Because reputations matter

Greenbrook specialises in communications for financial organisations and investment firms, most notably private equity companies and hedge funds. Greenbrook also has extensive expertise in managing special situations, advising companies and individuals who face unusual or challenging reputation issues.

We work with dedication and discretion, providing clients with bespoke communications advice to support their business objectives.

Specialist communications advisers

Investment Firms
Greenbrook specialises in communications for financial organisations and investment firms, most notably private equity companies and hedge funds. A deep understanding of the complexities and nuances of these industries is integral to delivering the most valuable advice. Greenbrook advises clients on fund launches and closures, fundraisings, deal transactions, portfolio company situations, activist investment campaigns, financial restructurings, regulatory issues and succession planning.

Special Situations
With extensive experience working across sectors and with high profile organisations, Greenbrook provides advice to companies and individuals who face unusual or challenging reputation issues. Greenbrook is highly experienced in managing communications for litigious situations.

Specialist and sophisticated
communications advice

Greenbrook offers sophisticated communications advice based on considerable experience, most notably in the investment sector, and proprietary research tailored to fully address the complexities of each situation.

By preparing thoroughly, we maintain the ability to respond swiftly to unexpected developments. This approach significantly mitigates levels of reputational risk.

We manage our clients’ global reputations from London, where the majority of European investment media groups are based. In situations where local expertise is required, we have established working relationships with an international network of leading independent communications firms and professionals. We are well-practiced at managing an international network of agencies for a number of our clients.

Specialist communications advisers

Greenbrook is specialised in managing reputations for investment firms, most notably private equity and hedge funds. Greenbrook also provides advice to companies and individuals who face unusual or difficult reputational issues.

Greenbrook offers comprehensive communications services to support financial transactions, both domestic and cross-border. We have co-ordinated international communications campaigns for numerous multi-billion dollar acquisitions and disposals.

Greenbrook offers leading expertise in managing communications for capital raising efforts across asset classes, devising strategies to support the investment case throughout the process. The team has advised on some of the most successful private equity fundraisings since the financial crisis.

Special situations
Greenbrook is experienced in managing unusual or challenging reputation issues related to companies and individuals. Our senior team has extensive experience managing communications for high profile crisis situations.

Fund launches
Greenbrook has managed the communications for a number of the most successful private equity and hedge fund launches since the financial crisis. We are highly experienced in managing international launch strategies for funds of all sizes and across all sectors. We have also advised on a number of high profile fund and firm closures.

Private companies
Greenbrook is highly experienced in assisting non-listed companies with specific communications issues, including acquisitions, disposals, management change, financial restructurings, recapitalisations and crises. We are often separately mandated by our private equity clients’ portfolio companies and our deep understanding of the ownership structure enables us to offer specialised advice to these businesses.

Activist campaigns
The Greenbrook team is experienced in managing communications for activist campaigns. These situations require a specialised understanding of the media and shareholder communications. The team are experienced in representing both the activist and the target company.

Succession planning
Long-term succession planning is increasingly important for today’s investment firms. Greenbrook has assisted in strategising and planning for a number of the most high profile succession situations in the industry.

Regulatory and litigation issues
We have advised on a wide variety of regulatory and legal issues, including FCA and SFO investigations, leading civil and criminal cases, judicial inquiries and defamation issues.

The senior team

Andrew Honnor

Andrew Honnor
Managing Partner

Andrew, Greenbrook's Managing Partner, founded the firm and brings over 20 years of financial, corporate and political communications experience to Greenbrook. He started his career working on political campaigns in both the UK and United States and was formerly a UK Government Special Advisor.

Over the last two decades he has worked on numerous communications campaigns and advised firms including British Airways, Goldman Sachs, RBS and News Corporation. Andrew has developed leading expertise in advising global investment businesses on all areas of communications and risk management.

He is an expert on issues such as exit and investment activity, fundraising, partnership issues, advice to portfolio companies, tax investigations, judicial inquiries, and civil/criminal proceedings.

Prior to founding the business in February 2012, Andrew was a member of the Executive Committee at News International, advising the company following the phone hacking crisis.

Charlotte Balbirnie

Charlotte Balbirnie

Charlotte has over 13 years’ experience in financial and corporate communications.

Previously, she worked at M:Communications where she focused on reputation management, litigious situations, issues management, transactions, corporate governance and digital communications.

She has advised a broad range of both private and listed companies in the UK and internationally. Her sector experience is diverse, with a focus on financial services, asset management, investment banking and corporate finance.

Prior to this, Charlotte worked at Bell Pottinger’s Corporate & Financial practice.

Georgiana Brunner

Georgiana Brunner

Georgiana brings over a decade of experience in corporate, consumer and financial communications. She previously held a senior position within the communications team at leading private equity firm Apax Partners, where she was responsible for internal and external communications globally.

Prior to this, Georgiana was a Director at PR agency Citigate Dewe Rogerson, advising a broad range of clients from start-ups to multinationals. Her sector experience is wide, having worked with blue-chip clients in the private equity, corporate finance, financial services, professional services, fund management and technology industries.

She also has significant crisis communications and issues management experience, handling situations for both b2b and consumer-focused clients over the years.

Matthieu Roussellier

Matthieu Roussellier

Matthieu joined Greenbrook from the leading private equity firm Permira, where he was a member of the External Affairs Team with responsibility for communications across Europe, Asia and North America. He has strong experience of all aspects of financial and corporate communications including transactions, fundraising, issues management, marketing, digital media and internal communications.

Prior to joining Permira, Matthieu worked for a financial communications firm in London.

He started his career in political communications and holds an MPhil in Politics from Oxford University.

To get in touch

Phone: +44 207 952 2000 (24hr number)


7-8 Stratford Place,

Nearest tube: Bond Street Station

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