Corporate Events

© Pictures by Todd Photography

Because Your Next Event Deserves a Landmark

Whether you’re hosting an executive board meeting, a week-long symposium, a seminar with dinner, teambuilding activities or employee recognition events, our versatile meeting rooms provide the perfect setting to get down to business. With audio visual and conferencing capabilities, we ensure every detail is covered. All of this is set within stunning, professional spaces in the heart of Center City, offering an exceptional environment for your next corporate event.

Close-up of the Masonic Temple, Library and Museum tower
© Michael Martin Photography

Available Rooms

Woman speaking to a seated crowd with slideshow displayed behind her

Grand Ballroom

© Catering by Design

Depending on the purpose of your event, our newly renovated Grand Ballroom accommodates 250 guests for a seated dinner with presentation/dance floor or 300 guests without a presentation/dance floor. A magnificent bronze statue of Benjamin Franklin graces this extraordinary ballroom, which can also be concealed behind a curtain. Three drop-down screens are available for your polished digital presentation.

Room with tables decorated with green and brown accents

John Wanamaker Room

© Catering by Design

This richly decorated, wood-paneled room offers round tables for meeting and/or eating in a private and luxurious space. A projector and screen are available in this dining room, with a capacity of 64 guests.

Woman presenting slide show to room full of guests

Corinthian Hall

With room for 400 people, ONE’s largest event space is suitable for conferences, presentations, recitals, concerts, networking receptions and more. Let the ancient Grecian art and architecture inspire new creative efforts during your corporate event.

Hallway filled with guests talking

Foyer Under the Stars

© Kelly Giarocco

Networking turns magical under this starry ceiling, surrounded by stained glass windows set before an expansive double staircase. Sure to spark interesting conversations, this unique space can fit up to 250 people mingling with drinks or 50 seated at tables.

Hallway filled with guests and drink serving station

Grand Foyer

© Hieu Pham Photography

This beautiful marble-tiled foyer is the perfect place to enjoy cocktails and hors d’oeuvres while networking before meeting or dining in the Grand Ballroom. Combined with the Grand Ballroom, meetings and conferences of up to 300 guests flow effortlessly. Venue-wide, we can host gatherings for up to 500 guests.

Reserve a Space or Meeting Room Today!

Catering

Catering By Design is the exclusive catering and hospitality partner for ONE. Catering event professionals walk you through every step of the event, from décor to your customized menu, entertainment and day-of details. 

Green Room

Located just steps away from the Meeting Rooms, our two spacious Green Rooms offer the perfect retreat before and after your presentation or performance.

Enhancements

Your guests can enjoy an exclusive after-hours experience inside the Exhibit Hall, home to a curated selection of artifacts from the Masonic Library and Museum of Pennsylvania’s 30,000-item collection, and a guided docent who can provide a tour of the venue and answer questions.

Audiovisual Capabilities

We have audiovisual (A/V) , conferencing and state-of-the-art presentation capabilities available to meet your needs. Depending on the specific room, drop-down screens and projectors are at your disposal. A/V systems coordinate equipment such as cameras, displays, lighting, microphones, speakers and amplifiers. We can incorporate technology and branding by displaying digital company signage and branding at the entrance to the building and in numerous indoor spaces.

Catering

Catering By Design is the exclusive catering and hospitality partner for ONE. Catering event professionals walk you through every step of the event, from décor to your customized menu, entertainment and day-of details. 

Green Room

Located just steps away from the Meeting Rooms, our two spacious Green Rooms offer the perfect retreat before and after your presentation or performance.

Enhancements

Your guests can enjoy an exclusive after-hours experience inside the Exhibit Hall, home to a curated selection of artifacts from the Masonic Library and Museum of Pennsylvania’s 30,000-item collection, and a guided docent who can provide a tour of the venue and answer questions.

Audiovisual Capabilities

We have audiovisual (A/V) , conferencing and state-of-the-art presentation capabilities available to meet your needs. Depending on the specific room, drop-down screens and projectors are at your disposal. A/V systems coordinate equipment such as cameras, displays, lighting, microphones, speakers and amplifiers. We can incorporate technology and branding by displaying digital company signage and branding at the entrance to the building and in numerous indoor spaces.