Chairman Alan Rudge also said the group was planning to up its investment in PFI and public-private partnerships to strengthen the next phase of the group's growth.
Atkins posted healthy results for the six months to 30 September. Pre-tax profit grew 10% to £18.5m, while turnover rose 40% to £314m.
Chief executive Mike Jeffries said that with the growth of large outsourcing deals, opportunities for the group had never been greater.
The results received a mooted response from the City, however, with shares dropping 54p to 862.5p following the announcement.
One analyst said the shares were a little expensive at present owing to concern over the level of margins the group were achieving. The analyst said: "They are going to have to work hard to justify their current rating."