I’m not sure if he does cycle to work but I came across Smithy Frameworks a month or so ago and his stuff looks superb.
With regards the Stanton and any other Titanium frame with a head tube gusset, avoid if you can. I had a custom Kent Eriksen (the man that started Moots) built for me a good few years back and he refused to weld a gusset to the headtube. Said it created too many stress risers. Have a look at the top dollar titanium frames from the likes of Moots, Seven, Indy Fab, Firefly etc and see how many of them have them.
If it was my money i’d be going for top top quality steel instead of middle of the road titanium frame. You can get a fully custom boutique steel frame for the price of an off the peg, middle of the road titanium frame. You’ll have conversations with the builder and discuss exactly how you want the bike to be. It’s a nice experience and the bike will mean so much more to you. Plus we’re at a stage where I believe geometry has evolved so much you can choose the bike to do exactly what you want it to do……Enduro hardtail……xc racer…..trail slayer? Take your pick.
All of this hinges of course on if you can find a builder to accept cycle to work scheme. Have a look at the Bespoked website and the list of builders there. Am sure I’ve read of someone before finding a builder who was very helpful. Might need to pay a small premium on top of his normal prices but then you’re saving a chunk in tax anyway.