Employment agencies have increased 19% in value over the past four years, according to research from Plimsoll Publishing.

It found that 68, of the 100 companies reviewed, had seen their company’s value increase by 33%. This is a direct result of improved profitability and a conscious effort by their managers to place their company on a firm financial footing, the report said.

It also found that not all of the employment agencies prospered, 32 of the companies have seen their value fall, on average by 19%. It found that six companies saw their value plummet by 50% in the review period.