Sustainable business examples: 5 real cases from Belgian companies

If you're building a business case for sustainability internally, abstract frameworks won't convince a skeptical finance director or inspire a marketing team looking for a story worth telling. What convinces people is proof: a company that actually did something, with numbers attached and results you can point to. That's what this article gives you.

We see this constantly in our work with sustainability and communications managers: the ask is rarely "explain ESG to us." It's "show us companies that made this tangible, so we can build our own version of it." Below are five Belgian cases that do exactly that, across mobility, circular economy, retail, product design and industrial water management. Each one is a template you can adapt, not a theory you have to translate.

What makes a sustainability example genuinely usable for marketing and comms?

A sustainability example is only useful to a marketing team if it's specific, verifiable and visual. Vague claims about "reducing our footprint" don't survive a LinkedIn post or a client conversation. What does survive is a number, a photo, a named initiative.

The five cases below share three traits that make them work as communication material:

• They're concrete. Each one names a specific action, not a general commitment.
• They're measurable. There's a number attached, whether it's participants, a certification score, or a percentage.
• They're local. These are Belgian companies operating in Belgian conditions, which makes them directly relevant and easy to reference in a Belgian stakeholder conversation.

This is the same standard we apply when we help a client turn a sustainability strategy into a physical, communicable result rather than a policy document. If a project can't be photographed, explained in one sentence, and tied to a number, it won't do the job internally or externally. Our sustainability consulting service exists precisely to help companies get from "we should do something" to a case study like the ones below.

Colruyt Group: how does a mobility program become an employer branding asset?

Colruyt Group turned employee mobility into a measurable, story-rich sustainability program, not just a policy line in an annual report. Through its Bike2Work initiative, the company has equipped 1,700 employees with a bike allowance, a bicycle, a helmet and hi-vis gear, according to Jobat's 2024 reporting on Belgian companies leading on green workplace practices.

Colruyt didn't stop there. The company also runs a carpool database with roughly 800 participating employees, plus Bike2Lunch, a fleet of about twenty bikes employees can use for short trips during the workday.

What makes this case strong for a marketing or HR team is the combination: it's a CO2 story, a health story and an employer branding story at the same time. It shows that sustainability doesn't need to live only in procurement or facilities. It can be a daily, visible habit that employees experience directly, which is exactly the kind of internal engagement piece HR managers ask us for when we design projects meant to boost team cohesion, not just tick a box.

Blue Gate Antwerp: what does a circular business park actually look like?

Blue Gate Antwerp demonstrates that circularity can be designed into an entire business location, not bolted onto one company at a time. The Belgian federal health authority (FOD Volksgezondheid) names Blue Gate as one of the country's first business parks built around circular economy principles.

This case matters because it shifts the unit of analysis. Instead of one company optimizing its own operations, an entire cluster of businesses is designed to share resources, reduce waste flows between each other, and operate as a connected ecosystem. For a communications team, this is a useful example to cite when explaining that sustainability isn't only an internal company decision. It can be a location strategy, a real estate decision, and a collaboration between neighboring businesses.

If your company is considering a new site, a campus redesign, or a shared industrial park, Blue Gate is the reference case to bring into that conversation.

Umicore: how does a materials company make circular economy visible?

Umicore proves that circular economy claims can be backed by actual industrial process, not just intent. The federal health authority cites Umicore specifically for recovering rare metals from discarded mobile phones and computers, a form of urban mining that turns electronic waste into a genuine resource stream.

This is a strong case for any company in manufacturing, electronics, or industrial sectors looking for proof that "circular" isn't a marketing word invented for sustainability reports. It's an operational reality that changes how raw materials are sourced. For a sustainability manager building a materiality assessment, Umicore is a reference point for what "closing the loop" looks like when it's done at industrial scale rather than as a pilot project.

Crisp: what does B Corp certification prove in practice?

Crisp is the first supermarket in Flanders to earn B Corp certification, scoring 109 points on the B Impact Assessment, according to Forbes Belgium's 2024 coverage of Belgian companies making sustainability tangible. The retailer built its model around short supply chains, regenerative agriculture, and technology aimed at reducing food waste.

For a marketing team, this case is valuable because certification gives you something a self-declared claim never can: third-party verification. Instead of saying "we care about sustainability," Crisp can point to a specific number and a specific standard. That's the difference between a claim a journalist will publish and a claim they'll ask you to prove.

Retail and food sector companies looking at their own sustainability story should treat Crisp as the benchmark for what "we're serious about this" looks like when it's backed by an external assessment rather than an internal press release.

Paveau and Brouwerij Huyghe: how do product and process innovation build sustainable credibility?

Sustainability doesn't have to live in a separate department. It can be the product itself, or the way an existing product gets made. Paveau built its entire business proposition around reusable glass water bottles, designed to reduce reliance on bottled water and cut plastic waste at the source, per Forbes Belgium's 2024 reporting.

Brouwerij Huyghe took a different route: rather than changing what it sells, the brewery focused on how it produces, becoming a reference case for water efficiency and water treatment in industrial brewing, according to Green Business's overview of leading Belgian green companies.

Together, these two cases show sustainability managers that there's no single entry point. You can build it into your product from day one, like Paveau, or you can retrofit sustainability into an existing production process, like Huyghe. Both are legitimate, both are communicable, and both give a marketing team a genuine story instead of a generic claim.

How do you turn these examples into your own visible sustainability project?

You turn these examples into your own case by choosing a project that is physical, local, and tied to a number your team can report on next year. Reading about Colruyt's bike program or Crisp's B Corp score is useful, but it doesn't become your company's story until you've built something your own employees, clients and suppliers can see.

This is where we come in. In our engagements with HR, sustainability and marketing teams across manufacturing, logistics, financial services and healthcare, the pattern is consistent: companies want a project that produces the same kind of proof these five cases produce, but rooted in their own site, their own team, and their own local environment. A company forest planted with your employees gives you exactly that: a physical, photographable, measurable result you can put next to Colruyt's bike numbers or Crisp's B Corp score in your own sustainability report.

For companies further along, with a legal obligation to compensate felled trees, our forest compensation guidance turns a regulatory requirement into the same kind of visible, positive story. And if your team is drawn to the food and community angle in the Crisp or Paveau examples, a food forest project delivers local food production, biodiversity and team engagement in one initiative. For a deeper look at how to structure sustainable practices across your organization, our guide on sustainable business practices for 2026 walks through the planning side of this work.

The real lesson from these five cases is that sustainability becomes credible the moment it becomes visible and specific, not when it becomes bigger. That means your next move isn't a bigger commitment statement, it's a smaller, concrete, local project you can point to the way these five companies do. Book a conversation with our team to scope a corporate forest project through our contact page and get a tailored proposal built around your site, your team and your sector.

Frequently asked questions

What are examples of sustainable businesses?

Sustainable businesses are companies that embed environmental and social responsibility into daily operations, not just policy documents. Examples include Colruyt Group's employee bike and carpool programs, Umicore's metal recovery from electronic waste, and Crisp, Flanders' first B Corp-certified supermarket. What unites them is that each practice is specific, measurable and visible, rather than a general commitment statement.

What are 5 examples of sustainability in business?

Five concrete examples: employee mobility programs like Colruyt's Bike2Work, circular business parks like Blue Gate Antwerp, industrial material recovery like Umicore's urban mining, third-party certified retail models like Crisp's B Corp status, and product-level innovation like Paveau's reusable glass bottles. Each addresses a different part of the business, from HR to product design to production.

What is a good sustainable business practice to start with?

Start with a practice tied to your existing operations and easy to measure within a year. A mobility incentive, a water efficiency upgrade, or a local nature project on your own site are strong starting points because they produce a visible result quickly. We consistently see companies get more traction from one well-executed local project than from a broad, unmeasurable pledge.

How is environmental sustainability different from social sustainability in business?

Environmental sustainability focuses on reducing resource use, waste and ecological impact, as seen in Umicore's material recovery or Huyghe's water efficiency work. Social sustainability focuses on people, such as Colruyt's employee wellbeing programs. The strongest sustainability initiatives, including the cases above, typically combine both dimensions at once.

Why do Belgian companies use B Corp certification as a sustainability proof point?

B Corp certification provides independent, third-party verification of a company's social and environmental performance through the B Impact Assessment. Crisp's score of 109 points, reported by Forbes Belgium in 2024, gives the company a specific, defensible number rather than a self-declared claim, which is far more credible to journalists, clients and investors.

Sources

• FOD Volksgezondheid, 2024 — federal overview naming Blue Gate Antwerp and Umicore as circular economy leaders
• Forbes België, 2024 — coverage of Crisp's B Corp certification score and Paveau's reusable bottle model
• Jobat, 2024 — reporting on Colruyt Group's Bike2Work, carpool and Bike2Lunch participation figures