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For business, the KISS principle means keeping a product, process, system, or explanation as simple as it can be while still doing its job. In practice, that means removing steps, features, approvals, and jargon that do not serve the customer’s real problem or the organization’s goal, and keeping the parts that do. KISS works as a decision rule for judging complexity. It is not a promise that simpler is always better.
What the acronym means
KISS is most often expanded as “Keep it simple, stupid.” Business.com, in its article “Keep It Simple Stupid: How Businesses Can Use the KISS Principle” (updated September 18, 2026), also gives the gentler form “Keep it simple and straightforward,” and describes the business use of the idea as avoiding making things more complicated than they have to be. For a business audience, the softer wording conveys the same meaning without the blunt version, and it reads better in internal memos, job descriptions, and client-facing material.
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The principle is older than most business applications of it. Kellogg School of Management and the Association for Project Management both report a U.S. Navy attribution from the 1960s. Kellogg specifies 1960. Both sources are secondary accounts, so treat the Navy origin as the commonly reported story rather than a documented historical fact.
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Where KISS applies in a business
The principle is not limited to design or writing. Business.com describes it as applicable to business processes, systems, product work, and marketing communication. The most useful applications fall into five areas.
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Operations and workflows
Look for unnecessary steps, duplicated work, and handoffs between people or departments that add delay without adding quality. A process with three approvals where one would protect the same risk is a typical KISS target. Business.com explicitly frames removing unnecessary steps and redundancies as a KISS application.
Products and features
Start with the main customer problem and build the core offer around it. Once the core works, review each added feature and ask whether it provides clear value to the customer. Feature sprawl is the classic failure this principle is meant to catch. Business.com recommends focusing product development on core features and reviewing complexity on an ongoing basis.
Project communication and business cases
Dr Jim Dale’s Association for Project Management article “Applying the KISS principle” (November 9, 2017) argues for a clearly explained project vision and a business case in which the benefits clearly exceed the risks, costs, and timescales. The point is practical: if the people funding or delivering a project cannot restate its purpose in a few sentences, the project is probably carrying more complexity than it needs.
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Overlapping product lines, customer segments, locations, and markets can accumulate into complexity that no single decision created. Kellogg School of Management’s article “Three Ways for Companies to Avoid Becoming Too Complex” discusses these patterns, drawing on the work of Professor Mohan Sawhney. Reviewing how these pieces fit together is a more useful exercise than asking whether the company has “too many” of anything in general.
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Leadership and information flow
Simplicity in decision-making depends on people having the information needed to understand what the business is trying to achieve. Jack Welch’s 1989 interview in Harvard Business Review linked organizational simplicity to clear communication and access to information, which is why KISS is often as much about how a message travels as about how a process is built.
How to apply KISS to a process or offer
- State the customer need or business outcome the process, product, or message must serve. Write it in one or two sentences.
- List everything currently involved: steps, features, choices, approvals, and the terminology people use.
- For each item, ask what it contributes to the outcome. Remove items that add no clear value, and combine items that do the same job.
- Describe the resulting process or offer in plain language, and name the person responsible for each part.
- Check with the people who use the system or receive the communication that the simpler version still meets the real requirement. Do not rely on the person who designed the simplification to judge it.
- Revisit the decision when customer needs, risks, or business conditions change. A simplification that fit last year’s conditions may no longer fit.
These steps are editorial recommendations drawn from the sources above. They are not a tested method, and the sources do not report a measured improvement from applying them.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Where simplicity goes too far
KISS does not mean stripping out safeguards, necessary choices, or the information people need to make a sound decision. MIT Press’s description of John Maeda’s work in The Laws of Simplicity makes the same point. Maeda’s first law is “Reduce,” but the book’s framing treats simplicity as a balance with complexity rather than a drive toward less for its own sake. It also acknowledges that some things cannot be made simple.
The practical test is whether a simplification preserves the function and meaning that matter. Common ways it overshoots include:
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- Removing a control, review, or check whose purpose is risk management rather than bureaucracy.
- Cutting a feature that a specific customer group depends on, because the average customer does not use it.
- Simplifying the message so far that the audience cannot act on it.
- Treating a company-level complexity problem as a reason to cut a product line without examining whether that line is the actual source of the cost.
Kellogg’s discussion notes that product lines, customer segments, and markets can accumulate into complexity. The article does not establish that cutting any particular offering will improve a particular company’s results, so diagnose what is redundant or burdensome before recommending removal.
For a longer treatment of the idea beyond business, Maeda’s The Laws of Simplicity, published by MIT Press, covers simplicity and complexity across business, technology, and design.
Jack Welch on simplicity at scale
In a September 1989 Harvard Business Review interview, “Speed, Simplicity, Self-Confidence: An Interview with Jack Welch,” Welch said: “For a large organization to be effective, it must be simple.” The statement is a useful anchor for KISS in larger companies, where complexity tends to grow with headcount, reporting lines, and product count.
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