| Build One South Africa | |
| Abbreviation: | BOSA |
| Leader: | Mmusi Maimane |
| Leader1 Title: | Deputy Leader |
| Leader1 Name: | Nobuntu Hlazo-Webster |
| Leader2 Title: | Chief Executive |
| Chairperson: | Khusta Jack |
| Split: | Democratic Alliance |
| Spokesperson: | Sbu Zondi |
| Founder: | Mmusi Maimane Nobuntu Hlazo-Webster Hlumelo Biko |
| Headquarters: | Sandton, Johannesburg |
| Ideology: | Liberalism[1] Ubuntu[2] |
| Position: | Centre |
| Seats1 Title: | National Assembly |
| Seats2 Title: | National Council of Provinces |
| Seats4 Title: | Provincial Legislatures |
| Website: | https://www.bosa.co.za |
| Country: | South Africa |
Build One South Africa (BOSA), officially registered as Build One South Africa With Mmusi Maimane,[3] is a South African political party. It is led by Mmusi Maimane, the leader of the One SA Movement and the former leader of the Democratic Alliance. BOSA secured two parliamentary seats in the National Assembly at the 2024 National and Provincial Elections.
The party was launched on 24 September 2022 in Naledi, Soweto.[4] The deputy leader is Nobuntu Hlazo-Webster, founder and convener of the South African Women’s Commission. The chairperson of the party is the current Nelson Mandela Bay deputy mayor Mkhuseli Jack.
The party contested its first by-election in October 2023, winning 1% of the vote in the ward one election in Sol Plaatje Local Municipality.[5]
The party contested the 2024 general election as an "umbrella organisation" for independent candidates.[6] Maimane stood as the party's presidential candidate in the elections.[7] The party received around 0.4% of the national vote in the election.[8]
|-! Election! Party leader! Total votes! Share of vote! Seats! +/–! Status|-! 2024| Mmusi Maimane| 65,912| 0.41%| | New| |}
|-! Election! Total # of
seats won! +/–! Government|-! 2024| | | |}
! rowspan=2 | Election[9] ! colspan=2 | Eastern Cape! colspan=2 | Free State! colspan=2 | Gauteng! colspan=2 | Kwazulu-Natal! colspan=2 | Limpopo! colspan=2 | Mpumalanga! colspan=2 | North-West! colspan=2 | Northern Cape! colspan=2 | Western Cape|-! % !! Seats! % !! Seats! % !! Seats! % !! Seats! % !! Seats! % !! Seats! % !! Seats! % !! Seats! % !! Seats|-! 2024| 0.18 || 0/73| 0.35 || 0/30| 0.76 || 1/80| 0.13 || 0/80| 0.26 || 0/64| 0.19 || 0/51| 0.44 || 0/38| 0.25 || 0/30| 0.41 || 0/42|}