The ROI of AI: How to Calculate It for Your Sector

Bylaeka

“How much will it cost me to implement AI?” asks a general manager. “And with economies of scale, what will my ROI be in 12 months?”

That’s the real question. And the answer depends entirely on your sector, your costs, and your use case. Today, we share a framework for calculating AI ROI for any type of Quebec SMB.

Understanding AI ROI

ROI (return on investment) measures how much money you save or earn, relative to what you invest.

Simple formula:

ROI = (Gains – Costs) / Costs × 100%

For AI, gains typically come from three sources:

  1. Time saved: Fewer staff needed for the same task
  2. Improved quality: Fewer errors, more satisfied clients
  3. Additional revenue: Serving more clients, or at a higher price

And costs include: software, infrastructure, technical salaries, training, integration.

Example 1: A Dental Clinic in Trois-Rivières

The challenge: 25% of patients don’t show up (no-show). Each missed appointment = $150 in lost revenue. 30 appointments/week = $1,500/week in losses.

The AI solution: A chatbot that automatically reminds patients 24 hours before. Cost: $500/month (SaaS).

ROI calculation:

  • No-show reduction: 25% → 15% (10 percentage point reduction)
  • No-shows avoided per week: 3 appointments × $150 = $450/week
  • Annual savings: $450 × 52 weeks = $23,400/year
  • Annual costs: $500/month × 12 = $6,000/year
  • Net gain: $23,400 – $6,000 = $17,400/year
  • ROI: ($17,400 / $6,000) × 100 = 290%

Return on investment in less than 2 months. Then pure profit.

Example 2: An Accounting Firm in Montreal

The challenge: Client invoice entry takes 30 hours/week for one person. Salary: $50,000/year = $24/hour. Cost = 30h × $24 = $720/week.

The AI solution: An AI extractor + OCR that automates 80% of invoices. Cost: $2,000/month (SaaS + integration).

ROI calculation:

  • Time saved: 30h × 80% = 24h/week
  • Value of time saved: 24h × $24/h = $576/week
  • Annual savings: $576 × 52 = $29,952/year
  • Annual costs: $2,000/month × 12 = $24,000/year
  • Net gain: $29,952 – $24,000 = $5,952/year
  • ROI: ($5,952 / $24,000) × 100 = 24.8%

Return on investment in ~5 months. Not as fast as the clinic, but solid. And the employee can now do higher-value work (client advising, reports).

Example 3: A Manufacturing SMB in the Eastern Townships

The challenge: Preventive maintenance costs $100,000/year. Emergency maintenance (breakdowns) costs $50,000/year in repairs and downtime.

The AI solution: Sensor-based predictive maintenance. Cost: $5,000/month for sensors, infrastructure, and support.

ROI calculation:

  • Breakdown reduction of 40%: $50,000 × 40% = $20,000/year saved
  • Preventive maintenance reduction of 25%: $100,000 × 25% = $25,000/year saved
  • Total saved: $45,000/year
  • Annual costs: $5,000/month × 12 = $60,000/year
  • Net gain (year 1): $45,000 – $60,000 = -$15,000
  • ROI (year 1): (-$15,000 / $60,000) × 100 = -25%

First year negative. BUT, year 2 and beyond? Infrastructure costs drop (no new installation), and AI keeps delivering gains. Year 2 ROI: +75%.

It’s a long-term investment, not a quick win. But profitable.

How to Calculate Yours

Step 1: Identify your key metric (time saved, errors reduced, revenue increased)

Step 2: Quantify the current impact (how many hours, dollars, clients?)

Step 3: Estimate the realistic improvement with AI (30%, 50%, 80%?)

Step 4: Calculate the annual savings in dollars

Step 5: Add up all costs (software, infrastructure, support, training)

Step 6: Divide gains by costs, multiply by 100

Step 7: Divide total cost by monthly savings = payback period

Pitfalls to Avoid

Pitfall 1: Ignoring hidden costs. Integration, training, and support take time. Budget 20% more than you think.

Pitfall 2: Overestimating gains. AI rarely saves 100% of the time. Be conservative (30-60%, not 90%).

Pitfall 3: Forgetting indirect value. Less employee stress, better quality, happier clients = unquantified but real gains.

Pitfall 4: Not measuring continuously. Your ROI varies each month. Track it. If it’s negative after 6 months, pivot.

The Rule of Thumb

If your ROI is positive within 12 months, invest. If it’s between 12-24 months, evaluate your risk appetite. If it’s beyond 24 months, wait until you better understand your use case.

For 70% of Quebec SMBs, there exists an AI use case with positive ROI in less than 12 months. The question isn’t IF, but WHICH use case.

Ready to calculate the ROI for your business? We’ve helped 150+ SMBs do this calculation. We know the realistic numbers by sector.

Book your 30-minute discovery call → laeka.org/services/

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