One United Properties is the leading green investor and developer of residential, mixed-use, commercial, and office real estate in Bucharest, Romania. The company is known under the high-end brand ONE, synonymous with quality, design, community, sustainability, and highly desirable locations. 

The company was established at the end of 2007 by Victor Capitanu and Andrei Diaconescu, following their successful exit from Capital Partners, an investment banking firm, which the founders sold to Banca Transilvania in 2016. From the business start in 2008 to the present day, the founders were involved in the company's day-to-day operations, serving as co-CEOs and Executive Members of the Board.

One United Properties' purpose is to improve existing and build new communities by developing quality, energy-efficient buildings, and to generate long-term value growth for the shareholders. One United Properties has pioneered the mixed-use development concept in Romania, being the most important player in this segment on the local market.

Over the years, the brand has grown organically and continued to bring the latest real estate trends to the local market, transforming abandoned areas of the city into dynamic communities. Locally, One United Properties is renowned for its premium residential developments, including boutique and exclusive residential communities such as One Peninsula, large-scale, high-rise developments like One Verdi Park, as well as mixed-use developments like One Floreasca City or One Cotroceni Park.

After developing a household name for premium residential real estate, One United Properties entered the office market in 2017, following the acquisition of One North Gate, and commercial (under the built-to-rent model) in 2022, after acquiring a majority stake in Bucur Obor. By the end of 2022, the commercial portfolio of One United Properties is estimated to reach almost 200.000 sqm, of which over 150.000 sqm of office portfolio.

All ONE buildings have superior certifications in sustainability, energy efficiency, and wellness, and the developer was awarded at numerous galas and conferences in the field, both internationally and locally. In addition, the company is a member of the Romanian Green Building Council (RoGBC), an organization promoting environmental responsibility and energy efficiency.

All residential developments of One United Properties are "Green Homes" certified by the RoBGC, while all office developments are WELL Health and Safety certified, which the most rigorous certification focused on employee wellbeing, as well as have LEED certifications. In 2021, One United Properties pledged that all the new office developments would meet the LEED Zero Carbon standards.

As of 2021, ONE invests in the restoration of historical landmarks, having acquired in 2021 Casa Braikoff (One Athénée) and in 2022, the first Ford Factory in Eastern Europe (One Gallery). Between 2022 and 2023, One United Properties targets investments of a minimum of 70 million euros in the urban regeneration of abandoned historical landmarks in Bucharest, to protect and regenerate the cultural heritage of Romania's capital.

Following a successful IPO completed in July 2021, One United Properties is a publicly quoted company, listed on the Main Market of the Bucharest Stock Exchange (BVB: ONE) and included in major global and local indices, such as BET, STOXX, as well as FTSE indices, including FTSE Russell Global All-Cap index that follows the most liquid shares in the world, and the FTSE EPRA Nareit EMEA Emerging index, which tracks the evolution of companies in the real estate sector in emerging markets. Due to the focus on liquidity, analyst coverage, and consistent results, the company is constantly included among the top 10 most traded issuers on the Romanian stock market.

To date, One United Properties carried out five capital increases, funded its development over the years through equity financing. Between 2021 and 2022, One United Properties raised over 100 million euros from Bucharest Stock Exchange investors, first in an IPO in July 2021, and later in an SPO, which took place between June and July 2022.

One United Properties has a strategic partnership with multi-award-winning interior design company Lemon Interior Design. The developer also has an architecture studio and holds engineering capabilities though X Architecture & Engineering, International Property Awards recipient.

The company is a member of the United Nations Global Compact, Romania Green Building Council, Association of Real Estate Investors, and AmCham.