Business software · 6 min read
The automation ROI sum most businesses get wrong
A straightforward, honest way to calculate automation ROI, with a worked example you can copy.
The short answer
Automation ROI is the value an automation saves or earns, divided by its total cost over the same period. To calculate it honestly, measure the time and errors a task currently costs, price the build and ongoing running costs, and compare over a full year rather than just the first month.
By Raja Wahab, Co-founder, Fixby Studios · Published · Updated · 6 min read
Why automation ROI calculations are often wrong
A common mistake is counting only the time saved on the task itself, while ignoring the cost of building, maintaining and occasionally fixing the automation. Another is assuming 100% of saved time converts directly into cost savings, when in reality staff often use it for other work rather than being 'freed up' in a measurable way.
A simple automation ROI formula
ROI = (value saved or gained − total cost) ÷ total cost, usually expressed as a percentage over a set period such as a year.
What to include on each side
| Value side | Cost side |
|---|---|
| Staff hours saved × hourly cost | Build or subscription cost |
| Fewer errors and rework | Hosting and maintenance |
| Faster customer response (if it wins work) | Staff time to set up and learn the new process |
| Reduced overtime or temp staff | Occasional support or fixes |
“Measure the current process before automating, so you have a real baseline.”
A worked example
Say a manual invoicing task takes a staff member 5 hours a week at an effective cost of £15/hour: roughly £3,900 a year. An automation costing £1,500 to build plus £300 a year to run reduces that task to 1 hour a week (£780/year in staff time). Savings: £3,120 minus £300 ongoing = £2,820 in year one, against a £1,800 total cost. That's a positive ROI, but only because the time saved is real and measurable, not a round estimate.
This is an illustrative example, not a guaranteed outcome for your business; always use your own figures.
When automation ROI is hard to prove
If the task is infrequent, low-volume, or constantly changing, automation can cost more to build and maintain than it ever saves. In that case, a simple checklist or template improvement is often the better first step.
Reviewing automation ROI after launch
Calculate automation ROI again three to six months after launch, using actual recorded time rather than the original estimate. Staff often find extra friction that wasn't obvious during planning, or discover the saving is bigger than expected once everyone is used to the new process.
Treat the first calculation as a planning estimate and the follow-up as the real answer. Only the second one should guide whether to automate the next process.
What to do if something goes wrong post-launch
Keep your old system accessible (even read-only) for a defined period after go-live, typically a few weeks to a few months. This gives you a safety net to check a disputed record without needing to restore a backup under pressure.
Agree this retention period and who can access the old system before switching off access entirely.
Sources
Your questions
- What is a good automation ROI?
- There's no universal figure. What matters is that the measured savings genuinely exceed the full cost, including maintenance, over a realistic period such as a year.
- How do I measure automation ROI before building anything?
- Time the current manual process over a typical week, multiply by staff cost, and compare against a realistic quote for building and running the automation.
- Does automation ROI include staff time saved?
- Yes, but only if that time is genuinely redirected to other valuable work or reduces the need for overtime or extra hires. Otherwise it's a soft benefit, not a hard saving.
- Why do automation projects sometimes fail to pay back?
- Often because the task was too infrequent or kept changing, so maintenance costs outweighed the time saved. Check task volume and stability before building.
Raja Wahab is co-founder of Fixby Studios, a Huddersfield studio building websites, SEO, social media and business software for small, owner-managed businesses across West Yorkshire.
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