Thanks for this, this is very interesting. My son, nearly 6 has a speech and language delay, no formal diagnosis, but has an EHCP and attends a SALT resource base in a mainstream school.
Before attending the school, we felt completely let down by NHS SALT, rarely seen, only ever seen in person to do a quick chat maybe one a year/six months about progress, no formal sessions. The speech therapist assigned to him I think just assumed he was autistic, knew nothing about him. I do appreciate that the system is over subscribed and underfunded but we did feel completely abandoned.
DS only started with single words about 3, and two words together at 3.5 and now at nearly 6 never stops talking, admittedly still has some way to go, plus he didn't receive an autism diagnosis last year after a 3 year wait. We were fortunate to be able to pay for 18 months of weekly private SALT who introduced PECS which were then not needed after 6 months or so, which along with a fabulous preschool, who got him the EHCP and ultimately the place at his school, is where we are today.
You sound like a fantastic therapist and I'm sure the families are lucky to have you.