Environmental claims for Slovak SMEs

Since 27 September 2026, the EU rules introduced by the Empowering Consumers for the Green Transition Directive apply to business-to-consumer communication. For a Slovak SME, this is not merely a task for the legal department or the packaging supplier. It changes how marketing turns an environmental improvement into a headline, label, product page, advertisement or sales argument.

The commercial opportunity remains real: customers want useful information about durability, repairability and environmental performance. The risk begins when a broad impression outruns the evidence. Words such as “green”, “eco-friendly” or “sustainable” can suggest excellent performance across a product or company even when the available proof concerns only one material, one site or one production step.

What changed in practical terms

The Directive adds targeted rules to the EU framework against unfair commercial practices. Among other things, it restricts generic environmental claims where relevant recognised excellent environmental performance cannot be demonstrated. It also addresses claims that make an entire product or business appear environmentally preferable when the evidence covers only one aspect.

A sustainability label may not simply be invented for a campaign. Under the new rules, voluntary labels need to be based on a qualifying certification scheme or established by public authorities. Claims about future environmental performance require clear, objective, publicly available and verifiable commitments in a detailed, realistic plan, with measurable time-bound targets, allocated resources and regular independent expert verification. Product claims of neutral, reduced or positive greenhouse-gas impact based on offsetting outside the product's value chain are prohibited.

These are consumer-protection rules, not a ban on environmental communication. A company may still explain a genuine improvement, publish measured progress and describe investments in environmental initiatives. The communication must not turn a limited fact, a purchased offset or an attractive symbol into a broader product promise.

Build a claim file before building the campaign

Every material environmental statement should have a small internal record. It does not need to become bureaucracy. A one-page claim file can keep marketing, purchasing, product management and management aligned. Record:

the exact wording and every visual element that contributes to its meaning;
the product, market, lifecycle stage and period covered;
the baseline or alternative used for comparison;
the evidence, method, owner, date and relevant limitations;
the channels where the claim appears and the date for rechecking it;
the named person authorised to approve, revise or stop the claim.

This record solves a common SME problem: the proof may exist, but it sits in a supplier email while the agency, salesperson and web editor each use a different formulation. The claim file connects the evidence with the public wording and shows when a supplier change or new batch requires review.

Test scope before adjectives

Ask what the evidence actually describes. Is it the packaging or the product? One component or the whole item? A single production site or all operations? Direct emissions or the full value chain? A current measurement or a target? A statement can be numerically correct and still create a misleading overall impression if its scope is hidden.

The same discipline applies to images, colours and icons. A forest background, green seal or circular arrow can amplify a narrow sentence into a much broader message. Review the complete impression on the actual medium, including the product photo, headline, footnote and call to action. Important qualifications should be clear and prominent where the claim is made, not buried on another page.

Treat supplier statements as inputs, not automatic proof

Many SMEs depend on material certificates, product declarations or calculations supplied by manufacturers. Ask for the underlying specification, applicable batch or product range, method, issue date and validity. Confirm whether the document supports the wording you plan to use. “Recyclable” may depend on collection and processing infrastructure; a percentage may refer to one component; a certificate logo may have strict conditions of use.

Include notification duties in purchasing arrangements where an environmental characteristic is commercially important. If composition, energy source, manufacturing location or certification changes, marketing needs to know before the next campaign or packaging order. Keep the evidence accessible even after the colleague who obtained it leaves.

Audit labels and future promises separately

List every leaf, badge, score, trust mark and sustainability logo used on packaging and digital channels. For each one, identify its owner and legal basis. A decorative campaign badge can look like independent certification. If a label is based on a private scheme, verify that the scheme and third-party monitoring meet the relevant conditions; if you rely on a public label such as the EU Ecolabel, follow its scope and usage rules rather than treating it as a general company endorsement.

Future statements need their own discipline. “Net zero by 2035” is not a slogan that marketing can approve on ambition alone. Link it to a detailed implementation plan, measurable milestones, resources and independent review that is available to consumers. Report progress and setbacks. A target may be credible without promising certainty, but it must be more than a date attached to an aspiration.

Check carbon wording before campaign launch

Do not describe a product as climate-neutral, carbon-positive or having reduced greenhouse-gas impact when that impression is based on purchasing offsets outside its value chain. The Directive distinguishes those product claims from communicating investments in environmental projects. A company may explain such investments accurately, but it should not convert them into a misleading claim about the product's own lifecycle impact.

Separate three things in internal and public communication: measured emissions, reductions achieved within the product or value chain, and financial support for projects elsewhere. Clear separation is more useful to a serious buyer than a single reassuring label.

Make one source of truth work across channels

A compliant package can still be undermined by an old product page, marketplace description, social post or sales presentation. Store approved claim wording, mandatory qualifications, permitted visuals, evidence links and expiry dates in one controlled place. Give agencies and resellers the approved version, and search public channels regularly for obsolete variants.

The European Commission's consumer authorities have highlighted proportionate transition measures for old stock, while expecting traders to take timely good-faith steps, including updating online claims, future packaging and advertising materials. That makes the website and campaign library sensible first priorities: they can usually be corrected faster than stock already in the supply chain.

A practical 30-day cleanup

Week 1 — Find: collect environmental words, labels and visual cues from product pages, packaging, ads, marketplaces and sales documents.
Week 2 — Prove: match each claim to current evidence and its exact boundary; mark unsupported, unclear or expired items.
Week 3 — Rewrite: replace vague halo language with specific, understandable facts and visible qualifications; escalate high-risk claims for specialist review.
Week 4 — Control: approve a single version, assign owners and review dates, notify partners and create a withdrawal path when facts change.

Measure credibility, not just campaign reach

Add claim quality to the marketing review: percentage of claims with a current file, time to retrieve evidence, number of inconsistent versions, supplier documents nearing expiry and corrections requested by customers or partners. A campaign that generates attention but cannot survive a basic evidence request is not a marketing success.

The strongest environmental communication is often less dramatic and more valuable. It tells customers what improved, compared with what, over which boundary and according to which evidence. That precision protects trust, helps sales teams answer questions and gives genuine operational progress a better chance of being believed.

For support with evidence-led messaging, channel consistency and practical campaign governance, see our Marketing services.

Sources and further reading

Legal and factual statements were checked against the following official EU sources on 25 October 2026. The claim-file model, release test, 30-day plan, practical recommendations, conclusions and wording are original editorial work by Merkle s. r. o.

This article provides general marketing and organisational guidance. It does not determine whether a specific claim, label, product or campaign complies with Slovak or EU law and does not replace individual legal advice.