Before you consult anyone, you need to get details of all the pensions, what their pension value is, how much the transfer value is, if there are any special conditions, is there a minimum growth rate? Also, when would you get your pensions from these old schemes? Whilst my current work pension is 65, my older ones are 60, so may allow me to retire earlier.
One of the old pensions had only £25 left in the scheme when I left the job in early 80s, as I had been there less than 2yrs and was repaid majority of my contributions.
The scheme was recently taken over and I was offered about 5.5K as a full pay off. This seemed a lot until I looked into the detail - the annual rate of increase is set around 10%, so the £25 has grown somewhat and will pay me approx £600 a year from age 60, so I only have to live to be 69 to be better off than if I had taken the pay off! I can also defer it if I work past 60, and will get a higher annual pension when I do take it. Whilst £600 is not much in the scheme of things, it is more than I expected, considering how little I paid into it.
DH has also looked at transferring a pension into his SIPP. It is above the level where he needs financial advise, but also has some guaranteed rates attached, so I think he has come to the conclusion to leave it as it is.
It is a difficult area, esp if your previous pensions are final salary, as there are some v good old schemes out there, which you are unlikely to better by moving the money. What is the new scheme, I am guessing it is a money purchase (also known as defined contribution).
So, to echo a pp, before seeking advise, spend some time finding out all the details of your existing schemes, you may realise, as I have done, that the existing schemes are best left well alone.