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The Castle Group is an independent, women-owned public relations, marketing communications, crisis communications, and event management firm founded in 1996. They are known for providing strategic counsel and creative execution to a diverse range of clients across various industries, including healthcare, technology, education, non-profit, and professional services. The firm emphasizes a client-centric approach, aiming to deliver measurable results and build long-term partnerships. They offer services including media relations, digital marketing, content creation, corporate communications, social media strategy, and full-scale event production from concept to execution.
The Boston headquarters serves as the central hub for The Castle Group's operations, including executive leadership, strategic planning, client account management, creative services, and administrative functions.
Situated in a modern office building at 200 State Street, the headquarters provides contemporary workspace designed to foster collaboration and innovation. Its downtown location offers easy access to clients, media outlets, and transportation.
The Castle Group cultivates a dynamic, collaborative, and supportive work culture. It emphasizes teamwork, creativity, professional development, and a strong commitment to delivering exceptional results for clients. The firm is known for its entrepreneurial spirit and dedication to its employees.
As the founding location and primary office, the Boston headquarters is central to The Castle Group's identity, brand reputation, and operational control. It anchors their presence in the competitive New England market and serves as the base for national and global campaign coordination.
While The Castle Group's physical offices are based in the United States, they possess a robust global reach through their membership in the Public Relations Global Network (PRGN). PRGN is one of the world's largest networks of independent, owner-operated public relations and communications firms, with approximately 50 member agencies in major markets across North America, South America, Europe, Asia, Australia, and the Middle East. This affiliation allows The Castle Group to provide clients with localized expertise and seamless campaign execution in virtually any market worldwide.
200 State Street, 7th Floor
Boston
MA
USA
Address: 1170 Peachtree Street NE, Suite 1200, Atlanta, GA 30309
To provide localized expertise and on-the-ground support for clients in the Southeast, foster regional business development, and tap into Atlanta's growing market for communications and event services.
Address: Specific street address not publicly listed; operates with a strategic presence in Maui.
To cater to niche client requirements in Hawaii, manage events, and support tourism or hospitality-focused communication strategies with local insight and execution capabilities.
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As of April 2025, The Castle Group' leadership includes:
The Castle Group has been backed by several prominent investors over the years, including:
Based on publicly available information, The Castle Group's top-tier executive leadership (Principal, SVP levels) has remained stable over the last 12 months with no major publicly announced hires or departures at that level. The firm did announce several internal promotions to Assistant Vice President and Director roles in mid-2023, reflecting internal growth and talent development.
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The Castle Group commonly uses the [first initial][last name]@thecastlegrp.com email format for its employees. This is a standard professional format that allows for easy contact.
[first_initial][last]@thecastlegrp.com
Format
slish@thecastlegrp.com
Example
90%
Success rate
The Castle Group Blog / PR Club of New England • June 13, 2024
The Castle Group celebrated multiple wins at the PR Club of New England's Bell Ringer Awards, securing three Gold Bells. Additionally, Co-founder and Principal Sandy Lish received the prestigious John J. Molloy Crystal Bell for Lifetime Achievement, recognizing her decades of contribution to the public relations industry....more
The Castle Group Blog / PRWeek • March 7, 2024
Sandy Lish, Co-Founder and Principal of The Castle Group, was named to PRWeek’s 2024 Women of Distinction list. This honor recognizes influential women who have made significant impacts in the public relations and communications fields....more
CityBiz Boston • July 13, 2023
The Castle Group announced several staff promotions: Kimberly Winn, Victoria Kprim, and Marielena EnrÃquez were promoted to Assistant Vice President, and Caroline O’Shea was promoted to Account Director. The firm also hired Megan Foley as an Account Executive, reflecting continued growth....more
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