Delivering sustainable solutions in anaerobic digestion and biofuels
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Experts in engineering and maintaining AD plants across Europe.
STORTEC is a premier industry expert, backed by a highly skilled team in water and wastewater engineering. We specialise in comprehensive biogas and water engineering solutions, guiding projects from concept and supply chain management to completion and ongoing support.
The leading anaerobic digestion operator in the UK.
BioteCH4 delivers sustainable, cost-effective solutions for our customers’ food waste recycling needs. With expert support and dependable service, we tailor environmentally responsible solutions to suit your sector and waste volume requirements.
Specialists in the procurement and sale of animal fats and oils.
Harris Tobias connects buyers and sellers across diverse commodity sectors by understanding client and supplier needs. We manage the entire supply chain and logistics process, so clients can focus on their core business, confident their products will be delivered reliably and on time.
Introducing the BioteCH4 Group, the perfect partner for positioning cutting edge green energy initiatives for driving a cleaner, greener future for all.
‘We are a strategic leader in the anaerobic digestion market, seamlessly connecting engineering and construction, food waste management, and commodity trading’
– Christer Stoyell, Group CEO

Sustainability and Innovation
Accelerated growth and investment in the renewable energy sector, particularly through anaerobic digestion, means we are uniquely positioned to drive continued growth and expertise across an increasingly popular and strategically important area.
Anaerobic Digestion
The combined knowledge and capabilities across our group companies uniquely position us to support this continued growth across the UK and Europe. At STORTEC, our expert engineering and construction teams deliver cutting-edge anaerobic digestion infrastructure across Europe and beyond.
Food Waste Recycling
The combined expertise and resources across BioteCH4 position us uniquely to lead the way in food waste recycling across the UK. Through innovative solutions and deep industry knowledge, we transform food waste into renewable energy through anaerobic digestion, supporting government legislation and sustainability and economical goals.
Biofuels
As the global focus on net zero intensifies, especially in reducing the carbon footprint of air travel, Harris Tobias is perfectly placed to lead change in the biofuels market. Their deep expertise in trading raw materials ensures they can meet the sectors growing supply and demand with agility and precision.
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