Welcome to Onna
OUR SERVICES
ONNA provides complete MEP project delivery — from early-stage budget estimation and feasibility assessment through engineering design, procurement, installation, testing and commissioning of mechanical, electrical, plumbing and fire protection systems. Our involvement typically begins before project scope is finalised, working with clients to define requirements, establish realistic budgets and identify technical priorities. Sustainability and energy performance are integrated from the outset, ensuring that every system meets both operational requirements and long-term efficiency targets. The same engineering rigour that drives our project delivery also underpins our technical advisory and commissioning services, where we provide independent oversight, facility assessments and life-safety reviews for existing buildings and third-party installations.
DELIVERY
DELIVERY PROCESS
Engineering your Vision
Engineering & Design
From feasibility assessment through detailed design — our engineering team develops complete MEP specifications tailored to project requirements, local standards and client expectations."
Engineering your Vision
Installation & Management
Our own installation teams deliver on-site, managing all MEP works from mobilisation through to system completion — with direct engineering oversight at every stage.
Engineering your Vision
Budget & Procurement
Realistic budget estimation from the earliest project stages, followed by international procurement and logistics management — ensuring cost efficiency without compromising specification."
Engineering your Vision
Commissioning & Handover
Full system testing, commissioning and structured handover — including operational documentation, training and post-completion support.
CORE SERVICES
CORE SERVICES
Pre-execution
Providing Cost, Schedule and Quality Predictability
Budgeting
Cost Estimating
Value Engineering/Value Analysis
Site Logistics Planning
Schedule Development
Constructibility Reviews
Sustainability Evaluation
Materials & Systems Analysis
Long-Lead Item Identification & Procurement​
Subcontractor Procurement
Design Aid/Design-Bid-Build/ Bid-Build
Involving in Every Stage
Electrical
Extra Low Voltage
Mechanical
Plumbing
Fire Protection
Management
Engineering
Installation
Comissioning
Keeping Buildings Stand
Existing Facilities
Technical Assesment
On-site Testing and Analysis
Periodic Maintenance
System Evaluation and Upgrade
Our Capabilities
MEP Engineering & Contracting
Complete mechanical, electrical, plumbing and fire protection systems — designed, procured, installed and commissioned by our own engineering and installation teams
Sustainability & Energy Solutions
Net-zero building transformation, microgrid systems and energy-efficient MEP design — sustainable performance engineered into every project from the outset.
Technical Advisory & Commissioning
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Independent facility assessments, engineering oversight, life-safety reviews and system commissioning — from early-stage budget estimation through to handover.
We individually assess each plan and offer optimal solutions
Engineering & Design Development Services