# Selfinvest

Selfinvest is a Single Family Office based in Middelfart, Denmark.

## Overview

- **Organization type:** Single Family Office
- **Headquarters:** Middelfart, Denmark
- **Region:** Europe
- **Address:** Middelfart, Denmark
- **Founded:** 1990
- **Assets under management:** 3772 (Altss estimate)
- **Website:** selfinvest.dk
- **LinkedIn:** https://dk.linkedin.com/company/selfinvest-group

## Regulatory record

- **Reports private funds:** No

## About

Selfinvest was established in 1990 by Torben Østergaard-Nielsen in Middelfart, Denmark. The underlying wealth stems from his founding of businesses in maritime fuel supply and logistics. Family members Nina Østergaard Borris and Mia Østergaard Rechnitzer each hold one-third ownership alongside their father. The firm deploys capital through direct equity positions, real estate and infrastructure. Asset classes include private equity buyouts and growth investments, real estate holdings such as the Stensgårdvej development and Middelfart waterfront projects, and collectibles via the Selected Car Collection. Confirmed positions include USTC Group and Selected Car Group. Geographic focus remains Europe with additional exposure through EQT fund commitments. Mikkel Hammershøj serves as CEO. The office maintains a team that provides governance, capital allocation and estate services. Additional vehicles include Fjordfonden. Nina Østergaard Borris also serves as CEO of USTC Group. No operational events from the last 24 months appear in available records. Selfinvest maintains direct ownership of operating companies rather than relying solely on external managers. Family members occupy senior roles at USTC Group, creating an integrated governance structure between the family office and its primary industrial holdings.

## Sectors

- PropTech
- Supply Chain & Logistics
- Mobility & Transportation
- Luxury
- Circular Economy
- Energy Transition & Renewables

## People

- Torben Østergaard-Nielsen — Founder and Working Chairman of the Board
- Mikkel Hammershøj — CEO

## Questions

### Who runs investment decisions at Selfinvest?

Torben Østergaard-Nielsen serves as Founder and Working Chairman. Mikkel Hammershøj acts as CEO. Nina Østergaard Borris and Mia Østergaard Rechnitzer participate as co-owners with governance roles at USTC Group.

### How is Selfinvest related to USTC Group?

Selfinvest holds controlling equity in USTC Group. Nina Østergaard Borris serves as CEO of USTC and Mia Østergaard Rechnitzer as Chief Governance Officer while both act as co-owners of Selfinvest.

### Does Selfinvest participate in fund commitments or only direct deals?

Selfinvest makes direct equity investments and holds positions in EQT funds, including the 2016 vintage. It also executes real estate and infrastructure transactions directly.

### What investment stages does Selfinvest typically target?

The firm targets buyout and growth stages through direct co-investments and SPVs.

### Does Selfinvest maintain philanthropic structures?

Yes. The firm supports Fjordfonden and Ølst Borgerforening.

### What sectors does Selfinvest focus on?

Focus areas include PropTech, Supply Chain & Logistics, Mobility & Transportation, Luxury, Circular Economy and Energy Transition & Renewables.

## Related profiles

- [Massena Capital Partners](https://altss.com/profile/massena-capital-partners)
- [Sanctum Investment Management](https://altss.com/profile/sanctum-investment-management)

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Last updated: 2026-08-10T15:54:10.904Z

Canonical page: https://altss.com/profile/selfinvest

Maintained by Altss — https://altss.com — methodology: https://altss.com/methodology