Yes, but that's nothing unusual when the entire industry expects that. The last time I changed jobs, I signed a contract at the end of March, to start in August. That was the three month notice period plus most people are on vacation in July, so my new company would rather have me in August.

There are contractor agencies filling the niche of providing employees on short notice (and usually for a short period), but generally having people begin 3 months later is just something everyone expects and factors into their processes.

The average length of time people spend at a single job is also longer than in the US.