Have you come across ICEYE? It's a high res commercial SAR constellation, and they have a deforestation monitoring service. They partnered with the Jane Goodall Institute - perhaps you could approach them?

https://www.iceye.com/blog/deforestation-solution-9-essentia...

https://www.iceye.com/newsroom/press-releases/iceye-and-the-...

https://janegoodall.org/