About Us

Who we are?

We have been providing engineering, construction, assembly, operation and maintenance services for the Uruguayan public and private sectors since 1980.
We approach each project with a collaborative, responsible and committed attitude, working together with the client, designers and other contractors towards the common goal of making the project a success.

Working with the highest standards has allowed us to obtain certifications in Quality Management Systems:

ISO 9001:2015

Quality Management Systems

ISO 14001:2015
Environmental Management Systems
ISO 45001:2018
Occupational Health and Safety Management Systems
ISO 39001:2012
Road Safety Management System

Based on a clear understanding of the challenges and using state-of-the-art technology, systems and procedures, we are able to conceive, design, execute and operate solutions that meet and exceed our clients’ expectations. This is how we build long-term relationships and add value to our clients’ businesses.


Ciemsa Construction Awards

Our values


Doing things right.


Create something new with added value.


Make things happen.

Our capabilities and experience

CIEMSA has extensive capabilities in Civil, Structural, Road, Mechanical, Electrical, Industrial Engineering, in areas including Architecture, Industry, Environmental and Renewable, Sanitation and Water, Energy, Transportation, Utilities Infrastructure, among others.

We are backed by more than 40 years of experience working on public works projects, many of them financed by international lending agencies, as well as private industrial and commercial ventures.
Depending on project requirements, we complement our team of more than 1,000 people with local and international experts through strategic alliances and cooperation agreements with renowned firms and outstanding professionals.

Years of Experience

Executed Contracts


Uruguayan Shareholders

Our customers

Our Mission

Our mission is to integrate solutions supported by our knowledge, experience and technologies that contribute to the sustainable development of our clients, collaborators and the community.

Our vision

A leading company in works and facilities, engineering, operation and maintenance services in Uruguay and the region. An organization recognized for understanding its customers’ needs and providing them with the best solution; for being an excellent place to develop and for having a positive impact on the community and the environment.

- Integrated Policy

Environment, Health & Safety, Quality, Security

Ciemsa has been providing services to the public and private sectors since 1980.

We develop works of different degrees of complexity, from small projects to turnkey solutions, including design, construction, electromechanical assemblies and automation.

We provide operation and maintenance services in complex environments that require technology, engineering and permanent innovation in terms of management and infrastructure.


Making things happen and doing things right, under a continuous improvement and innovation approach, to satisfy our clients and be part of the success of their projects.

Comply with legal and customer requirements and achieve a clear understanding of the needs and expectations of all other interested parties, including the consultation and participation of employees and their representatives.

Improve environmental, occupational health and safety performance by promoting continuous training and education of our people. Promote good practices, with a comprehensive preventive behavior, to achieve the objectives of:

– protecting the environment, including pollution prevention,
– zero accidents and occupational diseases in the development of our activities, providing safe and healthy working conditions, eliminating hazards, reducing risks and reducing the risk of accidents.


To exceed our customers’ expectations, that our team is the one who can best understand their needs, find, integrate and develop the most appropriate solutions.

The commitment of all of us to this policy is essential to be a sustainable company that adds value to our customers’ businesses, that builds long-term relationships, that promotes the personal development of its employees while having a positive impact on shareholders, the community and the environment.


Are you looking to develop your professional career in a leading company in its field?