Consider a supplier preparing to renew a major customer contract. The product still meets the technical specification. Price and service remain competitive. This time, however, the renewal pack asks for product level emissions data, sourcing evidence and clearer support for the environmental language used in sales materials.

The supplier can answer, but only by assembling people from sales, procurement, sustainability and legal. The information exists in fragments, several assumptions need to be checked and the final response arrives close to the deadline. A competitor returns a narrower but complete file within days.

The buyer may not regard either supplier as a sustainability leader. It may simply find one easier to approve.

That is the commercial importance of access. Sustainability does not always create a reason to prefer one offer over another. It may first determine whether the offer can enter the tender, stay on the shelf, pass internal review, secure financing or remain credible under scrutiny.

Access is a commercial condition

Companies often look for the sustainability business case in new revenue, premium pricing or brand differentiation. Those outcomes are possible, but they are not always the first effect.

In many markets, sustainability enters competition through a gate. A retailer adds product data requirements. A public buyer changes tender criteria. A large customer expects evidence from suppliers. A lender asks how an asset will perform under tighter conditions. An insurer changes its view of exposure. A regulator narrows the language a company can use. A local community changes whether a project can proceed on the terms assumed in the investment case.

The carrier differs, but the commercial mechanism is similar. A condition that once sat around the offer begins to influence whether the offer can be bought, listed, funded, trusted or defended.

This matters because access is often treated as administrative work. The request arrives as a form, a clause, a data field or an additional review. Each task can be delegated. Taken together, however, they may be changing the conditions of participation in the market.

Eligibility is not differentiation

Meeting a common requirement rarely makes a company distinctive. If every credible supplier must provide the same evidence or meet the same standard, compliance is unlikely to support a premium by itself.

That does not make the requirement strategically unimportant. Access answers whether the firm can participate. Advantage answers whether it can win on better terms. A supplier may have an excellent product and still fail to reach the final shortlist. A brand may have customer demand and still lose a listing. A project may have attractive economics and still struggle to secure capital or permission.

This is where companies often mislabel the value. Work that protects a renewal is presented as growth. A certification is described as advantage. A data system is justified as innovation. The language may help secure attention, but it weakens management discipline.

Access work should first be judged on the access it protects or enables. Did the company remain eligible? Did qualification become faster? Did an important customer accept the evidence? Did a claim remain usable? Did the financing process proceed on better terms? These are valuable outcomes even when market share, price or customer preference do not change immediately.

Access usually tightens before it closes

Market gates are not always binary. A buyer does not need to reject a supplier outright for the commercial effect to matter.

Access can become slower, narrower and more expensive. A supplier moves through additional reviews. A retailer limits the claims it will carry. A tender requires more evidence and more senior sign off. A lender shortens the term of financing. A channel partner asks for exceptions or additional assurances. Sales cycles lengthen because internal confidence is harder to establish.

The company is still in the market, but it has less room. More specialist time is needed to support each transaction. More caveats enter the offer. More decisions escalate. The margin case weakens through work that is rarely recorded in one place.

This gradual tightening is easy to miss because revenue may not fall immediately. Capable people keep the relationship moving. They find the file, call the supplier, narrow the wording and prepare another explanation. Their competence protects the business while concealing the weakness of the system.

The real test is what happens when the next request arrives. If the organisation starts again, it has cleared a gate. If the next answer is faster, more reliable and easier to use, it has begun to build access capability.

Friction is where advantage can begin

Two firms can meet the same requirement and create very different experiences for the buyer.

One firm treats every request as a special case. Evidence has to be reconstructed. Claims are reviewed late. Supplier information is inconsistent. Commercial teams depend on specialists to explain what can be trusted. The firm remains eligible, but it is expensive to approve.

The other firm has a clearer evidence base, bounded language, known ownership and a routine for refreshing the relevant information. It may not make a louder sustainability claim. It reduces the buyer's work and uncertainty.

At that point, access starts to create position. The advantage does not come from the requirement itself. Competitors face the same requirement. It comes from meeting the requirement with less friction, at lower marginal cost and with greater commercial confidence.

A company should not expect an ordinary standard to differentiate it. It can, however, build a differentiated operating response to that standard. The market may experience the result as faster qualification, cleaner tenders, safer claims, stronger supplier confidence or fewer reasons to hesitate.

The gate may move before the rule

Management teams often wait for legal certainty before changing the business. Regulation feels like the hard boundary, and the absence of a final rule can make delay appear prudent.

Commercial access does not always move on the legal timetable. Major customers may tighten supplier expectations before the law requires them to do so. Retailers may change category rules to manage their own risk. Lenders and insurers may adjust terms before a reporting standard is settled. Claims can become commercially unusable because scrutiny has increased, even when the underlying product remains legal to sell.

Political support for sustainability can also rise and fall while these market mechanisms continue to develop. A change in public language does not necessarily reverse the operating requirements already built into procurement, product standards, financing or customer assurance.

The management question is therefore not simply whether regulation is advancing. It is which institution can make the issue binding for this business, and how quickly that institution can change access.

Do not build a machine around every signal

The answer is not to treat every sustainability request as strategic. Some buyer questions are poorly designed. Some requirements remain local. Some claims are not valuable enough to justify the proof burden. Some markets will not reward a more elaborate response.

Overbuilding is a real risk. Companies can create expensive systems, collect data no one uses and spread attention across too many possible futures. Access strategy requires selectivity.

A signal deserves closer attention when several conditions are present. It comes from an economically important customer, channel, regulator or capital provider. Similar requests are appearing elsewhere. The internal response requires long lead times. Repeated manual work is already visible. The issue affects a product, claim, supplier relationship or investment that would be costly to change later.

Where these conditions are absent, a narrow response may be enough. Where they converge, repeated improvisation is usually the more expensive choice.

Six questions to identify an access issue

Before treating sustainability as a source of advantage, leadership should establish whether it has already become a condition of access.

1. What gate is moving?

Name the commercial moment at risk. It may be a tender, listing, renewal, financing decision, claim approval, product standard or local permission.

2. Who controls the gate?

Identify the actor that can make the requirement binding. The relevant actor may be a customer, retailer, regulator, lender, insurer, platform or community.

3. What has changed from preference to requirement?

Separate broad interest from a condition that affects eligibility, timing, terms or internal approval. The difference determines how much investment is justified.

4. What must the company be able to prove or deliver?

Translate the external request into a specific evidence file, product attribute, supplier obligation, service promise or operating capability.

5. Can the response be repeated at commercial speed?

If each transaction depends on senior intervention, manual reconstruction or exceptional wording, the company has not yet built access capability.

6. Where could lower friction become an advantage?

Ask whether the same work could make the firm easier to qualify, safer to approve, quicker to finance or more dependable than competitors facing the same gate.

Build access first, then decide whether advantage is available

Sustainability does not need to create differentiation in every situation. Sometimes its commercial role is more basic and more urgent. It keeps an offer eligible, protects a customer relationship, preserves usable claims or maintains access to capital and channels.

Management should name that role honestly. Doing so produces better measures, clearer investment decisions and less pressure to invent a growth story around necessary work.

Once access is secure, a second question becomes possible. Can the company turn the capability behind access into a stronger position? Can it qualify faster, support customers with less effort, use evidence across more offers, lower the cost of future requirements or make a promise competitors cannot carry as reliably?

That is where advantage may emerge. It is not automatic, and it does not come from compliance alone. It comes from converting recurring market pressure into an operating capability that the customer can feel.

Access is therefore not the end of strategy. It is the condition that determines whether the rest of the strategy can reach the market.

Selected references

  1. Ioannou, I. and Serafeim, G. (2019) 'Yes, sustainability can be a strategy', Harvard Business Review, 11 February. Available at: https://hbr.org/2019/02/yes-sustainability-can-be-a-strategy (Accessed: 14 July 2026).
  2. Kaftan, N. (2026) The Access Advantage: How Firms Compete When Sustainability Shapes Market Access. 1st edn. [e-book]. Available at: https://www.amazon.de/dp/B0H1RL94TY (Accessed: 14 July 2026).
  3. Kell, G., Reeves, M. and Fox, H. (2025) 'Corporate sustainability is in crisis. What should companies do now?', Harvard Business Review, 22 April. Available at: https://hbr.org/2025/04/corporate-sustainability-is-in-crisis-what-should-companies-do-now (Accessed: 14 July 2026).