A4F is a biotechnology company, located in Portugal, with more than 20 years of accumulated experience in algae Research & Development and algae production (up to industrial scale). A4F is specialized in the design, build, operation and transfer (DBOT) of commercial-scale algae production units, using different technologies that better adapt to our Customers’ business. Complementing our long experience, A4F distinguishes itself through its methodology which includes scaling-up from prototypes in our Experimental Unit in Lisbon to large-scale facilities. Additionally, A4F also develops standard operating procedures for optimized algae production, according to production goals and with industry best practices. A4F has a very close relationship with the leading research groups in national and international universities and institutes in algae biotechnology (and related R&D fields), as well as with the largest algae producers worldwide. A4F, the first choice for any large-scale contract as a specialist in algae production.