1.AeroFarms

AeroFarms is one of the most acclaimed vertical farming companies, recording more than $130m in investments since its launch in 2004.The farmer uses its own patented aeroponic technology, which provides higher levels of precision and productivity, with little environmental impact and minor risk. Based in New Jersey, US, AeroFarms claims its methods use 95% less water than standard arable farming.

2. Bowery Farming

Since launching in 2015, Bowery has emerged as one of the fastest-growing start-ups in the sector, having raked in more than $140m worth of funding. The New York-headquartered company, which supplies several restaurants, uses zero pesticides and non-genetically modified seeds in its operations. Bowery Farming claims its methods use 95% less water than traditional agriculture and are 100 times more productive on the same amount of land.

3. Plenty

In terms of investments, Plenty is probably the biggest company, after receiving more than $220m. Its vertical farms in San Francisco, US, produce kale, arugula, mixed spices and exotic herbs for retailers. Plenty CEO and co-founder Matt Barnard said his company “does not have competitors” and, including traditional farming, the industry is “all in this together”.

4. InFarm

InFarm is one of the few major firms to not be based in the US, having provided Europe with produce from its headquarters in Berlin, Germany. It has so far raised more than $35m in funding.

5. Gotham Greens

Based in New York and Chicago, US, the aptly named Gotham Greens has four production sites with plans in place for more facilities across the country. Since its launch in 2011, the company has amassed more than $45m worth of investments. Unlike most firms, which use aeroponics, Gotham Greens has chosen hydroponics, which swaps soil for a mineral nutrient solution in a water solvent.

According to nsagriculture.com