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COLD START / catalog / c/unity-advisoryretrieved 2026-09-17T20:03 UTC · 18 sources read

Unity Advisory

Unity Advisory is a London-based CFO advisory firm providing AI-powered services to private equity-backed and upper mid-market businesses.

unity-advisory.com · London

CALL NO.CS·UNITY-ADVISORY·26
StageGrowth CapitalJuly 2025 · led by Warburg Pincus[1][2][3][4][5][6][7][8]
Raised$300Mdisclosed rounds[1][2][3][4][5][6][7][8]
Headcount111as of Sep 2026[9]
Valuationnot publicly disclosedno source in ledger
Founded2025[1][2][6]
Money

Raised $300M across disclosed rounds.[1][2][3][4][5][6][7][8]

Growth Capital closed July 2025, led by Warburg Pincus.[1][2][3][4][5][6][7][8]

post-money valuation is not publicly disclosed.

Named investors include Warburg Pincus.[1][2][3][4][5][6][7][8]

People

Marissa Thomas, CEO[1][6][7][8][10][11][12][13][14][15]

Steve Varley, Chairman[1][6][7][8][10][11][12][13][14][15]

David Tapnack, Managing Partner[1][7][10][11][12][13][14][15]

Marc Lien, Chief AI Officer & Board Director[1][7][10][11][12][13][14][15]

Richard Rollinshaw, Founding Partner, Deals Partner[1][7][10][11][12][13][14][15]

Pippa Dussuyer, Founding Partner, Deals and Value Capture[1][7][10][11][12][13][14][15]

Natalia Taylor, Founding Partner[1][7][10][11][12][13][14][15]

Hugo Lynn, Senior Manager, Deals Advisory[1][7][10][11][12][13][14][15]

Emma Simmons, Senior Manager[1][7][10][11][12][13][14][15]

Signals
Jul 9 2025fundingKirkland Advises Warburg Pincus on Launch of Unity Advisory[3][4]
Jun 30 2025fundingWarburg Pincus Announces Partnership with Marissa Thomas and Steve Varley to Launch Unity Advisory, a Next-Generation CFO Advisory Firm[1]
Jun 30 2025fundingPrivate Equity Firm Invests in New UK Consultancy (Correct)[2]
Jun 29 2025fundingUnity Advisory secures $300m war chest to fight Big Four[5][7]
Apr 29 2025fundingBig Four challenger Unity Advisory launches with backing of private equity[8]
Apr 24 2025fundingFormer EY and PwC bosses launch UK boutique targeting Big Four clients[6]
Comps

PwC · pwc.com · same workflow; Unity Advisory founders are former PwC partners; Unity Advisory aims to challenge the Big Four.[1][6][7][8][10][12]

EY · ey.com · same workflow; Unity Advisory founders are former EY partners; Unity Advisory aims to challenge the Big Four.[1][6][7][8][10][14]

KPMG UK · kpmg.com/uk · same workflow; Unity Advisory aims to challenge the Big Four.[8][15]

Deloitte · deloitte.com · same workflow; Unity Advisory aims to challenge the Big Four.[8]

Investor Lens
Why care
The case
What to learn next
Pay attention to
How it wins

Filled in the side panel for invited readers. This card carries sourced facts only.

Sourcestracings · 18

Sep 2026 · news.bloombergtax.com

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Sep 2026 · unity-advisory.com

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Unity Advisory

CALL NO.CS·UNITY-ADVISORY·26

Unity Advisory is a London-based CFO advisory firm providing AI-powered services to private equity-backed and upper mid-market businesses.

unity-advisory.com · London

StageGrowth Capital
Raised$300M
Headcount111
Valuationnot publicly disclosed
Founded2025
CompsPwC +3