QS

Quantity Surveying & Project Management Consulting

Supported by a team with over 60 years of accumulated local and international experience, both as contractor agents and as professional consultants representing developers, with the capacity to undertake construction projects of all sizes.

Prime Cost site team
QS

Cost Excellence, Accuracy & Integrity

We provide a full system of budget estimating and cost planning to control expenditure, ensuring the client receives better value-for-money in both design and construction, and that project cost is kept within the agreed budget.

Construction budget estimate beside a safety helmet
PM

Project Success, Value Delivered

Our project management is centered on strong management practice, good planning, control, coordination and leadership, to bring the drawing-board concept to reality on time, within budget and to the required standard.

Construction project delivery
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Quantity Surveying

We provide a range of professional Quantity Surveying services tailored to meet our clients' requirements, delivered across the pre-contract and post-contract stages of a project.

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Project Management

Our project management practice is centered on strong management, good planning, control, coordination and leadership, to ensure that successful projects are brought from concept to reality on time, within budget and to the required standard, and that the benefits envisaged in a project are realized.

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Prime Cost Ltd office
Quantity surveying team
Construction project management
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About Us

About Prime Cost Ltd

In September 2026, Hannah Gathura, former Partner at Barker & Barton (Kenya) LLP, and Jensdy Muriithi, former Principal at Meticular Consultants Ltd, joined forces with Evans Simiyu, Principal at Prime Cost Ltd, to establish a single, full-service Cost Management and Project Management consultancy. This collaboration brings together a deeper bench of experience, capacity, and reach.

The principals share a strong history in the construction and building sector, having earned their reputation through notable achievements in the industry and an unwavering commitment to delivering on their promises. Supported by a team with over 60 years of accumulated local and international experience, both as contractor agents and as professional consultants representing developers, with the capacity to undertake construction projects of all sizes.

The combined firm's primary aim is to provide high-quality, comprehensive, and personalized Quantity Surveying and Project Management services, assuring clients value for money by ensuring every project entrusted to them is managed effectively and in the most cost-effective manner possible.

60+
Years Combined Experience

Post-registration experience across Kenya, East Africa, Seychelles and the Cayman Islands.

35+
Featured Projects

Offices, healthcare, retail, education, residential, hospitality and industrial projects.

Our Vision

To be the most trusted, most recognized and most professional Quantity Surveying and Project Management partner servicing the construction disciplines in Eastern & Central Africa, delivering best-in-class services to individuals and organizations with exceptional expertise and a passion for client satisfaction.

Our Mission

To continuously provide value and increase client profitability as a professional Cost Consultancy and Project Management firm, guaranteeing contractual compliance through professional experience, and upholding excellent performance, professionalism and unquestionable integrity.

Our Core Values
Integrity

We are deliberate and unapologetically honest and ethical in all our actions. We keep our commitment and treat others with mutual respect and trust.

Excellence

We believe that if any assignment is worth doing, then it must be done well. In all areas of our business, we strive to achieve excellence.

Innovation

We continually look for creative, new or better ways to apply our expertise to all dimensions of our work.

What We Do

Services Offered

Quantity Surveying

We analyze investments and developments for the guidance of our clients, working through a structured pre-contract and post-contract process. With sound preliminary cost advice, a realistic budget is prepared, incorporating feasibility studies that establish the parameters of the budget.

Project Management

Coordinating the design team through the pre-tender stage to secure approved drawings meeting the client's brief; through the tendering stage to vet, select, negotiate and approve the right construction companies and specialty sub-contractors; and through the post-contract stage to ensure progress on site follows the approved programme of works.

Email Address
Office Address
  • G4 SUITE, GROUND FLOOR, KAREN PROFESSIONAL CENTRE, KAREN ROAD
Contact Prime Cost Ltd
Contact Us

Let's Build Something Worth Measuring

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Years Combined Experience

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Featured Projects

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Countries Worked In

Testimonial

Why people love Prime Cost Limited

Client

Prime Cost Limited exceeded my expectations! Their commitment to delivering high-quality construction projects with precision and within the stipulated timelines is truly commendable.

Sidian Bank project by Prime Cost Ltd
Property Developer

I've collaborated with Prime Cost Limited on multiple projects, and their expertise in quantity surveying and project management has been invaluable. They are a reliable partner for any construction venture.

Nyahururu project by Prime Cost Ltd