. The mapping is manual work at the point of work and cannot be derived from an ERP report — that report records the booking, not the waiting.

Flow, Takt and Leveling

Laying out the flow against the customer demand rate: takt alignment, decoupling points, pull control with kanban instead of forward scheduling, heijunka leveling of the order mix and a batch size policy. The decisive question is at which point inventory is held deliberately, so that variation does not travel through the whole chain. Without that answer every flow concept breaks at the first special order.

Setup Time Reduction and Equipment Stability

Separating internal from external setup, fixture and tooling work, standardizing the setup sequence — and on the equipment side preventive maintenance, minor stoppage analysis and autonomous maintenance by the operators. Both strands serve the same purpose: making small batches runnable without losing economy. Measured on setup time per changeover and on the number of unplanned interruptions.

Workplace, Standard and Quality at the Source

Order and reach at the workplace, ergonomic layout, visual management, standardized work written jointly rather than issued from above — 5S in the sense of a working habit, not of a tidiness audit. Added to that is error prevention at the source: inspection where the defect arises instead of at the end of the line, and technical safeguards that make the wrong move impossible. Without a standard there is no deviation — and therefore nothing to improve.

Shopfloor Management and the Improvement Routine

The leadership side: a short regular meeting at the point of work, metrics that arise there and are understood there, one binding escalation step and a method that gets at causes instead of symptoms. Added to that is building an in-house kaizen routine including qualification of the roles involved. This leverage point decides whether the other measures still hold after a year.

Lean Administration and Lean Six Sigma

Carrying the principles into order handling, quoting, release and billing runs: queries as the main source of wait time, release stages that add nothing, duplicate entry across systems. Where variation rather than flow is the problem, a statistical view complements the lean tools — with the DMAIC structure, capability indices and checked measurement systems, used in the dose the data situation carries.

Which leverage point carries the most weight in your case can be placed roughly in a short call — including the honest answer whether an assignment pays for itself at all.

Modes of Involvement

How Lean Specialists Work Inside Your Organization

In lean work it is less the mandate that decides than the closeness to the work: whoever changes a value stream has to work with the people on the line or at the desk, not over them. Four modes of involvement have proven themselves, from mapping a single value stream to line responsibility. They can be mixed, and the cut often changes along the way. The same frame applies to all of them: a named internal owner, a target for lead time or inventory agreed up front, and a baseline to measure against later.

Mapping

Mapping a Single Value Stream

One specialist maps a defined flow and lays touch time against wait time: work in process between the steps, batch sizes, setup effort, handovers. The result is a target picture with a calculated target figure and a ranked list of measures — without any apparatus around it.

Joint Team

Improvement Team With Your People

Two to five external specialists work in one team with your supervisors, planners and case handlers, under internal professional lead. The usual shape for value stream redesign, because the new standard has to be built where it will later run — and because the know-how is meant to stay in the house.

Interim Role

Improvement Role on an Interim Basis

One external person fills the lean, kaizen or operational excellence role with a mandate of their own: maintain standards, follow up deviations, build qualification, keep the leadership routine running. The typical choice when the position is vacant or is being created in the organization for the first time.

Line Leadership

Leadership Responsibility With a Lean Mandate

One external person takes production, plant or area responsibility with decision authority and the explicit mandate to convert the operation to flow. Appropriate where the conversion has to happen against established utilization targets and needs the right to direct in order to do so.

Industry Pace

Lean by Industry: Where Flow Orientation Tends to Break Down

Lean cannot be rolled out industry-neutrally, because every industry brings its own cause of wait time. In automotive supply the takt is given and the difficulty sits in the number of variants and in well-practised expedited runs; in machinery and plant engineering there is strictly speaking no takt, because every lot runs to a handful of units and engineering runs alongside; in the process industry batch sizes and cleaning steps are set by the process, which moves the leverage out of manufacturing into planning and maintenance; in pharmaceuticals and medical technology the documentation duty limits how fast a standard may be changed; in logistics wait time arises at the dock and the transfer point, not in the handling; and in administration and services the inventory is invisible, because it sits in inboxes and systems rather than on a pallet. The principles hold everywhere alike; which lever really carries and which mistake is waiting is decided anew in each field.

We therefore staff on industry and process experience rather than availability: with specialists who know the production type in question, the usual documentation duties, the limits of the equipment and the points at which comparable conversions have failed before. Selection runs from a network with 25 areas of competence and more than 300 role profiles. Most often we work in the six fields below; each tile names the cause of wait time that governs there.

Robotic production with material supplied close to takt

Automotive & Supplier Industry

Assembly of a module in plant engineering at takted stations

Machinery & Plant Engineering

Process industry plant running in campaign mode

Chemicals & Process Industry

Filling under cleanroom conditions with documented release

Pharmaceuticals & Medical Technology

Order picking in a distribution warehouse with a levelled order sequence

Logistics & Distribution

Case handling with a case flow that avoids batching

Administration & Services

Robotic production with material supplied close to takt

Automotive & Supplier Industry

Assembly of a module in plant engineering at takted stations

Machinery & Plant Engineering

Process industry plant running in campaign mode

Chemicals & Process Industry

Filling under cleanroom conditions with documented release

Pharmaceuticals & Medical Technology

Order picking in a distribution warehouse with a levelled order sequence

Logistics & Distribution

Case handling with a case flow that avoids batching

Administration & Services

Assignment Types

Typical Lean Initiatives and the Metric They Are Judged By

What is actually commissioned in a lean context falls for the most part into a few assignment types. Each has a typical starting situation, a sequence that has proven itself, and a metric agreed before the start and measured during the run — not estimated at the end. Decisive in every case is the baseline: without a recorded lead time and an inventory level at the starting date, any improvement can be claimed afterwards and none can be shown.

Value Stream Redesign in One Area

Starting situation: a manufacturing or machining line with high work in process, long lead time and good station utilization. The sequence that carries: first map and separate touch time from wait time, then set the target flow with a decoupling point, then bring setup times down so smaller batches become runnable, and only then convert. Measured on lead time and inventory between the steps, split into flow and setup effect.

Building Shopfloor Management

Starting situation: metrics arise in controlling and reach the line weeks late; deviations are reported instead of worked through. The route runs via a small number of metrics that arise on site, a short daily meeting with a fixed agenda, a named escalation step and a method for getting at causes. Measured on the number of open deviations older than a week and on whether the manager runs the meeting personally.

Reviving a Dormant Improvement Routine

Starting situation: the tools are known, the boards hang, the standards are out of date, the improvement role is vacant or busy with something else. First a check of which standards are actually followed, then rewriting them together with the people involved, then restarting the routine in one area and only then widening it. Measured on implemented improvements per employee and on how current the standards are.

Lean Administration in Order Processing

Starting situation: manufacturing is faster than administration, orders wait for clarification, releases and queries. First the case flow is mapped with real waiting times, then release stages without a contribution are removed, the intake check is completed and batch handling is phased out. Measured on case throughput time, query rate and the share of orders that arrive complete.

Lean Profiles

Who Carries Lean Work on the Floor: Profiles From Our Network

The six profiles below are an extract — they stand for the roles most often asked for in lean initiatives. Through the areas of competence Operations & Production and Restructuring & Operational Efficiency a good many further profiles are reachable, among them leadership roles for plant and maintenance. What fits the task lies far apart: value stream mapping asks for different experience than installing a leadership routine.

From Value Stream Mapping to a Standard That Holds

Scope and duration of the stages depend on production type, variant count and data situation; the sequence does not: measure first, then decide, then make it runnable, then convert, then stabilize. We skip no stage and shorten one only where sound preparatory work exists — a conversion without recorded wait times is a rebuild on a hunch.

Recording lead time with touch time and wait time captured separately

1. Measure Flow, Do Not Estimate It

Mapping at the point of work across the whole flow: touch time, wait time, inventory between the steps, batch size, setup effort.
Establishing the customer demand rate as a yardstick — without it every target figure lacks its reason.
At the end there is one number that manufacturing, planning and controlling all accept: the wait time share of the lead time.
Agreeing the target value stream with a defined decoupling point

2. Define the Target Flow and Justify the Target Figure

Deciding where the flow is decoupled and which inventory is deliberately held at that point.
A target figure for lead time and inventory, calculated from the mapping and not issued as a demand.
Areas that are deferred are named together with the reason — usually equipment technology or a documentation duty.
Cutting setup time by separating internal from external setup

3. Make Small Batches Runnable

Setup time reduction, fixture work and standardized setup sequences at the stations that determine the batch size.
Preventive maintenance and minor stoppage analysis on the bottleneck units.
This stage is skipped most often — and it is the reason the conversion fails afterwards.
The new work sequence being written down with the team at the workplace

4. Convert the Process and Write the Standard

Rebuilding workplaces and control: pull instead of forward scheduling, visual management, a levelled order mix.
Standardized work sequences are written with the people involved, not for them.
Quality checks move to the place where the defect arises.
Daily short stand-up at the board with a named escalation step

5. Get the Leadership Routine Running

A short daily meeting at the point of work with a few metrics that arise there.
A named escalation step and a method by which causes rather than symptoms are dealt with.
The meeting is run by the manager, not by the consultant — otherwise it ends with the assignment.
Re-measuring lead time against the recorded baseline

6. Measure Again and Hand Over

Re-measurement against the baseline, split into flow, setup and quality effect.
Handover to the internal improvement role including standards, metric definitions and open points.
The real test comes after six to twelve months: does the standard hold without an outside presence?
Daily Rates

What Lean Management Consulting Costs: Daily Rates and Budget Ranges

External support in a lean context is billed by daily rate with us, not as a fixed project fee. The rate follows from five factors: seniority and the number of conversions actually accompanied; industry and production type (process industry, pharmaceuticals and regulated environments sit above the middle); the share of on-site presence — lean work is tied to a place and can hardly be done remotely; the length of the assignment, where longer assignments sit lower per day; and availability in the profile being sought.

The stated ranges of the roles shown below run from €650 to €2,200 per day. The method-side lean, kaizen and Six Sigma profiles themselves move between €650 and €1,600 within that; the higher figures belong to leadership roles for plant, production and special situations.

Every range is stated openly on the role page it belongs to, not on request.

How a lean initiative can be budgeted. Planning is done in person-days, not as a total sum. Mapping a defined value stream including a target picture and a ranked list of measures usually comes to 10 to 20 person-days. A value stream redesign in one area, from mapping to the written standard, is closer to 30 to 60 days spread over several months with pauses between the stages — the conversion needs time in the operation, not consulting presence. Building a leadership routine is counted in waves per area. An improvement role on an interim basis works differently: two to four days a week over six to eighteen months.

What decides is not the daily rate but its relation to the capital tied up and the time lost: an area holding €4 million of inventory in which the lead time can be halved carries 50 consulting days out of the inventory reduction alone. Where a line runs at its technical limit and demand fills it completely, the leverage is small — and we say so before a proposal is written.

How this differs from a consulting firm. You pay the person working on the value stream and not a pyramid above them: no engagement manager, no partner share, no base cost for a method toolkit and a slide deck. In return you get no apparatus — single specialists or a small team are engaged; the professional lead stays with you. We do not offer success-based models: they create the incentive to show a saving on paper instead of really lowering the lead time.

Market Picture

Utilization Is Low — Lead Times Are Not

77.5%

was the capacity utilization of German industry in January 2026 — well below the long-run average of 83.2%. Anyone missing due dates under that load does not have a capacity problem but a flow problem.
ifo Institute, Business Survey January 2026

+1.5%

higher was labour productivity per hour worked in the second quarter of 2026 than in the same quarter a year earlier. A gain of that size does not come from a faster pace but from fewer losses in the flow.
Federal Statistical Office, GDP Q2 2026

+1.1%

was the rise in value added in manufacturing in the second quarter of 2026 against the previous year — the first increase since the first quarter of 2023. The recovery reaches those who cut their inventory during the downturn.
Federal Statistical Office, GDP Q2 2026
Common Questions

Frequently Asked Questions About Lean Management Consulting

Lean management is a leadership and design approach that aligns an operation with the flow of work: every step is measured on whether it contributes to the result a customer pays for. Everything else — waiting, buffer stock, transport, rework, searching, overproduction — counts as waste, as muda, and is reduced. The approach includes tools such as value stream mapping, pull control with kanban, setup time reduction, 5S workplace organization and standardized work — but above all a leadership routine that deals with deviations daily at the point of work. Anyone searching for lean consulting means this service.
Lean works on time: it shortens lead times by removing wait time, inventory and superfluous steps. Six Sigma works on variation: it reduces the spread of a result with statistical methods, structured along DMAIC. The two are not opposites; they answer different questions — and they are combined as Lean Six Sigma. Which one applies follows from the finding: if the flow is slow but reliable, it is a lean task. If the result scatters widely despite a short lead time, it is a Six Sigma task. Six Sigma cannot be run without sound data; lean can.
We bill by daily rate. The stated ranges of the roles deployed in lean initiatives run from €650 to €2,200 per day; the method-side lean, kaizen and Six Sigma profiles sit between €650 and €1,600 within that. Each role page states its own range. An initiative is planned in person-days: mapping a defined value stream usually takes 10 to 20 days, a value stream redesign in one area 30 to 60 days. What decides is the relation to the capital tied up and the time lost.
Five things: seniority and the number of conversions actually accompanied; industry and production type — process industry, pharmaceuticals and regulated environments sit above the middle; the share of on-site presence; the length of the assignment; and availability in the profile being sought. Interim leadership responsibility sits at the upper end of the range, a bounded value stream mapping at the lower end. Lean work is tied to a place: a low rate with little presence on site is no advantage if the conversion does not hold as a result.
A value stream analysis maps a flow from order to delivery and reports two times separately: the time in which work is actually done, and the time in which the part or the case only waits. Alongside that it records inventory between the steps, batch sizes, setup effort and handovers. What it delivers is one undisputed number — in most flows measured, the wait time share is far larger than expected. From the current state a target value stream with a justified target figure is derived. None of this can be taken from an ERP report: that report shows the booking, not the waiting.
Measured by their effect on lead time there are three: value stream mapping, because without it work happens at the wrong end; setup time reduction, because it makes small batches economic and thereby frees inventory; and shopfloor management, because it decides whether a standard that was introduced still applies a year later. Workplace organization and visual management are effective groundwork but carry no result on their own. The most frequent mistake is the order: introducing tools before the flow is settled.
Yes, under the term lean administration, and the leverage there is often larger — because the inventory is invisible. In administration, order handling and services the work in process sits in inboxes, queues and system states, where nobody trips over it. The principles stay the same; the tools change: instead of setup time and kanban the topics are release stages without a contribution, queries caused by incomplete intake, duplicate entry across systems and batch handling. Experience in that environment is a qualification of its own and is not automatically present in a production-focused profile.
Mapping a bounded value stream is a matter of weeks. A value stream redesign in one area needs several months, because operating time sits between the stages: cutting setup times, converting, writing the standard, stabilizing it. Anyone intending to carry the approach across the whole company plans in years and in waves, area by area. Success is measured against a recorded baseline for lead time and inventory, split into flow, setup and quality effect. The real test comes after six to twelve months: does the standard hold once nobody from outside is present any more?
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Get in Touch

Let's talk about your value stream.

A first read on the ratio of touch time to wait time
A named starting value stream instead of a catalogue of methods
Daily rate ranges stated openly, before you even enquire
Twenty minutes in which we place your starting situation and name the flow that should be mapped first — and whether we are the right address for it.