Quantity Surveyor
Qs. Mark Ombwayo
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Experience 15 Years
Bio
With over 15 years of professional experience in quantity surveying and construction cost management, Qs. Mark Ombwayo brings deep expertise in financial planning, procurement support, and contract administration across a wide range of construction and infrastructure projects. His career spans residential, commercial, institutional, and industrial developments, where he has consistently supported clients, consultants, and contractors in achieving cost certainty, financial transparency, and value-driven project delivery.
He plays a critical role in guiding projects from early feasibility through to final account closure, ensuring that cost decisions are technically sound, commercially fair, and aligned with project objectives. His experience allows him to anticipate financial risks early, advise on cost-saving opportunities without compromising quality, and support informed decision-making at every project stage.
Professional Expertise in Cost Planning, Procurement & Tendering
Mark is highly skilled in pre-tender cost planning and procurement support, where early financial clarity is essential to project success. He prepares detailed bills of quantities, cost plans, engineer’s estimates, and tender documentation that provide a clear commercial framework for competitive and transparent procurement. His work ensures that project budgets are realistic, well-structured, and aligned with design intent and market conditions.
He has extensive experience managing tender processes, including issuing tender documents, responding to bidder clarifications, evaluating contractor submissions, and preparing comprehensive tender evaluation reports. Through careful analysis of technical and financial proposals, he supports clients in selecting contractors who offer both value for money and delivery capability. His negotiation skills enable him to help secure fair contract terms, reasonable pricing, and balanced risk allocation, contributing to smoother project mobilisation and execution.
Beyond tender award, he supports project teams with financial forecasting and cash flow projections, helping clients plan funding requirements, manage expenditure timelines, and avoid cash flow constraints that could disrupt construction progress.
Contract Administration, Cost Control & Commercial Management
In contract administration, Mark provides disciplined financial oversight throughout the construction phase. He manages interim valuations and payment certifications, assesses variations and change orders, reviews contractor claims, and monitors project financial performance against approved budgets and cost plans. His structured approach ensures that all financial adjustments are properly documented, justified, and aligned with contractual provisions.
He brings strong analytical capability to cost reporting and commercial monitoring, enabling early identification of potential overruns, cost drift, or contractual risks. By maintaining accurate cost records and regular financial reporting, he helps clients maintain visibility and control over project expenditure, supporting timely corrective action where required.
Mark also plays a valuable role in claims management and dispute support, providing objective commercial input, contract interpretation, and documentation to support fair resolution of disagreements. His strong understanding of standard forms of contract and construction law principles allows him to promote compliance, transparency, and professional accountability across all parties involved in the project.
Committed to accuracy, integrity, and professional excellence, Qs. Mark Ombwayo consistently contributes to effective cost control, robust contract management, and the successful delivery of high-quality construction projects. His work supports predictable financial outcomes, reduced commercial risk, and improved confidence for clients navigating complex construction environments.
