Quantity Solutions Inc. was established in 2008 with a vision to create a Filipino engineering company that will serve local and international projects. It was established by Engr. Rynor G. Jamandre, a board topnotcher in Civil Engineering and one of the few Filipinos who is a certified member of the London-based Royal Institution of Chartered Surveyors (RICS) and Engr. Tim Cleveland, a US Military Engineer based in Washington.

QSI now employs over a hundred professionals after less than a decade of operations. It upgraded itself into a recognizable brand by implementing ISO 9001:2015 quality systems in 2018. Since its inception, it has completed more than 600 projects, mostly from notable developers in the Philippines and abroad.

After 15 years in the quantity surveying industry, Quantity Solutions Inc. has gained valuable experience and expertise in delivering high-quality engineering solutions. Our content reflects our commitment to excellence and dedication to providing our clients with top-notch services.


To be the preferred Cost Estimating and Project Management Consultancy Company adhering to the highest form of engineering standards while providing cost-effective technology - based solutions to construction projects worldwide.


Quantity Solution Inc.


The Company is founded on the value of integrity in all aspects of its operations. Employees are required to comply with integrity checks to ensure honest and credible services.

Quantity Solution Inc.


The Company provides opportunities to the employees to become stakeholders of the company and continue to develop their technical & management skills.

Quantity Solution Inc.


The Company focuses on research & development driven by the innovative ideas of the employees.

Quantity Solution Inc.


The employees adhere to the highest standard of estimating practices to maximize returns to our clients and ensure successful completion of projects.


Quantity Solution Inc.



QSI has made an incredible run in the last 15 years, completing over 650 projects that generated jobs across the country. Our significance is in the success of our customers. We have seen them grow their business using our insights on cost planning and management.

Integrity and people empowerment has helped establish our company’s culture. I see that as the foundation that this organization will build on as we become bigger, stronger, and more valuable in the marketplace. We are still on track to building a world-class engineering company that champions Filipino engineers and professionals across the globe.



We started as a consultancy company and evolved into a bigger role as partners for development. Our Create Build Multiply program is a big differentiator in the industry. We have built our own proof of concepts, started new companies, and grew them as a testament to our ability to plan and create opportunities. We have built what we planned and have elevated ourselves higher than our roles, from consultants to project co-creators. We are set for the bigger stage and that excites the whole organization of its future.

When the pandemic came, we didn’t let go of anyone in the organization. Everyone contributed so that we could all survive as a team. When you take care of your people, they take care of your customers and customers take care of your profits to fuel the organization. We can’t talk about customer satisfaction without satisfying our people first.

Quantity Solution Inc.
Quantity Solution Inc.



Mr. Jamandre is a civil engineer with 20 years of construction estimating experience from well-known local companies such as DM Consunji, Ayala Land and Pacific International. He has also completed various multi-million dollar projects abroad mainly from the US Department of Defense and US Federal Aviation Administration. He placed 9th in the 1998 Civil Engineering Licensure Exams. He is a professional member of the Royal Institute of Chartered Surveyors and a member of the American Society of Professional Estimators.

Some of the notable projects he has completed are the following: Serendra Phase 3, Verdana Homes and Celadon Residences with Ayala Land Inc.; Rockwell Center and International School of Manila with DM Consunji Inc., Bellevue Bohol, Two Seasons Palawan, Alveo Headquarters, Forbes Media Tower, Amata Kabua International Airport in Marshall Islands;; US Naval Support Facility in Diego Garcia, U.S. defense projects in Kyrgyzstan and Burj Vista in Dubai just to name a few.

Quantity Solution Inc.



The organization’s desire to create value in the industry impacts the lives of millions across the country. We ensure that projects are successful so that it fuels the economy. Each project is unique and offers new learnings. Each project provides a plethora of insights that is collated into a databank of key performance indices that is valuable in creating new projects.

Our ability to plan on new projects even before drawings are made is drawn from these insights.

Quantity Solution Inc.

Quantity Solutions Inc. maintains a third-party certification of our core activities to ISO 9001:2015. We manage our quality management system through our internal quality assurance team which maintains the orderliness and compliance of all employees in the company.

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