About Us

SIERRA E & C LLC, was established in the year 2019 in UAE as a joint venture with TNTH

From completely new design and installations to expansion, replacement, system upgrade, and refurbishment we have the resources and capabilities to
address our clients’ infrastructure challenges safely and efficiently.

About us!

SIERRA E&C LLC, was established in the year 2019 in UAE as a joint venture with TNTH, Abu Dhabi, UAE has become one of the leading energy infrastructure companies in UAE. After completing various power and energy sector construction projects globally, we are confident to provide you EPC related to Power & Energy building construction services in UAE.

From completely new design and installations to expansion, replacement, system upgrade, and refurbishment we have the resources and capabilities to address our clients’ infrastructure challenges safely and efficiently. We have extensive experience in building overhead and underground transmission and distribution systems, medium-voltage and high- voltage substations, fiber optics, and renewable energy projects. We partner with world-class manufacturers and suppliers whose skills complement our own, enabling to build long-term relationships with our clients. 

The Project/System offering covers a wide spectrum of technologies. Our responsibility begins with early and greater involvement, right from pre-bid stage upto final project execution.

H H Shaikh Majed Bin Salem Bin Mohammed
Al Qassimi

Chairman

SIERRA E & C & The Nation Trust Holding

CHAIRMAN’S MESSAGE

Growing companies keep their past in mind and aspire to achieve unprecedented milestones in their future. We at TNTH Holding and subsidiary SIERRA E&C work on the same principals of ethics that lived the root of our establishment. Since our beginnings, we are committed to providing personal and professional services in a responsive, high-quality manner and still abide by these core values. Our interactions with our employees, customers, suppliers and members bespoke volumes of our high standards. The business model of SIERRA E&C to ensures our core disciplines in delivering effective construction solution in our targeted market areas.

Our Group of companies have invested a great deal in its workforce. Our staff and members are the backbone and pride of our establishment. Our belief in putting the trust in our staff and faith in our valuable customers have proven to be the hallmark of our success stories. The mutual trustworthy relationship with our clients has ensured in the delivery of best services and reaching total solutions. On behalf of SIERRA E&C like to extend our gratitude for continually showing their confidence in our expertise. We promise to continue and outperform our targets in providing quality and solutions.

Our Values

Our company values are the central, underlying philosophies that guide our business and employees. These beliefs also influence the way we
interact with partners, clients, and shareholders

VISION

VISION

Highest levels of workmanship and exemplary speed by continuously enhancing organizational skill through innovation and teamwork. Highest levels of professionalism, integrity, honesty and fairness in our relationship with our stakeholders and employees. Remarkable planning & optimization of resources in the pursuit of excellence.

MISSION

MISSION

To be the best and most competitive industrial and infrastructure engineering, construction & services company.

EXCELLENCE

EXCELLENCE

A culture of continuous improvement in our products, processes and services through the strong work ethic and innovative spirit of our employees.

RESPONSIBILITY

RESPONSIBILITY

We create awareness among employees to own responsibility and never to pass the buck down the line. We appreciate our employees with accolades and rewards but also make them accountable to the company as well as to the society as a good citizen.

SAFETY

SAFETY

For SIERRA E&C, safety is the top most priority and for this we promote a remarkable health and safety culture based on innovative approaches and best practices across all entities.

ETHICS

ETHICS

SIERRA E&C takes pride in conducting all its business in an open, transparent and trustworthy manner, confident that our best-practice policy speaks for itself and our hard-won reputation for performance, reliability and excellence is foundation of relations with partners and customers. Honoring commitments We take our ethical responsibilities seriously. We deliver on our commitments and seek the common good for our country and those we conduct business in, our communities, customers, partners, and workforce.