I've worked on all engines out there: Ogre, Unreal, Cry, Unity. I even have my own engine, but my engine doesn't come even close to these engines, it's more of a set of classes that call OpenGL functions.
We are highly experienced with Unreal Engine 4 but unfortunately no experience with Photon. We are an archviz and game development company and has been working with unreal engine, 3ds max and photoshop. We arMais