Nikki da Costa

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Nikki Da Costa is a British political advisor and activist. She was a special adviser serving as the director of legislative affairs in 10 Downing Street for two Prime Ministers: Theresa May from September 2017 until November 2018, [1] and again for Boris Johnson from July 2019 to August 2021. [2]

In 2017 she established the legislative affairs unit to deal with the Conservative’s lost majority, factional Conservative party and to balance securing withdrawal in law from the European Union and a domestic legislative programme. [3] She stated the unit “serves a strategic purpose: to nurture the prime minister’s political capital, anticipate legislative hurdles, and proactively manage the government’s agenda”. [3] Further sources state the Legislative Affairs Unit “was responsible for ‘building bridges with the parliamentary party’ and planning the legislative timetable” [4]

She was also active in negotiating through parliament the EU Withdrawal Act 2018 coordinating agreements within Whitehall and Parliament. [5] Additionally, da Costa was heavily cited in the High Court case regarding the prorogation of parliament in 2019, having provided written advice [6] to the then Prime Minister Boris Johnson that the prorogation should take place. [7] She was named one of the 100 most influential women in the UK by The House in 2020. [8]

Between her stints in Number 10, da Costa worked in public affairs, through the Cicero Group. [9] Since leaving No 10 she has worked as a specialist partner with Flint Global lobbying firm and now is Director of Legislative Affairs at Hogan Lovells. [10] She alongside Mercy Muroki was an unpaid "Policy Fellow" to the Minister for Women and Equalities, Kemi Badenoch for 2023–24. [11] She was involved in contesting the Scottish Government’s Gender Recognition Reform Bill, providing reasons for intervention to the UK Government.

Da Costa has occasionally written op-eds and other articles reflecting on her time in government and giving advice. She wrote in The Times in January 2022 regarding Partygate that Number 10 had "failed as a collective" to follow the COVID-19 lockdown standards it had set. [12] [13] [14]

She was the Conservative candidate in North East Hertfordshire at the 2024 general election. [15] [16] She was defeated by Labour's candidate Chris Hinchliff. [17] Most recently she has been active campaigning against the Assisted Dying Bill, arguing the private members bill process to be an insufficient method to legislate for the issue.

References

  1. Cecil, Nicholas (2018-11-28). "Former Brexit legal chief Nikki da Costa reveals the reasons why she quit". Evening Standard. Retrieved 2024-04-13.
  2. "Da Costa, Nikki - Special Adviser, Prime Minister's Office- ACOBA advice". GOV.UK. 2021-11-03. Retrieved 2024-04-13.
  3. 1 2 "Letter of the law - why legislative affairs matter to Number 10". Politics Home. 2024-11-18. Retrieved 2025-07-13.
  4. Stafford, Max W. (2025-06-01). "The Downing Street Chief-of-Staff: a case study in political management". British Politics. 20 (2): 184–202. doi:10.1057/s41293-024-00256-3. ISSN   1746-9198.
  5. Editor (2018-12-13). "Government's Breakneck Timetable for Brexit Bill". Guido Fawkes. Retrieved 2025-07-13.{{cite web}}: |last= has generic name (help)
  6. https://www.supremecourt.uk/cases/docs/uksc-2019-0192-judgment.pdf
  7. Bowcott, Owen; Carrell, Severin (2019-09-05). "Government forced to reveal confidential memos on prorogation". The Guardian. ISSN   0261-3077 . Retrieved 2024-05-31.
  8. "Women in Westminster: The 100" (PDF). The House . March 2020. Retrieved 2024-04-13.
  9. Hickman, Arvind (23 July 2019). "Cicero's Nikki da Costa returns to Number 10; familiar Boris Johnson press aides predicted to follow". www.prweek.com. Retrieved 2024-04-13.
  10. "Outstanding new senior talent joining Flint". Flint Global. 2021-11-03. Retrieved 2024-04-13.
  11. "Former GB News host hired as UK Government adviser on race and gender". The National. 2023-01-13. Retrieved 2024-04-13.
  12. Costa, Nikki da (2022-01-31). "Nikki da Costa: No 10 failed us when we needed our leaders most". ISSN   0140-0460 . Retrieved 2024-04-13.
  13. Wright, Oliver (2022-01-31). "Former aide to Boris Johnson attacks No 10 over parties scandal". ISSN   0140-0460 . Retrieved 2024-04-13.
  14. "No 10 'vetoed bereavement bubbles' weeks before party on eve of Prince Philip funeral". Yahoo News. 2022-01-31. Retrieved 2024-04-13.
  15. Crick, Micheal (2024-06-01). "Twitter" . Retrieved 2024-06-10. NORTH EAST HERTFORDSHIRE (147th safest): it seems Nikki Da Costa has been picked as Conservative candidate.
  16. "General Election 2024: Conservatives select Nikki da Costa for North East Herts". The Comet. 2024-06-04. Retrieved 2024-06-10.
  17. "Hertfordshire North East | General Election 2024 | Sky News". election.news.sky.com. Retrieved 2024-07-05.