MOSCOW (Sputnik) — According to the poll, 70 percent of respondents believe that leaving the bloc would be damaging and only 2 percent rate it as positive.
At least 350 companies were questioned for the ICSA survey.
Britain’s EU membership renegotiation campaign was officially launched in November.
London wants the right not to commit itself to EU's pledge of an "ever closer union," curb social benefits for EU migrants, secure greater protections for non-eurozone countries in the EU bloc, and more power for national government.
The so-called Brexit referendum is expected to take place before the end of 2017.