Yes. I don’t know if that’s all that they do. They often port new Tensorflow models to PyTorch as well. They provide straightforward APIs, nice documentation, and clear tutorials. I use their stuff pretty regularly.
They are a startup, 1 year ago their future product was chatbots / text platforms for entreprise. Don't know if they pivoted but I don't think so.
My guess is that they don't earn money yet. They more or less are just out of school so it's a young startup. Actually studied with some of them and I'm still a student.