DMAIC and Other Six Sigma Tools to Drive Continuous Improvement
DMAIC is a five-phase method for improving an existing process, and it belongs to the Six Sigma family of tools. Its phases are Define, Measure,...
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ICX Consulting, a commercial strategy and customer experience consulting firm, sees three key benefits of defining your processes. Defined processes raise the quality of what the business delivers, improve the experience of internal and external customers, and generate savings that make automation possible. Without that definition, companies grow by adding effort instead of capability.
When we talk about functions, procedures and Business Process design, there is an important difference in order. A function can be a process, such as generating a quotation, but a process can be made up of several functions.
Procedures are step-by-step guides that help accomplish goals, but they often remain formal documents written in prose that are archived with little value to the organization. A business process, on the other hand, is a set of activities executed to reach a result. Unlike a function, it can encompass a broader scope that incorporates other functions and gives a better understanding of what the company does. Unlike a procedure, it contains much more information, which can be represented visually through maps or diagrams that are more useful and easier to understand.
Defining a process gives leadership better vision and control, but what are the benefits for the business, and is it worth the investment? For an executive the answer shows up in three places on the scorecard. Quality and consistency, which protect price and reputation. Customer experience, which drives retention and referrals. And cost, which determines how much of every new sale turns into margin. This article looks at each one from the point of view of the business and its customers.
Think of a leadership meeting at a growing services company. A new regional director asks a simple question about how a client request becomes an invoice, and three managers give three different answers. Each is describing the process as they practice it, and each is partly right. The company has grown through talent and effort, but it has never written down how the work flows, so every new client, new hire and new system has to rediscover the answer. The cost does not appear as a line in the budget. It appears as rework, delays and a leadership team that cannot say with confidence what will happen when volume doubles. The benefits described below begin with fixing exactly that.
>> Process improvement using As Is & To Be <<
Defining a process involves identifying its inputs and outputs. With this first step, the company can start taking measurements. How much time does each task require? How long does it take to build a product or provide a service? How many resources are consumed each month?
It is also necessary to define the actors involved, those responsible for executing each task, the suppliers and the users of each output. With so much information, it is advisable to use a BPM approach, flowcharts or tools such as SIPOC. These visually represent processes with their flow of activities and all the elements mentioned above, guaranteeing a clear and general view from a process management perspective.

Definition also gives the company the ability to do three things. The first is to question processes. Many started as functions years ago and remain unchanged, which should lead the organization to ask constantly whether it is doing everything in the best possible way, and visual aids make processes easier to understand and make this reasoning possible. The second is to measure, analyze and control them. Indicators measure performance and should generate alerts when a process is going wrong, which translates into preventive actions, improvement opportunities, corrective work and control of the process. The third is to optimize them. Optimization is not achieved, it is pursued. Often it is necessary to eliminate rework, identify best practices or add activities that generate value, and continuous improvement is a philosophy that teaches that we can always improve, as long as it is done iteratively.
Defining your processes allows you to measure them, which makes them easier to control. That is what setting a standard means, and a standard is also a competitive advantage. Quality in a product or service is not an accident. It is the result of a methodology designed to improve processes, and its first step is definition.

Customers are not only external. A service process can be, for example, the internal customer of a sales process. Each process has a scope defined by its objective, but processes also affect other areas, so it is necessary to understand how they interact and who the actors are at each stage.
Consider a purchasing or production manager who updates product inventory and provides that information to marketing to design monthly campaigns. Once a marketing manager approves them, the campaigns are published and reach the sales and service areas, which carry out negotiations, closings and delivery. From a hierarchical point of view there are four departments with their own functions. From a process management point of view there is only one flow.
Identifying the specific requirements of each area is the first step to understanding your people. When you design a process, consider the users who will take part in it, their frustrations, what is easier for them and the improvement opportunities they have identified through experience. Knowing the flow of an internal process lets you question, measure, optimize and control it, improving the employee experience and raising productivity and efficiency.

External customers also go through a process with the company, the purchase. They are the foundation of any business, so it is essential to understand them in the world of Customer Experience. A useful tool for this is their Customer Journey. As with internal processes, identifying what the customer needs at each stage and internalizing their emotions, motivations, frustrations, objectives and expectations provides input to adapt to their buying process. The perception a customer forms through that process is what we call experience. Because it is a process, it can be improved, and improving it improves the experience.
This brings two extra benefits. First, customers become loyal, which matters because the cost of keeping a customer is lower than the cost of attracting a new one. Research summarized in Harvard Business Review puts the gap wide, noting that acquiring a new customer is anywhere from five to 25 times more expensive than retaining an existing one. Second, loyal customers become promoters of the brand, improving its image and attracting new customers with less effort.
>> 10 reasons to automate your business processes <<

The most significant benefit of a correct definition of processes is saving money. Once processes are mapped and diagrammed, the flow of information and materials is easy to understand, which makes it possible to create a step-by-step guide that reduces errors and rework.
Ordering and optimizing processes also opens the door to effective automation. Many tasks, such as following up on a customer portfolio, managing purchase orders or handling claims, are time-consuming. A well-defined process simplifies many of them.
Platforms for automated workflows do not eliminate every manual task, but bots can take over those that are repetitive, frequent and tedious. Employees are freed from activities that do not generate value, human error goes down and people gain time for complex tasks, process management and continuous improvement.
An initial investment is necessary, but the gains go beyond higher productivity and scalability. The company also finds better ways to manage its resources, get the most out of them and save money.

Process management, as opposed to purely vertical management, creates a collaborative environment across departments while giving employees greater autonomy. As a result of this synergy, processes become more effective and more efficient.
>> Process improvement using As Is & To Be <<
The cost of undefined processes rarely appears as a line in the budget. It shows up as symptoms that leaders learn to live with. The same task is done differently depending on who is on shift, so quality varies from one customer to the next. Knowledge lives in a few experienced people, and the business slows down every time one of them is absent or leaves. New hires take months to become productive because there is no clear standard to learn. Technology projects run late because requirements are discovered during implementation.
Each symptom slows growth, because every new customer adds effort instead of being absorbed by a repeatable process.
Executives often hear that process definition saves money but rarely see where. In most companies the savings come from five sources, and each can be estimated before a project starts.
| Source of savings | How definition creates it | How to estimate it |
|---|---|---|
| Rework | Clear inputs and rules reduce errors that must be corrected later | Share of cases reopened or corrected, times cost per case |
| Waiting time | Defined handoffs and owners remove idle time between steps | Average cycle time vs. actual work time |
| Duplicated work | One flow replaces parallel versions in different departments | Hours spent re-entering or reconciling data |
| Manual effort | Stable steps can be automated | Volume of repetitive tasks times minutes per task |
| Lost revenue | Faster, consistent processes lose fewer customers | Churn or abandoned deals linked to delays or errors |
The last row is the one most often ignored and frequently the largest. A slow quote, a wrong invoice or a missed delivery date costs more in lost customers than in internal hours.
A practical way to use the table is to ask finance and operations to fill in a rough estimate for each row on a single process before any project begins. The numbers do not need to be precise. What matters is to see which source is largest, because that choice decides whether the first effort should focus on quality, on speed or on automation. A team that starts with the biggest source of loss will show results sooner and will find it easier to win support for the next process.
Four decisions follow for the executive team. To convert more, define the quote-to-order process first, since speed and accuracy in proposals have a direct effect on win rates. To retain and build loyalty, map the processes behind your top three complaints and assign an owner to each. To serve better, treat internal handoffs as customer relationships, with clear requirements and service levels between areas. To improve efficiency, approve automation investments only for processes that are already defined and measured, so savings can be proven.
The process approach focuses on the customer, the person for whom value is generated, and judges performance through their experience. Defining processes is the first step toward this horizontal model, which helps the business grow and generate savings and profits by reducing the effort needed to meet its objectives.
The same logic produces different returns depending on the sector. In financial services and insurance, defined processes make onboarding, underwriting and claims consistent, which supports compliance and shortens the time a customer waits for an answer. In manufacturing and distribution, a defined order-to-delivery flow reduces expediting, stockouts and the emergency work that consumes margin. In healthcare, defined admission, scheduling and billing processes reduce errors that affect both patients and revenue. In retail and e-commerce, clear processes for returns, stock and fulfillment decide whether a promotion creates loyalty or complaints. In technology and professional services, a defined path from sale to delivery keeps what was promised aligned with what the team can deliver.
In each case the pattern repeats. The sector changes the vocabulary and the regulation, but the logic is constant. A process that is written, owned and measured can be improved, while a process that lives in people's heads can only be repeated.
Defining processes is valuable, but it can be done badly. Excessive documentation produces manuals that nobody reads and slows down teams that need room to decide. The remedy is to define the essential flow, its owner, its inputs and outputs and a few indicators, and to leave room for judgment in the exceptions. A second risk is defining the process as people say it works and not as it really works. Observing actual cases and talking to those who do the work avoids a map that looks right but fails in practice.
Timing is the third limit. The benefits in quality and experience appear within months, while savings from automation usually need a stable process and an initial investment before they show up in the numbers. Leaders who expect immediate savings may lose patience before the gains arrive. Finally, a defined process is not a finished process. Customers, regulations and technology change, so each process needs an owner and a regular review. Treated as a living asset and not a one-time project, definition becomes the foundation on which improvement and automation can safely build.
For a broader foundation, see what a business process is and the 6 key steps to define your business processes.
ICX Consulting helps companies define and improve the processes that shape quality, customer experience and cost. Our business process improvement and customer process and business rules design services connect each process to the customer it serves, and process cost analysis shows where the savings are before anything is automated.
To start, use the Define Activities and Processes Toolkit to document the activities, actors, inputs and outputs of your first process.
A single, well-scoped process can usually be mapped and documented in a few working sessions with the people who run it. Defining the full process architecture of a company takes longer and is best done in waves, starting with the processes that affect customers and cash.
The people who execute it, the owner accountable for its result, and representatives of the areas that supply inputs or receive outputs. Leaving out the people who do the work produces diagrams that look right but do not match reality, which is one of the most common reasons process projects fail.
No. Workshops, sticky notes and a simple diagramming tool are enough to start. Specialized BPM or process mining tools become useful when you need to manage many processes, simulate changes or monitor execution in real time, but they do not replace the conversation about how work should flow.
Give each process an owner, review its indicators regularly and update the documentation whenever a system, regulation or product changes. A process that is reviewed every quarter stays alive, while one that is documented once and filed becomes another archived procedure.
Every undefined process is paying for rework, delays and customers who quietly leave. Want to see which of your processes would return the most once defined? Request a diagnostic with an ICX consultant and turn effort into capability.
DMAIC is a five-phase method for improving an existing process, and it belongs to the Six Sigma family of tools. Its phases are Define, Measure,...
Process improvement using As-Is and To-Be is a method that documents how a process really works today, the As-Is, designs its improved future state,...
A BPM, short for Business Process Management, is a management discipline that analyzes, designs, executes, monitors and continuously improves the...