About Us
Practical expertise, from planning to execution.
Who We Are
Nexa Mandiri Group is a premier construction and engineering firm dedicated to transforming visions into enduring realities.We support owners from early planning through project completion by integrating practical planning, cost estimation, procurement coordination, supervision support, and construction execution.
Core Services
Our comprehensive suite of services covers every phase of the project lifecycle, from initial concept to final handover.
Project Development & Consultancy
We support project development from the early stages through needs assessment, planning, budget and cost estimation, BOQ and tender support, vendor evaluation, and value engineering.
Project Management & Supervision
We support project management through coordination, schedule and cost monitoring, progress reporting, quality and site supervision, and change and handover coordination.
Construction & Fit Out
We deliver construction and renovation works, covering civil and architectural works, interior and fit-out, finishing, glass and aluminium works, and supporting infrastructure.
Procurement & Material Supply
We support procurement through construction material sourcing, supplier comparison, procurement coordination, vendor management, and project-based material supply.
THE NEXA WAY
A clear process creates better project decisions.
DISCOVER
Objectives, budget, timing
DEFINE
Requirements, scope, risks
PLAN
Drawings, cost plan, schedule
VALIDATE
Buildability, feasibility, risks
EXECUTE
Construction, contractor coordination
CONTROL
Cost, schedule, quality, safety
DELIVER
Testing, handover, close-out
SUPPORT
Warranty, maintenance, future development
Founder & Project Leadership
Hands-on judgement across planning and execution.
Herman Cahyadi
Herman brings hands-on experience across construction planning, estimating, procurement, coordination, and project execution in the Riau Islands.
His professional exposure includes educational facilities, industrial works, infrastructure, hospitality developments, retail fit-outs, structural works, and aluminium and glazing packages.
He established Nexa to bridge planning decisions and on-site execution through practical, transparent project leadership.
Trusted by industry leaders across multiple sectors.
Registered Company Information
Official registration and corporate details of PT Nexa Mandiri Group.
Corporate Registration
PT Nexa Mandiri Group is an Indonesian limited liability company established in 2026 and registered to provide construction, project consultancy, material supply, and related project support services.
Based on the company's available registration records.
Ready to build your next project?
Contact us to discuss your project requirements and find out how we can help.