Analysts at Liberum expect a 15% fall to £42-44mln.
The group has been battling in various markets, especially the UK where candidate and client confidence was “hit hard” by Brexit unpredictability.
Results were also challenged by political unrest in Hong Kong and France as well as the US-China trade war.
The company, present in 31 countries, hailed a "resilient" performance in 2019 with revenue dipping 1% to £1.2bn while profit before tax fell 3% to £47mln.
The dividend was raised 5% to 15.5p per share.
Shares dropped 11% to 469.34p on Tuesday at the opening bell.
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