DECI Ltd
@deci-ltd.com
With a vision to elevate engineering standards, DECI is a specialist engineering and commissioning firm operating across Ireland, mainland Europe, Middle East, and United States. We provide critical project support through expert personnel, structured procedures, robust controls, and industry-leading experience. DECI partners with clients in the mission-critical, infrastructure, life sciences, energy, and utilities sectors, supporting complex projects from design through to systems handover. Our highly skilled teams work closely with general contractors, developers, and facility owners to ensure project delivery is safe, efficient, and aligned with the highest quality standards. Our core offering includes: - Commissioning Management and Support - Project and Construction Management - Quality Assurance and Quality Control - HSE Oversight - OFCI Coordination and Vendor Management - MEP Systems Review and Compliance - Engineering and Technical Advisory Services With a growing team of professionals across multiple international sites, DECI brings agility, accountability, and long-term commitment to every engagement. Our approach is based on deep integration with project teams, fostering collaboration, transparency, and a shared goal of operational excellence. At DECI, we don’t just fill roles, we become embedded partners, delivering reliability, insight, and value at every stage of the project lifecycle.
DECI Ltd's Company Logos


DECI Ltd's Brand Colors
Hex Code
Color name
RGB
HSL
CMYK
#017CC2
Lochmara
1, 124, 194
202, 99, 38
99, 36, 0, 24
#C2C2C2
Silver
194, 194, 194
0, 0, 76
0, 0, 0, 24
#1F2937
Ebony Clay
31, 41, 55
215, 28, 17
44, 25, 0, 78
About DECI Ltd
DECI Ltd, established in 1994, is a leading brand offering technical expertise and integrated solutions in the engineering and construction sector. With a proven track record and a global presence in diverse industries, DECI provides a range of services to meet the needs of its clients. DECI's main service offerings include Completion & Commissioning Services, Electrical, Instrumentation & Control, and Commissioning, Qualification & Validation Services.
These services ensure the successful completion and operation of projects, while adhering to international standards and regulations. DECI prides itself on its customer-centric culture, superior performance, and integrated business solutions. The company's vision is to become a world-leading technology service solution provider, while its mission is to become an integral part of its clients' value chain by delivering high-quality services.
DECI prioritizes health, safety, and the environment, implementing world-class policies, strategies, and standards to manage risk effectively. The company also upholds corporate responsibility and equal opportunity, fostering positive relationships with communities. With a focus on innovation, excellence, and diligence, DECI offers leadership by example, a proven track record, and a committed and multicultural workforce.
Through its expertise, adaptability, and knowledge of international standards, DECI ensures the successful completion of projects, meeting and exceeding client expectations
