Should I use a career development agency to steer my path?

I’m out of work and at a crossroads, so am wondering if going to one would help find my next job
Twice a week we publish problems that will feature in a forthcoming Dear Jeremy advice column in the Saturday Guardian so that readers can offer their own advice and suggestions. We then print the best of your comments alongside Jeremy’s own insights. I recently lost my job as a senior manager in manufacturing. I have vast experience in facilities management but it is 10 years out of date