From waste to biodiesel: how used cooking oil is transformed
How used cooking oil becomes biodiesel through controlled collection, traceability and responsible waste management.
At GREENSIDE, we lead waste management through cutting-edge technology, offering sustainable and efficient solutions that recover waste sustainably.
We meet international standards for waste and renewable energy. See ISCC Certificate
We ensure that 100% of the product we collect has a purpose outside the human or animal food chain.
We meet our collection deadlines, ensuring service 365 days a year.

Our spirit is to innovate and introduce new solutions, products, and services for greater efficiency and sustainable growth.

Our team will optimize logistics and minimize risks, making the best choices for our trusted buyers.

IT solutions designed for traceability and complete waste management from the point of origin to its destination.

Our system and working method meet all international regulations, being audited by ISCC.

Greenside provides advice, tools, and communication strategies necessary for its clients and official partners.

We work with market leaders to offer our clients and official partners the best prices in the biofuels market.

We advise our Clients and Official Partners on the implementation of best practice protocols, management, and sustainability compliance.

A team of specialists in each area works to provide fast and effective responses to our clients and official partners.
We use the voluntary certification system that allows us to meet the requirements of the European Directive 2009/28/EC on Renewable Energy.
Self-declaration for food waste in compliance with the International Sustainability and Carbon Certification.
Self-declaration for used cooking oils and fats for biofuel production in accordance with Directive 2009/28/EC submitted to ISCC EU.
Self-declaration for waste or residues for biofuel production in compliance with Directive 2009/28/EC.
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GreenSide Solutions dedicates part of its profits to fostering and developing environmentally and socially responsible projects in the countries where we operate, such as UNICEF’s Water, Sanitation, and Hygiene programs or Eco Collectors.
If you collaborate on a project, association, or NGO that needs funding, tell us about your project—you could be a beneficiary of the program.
Deforestation is the 2nd leading cause of climate change worldwide.
PFor every liter of used oil dumped, 1,000 liters of water are contaminated.
For a cleaner planet and no children with cancer.
Greenside Solutions S.L. has participated in the ICEX-Next Export Initiation Program, and has had the support of ICEX, as well as the co-financing of European ERDF funds, having contributed to the economic growth of this company, its region and Spain as a whole, according to the extent of the same, to the economic growth of this company, its region and Spain as a whole.