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Business process automation, explained step by step

What business process automation is, how to map a process before you automate it, which processes to pick first and where AI fits in.

Updated 7 min read

The short answer

Business process automation (BPA) is using software to run the steps of a business process with little or no manual work. You map the process, pick the repetitive parts, and let rules or AI move the work between your tools.

Key points

  • Map the process before you automate anything
  • Start with repetitive, rule-based work
  • Rules handle fixed steps; AI handles reading and writing
  • Fix a broken process first, then automate it
  • Measure hours saved before and after

Side by side

BPA, RPA and workflow automation

They overlap, but they are not the same thing.

CriterionWhat it coversTypical use
Business process automationThe whole process, end to endOrder to invoice, request to approval
Workflow automationMoving work between steps and systemsRouting, alerts, record updates
RPASoftware bots working through screensData entry, reconciliation, reporting

What business process automation is

A business process is a repeatable chain of steps that turns an input into a result: an order becomes an invoice, a request becomes an approval.

Researchers describe business process automation as automation of work done between people and computers. It has many forms, and RPA is only one of them.

Start with business process mapping

Process mapping means drawing how work moves today: who does each step, in which tool, and where it waits. You cannot automate what you have not drawn.

Most teams discover handoffs and rework nobody knew about. That is where the time leaks.

  • Pick one process and name its start and end
  • List every step, tool and person involved
  • Note delays, rework and exceptions
  • Mark which steps are manual and repeated
  • Add the hours each step takes per week

BPMN, the standard way to draw processes

The Object Management Group says BPMN has become the de-facto standard for business process diagrams.

It uses an easy flowchart-like notation, and it is meant for the stakeholders who design and manage processes. It is also precise enough to be translated into software process components.

For a first map, a simple flowchart is fine. Move to BPMN when several teams need to share one diagram.

Process mapping levels and best practices

Map at three levels. A high-level view shows the whole process in a few boxes. A detailed view shows every step and handoff. A task view shows exactly what one person clicks and types.

Automation work usually needs the detailed view.

  • Map the process as it really runs, not as the manual says
  • Ask the people who do the work, not only their managers
  • Keep each map to one process, start to finish
  • Record exceptions, because they decide what can be automated
  • Review the map with the team before building

Which processes to automate first

Research on RPA suggests the process should be standardised, run in a stable environment and need limited exception handling.

Rank candidates by hours per week times hourly cost, then start with the top one.

  • Data entry from emails, PDFs and forms
  • Invoice processing and reconciliation
  • Lead follow-up and appointment booking
  • Recurring reports built from several tools
  • Back office tasks like order entry and status updates

BPA, RPA and workflow automation

The terms overlap. Business process automation is the broad goal. Workflow automation moves work between steps and systems. RPA is one tool for it.

The U.S. General Services Administration lists common RPA uses as data entry, data reconciliation, spreadsheet manipulation, systems integration and automated reporting.

Where AI fits into process automation

Rules work when inputs look the same every time. They break when an invoice layout changes or a request arrives in free text.

AI handles those steps: reading documents, sorting requests and drafting replies. The U.S. Census Bureau found AI use among firms was low but rising, about 5.4% by February 2024.

Many users applied it to tasks workers used to do, and few reported cutting jobs.

Benefits, limits and common mistakes

The main gains are hours back, fewer manual errors and faster turnaround. The U.S. federal RPA community reported 1,001 automations in production and 1,499,105 hours of capacity created, counting potential automations too.

Michael Hammer warned in Harvard Business Review not to pave the cow paths: redesign a bad process instead of embedding it in software.

  • Automating a broken process instead of fixing it first
  • Skipping the map and guessing where time goes
  • Picking the hardest process before the most valuable
  • Launching without testing exceptions end to end
  • Skipping measurement of the result

How to start

Pick one process, map it, and put a dollar figure on its manual hours. Fix what is broken, then automate the repetitive steps on the tools you already use.

Test it end to end, measure the hours saved, and use that result to choose the next process. If you want help ranking your processes, a free 30-minute AI diagnosis gives you a plan.

FAQ

Business process automation questions

  • Business process automation is using software to run the steps of a business process with little manual work. A trigger starts it, rules or AI move the work along, and the result lands in the right system.
  • Repetitive, rule-based work is the best fit: data entry, invoice processing, lead follow-up, scheduling and recurring reports. Processes with stable inputs and few exceptions automate most easily.
  • AI handles steps that rules cannot, like reading documents, sorting requests and drafting replies. It also helps surface where work stalls, so you know which step to fix or automate first.
  • Yes. A map shows who does what, where work waits and which steps repeat. Without it, you may automate the wrong step or lock in a process that needs fixing.
  • BPA is the goal of automating a whole process. RPA is one tool for it, using bots that work through screens. Many processes also need direct system connections or AI.
  • Not quite. Office automation usually means automating single office tasks, like documents, email and scheduling. Business process automation looks at the whole process across tools and automates the handoffs between its steps.
  • A first system is usually live in 14 to 21 days, and a full system takes 6 to 8 weeks. The roadmap that ranks what to automate takes 1 to 2 weeks.
  • Census Bureau research found that few firms using AI reported reducing employment because of it. Most used it to handle routine tasks, leaving people the exceptions and decisions.

Final step

Pick a time. Let's talk.

You leave knowing which processes to automate first and what each one costs you today, whether we work together or not.

You can keep paying for manual work, or find out this week exactly what it costs you.

What happens on the call

  1. Before

    You answer 3 quick questions when you book, so we come prepared.

  2. On the call

    We find the manual work that costs you most and put a number on it, live.

  3. Decide

    An honest read on whether we're the right fit. If we're not, you'll hear it on the call.

Once you book, we look at your site and tools before the call, so the 30 minutes go to your numbers, not introductions.

Prefer to write first? Email us directly: contact@nexumautomations.com

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