Event Sustainability
Sustainability is an important aspect of any long-term event strategy.
Hosting sustainable events can enhance brand image, engage attendees, satisfy stakeholders, reduce your company’s environmental impact, and save costs.
Castle looks at event sustainability with an eye for the triple bottom line (people, planet, and prosperity). We are committed to being socially and environmentally responsible and to promoting sustainability practices that help our clients make a positive impact.
Here are some of the initiatives we employ.
- Responsible sourcing
- Waste reduction and diversion
- Reusing and repurposing
- Food rescue
- Eco-friendly signage and collateral
- Event technology
- Diversity and Inclusion
- Community giveback/donations
- Hybrid and virtual events
- Carbon offset
- RFP compliance
Even if going green is not your focus, Castle’s commitment will help improve your footprint.





Popular initiatives include: reusable water bottles and reusable glassware and flatware, paperless meetings, linen-less tables, CSR giveback activities, digital signage, gobos, and recyclable printed signs.
Castle is an endorser of the Events Industry Council’s Principles for Sustainable Events.
Event Management
WHAT OUR CLIENTS HAVE TO SAY
Can't thank you ladies enough for all you do for me and the team. A huge thank you to your team for the countless hours invested working with the SHI and ON24 team keeping everyone on track and ensuring any hiccups on the platform were fixed immediately as they came up. Thank you again for your support and partnership.
Senior Director, Marketing and Events
SHI International Corp.
The Community Resource Center had the great pleasure of working with The Castle Group to facilitate a volunteer service project as part of Model N's (feel free to sub out the name here if you want anonymity) annual Rainmaker conference. More than 200 conference attendees came together to pack 1,400 Hygiene Kits in just 60 minutes! While this could certainly have been a logistical nightmare for our small team, The Castle Group provided a seamless and stress-free planning experience from start to finish. The Castle Group's Event Managers provided top notch logistical support and kept our planning process running smoothly with their excellent project management services. Thanks to the Castle Group, more than 1,400 students in Middle Tennessee have access to basic hygiene products this school year. We would work with The Castle Group again in a heartbeat and would highly recommend them to any organization in need of Marketing, PR, and Event support services!
Megan McGuire, VP of Partnerships
Community Resource Center
Castle was an invaluable event partner and was instrumental in delivering our first-of-its-kind 200+ attendee VIP summit. The Castle Teams’ professionalism, dynamism and creativity culminated in an extraordinary experience for all attendees we at Novo Holdings were proud of. We would wholeheartedly recommend them to anyone looking for a high-end provider of marketing, communications and/or event management.
Kelsie Schmit, MBA, Senior Project Management Specialist, Finance & Operations
Novo Holdings
Many, many thanks to Castle for all your help. To say that we could not have pulled off this conference without you is an understatement, to say the least! Your involvement throughout the process, especially as the event date got closer and closer, was crucial in helping us remember all the things that needed to be done. I also appreciate how well you adapted the program flow and changed related logistics when Senator Warren announced that she would be speaking–just hours in advance of the conference. I could go on and on!
Ann Bookman, PhD, Director
UMASS Boston, Center for Women in Politics and Public Policy
On behalf of Joe, Jen, and everyone at the Joe Andruzzi Foundation I would like to thank you for being a part of this year’s 15th Annual Gala. You ALL played a key role in helping create a night to remember for ALL of our guests. Danielle F always spoke so highly of this team and the work that you produce and it was truly amazing to witness it from start to finish this year. I am incredibly grateful for all the time and talent you brought to the table insuring every part of our event ran smoothly. I think it’s safe to say this event was a HUGE success and thank you for being a part of it! As always it was such a pleasure to work with each of you, and I hope to continue to partner on future events."
Gillian O'Brien, Senior Manager of Events
Joe Andruzzi Foundation
Thanks to you and the Castle team for running an absolutely fabulous event in Bermuda. It was unique, creative, luxurious, well planned and well executed. Your team exhibited world-class customer service, including outstanding responsiveness and flexibility. Thanks for turning our idea into a world-class event.
Symantec
For many years the Access Tent team has worked along side The Castle Group. From large venues, basic parking lots, and event spaces that needed transformation, they control every aspect of the event and follow up every step of the way never losing sight of the clients needs, wants, and expectations. We would often meet with Castle on various events and wonder, how are they going to pull this off? Then every event and sequence of the production was fully handled! Their take-no-names mindset drives them to success and growth. We hope to work alongside Castle soon and will continue to work with them any chance we can.
Jon Howarth, President
Access Tent LLC
I am reaching out to let you know how wonderful the Castle team has been to work with for our annual sales meeting this week. Their insight and planning have been critical in the event’s success. I would recommend your agency without hesitation.
Kelly Smith, Marketing Director
Eppendorf
With very short notice, Castle pulled together a flawless virtual forum for us with over 20 co-sponsors and two mayoral candidates. They helped us prepare a solid run of show, worked with us and our sponsors to get the word out before and after the event, and kept us all on track throughout. It was a huge success resulting in an informative event and terrific participation. Thank you, Castle, for making it happen so beautifully.
Allison Daskal Hausman, Director of Communications
2Life Communities
A big THANK YOU to The Castle Group! You are all such a pleasure to work with and are an amazing help to us. This meeting was a big one and we could never have done it without your guidance and help. Thank you all!
Grower Communications Specialist
Ocean Spray
The PRIDE Coordination Core (Programs to Increase Diversity Among Individuals Engaged in Health Related Research) worked with The Castle Group to produce our 3-day annual scientific meeting. In every situation, the event ran smoothly. The bottom line is the answer to this question: Would we hire the Castle group to produce our next meeting if it is virtual? A resounding YES is the answer. To Castle we say, thank you for your professionalism, organization, quality delivery, and your timely and helpful answers to all of our questions.
PRIDE
This was a wonderful, spectacular, amazing trip. Castle runs a first-rate operation, and I really appreciate how great you make these trips. You somehow perfectly combine friendliness and professionalism. You get the mix just right.
SHI International Corp.
Because of Castle’s guidance, professionalism, vigilance and commitment, in working with me and my leadership team, our first virtual event ran smoothly from planning to execution. We are still getting feedback on the quality and effectiveness of the breakfast along with donations, for which we are grateful to the entire Castle team.
J. Keith Motley Ph.D., Consultant & President/CEO
Urban League of Eastern Massachusetts
The key to a successful event is partnership. I know when Above and Beyond Catering partners with The Castle Group we will be successful because of excellent communication working toward the mutual benefit of our client. Teamwork makes planning and execution effortless. I look forward to the next time we have the pleasure to work with the Castle team.
Mark Haley, President / Owner
Above and Beyond Catering
Castle was fantastic. I seriously could not have done it without you and welcome future opportunities to work with the team, as we continue a partnership with The Castle Group.
Jillian Marquard, Marketing Manager – Indirect
Quench USA, Inc.
Castle was excellent at keeping us organized and on target with all of our timelines and deliverables, had great ideas on ways to improve our event, and worked round the clock with both us and ON24 to ensure everything was perfect! We truly could not have done this without Castle. Thank you so much for the wonderful partnership and support…and friendship through another SUCCESSFUL event!
Director of Marketing Events, CMP
SHI International Corp.
Cvent has shared mutual clients with The Castle Group for several years. Castle has been a great collaborative partner in helping our teams navigate complex requirements and logistics to deliver a highly successful product. We hold the Castle team in high regard and would recommend to anyone looking to deliver an impactful and memorable event experience!
Chris Anderson, Senior Principal Account Manager, Event Solutions
Cvent
The incredible thing about working with your Castle ambassadors is the ABSOLUTE trust I have in you. Castle thinks about all the issues in advance and plans accordingly. You anticipate all issues that arise. And you interact with my customers in the most professional, courteous and gracious manner I’ve ever seen from ANY service organization. I hope you’re getting the idea that I can’t gush enough about your performance.
Microsoft
Working with Castle on a recent internal event has been a great experience. Not only are their staff professional, reliable, and knowledgeable, they stay cool, calm, and collected under pressure and always deliver a great result. I look forward to working with Castle and its staff in the future.
Judith Rich, Associate Director Employee Communications & Social Media
Model N
Castle defines what it means to be a partner. You are always looking out for our best interest and working tirelessly to make our events more successful than we could ever envision. Your professionalism and endless attention to detail is second to none. You are an incredible organization filled with amazing people. Thank you for all that you’ve done–I can’t imagine doing an event without you!
Pegasystems
It was invaluable having the Castle Group help us with our virtual conferences attracting women entrepreneurs from all over New England. Their attention to detail, knowledge and expertise helped us deliver the conference our clients deserve. The Castle team became a part of our team who together created, adapted, learned from each other, and supported the effort from beginning to end. They helped to make the Center for Women & Enterprise Women's Business Leaders Conference and Women of Color Business Summit better than the last. Thank you! Thank you!
Mickey Riendeau, VP Operations, Technology & Marketing
Center for Women & Enterprise
The Castle Group was responsible for putting together our latest incentive trip and I just wanted to let you know what an exceptional job your company did. Everything went off without a hitch and the entire weekend was perfectly planned. Castle's attention to detail made the difference. I commend you and look forward to being a part of future trips planned by The Castle Group.
Marketing Team
CDW