Sustainability remains an important loyalty driver for retailers. A recent RED C Consumer Sustainability Monitor found that seven in 10 UK consumers now expect brands to help them live more sustainably. For retailers aiming to acquire and retain customers, a sustainable subscription offering is a clear opportunity to build stronger relationships, increase loyalty and reduce churn.
Subscriptions foster retention by embedding convenience into the customer experience. When combined with sustainability, they tap into something deeper: purpose. Consumers who feel their purchases contribute to positive change are less likely to cancel. A subscription that makes them feel good about themselves is more than just a transaction. Gen Z shoppers, in particular, have a strong interest in values-driven shopping, with data suggesting they’re prepared to pay more for eco-friendly products.
Affordability, however, has pushed sustainability down the consumer radar as cost-of-living challenges continue to bite. According to Mintel’s latest UK Everyday Sustainability Report, while customers still expect brands to address sustainability, it is most effectively positioned as an added-value benefit. What this means from a marketing perspective is that sustainability is most effective in driving sales when linked to something of primary concern to consumers, such as personal health, finance, or other key purchase drivers.
This is a positive opportunity for subscription retailers able to offer a must-have product that combines sustainability with affordability and convenience. Three UK brands illustrate how this works in practice.
Oddbox: Loyalty through impact
Oddbox rescues surplus and “wonky” fruit and vegetables that supermarkets reject, delivering them to subscribers at prices often 30% lower than standard retail. Co-founder Emilie Vanpoperinghe explains: “Our longer-term vision is to reconnect people with nature and the food system to help them eat better for the benefit of both themselves and the planet.”
That sense of mission translates into loyalty. Oddbox has delivered over 10 million boxes and rescued more than 50,000 tonnes of produce – creating a positive movement against food waste. Impact metrics like these give customers a reason to stay, even when budgets tighten.
Smol: Sustainable cleaning made simple
Smol has disrupted the household cleaning category with eco-friendly laundry capsules and cleaning products delivered via subscription. Their model eliminates unnecessary plastic and uses concentrated formulas to reduce waste. Smol’s mission is clear: to make sustainable cleaning affordable and accessible for everyone.
By combining convenience with sustainability, Smol creates strong retention hooks. Customers appreciate the ease of regular deliveries and the reassurance that their everyday chores are reducing environmental impact. Smol also leverages transparency to reinforce trust and loyalty by publishing data on carbon savings and plastic reduction. Again, their impact metrics are clear on their website – an impressive 2,825 tonnes of single-use plastic saved.
Purdy & Figg: Cleaning with style
Purdy & Figg is redefining household cleaning with eco-friendly, refillable concentrates delivered via subscription. Their products are plant-based, packaged in glass, and designed to eliminate single-use plastic. Co-founder Purdy explains: “We wanted to create something that was both sustainable and beautiful – products that people are proud to have in their homes.”
By combining aesthetics with ethics, Purdy & Figg taps into a growing consumer desire for sustainable solutions that don’t compromise on quality or design. Subscribers stay because the brand makes green living effortless and aspirational.
What this means for retailers
In a market where acquisition costs are rising, retention is gold. Subscriptions that combine convenience with conscience are an invaluable tool for creating customers who stay longer, spend more, and are more likely to be cheerleaders for your brand. For retailers willing to invest in sustainability, the rewards are clear.
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