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Funding Your Own Function: The Investment Case Nobody Writes
CPO Path #26 CW 38 2026
EXECUTIVE PREMISE
Procurement routinely asks suppliers and internal stakeholders to quantify value, challenge assumptions and justify expenditure. Its own budget is often treated differently: additional headcount is framed as workload relief, technology as modernisation, and training as capability development.
A more useful leadership perspective is to treat the function itself as an allocation of enterprise capital: what additional return, coverage or decision quality does the next euro invested in procurement buy?
WHY THIS MATTERS
The timing is particularly relevant. Hackett's 2026 Procurement Key Issues research describes an 8% increase in procurement workload while headcount and operating budgets decline. ([The Hackett Group], 2026a)
That creates a different problem from simple cost control. If capacity is constrained while expectations rise, the budget discussion becomes a choice between work that remains uncovered, work that can be automated, and work for which additional human capacity produces sufficient value.
For an ambitious procurement leader, making that trade-off legible to Finance is increasingly part of running the function.
THE REAL DYNAMIC
The common argument is operational:
The team is overloaded.
The more executive argument is economic:
Here is what the function costs today, what it returns, where capacity is constrained, and what the proposed investment changes.
Current benchmarking supports that distinction. Hackett reports that its 2025 Digital World Class procurement organisations delivered 2.6 times the ROI of peers while operating with 31% fewer FTEs and at 19% lower cost as a percentage of spend. Those organisations also spent 1.8 times more on procurement technology. ([The Hackett Group], 2025)
That combination is more interesting than any single efficiency benchmark. The higher-performing functions in Hackett's dataset are not simply spending less. They are allocating differently.
Deloitte's 2025 Global CPO Survey points in a similar direction. Respondents reported allocating approximately 20% of procurement budgets to technology, nearly twice the relative investment reported in 2023. Deloitte's Digital Masters achieved an average 2.8x return on GenAI investment, against 1.6x among Followers. ([Deloitte], 2025)
Neither figure should become a target simply because it is externally benchmarked. For a CFO, the defensible question is not whether procurement spends 15%, 20% or 25% of its budget on technology. It is what an incremental investment changes economically.
Hackett's 2026 AI World Class research estimates up to 3.7x greater procurement ROI, up to 3x greater savings impact and up to 55% more strategic procurement capacity for its modelled AI World Class organisations; its purchase-to-pay modelling indicates potential process-cost reductions of up to 80%. ([The Hackett Group], 2026b) Those are explicitly presented as benchmarks and modelled future-state performance, not median outcomes available to every function. They belong in a business case as an upper-bound reference, and nowhere near the assumption line.
The objection Finance raises first. All of this presumes the CFO accepts procurement's stated return. Frequently they do not. Where savings are reported by procurement and never validated in a budget, the investment case is being argued from a number the counterparty disputes — and no amount of benchmarking repairs that. The precondition for the conversation below is an agreed definition of delivered value, signed off with Finance, ideally before the request is made. A leader without that should spend this budget cycle establishing it rather than asking for headcount against it.
WHAT STRONG LEADERS DO DIFFERENTLY
A one-page function investment case can remain unusually simple:
Current function cost → current return → incremental investment → capacity or coverage purchased → decision improved → reversibility.
Consider a headcount request.
"Procurement needs another category manager" describes an organisational need.
"€140,000 of fully loaded annual cost extends procurement coverage to €X million of previously unmanaged spend, creates ownership for two categories currently handled transactionally, and will be reviewed after 12 months against agreed financial and risk outcomes" gives Finance an investment proposition.
The same logic applies to technology. The relevant case is not that AI or orchestration is strategically important. It is which work disappears, which capacity is released, and which decisions become better.
The last item in the chain carries more weight than it looks. Reversibility — a named review date, an agreed exit, a pilot that can be stopped — is what allows a CFO to say yes under uncertainty. An irreversible request must clear a far higher bar than a reversible one of the same size, and most procurement requests are more reversible than they are made to sound.
A robust case also separates internal economics from external context. The internal evidence carries the decision: procurement cost relative to managed spend, managed spend per FTE, spend coverage, delivered financial value, capacity allocation, and technology share of the function budget. External benchmarks then serve as challenge points rather than borrowed justification.
The conversation with Finance changes subtly. Procurement is no longer asking to be protected from workload. It is showing where another euro produces the strongest return — and where it does not.
CPO PATH DIAGNOSTIC
Question | Fully true | Partly true | Not true |
|---|---|---|---|
Can I state what the procurement function costs relative to the spend it manages? | ☐ | ☐ | ☐ |
Can I explain the financial return generated by that cost base, in numbers Finance accepts? | ☐ | ☐ | ☐ |
Does each resource request state exactly what capacity or coverage it buys? | ☐ | ☐ | ☐ |
Can Finance see which business decision improves because of the investment? | ☐ | ☐ | ☐ |
Do I use external benchmarks as context rather than as substitutes for internal economics? | ☐ | ☐ | ☐ |
ONE-LINE VERDICT
The strongest procurement budget case does not defend the cost of the function; it explains the return on the next euro invested in it.
QUICK WINS THIS WEEK
Write down what your function costs as a percentage of the spend it manages. If you cannot produce the number this week, that is the finding — and it is the number Finance already has.
Take your next resource request and add one sentence naming what capacity or coverage it buys. Not what the person will do; what becomes covered that is uncovered today.
Ask your CFO's team which of your reported savings figures they would defend in a budget review. The gap between your number and theirs is the real starting point.
Add a review date and an exit to one request that currently has neither, and watch how the conversation about it changes.
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Pascal
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SOURCES
Deloitte. (2025). 2025 Global Chief Procurement Officer Survey: Agents of change — Procurement's big bet on digital. Retrieved from https://www.deloitte.com/us/en/services/consulting/articles/2025-global-chief-procurement-officer-survey.html
The Hackett Group. (2025). Digital World Class® procurement teams achieve 2.6X higher ROI. Retrieved from https://www.thehackettgroup.com/the-hackett-group-digital-world-class-procurement-teams-achieve-2-6x-higher-roi/
The Hackett Group. (2026a). 2026 procurement key issues: The agentic enterprise — AI's real progress in procurement. Retrieved from https://www.thehackettgroup.com/insights/2026-procurement-key-issues-2601/
The Hackett Group. (2026b). The Hackett Group® establishes AI World Class procurement benchmarks. Retrieved from https://www.thehackettgroup.com/the-hackett-group-establishes-ai-world-class-procurement-benchmarks/
Thank you for your time and trust,
Pascal Hecker | Editor-In-Chief, CPO Path.