# Social Security Office

Social Security Office is a Pension Fund based in Nonthaburi, Thailand.

## Overview

- **Organization type:** Pension Fund
- **Headquarters:** Nonthaburi, Thailand
- **Region:** Asia
- **Address:** Nonthaburi, Thailand
- **Founded:** 1990
- **Assets under management:** Undisclosed
- **Website:** www.sso.go.th
- **LinkedIn:** https://www.linkedin.com/company/social-security-office
- **Wikidata:** Q43895152

## Regulatory record

- **Reports private funds:** No

## About

The Social Security Office offers assistance with social security benefits, medicare, disability benefits, and social security cards. It primarily serves individuals in need of these services. The company was founded in 2014 in Tampa, Florida, and was acquired by Website Closers in January 2024.

## Sectors

- Real Estate
- Infrastructure
- Private Credit

## People

- Boonsong Thapchaiyuth — Secretary-General

## Questions

### Who runs investment decisions at the Social Security Office?

The Secretary-General, currently Boonsong Thapchaiyuth, holds ultimate authority over both benefit operations and investment policy. Day-to-day portfolio management is delegated to an internal investment team, with external mandates awarded to Thai asset management firms supervised by the Office of the Securities and Exchange Commission. Major allocation shifts require board-level approval within the Ministry of Labour’s governance framework.

### How does the SSO’s investment mandate differ from the Government Pension Fund?

Both are public pension pools, but the GPF covers civil servants while the SSO covers private-sector employees under the Social Security Act. The GPF operates with greater autonomy and a more aggressive equity allocation. The SSO historically skews toward fixed income and real estate, reflecting a shorter perceived liability duration and closer ministerial oversight.

### Does the SSO invest directly in real estate or through funds?

The SSO holds direct commercial property, including the SKYY9 Centre on Rama IX Road, the TU Dome Residential Complex in Pathum Thani, and land in Chon Buri Province. It also commits to real estate funds managed by domestic asset managers, a structure that allows it to blend direct control with diversified exposure.

### Is the SSO a member of any regional or industry bodies?

Yes. It belongs to the ASEAN Social Security Association, which coordinates social security policy across Southeast Asia, and sits on the institutional investor steering committee of the Association of Investment Management Companies in Thailand.

### What are the demographic pressures facing the SSO portfolio?

Thailand’s workforce is aging rapidly, with the old-age dependency ratio projected to double by 2040. This means fewer contributors per beneficiary, placing strain on the fund’s ability to meet statutory payout ratios while maintaining long-term capital allocations to illiquid assets.

## Related profiles

- [Social Security Corporation](https://altss.com/profile/social-security-corporation)
- [Societe Generale Private Banking](https://altss.com/profile/societe-generale-private-banking-sgpb)

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Last updated: 2026-06-03T20:00:00.000Z

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