- Winner Ruhuna Region 2019 Total Excellence In Tea Production
- Winner Ruhuna Region 2018 Total Excellence In Tea Production
- Provincial Productivity Awards 2006 Southern Province Manufacturing Sector - Medium Scale 2nd Place
- Provincial Productivity Awards 2006 Manufacturing Sector - Medium Scale 3rd Place
- Sri Lanka Entrepreneur Of The Year 2005 NATIONAL BRONZE AWARD (Large Category)
- Sri Lanka Entrepreneur Of The Year 2005 NATIONAL BRONZE 2nd AWARD (Large Category)
- Sri Lanka Entrepreneur Of The Year 2006 NATIONAL BRONZE AWARD (Medium Category)
- Sri Lanka Entrepreneur Of The Year 2007 NATIONAL BRONZE AWARD (Medium Category)
- Ceylon Tea Quality Certificate - 2007 One Star Rating
- Ceylon Tea Quality Certificate - 2001 Two Star Rating
- Agricultural/ Fishers /Livestock Sector Provincial Winner Medium Scale Businesses 2020
- Winner Best Energy Efficiency Enterprise 2020
- SRI LANKA TEA BOARD Awards MF 1410 Matara Region-2nd Place Best Tea Factory - Regional Level 2017 (Small Scale Category )
- SRI LANKA TEA BOARD Awards MF 1410 Matara Region-2nd Place Best Tea Factory - National Level 2017 (Small Scale Category )
- SRI LANKA TEA BOARD Awards MF 1410 Matara Region-2nd Place Best Tea Factory - National Level 2017 (Small Scale Category )
- Certificate For Gunawardana Tea Factory NC-G-102052 CERTIFIED AG-Group In conformance with the Rainforest Alliance Standard (s): RA Sustainable Agriculture Standard 2017 Crop(s) approved: Tea Level of compliance: Level C
- Food Safety Management System of GUNAWARDANA TEA FACTORY is in compliance with the requirements of ISO 22000:2018
- Gunawardana Tea Factory has been assessed and certified as meeting the requirements of ISO 22000:2005
- Hazard Analysis and Critical Control Point (HACCP) System and Guidelines for its application Annex to CACIRCP-1-1969, Rev. 4(2003)