In today’s market, the demand for sustainable and climate-neutral products and services is steadily growing, with customers seeking transparency around environmental impact and innovation. For small businesses, effectively communicating the benefits, trade-offs, and unique performance features of bio-based products can be both a challenge and a significant opportunity. This booklet, drafted in the framework of BlueRev dissemination activities, is intended as a guideline specifically for SMEs. It will first introduce blue bio-based products and services, leading them through the fundamentals, providing essential tools and insights specifically related to the blue bio-based sector. To enhance the SMEs’ communication strategies around innovation, climate-neutrality, and sustainability the booklet will demonstrate how to understand different audiences, build compelling messages, and finally empowering the SMEs with practical skills to connect with customers and promote the environmental advantages of their bio-based offerings.