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What is an SOP

Full name: Standard Operating Procedure

Also known as: standard operating procedure, written procedure, operating procedure, SOP meaning, how to write an SOP, SOP template

Definition

An SOP (Standard Operating Procedure) is a written step-by-step guide to a routine task, so everyone gets the same result. It lists purpose, owner, steps, date.

Why it matters

Written procedures let you hand off tasks to new employees without losing quality.

Common mistakes

Writing procedures that are too long or academic, making them hard to use in daily work.

Related terms

Worked exampleIllustration

A one page SOP: handling a new WhatsApp inquiry

Purpose

every new inquiry gets a reply and a clear next step, whoever is on shift.

Owner

the office manager

Date

the date of the last update

Steps

  1. Save the contact with the customer's name and where the inquiry came from.

  2. Reply the same working day with the standard greeting and one question about what the customer needs.

  3. Add the inquiry to the shared lead list with the date and the need.

  4. Decision: If it is a service you offer, suggest two times for a call. If it is not, say so politely and close the inquiry.

  5. After the call, send the quote from the quote template.

  6. Mark the result in the lead list: booked, waiting or closed.

Purpose, owner, numbered steps and a date: that is the whole structure. Step 4 holds a decision, which is where a small flowchart can help.

SOP Lifecycle

SOP Lifecycle: Write, Test, Store, UpdateWriteTestStoreUpdate
A standard procedure is written, tested, stored, and kept current for the team.

The new person test

A one page SOP: handling a new WhatsApp inquiry

Purpose:every new inquiry gets a reply and a clear next step, whoever is on shift.
Owner:the office manager
Date:the date of the last update

  1. Save the contact with the customer's name and where the inquiry came from.

  2. Reply the same working day with the standard greeting and one question about what the customer needs.

  3. Add the inquiry to the shared lead list with the date and the need.

  4. If it is a service you offer, suggest two times for a call. If it is not, say so politely and close the inquiry.

  5. After the call, send the quote from the quote template.

  6. Mark the result in the lead list: booked, waiting or closed.

The new person ran all six steps without asking anyone. The SOP passes the test, and the work no longer needs you standing over it.

The one page SOP from the example, run by someone on their first day. Take a part out and watch where they get stuck.

Definition

SOP, short for Standard Operating Procedure, is a set of written instructions for a routine, repeated task, so the task is done the same way every time. The US Environmental Protection Agency's guidance on writing SOPs lists what a full one holds: title and purpose, scope, responsibilities, the step-by-step procedure, safety warnings, equipment and materials, quality checks, related documents and a revision history. A small business can keep it to six parts: purpose, scope, owner, numbered steps, records, and a version with its date. The same guidance names four formats: a checklist, hierarchical numbered steps, a flowchart for procedures with decisions, and a combination of these. An SOP is not the same as a work instruction. The SOP describes how a whole routine runs, and a work instruction is the finer, single task instruction that sits under it. The simplest test of any SOP: give it to someone who has never done the task and watch where they get stuck. Once it runs, one KPI, such as how often the task comes back for a fix, shows whether the procedure holds.

Why it matters

As Alexander Slutsker puts it, an SOP made the right way multiplies quality, because people follow the same steps and get the same result. That is what makes delegation safe: the work gets done correctly without the owner standing over it, which is how an owner gets time back. In regulated sectors, such as food production or medical laboratories, written procedures can also be a requirement of the regulator.

Directly related: Business Process, Process Map, Poka-Yoke.

Improvement tips

  • Write each step as one action with a clear verb, and add a screenshot or a short video where a software tool is involved.
  • Put the purpose, the owner and the date of the last update at the top, so everyone knows who keeps the SOP current.
  • Pick the format that fits the task: a checklist for short routines, numbered steps for longer ones, a flowchart when the procedure holds decisions.
  • Store all procedures in a central, easily accessible digital location for the team.
  • Test a new procedure by having an employee who is unfamiliar with the task try to complete it using only the document.

Common mistakes

  • Leaving procedures outdated after updating the software or tools used for the task.
  • Creating procedures without input from the employees who actually perform the daily work.
  • Writing an SOP for a process that is still broken or still changes every week, which only freezes the problem in writing.

Related terms

OperationsBeginner

Business Process

A business process is a repeatable set of activities that turns inputs into a result a customer values, like a WhatsApp inquiry that ends in a paid invoice.

OperationsBeginner

Process Map

A process map is a diagram of the steps in a process, who does each one and where work passes between people. Mapping the current process first exposes delays.

OperationsBeginner

Poka-Yoke

Poka-yoke (Japanese for mistake-proofing) means designing a process so an error cannot happen or is flagged at once, like a SIM card that fits only one way.

OperationsBeginner

Kaizen

Kaizen is the Japanese approach of continuous improvement in small steps: everyone makes small changes, and each change that works becomes the new standard.

OperationsIntermediate

PDCA

PDCA (Plan, Do, Check, Act) is a four-step improvement cycle: plan a change with a prediction, try it, check the result, then adopt the change or drop it.

OperationsBeginner

5S

5S is a Japanese method for organizing a workplace in five steps: Sort, Set in order, Shine, Standardize and Sustain. It reduces waste and makes gaps visible.

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Quick check

What makes a Standard Operating Procedure (SOP) effective?

Choose an answer

Frequently asked questions

Do I need to write SOPs before I launch my new business?
You do not need to write detailed standard operating procedures before launching your business. During the startup phase, your business model and daily tasks will change rapidly as you find what works. Wait until your core activities are stable and repeatable before you begin documenting them as formal procedures.
When should a new founder start writing standard operating procedures?
A new founder should start writing procedures when preparing to hire their first employee or contractor. Having written instructions ready makes onboarding much faster and ensures the new hire completes tasks to your quality standards. Start by documenting the routine tasks that take up most of your administrative time.
How do I write a simple procedure for my future team?
Start with four lines at the top: the purpose, who owns the procedure, when it applies, and the date of the last update. Then break the task into numbered steps, one action with a clear verb in each, and add screenshots or short video clips where a software tool is involved. Keep it short enough that your team will actually open it.
Which tasks in my new business are not worth writing an SOP for?
Skip one-off tasks, tasks that still change every week, and judgment work where every case is different, such as negotiating a large deal. An SOP pays off on routine work that repeats often and has to come out the same way every time. Write it once the task has settled, not while you are still figuring it out.
Why do my employees keep asking me how to do tasks I have already explained?
Employees ask repetitive questions when a business lacks written standard operating procedures or when the existing guides are hard to find. Verbal instructions are easily forgotten, especially during busy workdays. Writing down the steps and saving them in a shared space allows your team to answer their own questions.
How do I update my written procedures when they are always falling out of date?
To keep your procedures current, assign the ownership of each document to the employee who performs that task daily. Have your team update the files whenever a software tool changes or a step is improved. Reviewing the documents during regular team updates prevents them from becoming obsolete.
How do I test if my new procedure is actually clear and useful?
You can test a new procedure by asking an employee who is completely unfamiliar with the task to complete it using only the written document. Do not give them verbal hints and observe where they get stuck or make mistakes. Use their feedback to clarify the confusing parts of the document.
How do I avoid writing procedures that are too long and boring for my team?
Avoid writing long, academic documents by focusing only on the specific steps required to complete the task. Use numbered steps, bold text for key terms, and visual aids like screenshots or video links instead of long descriptions. For a short routine, a one page checklist is usually easier to use than a lengthy manual.
What does SOP stand for and what does it actually mean?
SOP stands for Standard Operating Procedure, which is just a step-by-step guide showing how to perform a routine business task. Think of it as a recipe that explains exactly how to get a consistent result every time you cook. It exists to help anyone complete a task correctly without needing constant help.
Is writing an SOP a difficult task that requires special writing skills?
Writing a procedure is not difficult and does not require professional writing skills. You simply need to write down the steps of a task in the order you perform them, using plain language. If you can explain to a friend how to check an email or print a document, you can write an SOP.
Do I need a lawyer or consultant to write my business procedures?
You can start alone, because the people who do the work every day know its details best. A consultant helps when the process itself is still messy and needs fixing before it is written down, or when nobody on the team has time to map it, which is the work of the Mobius operations consulting service. In regulated sectors, such as food production or medical laboratories, written procedures can be a requirement of the regulator, so check with the regulator for your field.
What is the difference between an SOP, a policy, a work instruction, a checklist and a process map?
A policy says what the business does and why. An SOP says how a routine is done, step by step, and a work instruction says how to do one single task inside it. A checklist is the short form of a procedure, and a process map is the picture of the whole flow, showing who does what and where work passes between people.

Sources: US EPA, Guidance for Preparing Standard Operating Procedures (EPA QA/G-6), 2007, Israel, Public Health Regulations (Food) (Good Manufacturing Conditions), 1993, Israel Laboratory Accreditation Authority (ISRAC), ISO 15189 accreditation of medical laboratories

Last reviewed: 2026-09-23

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