Realco SA develops, produces and markets enzyme-based hygiene solutions and processes primarily in Belgium and internationally through subsidiaries including Realzyme in the United States. The company offers products targeting biofilms such as the patented Biorem range for multi-enzymatic anti-biofilm technology; conscious cleaning solutions for food industry, catering, retail and healthcare sectors including biosafety audits, membrane filtration cleaners and wastewater treatment packages; the eezym brand of Ecocert-certified enzymatic home cleaning products derived from natural ingredients; and specialized offerings like Homedetox for household use and OneLife spin-off products for medical hygiene. Realco serves food and beverage producers, food service and institutional catering, hospitals, consumers and wastewater management facilities with pH-neutral, green chemistry formulations that extend product shelf life, reduce food waste, lower energy use in cleaning and support environmental sustainability goals including net zero emissions by 2050. Founded in 1968 and headquartered at Avenue Albert Einstein 15 in Louvain-la-Neuve, Belgium, Realco listed on Euronext in 2006 and holds ISO 9001 certification since 2015. Recent developments include construction of a new production facility started in January 2022; addition of new board members Aline Le Clef from Sodexo and Nathalie Guillaume from Danone in 2025; a visit from Queen Mathilde in November 2024 highlighting workplace well-being; divestiture of non-core Splash and Zen pool and spa brands to Fluidra in November 2021 to refocus on enzyme technologies; and launch of the first Ecocert products in September 2019 alongside a reformulated vision for socio-ecological transition in October 2021.