The round was led by Hedosophia, with participation from First Round Capital, Y Combinator, and Sony Innovation Fund.

The round was co-led by BlackPeak Capital, Cogito Capital, and Taiwania Capital.

The investment was made via Horizon Capital Growth Fund IV, which typically writes $10–40 million.

The seed round was led by Tilia Impact Ventures with participation from Satgana, GENIUS NY, J.O.S.S., Unconventional Ventures, and Almi Invest.

The pre-seed round was backed by Polish venture capital firm Market One Capital.

The Series A extension saw support from existing investors B Capital, Google, Mercedes-Benz, and PEAK6, as well as new investors AT&T Ventures, John Deere, and Qatar Investment Authority (QIA).

The pre-seed funding round for Principle was led by SMRK VC and SMOK VC.

The Series D round was led by WestCap, with support The European Bank for Reconstruction and Development (EBRD) and Horizon Capital.