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To decide which business accounts deserve expansion, compare what remains after serving them—not just their invoice totals. Track the work created by orders, changes and follow-ups, add direct fulfilment expenses, and compare similar accounts. The result should be a map of service terms to redesign, not a list of customers to dismiss.
This matters to distributors, service businesses and B2B suppliers in Qatar and the Gulf. Two customers can generate identical revenue while consuming very different amounts of operational capacity. Sales reports conceal that difference unless transactions are connected to the work they cause.
Define the measure before collecting minutes
Choose a complete month and accounts with comparable products and margins. Keep three measures separate: product margin after goods costs, contribution after account-specific direct expenses, and the remainder after charging for operational capacity used. The last figure is not net profit: shared expenses may remain outside the model.
In Harvard’s explanation of time-driven activity-based costing, Robert Kaplan describes using a capacity cost rate and the resources consumed by a transaction. Apply that principle to service minutes instead of allocating every company expense in proportion to revenue.
Build a small, auditable activity log
Record the account, order, activity, active handling time, frequency, direct expense and reason for any exception. Start with order entry, amendments and operational follow-up, including collection administration. Do not count time waiting for a reply as staff work, or record the same activity twice across teams.
Estimate minutes from actual transactions across different days and employees, then investigate unusual values with the team. Tag internal mistakes separately: your own rework is not evidence of a difficult customer. Unlike improving basket value while protecting contribution, this analysis follows the resources consumed across an account’s recurring orders.
Worked example: equal revenue, different results
Hypothetically, a service team costs QAR 24,000 monthly and provides 12,000 practical working minutes after necessary breaks and meetings. Capacity costs QAR 2 per minute. These are teaching assumptions, not company results or market benchmarks.
| Item | Account A | Account B |
|---|---|---|
| Revenue | QAR 30,000 | QAR 30,000 |
| Goods cost | QAR 21,000 | QAR 21,000 |
| Orders × processing minutes | 20 × 10 = 200 | 60 × 15 = 900 |
| Amendments × minutes | 5 × 12 = 60 | 30 × 12 = 360 |
| Follow-up minutes | 100 | 240 |
| Total service-time cost | 360 × 2 = QAR 720 | 1,500 × 2 = QAR 3,000 |
| Deliveries × direct cost | 10 × 40 = QAR 400 | 30 × 40 = QAR 1,200 |
| Remainder after listed costs | QAR 7,880 | QAR 4,800 |
The gap is QAR 3,080 despite identical revenue and goods margin. Delivery expenses are assumed separate from service-team costs, with no other direct expenses. Add returns, commissions and other relevant costs in your own model. Remove overlaps if delivery charges include staff already covered by the minute rate.
Change the service terms before the relationship
Discuss two weekly order-consolidation windows, an amendment deadline and a defined urgent-order route with Account B. Respect existing agreements. Use distinct commercial offers to connect price with service levels rather than applying a general discount.
If Account B’s handling falls to 900 minutes and deliveries to 20, listed service costs become QAR 1,800 + 800 = 2,600. The remainder rises to QAR 6,400. The QAR 1,600 improvement is not all cash savings: QAR 1,200 represents released staff capacity and QAR 400 lower delivery expenditure under these assumptions. Time becomes financial value only through changed spending or additional profitable work.
Validate the model before charging the customer
Test the result’s sensitivity before making a decision. Recalculate once with 10% less practical capacity and once with delivery costs 15% higher, then see whether the account ranking survives. If a small assumption change reverses the ranking, the evidence is too weak to support a contract change. Compare the account with customers in the same segment: small orders may be normal for that market rather than removable exceptions.
Separate four cost causes: a contracted service promise, customer behaviour, internal error, or service that protects retention. They require different actions. Contract terms need a commercial option; internal rework needs process repair; retention-supporting service may be a deliberate investment. Assign an owner and a remeasurement date to each cause. The article on clear decision ownership explains why more meetings do not replace one accountable owner.
Run a one-month decision test
Pilot with two accounts and establish a service baseline. Track minutes per order, amendment rate, on-time delivery, complaints and the account-level remainder. Report unused team capacity separately; do not hide it by increasing customer minute rates when demand falls.
- Select two comparable accounts and a complete baseline period.
- Record activities, minutes and direct costs without duplication.
- Change only one service term for one month.
- Recalculate margin and review service reliability and complaints.
- Scale the change only when the result improves without weakening the customer experience.
Stop expansion if better calculated margins come with late deliveries or lost profitable orders. New accounts may require temporary onboarding work; seasonal accounts need representative comparison periods. First remove the cause of exceptions, then measure again, then decide whether to expand or reprice the scope. One unusual month is insufficient evidence for a permanent customer decision.
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