2003
Leo club of University of Moratuwa was started on 27th of July 2003 at Lions Activity Center, Moratuwa and 38 Engineering undergraduates were installed as Charter Members on that day, under the presidency of Leo Nadun Gunawadena.
2004
Leo club of University of Moratuwa completed its first Leostic year, being the runner-up for the most outstanding new club of the district, 306A, in 25th Annual Leo Conference held on July 2004.
2005
Leo District 306A was divided in to two district as A1 and A2. With that Leo Club of University of Moratuwa was shifted to district 306A2.
2006
Year 2006 was a remarkable milestone in the history of UoM Leos, as the club got the opportunity to win the award “The most outstanding club of Leo district 306A2” for the first time in the inaugural District Conference of Leo district 306A2 held on July 2006 with 13 project awards, 6 individual awards and 5 district and club awards.
2007
Leo club of University of Moratuwa again awarded as the Most Outstanding Leo Club of the district and the victory was confirmed with the 18 awards achieved at the 2ndDistrict Conference, under the leadership of Leo Buddhi Hettiarachchi. At the same time Leo Tharanga Gunasekar was awarded as the Leo of the Year for year 2006/2007.
2008
In the year 2008, under the presidency of Leo Namal Karunarathne the Leo club of University of Moratuwa was awarded as the Most outstanding Leo club in the Leo district 306A2 for the consecutive 3rd time at the 3rd Annual District Conference. UoM Leos achieved 12 project awards, 7 individual awards and 2 district and club awards.
2009
Continuing the Excellency, for the consecutive 4th time Most Outstanding Leo club of the Leo District 306 A2 was won by UoM Leos, at the yearend conference. Further, Leo Isuru Senadeera, an excellent leader produced by the club, was awarded as the Leo of the year for the Leostic year 2008/2009.
2011
For the year 2011 Leo club of University of Moratuwa was awarded as the 2nd Runner up of the Leo District contest at the Leo District conference held at Hotel Galadari, under the leadership of Leo Damith Amarakon from PDP Leo Thilini Manamperi.
2012
UoM Leos were Lucky to produce first ever Leo District president to the Leo District 306 A2, from their own club in this year. And also they were blessed with the award of most outstanding Leo club of Leo Multiple district 306 – Sri Lanka, under the Leadership of Leo Naveen Thameera, from PMDP Leo Thiruparan Siwapathasudaram.
2013
Leo Club of University of Moratuwa Celebrated their 10th year anniversary, recalling their journey of pride and remarkable. In this year too, the award of Most Outstanding Leo Club, of the Leo district 306 A2, was won by Leo club of university of moratuwa ander the Leadership of Leo Chathuranga Gunasekara
2014
Under the Leadership of Leo Ajith Ranaweera, UoM Leos were successfully granted with the award of most outstanding Leo club, as many of former years, from PDP Leo Buddika Lakmal Gunasekara in the multiple conference held at defense school auditorium on July 2014.
2015
Awarded as the Winner of the Leo district contest for the excellence service provided towards the society and the excessive support given to the Leo district 306 A2, Throughout the Leostic year 2014/2015, with the leadership of Leo Shehan Madushanka.
2016
Leo Club of University of Moratuwa awarded as the most outstanding Leo club of the Leo Multiple district 306 – Sri Lanka, Under the Leadership of Leo Ivan Udakara from PMDP Leo Dumidu Jayakody.
2017
UoM Leos were awarded for being the most outstanding University Leo club of the Leo Multiple district 306 – Sri Lanka, Under the Leadership of Leo Shehan Akmeemana, from PMDP Leo Rajitha Abeygunasekara.
2018
UoM Leos were awarded as the Most Outstanding Leo club of the Leo Multiple District 306 – Sri Lanka, Under the Leadership of Leo Buddhi Isurujith, from PMDP Leo Pramod Wimalatunga.
2019
UoM Leos were again awarded as the Most Outstanding Leo club of the Leo Multiple District 306 – Sri Lanka, Under the Leadership of Leo Kasun Ramanayaka , from IPMDP Leo Lion Kesari Seneviratne PMJF.
