Insights

Public Relations Strength Greenbrook is a specialized independent strategic communications firm with strong credibility in investment, corporate, and high-stakes risk situations, suggesting demand for premium reputation management, crisis communications, and investor relations services.

Global Recognition The firm is consistently ranked among top advisors in Europe and the US, and highly placed in M&A and activist activism leagues, indicating potential cross-border and high-profile client opportunities looking for trusted, award-winning counsel.

Tech Backbone Adoption of modern tech stack including LinkedIn Ads, AWS, Webflow, and KnowBe4 implies readiness to scale digital outreach, security awareness, and client-facing platforms—a lead-in for offering advanced martech, cyber awareness, or cloud-based collaboration solutions.

Leadership Moves Recent executive appointments such as CFO and independent director additions signal growth and governance strengthening, suggesting opportunities for financial communications, investor relations enhancements, and governance-related advisory services.

Market Positioning Strong focus on investment industry clients with deep sector knowledge and notable deal experience (over $90B in advisory work) points to upsell potential in specialized financial communications, crisis management, and stakeholder engagement for asset managers, banks, and sovereign entities.

Similar companies to Greenbrook

Greenbrook Tech Stack

Greenbrook uses 8 technology products and services including LinkedIn Ads, Amazon Web Services, cdnjs, and more. Explore Greenbrook's tech stack below.

Media & News

Greenbrook's Email Address Formats

Greenbrook uses at least 3 email formats:
Greenbrook Email FormatsExamplePercentage
FLast@greenbrookpr.comJDoe@greenbrookpr.com
97%
First.Last@greenbrookpr.comJohn.Doe@greenbrookpr.com
3%
FLast@greenbrookadvisory.comJDoe@greenbrookadvisory.com
100%

Frequently Asked Questions

What is Greenbrook's stock symbol?

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Greenbrook is a publicly traded company; the company's stock symbol is GBNH.

What is Greenbrook's official website and social media links?

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Greenbrook's official website is greenbrookadvisory.com and has social profiles on LinkedIn.

How much revenue does Greenbrook generate?

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As of October 2026, Greenbrook's annual revenue is estimated to be $25M - $50M.

What is Greenbrook's NAICS code?

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Greenbrook's NAICS code is 54182 - Public Relations Agencies.

How many employees does Greenbrook have currently?

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As of October 2026, Greenbrook has approximately 40 employees across 3 continents, including Europe, Asia and North America. Key team members include Chief Operating Officer: S. K., Managing Partner: A. H. and Partner: B. T. Explore Greenbrook's employee directory with LeadIQ.

What industry does Greenbrook belong to?

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Greenbrook operates in the Public Relations and Communications Services industry.

What technology does Greenbrook use?

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Greenbrook's tech stack includes LinkedIn Ads, Amazon Web Services, cdnjs, Microsoft 365, Webflow, Lua, KnowBe4 and Nginx.

What is Greenbrook's email format?

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Greenbrook's email format typically follows the pattern of FLast@greenbrookpr.com. Find more Greenbrook email formats with LeadIQ.
Greenbrook logo

Greenbrook

Public Relations and Communications ServicesEngland, United Kingdom11-50 Employees

Greenbrook is an independent strategic communications firm based in London that helps clients navigate business decisions through a focus on reputation. The company provides advice and execution to help individuals and organizations achieve their key objectives, with particular depth in the investment sector. It also counsels corporates and entrepreneurs facing high-stakes situations.

Bloomberg recognizes Greenbrook as a leading strategic communications adviser to engaged shareholders in Europe and the United States. In the area of mergers and acquisitions communications, Mergermarket ranks the firm among top advisers for Europe, the UK, and the Nordics, and the firm operates from a London base with a mid-sized team.

Section iconCompany Overview

Stock Symbol
GBNH
NAICS Code
54182 - Public Relations Agencies
Employees
11-50

Section iconFunding & Financials

  • $25M - $50M

    Greenbrook's revenue is estimated to be in the range of $25M - $50M

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