The shift from ad-hoc buying to strategic sourcing
Ad-hoc buying is fine when volumes are low and suppliers are known. You call the person you used last time, get a price, and move on. The problems creep in quietly: prices drift, lead times slip, one supplier holds you hostage, and no one has time to shop the market.
Strategic sourcing is the opposite. Every meaningful requirement is put in front of two or three vetted suppliers, quotes are compared on a like-for-like basis, and the order goes to whoever wins on price, lead time and reliability — not just who picked up the phone first. It's not complicated, but it takes time and headspace most SME owners don't have.
Five trigger points that mean it's time
1. You're spending more than a day a week sourcing
If a founder, engineer or ops lead is losing a day (or more) each week to quotes, chasing and PO admin, that's £15k–£40k a year of the wrong person's time.
2. You keep going back to the same one or two suppliers
Single-source suppliers usually mean you're overpaying and exposed. If you haven't market-tested a category in 12+ months, you almost certainly are.
3. Late deliveries are hitting your own jobs
Missed lead times on materials or components ripple straight into your project margins and customer relationships.
4. You're growing but can't justify a full-time buyer yet
A junior buyer costs £35k–£45k plus overhead. A senior procurement manager £60k–£80k. That's a big jump for a business that only needs a few days of sourcing a month.
5. A new project or contract needs vetted suppliers fast
One-off surges — a new build, a tender win, a product launch — are the classic case for outsourced procurement support.
Full-time buyer vs outsourced partner: the real numbers
The honest comparison isn't "outsourcing vs doing nothing" — it's "outsourcing vs hiring". Here's what the two options actually cost a typical UK SME.
| Option | Annual cost | Capacity |
|---|---|---|
| Junior in-house buyer | £40k–£55k loaded | Full-time, one person, learning on the job |
| Senior procurement manager | £70k–£95k loaded | Full-time, experienced, often over-spec'd for SMEs |
| Outsourced procurement partner | Pay per project or monthly retainer | A team on tap, only when you need it |
For most SMEs spending under £2m a year on external supply, an outsourced partner pays for itself on savings alone — typically 5–15% on sourced categories — without adding a permanent salary, NI, pension, holiday cover or management overhead.
When procurement outsourcing makes sense
It makes sense when at least two of the following are true:
- You spend £250k+ a year on materials, components or services
- Sourcing is being done by someone who should be doing something else
- You have no formal supplier list or approved-vendor process
- You're winning bigger jobs and need supply to keep up
- You've never benchmarked your top three suppliers on price
It probably doesn't make sense if you have a single recurring supplier, low volumes, and no growth plans — in that case the current setup is likely fine.
What working with Northstar looks like
We work two ways. On a full sourcing project we take a category or requirement end-to-end — spec, shortlist, quotes, negotiation, PO. For quick, one-off needs, send us the spec via our quick order form and we come back with a quote, usually same day.
Either way you get one point of contact, a vetted UK supplier network, and no commission taken from suppliers — our recommendation is yours.