In plain English
Business Process Automation (BPA) is the umbrella term for using software to handle business processes that humans currently do manually. It covers everything from simple Zapier-style integrations through RPA (robotic process automation, software that clicks through user interfaces like a human would) to modern AI agents.
The BPA category has evolved through several waves. First wave: workflow software (custom-built or off-the-shelf workflow tools). Second wave: RPA (UiPath, Blue Prism, Automation Anywhere), bots that mimic human clicks. Third wave, where we are now: AI-augmented automation, where LLMs handle the variable bits and traditional automation handles the deterministic bits.
The practical implication for SMEs: most of the processes worth automating involve some variability, different invoice formats, different customer enquiries, different document types. Pure RPA struggles with variability because it relies on the screen looking the same every time. AI handles variability natively but needs traditional automation around it for reliability. Modern BPA combines both.
What's worth automating: high-volume, repetitive work with clear inputs and outputs. What's not: bespoke creative work, complex customer-facing decisions, anything that requires real judgement. The best BPA implementations leave humans doing the judgement work and let software handle everything around it.
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