Institchu may have improved - I don't know.
What I do know, though, is that some of my younger colleagues ordered suits from them a couple of years back and they were, without exception, awful.
Poorly fitting - either too large or too small - and the fabric and construction was very ordinary, too.
Of course, any MTO or even bespoke offering contains an element of risk - it can take a couple of commissions to really get the fit right. However, unless you...