Just to concur with what Errol said....
My DS is on a placement from his Chemistry degree at a different RG uni, however his is in a niche company totally unrelated to Chemistry!!! As well as applying for this, however, he applied for many Chemistry placements too, got a few interviews, and one offer, but even then he got more interviews/offers than most of his friends who applied.
I think out of 50-60 of his year who applied for a placement, less than 10 got one. His school friend doing Chemistry at a different RG uni applied for lots and didn’t get any offers. Both had got good A levels and DS had built up transferable skills through work, DoE, volunteering etc.
He got very little help from uni, especially in terms of leads to placement companies, he was just signposted to a generic website, presumably accessed by every other Chemistry student looking for a placement.
He was very disheartened with the experience, as were we, especially as I remember how much emphasis was put on the placement year at the open day. The impression was that getting one at a large firm such as Glaxo, AstraZeneca etc, or a firm abroad was easily possible. Two of his year did get to Glaxo, but apparently Astra only take from certain unis.
So, maybe your DS should take a closer look at his unis and ask about how they help with placements, and in particular whether they have links with any specific companies. Maybe ask them specifically how many students are on placement in this academic year, and where? Has he got any offer days coming up?