If you’re a mid-sized organisation, supplier sustainability can feel like an uphill battle.
You know your supply chain is where a large chunk of your emissions sit. You know customers, investors, and regulators increasingly care about it. But when it comes to actually engaging suppliers, the reality can feel uncomfortable:
We’re not big enough to make demands.
We don’t want to damage relationships.
Our suppliers have bigger clients than us – why would they listen?
The good news is this: working with suppliers on sustainability targets isn’t about leverage or ultimatums. It’s about collaboration, clarity, and making it easier for everyone to move in the same direction.
And yes, it’s possible, even if you’re not a global enterprise.
Why Supplier Sustainability Matters (Even When You’re Small)
For most organisations, supply chain emissions (often called Scope 3) make up the majority of their carbon footprint. That’s true whether you’re a multinational or a mid-market business.
Ignoring suppliers doesn’t make the problem smaller, it just means:
- You’re missing the biggest opportunity to reduce emissions
- You’re exposed to future reporting and compliance pressure
- You’re left reacting, rather than shaping your transition
The key shift is that supplier sustainability isn’t about control, it’s about alignment.
Start With Transparency, Not Targets
One of the most common mistakes organisations make is jumping straight to targets.
Before asking suppliers to commit to reductions, you need to understand where things stand today.
That usually starts with:
- Asking suppliers whether they track emissions at all
- Understanding what data they already have (even if it’s rough)
- Learning where their biggest challenges sit
This doesn’t need to be complex. A simple questionnaire or conversation is often enough to surface where suppliers are on their journey.
The goal at this stage isn’t perfection, it’s visibility.
Frame Sustainability as a Shared Problem
Suppliers are far more likely to engage when sustainability isn’t positioned as your requirement, but as a shared reality.
Helpful framing sounds like:
“We’re being asked for better data — and we can’t do it without you.”
“We’re trying to future-proof our supply chain together.”
“This is about staying competitive, not ticking boxes.”
This matters because many suppliers (especially smaller ones) are feeling the same pressure from multiple customers, often without clear guidance.
When you acknowledge that, the conversation becomes collaborative instead of confrontational.
Make the First Step Easy (Really Easy)
If engaging suppliers feels slow or awkward, it’s often because the ask is too big, too soon.
Instead of asking for:
- Full carbon footprints
- Science-based targets
- Net zero commitments
Start with something far more achievable:
- A simple emissions estimate
- Energy usage data
- A commitment to explore reductions over time
Progress builds confidence. Confidence builds momentum. And importantly, you don’t need every supplier to move at once. Focus on the ones that matter most to your footprint or your business.
If you’re unsure how to identify those priority suppliers, we’ve outlined a simple approach in our guide to managing Scope 3 emissions – including how to rank suppliers by emissions impact or spend.
Use Influence, Not Power
Even if you’re small, you still have influence – especially when it’s used thoughtfully.
Ways organisations successfully encourage supplier action include:
- Signalling that sustainability will increasingly factor into future decisions
- Recognising and rewarding progress, not just perfection
- Sharing tools, guidance, or partners that make action easier
In many cases, suppliers aren’t unwilling, they’re overwhelmed. Reducing friction can be more effective than increasing pressure.
Accept That Progress Won’t Be Perfect
This is important.
Supplier data will be incomplete. Targets will vary in quality. Some suppliers will move faster than others.
That’s normal.
What matters is that you can show:
- You’re engaging suppliers proactively
- You’re improving data quality over time
- You’re taking reasonable, good-faith steps to reduce impact
Sustainability is a journey and supply chains are no exception.
When You Need Extra Support
For many organisations, the hardest part isn’t knowing what to do, it’s finding the time, tools, and confidence to do it well.
That’s where working with a trusted partner can help. Whether it’s data collection, supplier engagement, or addressing residual emissions, having support can turn a daunting task into a manageable process.
You don’t need to have all the answers. You just need to take the next sensible step.
The Bottom Line
You don’t need to be the biggest player in the room to work with suppliers on sustainability.
You need:
- Clear intent
- Honest conversations
- Practical, achievable steps
Done well, supplier engagement strengthens relationships, improves resilience, and moves everyone closer to a lower-carbon future.
If you’re looking to engage suppliers but aren’t sure where to start, we can help. From footprinting and data collection to supplier outreach and carbon reduction planning, we make the process practical and manageable.
Get in touch for a free consultation where we'll answer any questions you may have.
