Andrew Honnor
Profile Verified by The Marque
Last Updated: 22 Sep 2026
Managing Partner
London, GB
Profile Verified by The Marque
Last Updated: 22 Sep 2026
THE MARQUE
In Their Own Right
Biography
Andrew Honnor is Managing Partner and Founder of Greenbrook, an independent strategic communications firm that advises clients on all aspects of their business through the lens of reputation.
Andrew brings over 30 years of financial, corporate and political communications experience. He started his career working on political campaigns in the UK and the United States, and was formerly a UK Government Special Advisor. Andrew has leading expertise in advising global investment firms and founders on all areas of strategic communications and reputation management. He is an expert on issues such as high-profile corporate and sovereign debt restructurings, creditor disputes, litigation, exit and investment activity, fundraising, cybersecurity, shareholder activism, partnership issues, advice to portfolio companies, tax investigations, judicial inquiries, and civil/criminal proceedings.
Prior to launching Greenbrook in 2012, Andrew was a member of the Executive Committee at News UK (News International), advising the company following the high-profile phone-hacking crisis. Andrew is a trustee of The Rainbow Trust Children’s Charity and is a Governor at Lambrook School.
Greenbrook holds leading rankings across all the disciplines in which it operates. It has advised on $78 billion of corporate and sovereign debt situations and is ranked as a top M&A communications advisor, placing 12th globally and 5th in the UK. Bloomberg has also ranked the firm as Europe’s leading advisor for engaged shareholder communications.
In 2020, 2021, 2022, 2023, 2025 and 2026, Andrew was named as one of the UK's Top 10 Reputation Managers by Spear's, the wealth management and luxury lifestyle media brand.
Educated at the University of Exeter, Andrew achieved a BA in History & Politics.
The Record
Background
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2012 — Present
Managing Partner
Greenbrook
Greenbrook Communications specialises in communication for investment firms and financial organisations, particularly for hedge funds and private equity companies. It provides specialist understanding and expertise in managing special situations, advising individuals and companies facing difficult or unusual reputational issues.
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2000 — 2011
Partner
Tulchan Communications LLP (Now Teneo Group)
Tulchan Communications is a strategic financial and corporate communications advisory firm. They provide clients with expert advice, helping them to build and protect their reputations with all stakeholders and have earned the trust of many of the world's leading companies.
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1994 — 2000
Associate Partner
Brunswick Group
Established in London in 1987, Brunswick Group has grown organically since it started and now has over 40 partners and over 125 client handlers. It has a global outlook and their integrated offer consists of corporate communications, strategic planning, financial communications, public affairs, employee engagement and crisis and cyber.
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1996 — 1997
Special Advisor to the Secretary of State, DCMS
UK Government
The Government of the United Kingdom, formally referred to as Her Majesty’s Government. Andrew was Special Advisor to The Secretary of State for Digital, Culture, Media and Sport.
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2011 — 2012
Interim Director of Corporate Affairs & Executive Committee member
News UK (News International)
News UK is a global media business focused on distributing and creating content that entertains, informs, educates and inspires others.
In The News
Newsfeed
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14 July 2026 · Proskauer
Private Market Talks: Communications as a Competitive Advantage with Greenbrook’s Andrew Honnor
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17 February 2026 · Spears500
Andrew Honnor, Spear's 500 Top Reputation Managers
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15 January 2026 · PR Newswire
Greenbrook: Digital strategy deployment accelerates
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14 November 2024 · Spear's
Private markets firms embrace social media to attract new-generation of investors
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12 November 2024 · PR Newswire
Greenbrook launches annual Private Markets Digital Report
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16 October 2024 · PR Week
Greenbrook hires ex-minister among new advisers
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18 June 2024 · PR Newswire
Greenbrook announces series of promotions and team expansion
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11 March 2024 · PR Newswire
Greenbrook strengthens digital expertise with new Head of Digital
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20 July 2023
Greenbrook tops Mergermarket's League Table for M&A communications in the UK and EMEA
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25 January 2023
Greenbrook ranked #2 M&A communications advisor in EMEA by Mergermarket
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6 January 2023 · Morningstar
Greenbrook ranked #1 by Bloomberg for engaged shareholder communications in Europe
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12 August 2021 · Real Deals
Q&A: Greenbrook
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Formative Years
Education
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University of Exeter
History & Politics
1989 — 1992
Areas Of Focus