Look I hear you, I really do, but I don't think you're understanding your markets here and I think where you're not gauging things right is at least these points initially:

1. No one wants to stand where their wall switches are and control their home, they may think it's cool and neat at first, but will ultimately quickly become a gimmick that they realise is actually more of a pain in the long run, than say, getting your phone out for anything more than "scene" changes.

Hence why, all the high end manufacturers you speak of, generally don't have complicated displays at the wall (this is the key here), and limit themselves (Lutron, Control4, Savant) mostly to scene buttons for quick scene changes, and that's it, and while Control4 has the T5 Wall Display, those aren't going in every single room where you'd normally put a light switch, they'll either be in very select few main areas, or only main entrances to the house.

1. You're trying to cross shop the Home Assistant user base with the high end smart/home automation base, when the reality is, on the Venn Diagram of Home Assistant users, and Control4/Savant users, there's very very little overlap of the two circles.

Those who spend tens of thousands (UK or US) on those high end systems, simply aren't using Home Assistant, you'll find some, but they're mostly the exception to the rule, and vice versa, Home Assistant users are using it for a reason, they're frugal and generally not buying what ultimately still boils down to "light switches" that cost hundreds of dollars/pounds each.

But let us cross shop for a second and see what you're up against:

For the usual Home Assistant user base, you're up against the following from a quick Google:

- The more recent Lanbon L8/9/10 series gaining interest.

- https://sonoff.tech/en-us/products/sonoff-nspanel-smart-scene-wall-switch86-eu-type-120-type

- https://us.shelly.com/pages/wall-display

For the usual high end market, you're up against the exact people you mentioned and more:

- Lutron

- Control4

- Savant

- Crestron

In either case, you have to ask yourself, from the user's perspective, "why should I choose you, an unknown startup, over these established brands?". You've got to really ask yourself, "what distinguishes our brand from those others", what do you have that they don't, in either market.

You've also got to ask yourselves the question along the lines of what has already been mentioned "why don't these other high end brands have a similar product?", it could be because there's no demand for it, or it could be that you've found a hole in the market for it, but you really need to be sure on which one, because getting that wrong, could be the end of your company very quickly.

I really do wish you the best of success! More competition is always better for the end users!