Procurement Service Models Compared
Procurement models are often compared badly. Businesses end up weighing headcount against savings, or a single category solution against a broader overhead review, without comparing like with like.
The Procurement Group vs in-house procurement teams
An in-house procurement team can work well in the right business. But many mid-market firms do not have the scale, time or category depth to build a broad indirect spend function that keeps testing the market and driving action.
Comparison of The Procurement Group and in-house procurement teams across common decision criteria.
Decision area
The Procurement Group
In-house procurement team
Cost model
Usually easier to justify because cost is more closely tied to delivered outcomes and savings.
Fixed salary cost, management overhead and systems cost, whether savings are delivered or not.
Breadth of coverage
Broad indirect spend coverage across multiple overhead categories and supplier markets.
Often limited by team size, internal bandwidth and category knowledge.
Speed to action
Can usually move quickly because supplier routes, working methods and market knowledge are already in place.
Can be slower if capability, benchmarking and supplier intelligence are being built from scratch.
Commercial challenge
Brings an external view and will challenge incumbent suppliers, contract drift and internal habits.
Can be constrained by existing relationships, internal politics or competing priorities.
Supplier leverage
Benefits from live market knowledge and regular supplier engagement across categories.
Depends on how often the market is tested and how much time the team can devote to it.
Implementation support
Supports analysis, supplier engagement, recommendation and transition into new arrangements.
Implementation usually has to be absorbed into the day job of internal staff.
Best fit
Businesses that want sharper supplier control, broader procurement coverage and execution support without building a larger internal function.
Businesses with enough scale, maturity and internal resource to run a broad programme themselves.
For many £10m to £100m turnover businesses, the issue is not whether procurement matters. It does. The issue is whether it makes sense to carry that capability in-house across utilities, telecoms, waste, merchant services and other overhead lines. That is where an external model often has the edge. It gives you broader market reach, independent challenge and practical delivery support without adding permanent headcount.
Category-based procurement vs full-service consultancy
A category specialist can be the right answer if one spend area is clearly the problem. But if savings are spread across multiple suppliers, contracts and overhead categories, a narrow model can miss too much.
Comparison of category-based procurement and full-service consultancy across common decision criteria.
Decision area
Category-based procurement
Full-service consultancy
Primary focus
Usually concentrated on one category or a small group of related spend areas.
Looks across a wider range of overheads, contracts, suppliers and savings opportunities.
Depth vs breadth
Can be deep in one market.
Usually broader, with a more joined-up view of total overhead spend.
Savings visibility
Strong where one category is clearly oversized or poorly managed.
Stronger where inefficiency is spread across several categories and contract points.
Risk of missed value
Higher risk of leaving savings untouched outside the chosen category.
Lower risk because the review is not limited to one category lens.
Client coordination burden
May require the client to manage several providers across different categories.
Can reduce management burden by bringing more analysis and coordination under one model.
Reporting view
Usually category-specific.
Usually broader, with a more commercial view of total overhead performance.
Best fit
Businesses with one obvious problem area and a clear single-category priority.
Businesses that want a broader review, better control and a more complete savings programme.
Which model suits which type of business?
If you already have a strong internal team with wide indirect spend capability, you may only need targeted support in selected categories. If you have one obvious cost issue, a category specialist may be enough. But if your overhead base is spread across multiple suppliers, contracts and locations, and nobody inside the business has the time to drive a joined-up programme, a broader outsourced model is usually the better commercial answer.
Get Started
Book your 17-minute overheads review
There is no single answer for every business. It depends on your scale, the shape of your spend, the strength of your current supplier arrangements and how much internal resource you can realistically commit.
If you want a practical view on where your business sits, Book a Review. (Vikas - please use same links as on homepage for this and be sure to get the QR code included)
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The Procurement Group
Est. 2003 · London, UK
The Overhead Advantage System and procurement management for UK mid-market businesses since 2003.
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