- Technical Consultant
- Quality Manager
- Technical Coordinator
- Technical Manager
- Lab-In-Charge
- Lab Assistants
- Sample Collector & Transportation-In- Charge
Who We Are
COS Consultancy Services founded by Dr.T.Mayil Vahanan, Architect cum Structural Engineer in the year 2005 in the city of Madurai offers its services in Multi Sectoral fields, Architecture, Structure, Roads, Railways & Bridges & other domains of Civil Engineering.
The firm’s clientele covers agencies of Central, State Government, PSU’S & Private Sector. For its business promotional ventures the firm is using a policy of having tie ups with reputed firms all over the country.
What We DO
COS Consultancy Services provide Consultancy services in Civil Engineering Projects, Geo-Technical Investigations & Surveying. The value of our services in derived from our commitment to producing consistently high-quality work within the constraints of the client’s schedule & Budget.
- The Laboratory has been approved by Government of India and registered under CIDC 02-04-2016
- The Laboratory is also accredited under NABL- National Accreditation Board for Testing and Calibration Laboratories (A Constituent board of Quality Council of India).
Our Approach
We are a technologically driven company and our emphasis is to deliver speedy, and technologically advanced solutions to our clients. Our highly experienced technical personnel work closely with our clients to understand their needs and efficiently solve their technical problems. We value common sense and practical approaches, resorting to more sophisticated work methodologies if required.
Our Team

Dr.T.Mayil Vahanan
Director
Dr.T.Mayil Vahanan, a veteran Architect/Structural Engineer/Transport Planner, conferred with Ph.D in the field of Transportation Engineering from Anna University, Chennai. Being a multifaceted person with composite personalities, Dr.T.Mayil Vahanan has been practicing as Registered Architect, Structural & Transportation Consultant over 30 Years of domain expertise. Besides his practice as Architect, he did numerous projects in the area of Infrastructure and Urban development. He designed more than 50 bridges which include Elevated Corridor, Flyover, ROB, RUB, Major Bridges and VUP’S in the cluster of manifold geographical locations including his home town and also with huge experience and credibility as Highway Engineer. he uniquely worked for more than 500km in National/State Highways including Bypass, Elevated Roads, and Grade Separators etc. Towards Contribution to urban development, he practiced as Senior Architect in the establishment of modern Bus-Stands, Markets, Tourism Infrastructures, Industrial Corridors etc., and also planned Smart City Projects.
Happy Clients
Projects
No of Equipments
Hard Workers