After obtaining his bachelor's degree, Villar began his professional career working as an accountant for Sycip, Gorres, Velayo & Co. (SGV & Co), the country's largest accounting firm [REF].
In 1975, with an initial capital of ₱10,000, Villar purchased two reconditioned trucks and started a business delivering sand and gravel for construction companies in Las Piñas [REF].