Wawao Builders is a Philippine construction contractor that has recently drawn national attention for its participation in government flood-control projects.
As of April 2025, the firm operates as Wawao Builders Corp. and is majority-owned by Mark Allan Arevalo, who publicly stated that Wawao began as his sole proprietorship in 2017 before being converted into a corporation.
During a Senate Blue Ribbon Committee inquiry on alleged “ghost projects,” Arevalo identified himself as the company’s owner and later invoked his right against self-incrimination when pressed on specific project questions.
Ownership Status of Wawao Builders
| Shareholder / Owner | Ownership Percentage | Notes |
|---|---|---|
| Mark Allan Arevalo | 70% | Majority owner of Wawao Builders Corp. (as of its April 2025 corporate change). |
| Jessica Aven Arevalo | 15% | Minority shareholder. |
| Eduardo Francisco Aven | 5% | Minority shareholder. |
| Jose Azul Garcillanosa | 5% | Minority shareholder. |
| Nathaniel Aven Barrosa | 5% | Minority shareholder. |
Notes: At a Senate hearing, Arevalo said Wawao started as a sole proprietorship (2017). In April 2025, the entity was renamed and structured as Wawao Builders Corp., with the cap table above. Earlier government contract documents list Mark A. Arevalo as General Manager representing Wawao Builders, underscoring his operational control even prior to incorporation.
About the Owner(s)
Mark Allan Arevalo (Majority Owner & President/CEO). Arevalo has been the public face of Wawao, appearing at the Senate Blue Ribbon proceedings in late August and early September 2025. News outlets report that he repeatedly invoked his right against self-incrimination when asked whether Wawao handled “ghost” flood-control projects identified by the administration for scrutiny. While those allegations are the subject of an ongoing probe, the ownership facts are clear: Arevalo holds 70% of Wawao Builders Corp. and previously ran Wawao as a sole proprietorship.
Minority shareholders. Filings and reporting identify Jessica Aven Arevalo (15%), and Eduardo Francisco Aven, Jose Azul Garcillanosa, and Nathaniel Aven Barrosa (each 5%) as co-owners after the April 2025 corporate change. Public reporting does not describe their day-to-day roles; operational leadership remains associated with Arevalo (President/CEO).
Wawao Builders Company Overview
Wawao Builders is categorized under Construction/Building/Engineering and holds a PCAB (Philippine Contractors Accreditation Board) license. Recruiter profiles list a Quezon City address (25A Reynaldo St., Reymar Subdivision), consistent with its operating footprint in Metro Manila and nearby provinces. Government contract paperwork also shows Arevalo signing DPWH civil-works contracts as Wawao’s representative.
From 2021 onward, the company’s presence in flood-control projects rose quickly. Media tallies presented to senators suggest Wawao went from one Bulacan award in 2021 to 15 contracts in 2022, eventually accumulating about 60 flood-control contracts worth ₱4.37 billion from 2022–2025, mostly in Bulacan. These figures are part of the record cited in news coverage of the Senate probe.
Recent Developments in Wawao Builders Ownership
The key ownership change is structural, not a transfer of control: in April 2025 the business was reconstituted as Wawao Builders Corp. with Mark Allan Arevalo owning 70% and four minority shareholders holding the balance, replacing the earlier sole proprietorship structure he said he launched in 2017. No other ownership changes have been reported since that conversion.
Separately, governance and compliance issues—not ownership—have driven headlines. On Sept. 1–2, 2025, multiple outlets covered Arevalo’s Senate appearance, where he invoked his right to avoid self-incrimination amid questioning about alleged “ghost projects.” Those reports do not indicate any change in equity control; they document an ongoing inquiry into project execution.
FAQs
Q: Who is the current owner of Wawao Builders?
Mark Allan Arevalo is the majority owner (70%) of Wawao Builders Corp. The remaining 30% is split among Jessica Aven Arevalo (15%) and three 5% shareholders (Eduardo Francisco Aven, Jose Azul Garcillanosa, Nathaniel Aven Barrosa).
Q: Is Wawao Builders publicly traded or privately owned?
It is privately owned. Wawao operated as a sole proprietorship (from 2017, per Arevalo’s account) and, in April 2025, was converted into a corporation with the ownership distribution shown above.
Q: Who founded Wawao Builders?
Arevalo says he founded Wawao in 2017 as a sole proprietorship before converting it into Wawao Builders Corp. in 2025. Earlier DPWH contract documents identify him as the firm’s General Manager.
Q: Has the ownership changed recently?
There has been a formal change of form (sole proprietorship → corporation) with the new cap table finalized April 2025. Control remains with Arevalo (70%). No subsequent ownership shifts have been reported.
Source: Bilyonaryo News
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