More than £56 million of pension funds that had been previously lost or forgotten about by British expats were recovered for them last year by deVere Group.
The company, which has over 80,000 mainly expatriate clients worldwide, reported the figures today.
Pension experts at deVere said that while a shift in working cultures, which has ended a 'jobs for life' scenario has fuelled a growing "lost pensions black hole" in general, the problem is particularly acute amongst expats.

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Reece Fallaize, deVere's global technical manager, said: "We're thrilled that in 2013 alone we managed to track down over £56million worth of misplaced retirement savings for our clients.
"The average lost or forgotten pension pot was worth £52,000. No-one wants to lose that amount of money, money that's been prudently put away to be able to enjoy a full, active retirement.
"This however, we believe, could only be the tip of the iceberg. Our findings, which are based solely on experiences with our clients, show that the true total of lost pensions for British citizens overseas could run into hundreds of millions of pounds.
"With a more transient lifestyle, expatriates are typically more susceptible to losing track of pension funds because not only are they more likely to be 'job mobile', but because they are also likely to have worked in several different countries over their careers."
Last year, in a global survey carried out by deVere it was found that 36 per cent of the 1,100 expats polled admitted to having lost track of pension savings over time.
Mr Fallaize said: "Our work on pension recovery highlights how imperative it is that individuals, and perhaps particularly expats, consistently keep on top of personal finance admin throughout their lives."