Workers concentrate better working out of the office, but remotely using software and accessing files slows them down and hits their productivity, according to a survey.

Nearly half the workers questioned said they work off-site more often now than two years ago, and 40 per cent said they would do so more often if business files or software loaded more quickly, said the survey conducted for Riverbed Technology.

Two-thirds of those surveyed said they would like to be able to work off-site more than they do now, it found.

Fifty-four per cent said they concentrate better working off-site compared with being in the office, it said.

But 33 per cent said accessing business files or software remotely negatively affected their productivity - which could mean that workers wouldn't exactly cloud computing or more Software as a Service use by their firms.