About
The go to name for your Home Improvement Needs
Founded in 1968, Three Sinha, a household name in Sri Lanka, has an impressive 55-years legacy of partnership with our customers, solving their toughest problems in the construction industry. We are proud of our reputation as a solution provider and as an innovator in the market. Our corporate culture is based on dedication, respect, and continuous improvement. We have ventured into diverse areas in the construction industry such as Steel Building and Roofing, Roller Doors and Roller Shutters, Steel and Aluminum Fabrications, Stainless Steel Railings, etc. At Three Sinha, we have a clear vision for the future and understand how to react to the ever changing environment. Our goal is to provide customers with the most convenient and effective source of basic, high-quality pre-engineered and pre-fabricated steel buildings and related construction products. We develop or acquire relevant information, engineering know-how, state-of-the-art manufacturing techniques, and delivery systems continuously. Our Success is measured by how well we satisfy our customers’ requirements and their success.

Three Sinha strives to be recognized as an employer of choice and has established programs designed to attract and retain a highly skilled and motivated workforce. Our people are our greatest asset. We are working as hard as we can to give you the highest quality products, the best value for your money, the most convenient way to shop, and the strongest security possible. Buy your construction requirement from Three Sinha. It is the right choice.
Our Vision
Three Sinha Group is committed to providing with continuously improved means, strategies and products that will help to improve the net worth in business accomplishments, enhance family security and help to create prosperity to the lives of our patrons, whilst enjoying ourselves in the process.
Our Mission
Three Sinha Group constantly strives hard to be the most creative and sustainable solution provider in our lines of business. We are engaged in steel buildings and roofing, roller doors and roller shutters, steel and aluminum fabrications and stainless steel railings in the construction industry.
OUR MANAGEMENT TEAM


Manjula Ariyakumara


Chamila Yurangani


Tecla Thirananagamage
Factory Manager


Hemamali
Balasooriya
Senior Accountant,
B.Sc(Accountancy) USJP,CBA


Sarath Padmasiri


Hemantha Rajapaksha
B.Sc(Adm)


Ravindu Arachchige
Operations Manager – Sales


Kaushalya Rathnasiri
Business Development Manager


Sameera Nilwala
Operations Manager – After Sales, MBA(UK),CPM(ASIA),PGDIPM(SL)
BRANCH MANAGERS


B.B. Kumara
Branch Manager – Kanady


S.K.S. Dilruk
Branch Manager – Matara


Prasanthika Hemachandra
Brach Manager – Negombo


T.A.C. Nilukshi Kasuhalya
Branch Manager – Kottawa
PCM(SLIM), Pgdip(SLIM)
Our Achievements
INCO Premier Industrial Exhibition Awarding Ceremony


Gold Award - Best Inquiry Management System - 2023
Sri Lanka Institute of Architects Awards


Best Awarded Door Supplier - 2023
CNCI Achiever awards


CNCI Achiever awards 2019


CNCI Achiever awards 2018


CNCI Achiever awards 2017


CNCI Achiever awards 2016


CNCI Achiever awards 2015


CNCI Achiever awards 2014


CNCI Achiever awards 2013
Entrepreneur of the Year


Entrepreneur of the Year 2018


Entrepreneur of the Year 2016


Entrepreneur of the Year 2016


Entrepreneur of the Year 2015


Entrepreneur of the Year 2014


Entrepreneur of the Year 2013
Product Award – SLIA


Product Award – SLIA 2018


Product Award – SLIA 2016


Product Award – SLIA 2013
Customer Testimonials
Singer (Sri Lanka) PLC
D. Samson Industries
Hameedia
ON Design
Concept Center - Colombo
-
448, Nawala Road,
Koswatta ,
Rajagiriya, - +94 11 7 65 65 65
- +94 11 2 07 80 58
- marketing@threesinha.lk
Three Sinha - Kottawa
-
318/A, Highlevel Road,
Mahalwarawa, Pannipitiya - +94 76 0 65 65 65
- +94 76 8 76 85 05
- +94 11 2 86 36 08
- kottawa@threesinha.lk
Factory & After Sales Department
-
M.D.H.Jayawardana Mawatha,
Madinnagoda,
Rajagiriya. - +94 11 7 70 87 08
- +94 11 2 79 50 08
- service@threesinha.lk
Three Sinha - Kandy
- 506 Wathuwala, Katugastota
- +94 81 7 65 65 65
- +94 81 4 54 52 40
- kandy@threesinha.lk
Three Sinha - Negombo
-
504/1, Colombo Road Kurana,
Katunayake. - +94 31 7 65 65 65
- +94 31 7 63 40 00
- negambo@threesinha.lk
Three Sinha - Matara
- 769, Galle Road, Madiha, Walgama, Matara.
- +94 81 7 65 65 65
- +94 41 2 23 80 06
- matara@threesinha.lk