The S&P Global PMI survey for the UAE fell modestly to 55.0 in January, from 55.4 the previous month.
The S&P Global PMI survey for Dubai slipped modestly to 55.3 in January, from 55.5 in December.
The Riyad Bank PMI survey for Saudi Arabia stood at its highest level since September 2014 in January as it rose to 60.5, up from 58.4 the previous month.
The S&P Global PMI survey for Egypt returned a positive reading of 50.7 in January, up from 48.1 in December.