Siong Ong net worth
Quick answer
Siong Ong's estimated net worth is $7.5M (range $5.25M – $11.25M) as of 2026. Siong Ong is Founder at GraffitiGeo. GraffitiGeo valuation.
Siong Ong is Founder at GraffitiGeo (YC S09). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Acquired
- Region: Malaysia
- Industries: Consumer, Content
- Team size: 2
- Website: http://graffitigeo.com
Who is Siong Ong?
Siong Ong is a founder of GraffitiGeo, a startup that participated in Y Combinator's Summer 2009 batch.
About GraffitiGeo
At its core GraffitiGeo allows users to leave brief reviews of restaurants, or for those too lazy to do that, to simply leave a "thumbs up" or "thumbs down" — it's like a highly condensed version of Yelp, or a "Digg for the world". These reviews and votes can be cast from the site's iPhone app or from the service's homepage. The homepage also features a stream of the latest comments to come in from other users,...
FAQ: Siong Ong net worth and GraffitiGeo valuation
What is Siong Ong's net worth?
Siong Ong's estimated net worth is $7.5M (range $5.25M – $11.25M) as of 2026. Siong Ong is Founder at GraffitiGeo. Entrepreneurial Check publishes an independent model-based estimate from public company and role data. Not verified net worth, and Entrepreneurial Check is not affiliated with Y Combinator or the profiled companies.
What is GraffitiGeo valuation?
GraffitiGeo's estimated valuation on Entrepreneurial Check is $100.0M. That valuation, or a disclosed round when one is public, is the source for the paper-wealth estimate. Independent model output — not a verified appraisal or official mark.
What is Siong Ong's role?
Siong Ong is Founder at GraffitiGeo, a Y Combinator-backed startup (batch S09).