* Q3 adj EPS $1.21 vs $0.97 est
* Revenue up 52 pct to $162.8 mln
Nov 3 (Reuters) - Canada's Constellation Software Inc's (CSU.TO) quarterly profit beat estimates, helped by a surge in revenue in its public sector segment.
For the July-September quarter, net income was $14.2 million, or 67 cents a share, compared with $2.7 million, or 13 cents a share, a year ago.
Revenue rose 52 percent to $162.8 million. Revenue in the public sector segment, which contributes 74 percent of total revenue, increased 48 percent to $120 million.
On an adjusted basis, the company earned $1.21 a share, up from 69 cents apiece a year ago.
Analysts on average expected the company to earn 97 cents a share on revenue of $151.3 million, according to Thomson Reuters I/B/E/S.
Shares of the Toronto-based Constellation, which have risen 22 percent in value year-to-date, closed at C$45.49 on the Toronto Stock Exchange. (Reporting by Abhiram Nandakumar in Bangalore; Editing by Don Sebastian)