Template

Standard operating procedure (SOP) template

A controlled-document skeleton for procedures: who does what, in what order, and what record each step leaves.

Weak SOPs share a family resemblance: written for the auditor instead of the person doing the work, steps that bundle three actions into one, and a revision history that says 'general update'. This template gives a procedure its controlled shape: a document-control header, purpose and scope stated tightly, responsibilities by role, a procedure table where every step names who performs it and what record it leaves, and a revision history that explains why the document changed.

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SOP template — the Excel workbook you download, showing the worked equipment-cleaning example

What the template covers

Seven sections, top to bottom: the same shape a controlled procedure has carried for decades. The How to use tab covers what an SOP is and is not, the document-control context, and the failure modes that show up in audit: auditor-facing prose, happy-path-only steps, responsibilities assigned to departments, 'general update' revision notes. The SOP Template tab is the skeleton. The Worked Example tab completes it as an equipment-cleaning SOP for a generic manufacturing line — seeing one filled in settles the level-of-detail question faster than any instruction could.

  • Document header — title, ID, version, effective date, owner, prepared by, approver, supersedes
  • Purpose and scope — including an explicit out-of-scope row, plus a safety-and-precautions row
  • Definitions, abbreviations, and responsibilities by role (not department)
  • Procedure table — one action per row, each with the role that performs it and the record it leaves
  • References, a records-and-retention pointer, and a revision history that records what changed and why

An SOP is not a work instruction

An SOP describes a process at the level of who does what, when, and in what order. When a single task inside that process needs hands-on-the-equipment detail — which button, which setting, which direction — that detail belongs in a work instruction the SOP references, not in the SOP itself. Keeping the two levels separate is what keeps the SOP readable and the work instruction usable at the workstation.

The other discipline the template enforces is one process per SOP. If the scope sentence needs 'and' more than once, it is probably two procedures — and two procedures that share a document also share every future revision, review, and retraining decision.

Where this fits in document control

An SOP is a controlled document: it carries a unique ID and version, it is approved before use, the current version is the one available at the point of use, and superseded versions are withdrawn. Revisions go through change control — our change control form template covers that decision trail — and the revision history in this template records what changed and why, because that is the first thing reviewers and auditors read.

Quality system standards expect documented procedures — ISO 13485:2016 clause 4.2 (documentation requirements) covers the documents a quality management system must include and how they are controlled — but no standard mandates a specific SOP format. What they require is that procedures are documented, controlled, and available where the work is done. Adapt this structure to your own document control procedure and have QA approve the adapted version. An inspector starts at the header — current version, approver, match at the workstation — then picks a step and asks to see the record it leaves.

Frequently asked questions

What is the difference between an SOP and a work instruction?

Altitude. An SOP describes a process — who does what, when, and in what order. A work instruction describes one task from that process — how, step by step, at the level of hands on the equipment. If the reader needs to know which button or which setting, that detail belongs in a work instruction the SOP references. Keeping the levels separate keeps the SOP readable and the work instruction usable at the workstation.

Do regulators require a specific SOP format?

No. ISO 13485:2016 clause 4.2 (documentation requirements) requires documented, controlled procedures, and GMP regulations expect the same — but none of them mandates a format. What matters is that the procedure is documented, approved before use, current at the point of use, and revised under control. The format in this template is a widely used convention, not a requirement; adapt it to your own document control procedure.

How detailed should an SOP be?

Detailed enough that a trained person can follow the process without tribal knowledge — and no further. Keystroke-level or hands-on-the-equipment detail belongs in work instructions the SOP references. A practical test: hand the draft to a trained person who has not done the process recently. Every place they hesitate or have to ask is a step that needs rewriting — and every paragraph they skip is one that probably belongs somewhere else.

Bring one of your SOPs

We take one procedure you already use and walk the header, the role column, and the records each step leaves — the three places reviewers start.