We Are Trustworthy
PREMIUM SERVICE
We make no compromise over the quality of our work, keeping highest service standards
OUTSTANDING EXPERTISE
We demonstrate excellence with high-end service & outstanding market reputation
CUSTOMIZED SOLUTIONS
We customize solutions. Each client is a special partner, we make sure to tailor-make the solutions that suits them best
OUT-OF-THE-BOX THINKING
We follow a holistic approach, going beyond the conventional glass ceiling and offering smart innovative solutions
What We Do
We are your reliable partner in developing business, managing operations, designing sustainable solutions, elevating performance, and building capacity.
We help you achieve greener designs, run more sustainable business, and operate an environment-friendly processes
Energy & Thermal Modelling
Solar Design & Optimization
WASH & WATSON Design & Simulation
Environmental & Feasibility Analysis
Power Quality Logging & Analysis
Combustion Analysis & Optimization
Lighting Performance Modelling
Compressed Air Optimization
Principal Consultant
NADER HAJJ SHEHADEH
ENERGY & SUSTAINABILITY SPECIALIST
PGDip, MBA, MSc, BE
Nader is the Founder and Managing Director of OTB Consult. He is the Principal Consultant and the lead energy and sustainability specialist.
Nader is an energy engineer by training. He is a recognized energy consultant and trainer with 13+ years of consultancy experience in sustainability, extending through energy & carbon audits, energy efficiency & renewable energy, and sustainable design services.
