BPO pricing models explained: hourly, seat, per task

Key takeaways

The main BPO pricing models are per hour, per full-time seat (FTE), per transaction and outcome-based. Choose by how predictable your volume is: seats and hours for unpredictable front-office work, per transaction for stable back-office volumes, and outcome-based only when the outcome is easy to measure and mostly in the provider's control.

• Per hour: flexible, good for part-time or variable cover.
• Per seat (FTE): a dedicated person or team for a monthly fee; predictable cost.
• Per transaction: pay per call, email, invoice or record; best once volumes are stable.
• Outcome-based: paid on results; rare for SMEs and harder to agree fairly.
• Check minimum terms, minimum volumes and what happens above forecast.

What are the main BPO pricing models?

BPO pricing models are the ways a business process outsourcing provider charges for its service. The four common models are time-based (per hour), capacity-based (per full-time-equivalent seat), volume-based (per transaction) and results-based (per outcome). Many contracts combine two, such as a seat fee plus a per-transaction charge above a threshold.

The model shapes behaviour. Pay per hour and you pay for time; pay per transaction and you pay for throughput; pay per outcome and the provider focuses on results. Choose the one whose incentives match what you care about.

• What is BPO and how can it help UK businesses?
• BPO cost per hour in the UK

When does per-hour pricing make sense?

Per-hour pricing makes sense for part-time cover, variable workloads and early engagements where volumes are not yet known. You pay for the hours worked, often with a minimum monthly block. As indicative market ranges, managed offshore hours cost around £9–£18 and onshore UK hours around £20–£35.

The risk is paying for idle time if volumes are low, and the provider having little incentive to work faster. Mitigate with a scorecard that includes throughput.

When does per-seat (FTE) pricing make sense?

Per-seat pricing gives you a dedicated person or team for a fixed monthly fee. It suits steady, full-time workloads such as a support desk covering trading hours, and it is the easiest model to budget. A full-time equivalent (FTE) seat usually means one trained person's working hours, with cover provided when they are away.

The risk is paying for capacity you do not use in quiet periods. Ask whether seats can be flexed monthly.

• Seasonal and peak customer service cover

When does per-transaction pricing make sense?

Per-transaction pricing charges a fixed amount per unit of work: per call, email, invoice, order or record. It suits back-office work with stable, measurable volumes, and it ties cost directly to output. It is also common for message-taking call services.

The risk is quality: a provider paid per unit has an incentive to go fast. Pair it with accuracy targets and sampling. Also agree what counts as one transaction; a customer email thread with five replies might be one or five.

• Data entry outsourcing for UK businesses
• Quality assurance for outsourced teams

Does outcome-based pricing work for SMEs?

Outcome-based pricing pays the provider for results, such as appointments booked, debts collected or sales made. It sounds attractive but is hard to agree fairly, because outcomes depend on things outside the provider's control, such as your prices, stock and diary availability.

It works best for narrow tasks with clear attribution, such as appointment setting with a qualified definition. For most SME support and admin work, a seat or hourly fee with outcome measures on the scorecard is simpler and fairer.

How do you compare quotes on different models?

Convert every quote into cost per task and cost per month at your expected volume, then at 30% above and below it. That shows which model is cheapest in normal months and which protects you when volumes swing.

Compare against your in-house cost too. A UK employee on the April 2026 National Living Wage costs about £16.27 per worked hour after employer National Insurance, pension and holiday, before overheads.

• Work out the ROI of outsourcing
• The true cost of an employee in the UK

What pricing traps should you check?

Most surprises sit in the terms rather than the rate. Check each of these before signing.

• Minimum term: months you must pay for even if you leave.
• Minimum seats or volumes: charges if you fall below them.
• Overage: price per unit above the forecast.
• Premiums: evenings, weekends and bank holidays.
• Setup and exit fees.
• Annual price increases and how they are calculated.

• BPO contract terms to check before signing
• The hidden costs of outsourcing

What does this look like in practice?

At Global Bridge Labs (GBL), engagements are scoped and costed on one page before you commit, on a rolling monthly fee with 30-day terms, so you can scale up or down monthly. That is a deliberate choice: short terms keep the provider focused on earning the next month.

• See client work
• BPO Solutions for UK businesses

Checklist: choose a pricing model

Work through these for each process.

• Measure volume by week for the last three months.
• Note how much it swings between quiet and busy weeks.
• Decide whether you need dedicated people or flexible capacity.
• Choose seat, hourly or per-transaction pricing to match.
• Add quality and throughput measures whichever model you choose.
• Model cost at expected, low and high volume.

Next step

Tell us your volumes and how they swing, and we will recommend a pricing model and give you a costed plan. 30 minutes, no pitch.