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BPMN (Business Process Model and Notation)

Also known as: Business Process Model and Notation, Business Process Modeling Notation

A standardised graphical notation for drawing business processes as flowcharts that both business and technical people can read.

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BPMN, short for Business Process Model and Notation, is a graphical standard for specifying business processes. [1] It was created by the Business Process Management Initiative (BPMI) in May 2004 and has been maintained by the Object Management Group (OMG) since the two organisations merged in 2005. [1] The current release is BPMN 2.0.2, published in January 2014, and the standard has also been ratified as ISO 19510. [1] BPMN uses a fixed vocabulary of shapes (events as circles, activities as rounded rectangles, gateways as diamonds, swim lanes for participants) so a process drawn in BPMN looks the same whether it was authored by a business analyst, a developer, or a quality manager. [1] [2] BPMN diagrams sit alongside SOPs and work instructions: the diagram shows the process structure, the SOPs and work instructions tell people how to execute each step. [3]

Key characteristics

  • Uses a fixed visual vocabulary: circles for events, rounded rectangles for activities, diamonds for gateways, lanes for roles. [1] [2]
  • Is an international standard (also ratified as ISO/IEC 19510), so diagrams are portable across tools. [1]
  • Shows process flow at a level of detail useful for analysis, automation, or audit. [3]
  • Pairs naturally with SOPs and work instructions, which describe the how.
  • Can be executed by some BPMS engines if drawn at the right level of formality. [1]

Example

Modelling a customer order process

A small distributor maps its order-to-shipment process in BPMN. The diagram has three swim lanes (Customer, Sales, Warehouse), starts with a 'Customer places order' event, runs through activities like 'Verify stock', has a gateway at 'Stock available?', and ends with 'Order shipped'. The diagram lives in the quality manual. The actual SOP for 'Verify stock' and the work instruction for 'Pick and pack' are linked from the boxes. An auditor can trace the whole process at a glance, then drill into each box to see how it is executed.

How SOPX handles this

BPMN diagrams describe process structure, not how to perform each step. The two pair well: a BPMN tool draws the high-level flow, SOPX captures the executable detail behind every box. When an auditor or new hire clicks into a 'Verify stock' activity, the linked SOPX procedure shows the actual steps, with video, screenshots, and the option to translate into 50+ languages. The diagram tells you what happens. The procedure tells you how.

Frequently asked questions

Is BPMN the same as a flowchart?
BPMN is a specific kind of flowchart with strict semantics, formally maintained by the OMG. [1] A regular flowchart uses shapes loosely, so two flowcharts of the same process can look very different. BPMN constrains shapes so that every diagram reads consistently and can be parsed by tools. [2] The trade-off is a small learning curve in exchange for a portable, interoperable diagram. [3]
What are the four categories of BPMN elements?
Wikipedia and the OMG specification organise BPMN's vocabulary into four categories. [1] First, flow objects: events (circles), activities (rounded rectangles), and gateways (diamonds), which describe what happens in the process. [1] [2] Second, connecting objects: sequence flows (solid lines), message flows (dotted lines), and associations, which link flow objects together. [1] [2] Third, swimlanes: pools represent the major participants, and lanes organise activities by role or function. [1] [2] Fourth, artifacts: data objects, groups, and annotations that add context without changing the flow. [1] Microsoft's Visio documentation often pulls data objects out as a fifth category in its own right. [3]
Do I need to use BPMN for ISO 9001?
No. ISO 9001 requires that processes be defined and controlled, but it does not specify a notation. BPMN is one popular way to draw processes, but flowcharts, swim-lane diagrams, and turtle diagrams are all acceptable. Auditors care that the diagram is current, owned, and reflected in how the work is actually done. The notation is a means, not the requirement.
When is BPMN overkill?
For a single workstation procedure, or any task that lives at the work-instruction level, BPMN adds overhead without value. BPMN earns its weight when a process spans multiple roles or systems and the team needs a shared visual language. For a single operator following a fixed sequence of actions, a structured SOP or work instruction is faster to build and easier to follow.
Can BPMN diagrams be executed automatically?
Some can. BPMN 2.0 introduced execution semantics that a BPMS (business process management system) engine can run, automating tasks and routing work between humans and software. [1] Most operations teams stop short of executable BPMN and use the notation purely as documentation. Both uses are valid and common.

Sources

Statements above draw on the references below. Numbers in the text link to the matching entry.

  1. [1]
    Business Process Model and Notation
    Wikipedia · Accessed 2026-04-28
  2. [2]
    What is BPMN?
    Visual Paradigm · Accessed 2026-04-28
  3. [3]
    Business Process Modeling Notation (BPMN)
    Microsoft · Accessed 2026-04-28

Related terms

Tags

documentation compliance iso leadership

Last reviewed: 2026-04-28

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