What Happens If Your Most Important Supplier Stops Tomorrow?
6 minute read
Imagine arriving at work tomorrow morning and receiving a message from one of your most important suppliers.
They cannot deliver.
Not today. Not next week. Perhaps not for the next three months.
What happens to your business?
Can you continue operating normally? Can another supplier step in? How quickly? At what cost? Would the replacement meet your quality requirements and the expectations of your customers?
Or would you suddenly discover that a business you considered resilient was actually dependent on one organisation over which you had very little control?
This is why resilience begins with visibility.
The business you depend on may be outside your business
Most organisations understand their own operations reasonably well.
They know their employees, facilities, equipment, customers, costs and immediate operational risks.
But businesses do not operate in isolation.
They depend on suppliers, logistics providers, technology platforms, energy providers, financial institutions, contractors and many other organisations to function.
A disruption somewhere within that network can rapidly become your disruption.
The World Economic Forum has repeatedly highlighted the interconnected nature of global risks, while research into supply chain resilience has demonstrated the importance of visibility, flexibility and the ability to respond to disruption (World Economic Forum, 2026; Christopher and Peck, 2004).
The question, therefore, is not simply:
How resilient is our business?
It is also:
How resilient are the organisations our business depends upon?
Try a simple 90 day test
Choose one supplier that your organisation considers critical.
Now imagine that supplier cannot deliver anything for the next 90 days.
Ask yourself seven questions.
- What stops?
Which products, services or activities depend upon this supplier?
- How quickly would we feel the impact?
Would operations be affected tomorrow, next week or several months from now?
- Do we have an alternative?
Having another supplier listed in a database is not necessarily the same as having a viable alternative.
- How quickly could we switch?
Would the alternative require testing, certification, new contracts, different logistics arrangements or customer approval?
- What would switching cost?
A cheaper supplier can become extraordinarily expensive when disruption occurs.
- Would the alternative meet our customers’ requirements?
Quality, environmental performance, labour practices, traceability, emissions and other sustainability requirements may increasingly form part of customer expectations.
- What could have warned us earlier?
This may be the most important question of all.
Look for the signals before the disruption
Suppliers rarely operate in a vacuum.
They face changing regulation, energy costs, labour shortages, extreme weather, water availability, transportation constraints, geopolitical events, technological disruption and changing customer expectations.
Consider a supplier whose operations depend heavily upon fossil fuel based transport.
Its deliveries may be perfectly reliable today.
But what happens as transport regulation changes, customers demand lower emissions, fuel economics change and competitors invest in cleaner fleets?
The immediate question is not whether that supplier is sustainable enough.
The commercial question is:
Does the supplier understand what is changing and have a credible plan to respond?
The same logic applies elsewhere.
A manufacturer dependent upon water may face increasing restrictions or scarcity.
A food producer may depend upon agricultural commodities exposed to climate impacts.
A technology company may rely upon a small number of critical data or cloud providers.
A retailer may depend upon logistics businesses facing new emissions requirements.
A construction company may depend upon materials affected by changing environmental regulation.
Waste, biodiversity impacts, human rights, resource availability, emissions and other sustainability issues can become commercial issues remarkably quickly when regulators, customers, investors or communities act.
What appears to be a sustainability issue today can become tomorrow’s supply problem, cost increase or lost customer.
Sustainability information can become an early warning system
This is where sustainability reporting becomes much more interesting.
Its value is not limited to producing a report.
The process requires organisations to examine their impacts, relationships and dependencies systematically.
Who do we depend upon?
Where are our significant impacts?
What is changing around us?
Which relationships could expose us to risk?
What information should management be watching?
These questions can reveal vulnerabilities that conventional operational analysis may overlook.
The GRI Standards, for example, require organisations to consider their impacts across activities and business relationships rather than simply looking within their own operational boundaries (Global Reporting Initiative, 2021).
This broader perspective can help management see the business differently.
From supplier management to supplier visibility
The objective is not to interrogate every supplier with hundreds of questions.
That would create bureaucracy rather than resilience.
Start with the relationships that matter most.
Identify the suppliers whose failure would materially affect your ability to operate.
Then understand the dependencies.
Ask what could realistically disrupt them.
Look for indicators that conditions are changing.
Discuss their plans.
And consider your alternatives before you need them.
A small organisation may be able to do this on a single sheet of paper.
The sophistication of the system matters far less than the quality of the questions.
The cheapest supplier may not be the cheapest supplier
Procurement decisions have traditionally concentrated heavily on price, quality and delivery.
Those remain important.
But resilience introduces another dimension.
Imagine Supplier A costs 3 per cent less than Supplier B.
On paper, Supplier A wins.
But Supplier A depends upon one facility, has no alternative energy supply, relies upon one transport provider and has done little to understand regulatory changes affecting its operations.
Supplier B costs slightly more but has alternative production arrangements, multiple logistics options and management actively monitoring emerging risks.
Which supplier actually represents the lower cost?
The answer may only become obvious when something goes wrong.
By then, the decision has already been made.
Resilient businesses ask questions early
The objective of resilience is not to predict every disruption.
That is impossible.
It is to understand enough about the organisation and the system around it to recognise vulnerabilities, see emerging change and create options.
That requires looking beyond the walls of the organisation.
Your own operations may be efficient.
Your facilities may be secure.
Your emissions may be falling.
Your people may be prepared.
But if a critical organisation upon which you depend cannot adapt to what is coming, part of your resilience sits in someone else’s hands.
So choose your most important supplier and ask one question:
What happens if they stop tomorrow?
If the answer is difficult to give, you have just discovered something worth understanding today.
From reporting to better decisions
Our GRI Certified training programmes go beyond learning how to complete disclosures.
Participants learn how to examine impacts across the value chain and use enhanced materiality thinking to understand the relationships between impacts, risks, opportunities and organisational dependencies.
Because good sustainability reporting should do more than explain what happened.
It should help organisations understand what matters next.
Simon Pitsillides
Simon Pitsillides is a board adviser specialising in sustainability governance, corporate reporting, strategy and stakeholder value creation. He supports boards and senior executives in strengthening governance, enhancing decision-making and integrating sustainability into long-term business strategy.
Simon is a Fellow of the Chartered Institute of Marketing (FCIM), a Fellow of the Institute of Sustainability and Environmental Professionals (FISEP), a Chartered Marketer, and holds an MBA in Marketing. He is also a GRI and ISEP Certified Trainer.
As Founder of FBRH Consultants and publisher of SustainCase, Simon combines strategic, commercial and governance expertise with extensive international experience in sustainability reporting, assurance readiness and value creation. He has worked with multinational organisations, financial institutions and public sector bodies across Europe, the Middle East and beyond.
Simon is recognised for helping boards move beyond compliance by using decision-useful sustainability information to strengthen strategy, manage risk, build stakeholder confidence and create long-term value for business, stakeholders and the planet.
https://www.linkedin.com/in/simon-pitsillides
References
Christopher, M. and Peck, H. (2004) ‘Building the resilient supply chain’, The International Journal of Logistics Management, 15(2), pp. 1 to 14.
Global Reporting Initiative (2021) GRI 1: Foundation 2021. Amsterdam: Global Reporting Initiative.
Global Reporting Initiative (2021) GRI 3: Material Topics 2021. Amsterdam: Global Reporting Initiative.
World Economic Forum (2026) Global Risks Report 2026. Geneva: World Economic Forum.