Our Clients



We're Theory One, an agency committed to creating digital and built spaces of distinction for mission-driven clients.

With nearly two decades of experience, we are seasoned in the art of shaping identities, devising brand strategies, and translating our clients' vision into elegant and captivating digital and physical immersive experiences.

Our approach leverages investigative and conversational methods to understand your business, ensuring our collaboration leads to integrated solutions aligned with your goals. 

If you're seeking strategic guidance, innovative design solutions, storytelling that connects with your audiences, technical expertise, and a warm, supportive vibe, you're in the right place. At Theory One we design for clarity so that you can make your mark.


Comms & Marketing

Competitive analysis
Persona development
Communication strategy
Marketing strategy
Creative campaign strategy & development

Brand Strategy & Design

Brand audits
Brand naming
Brand architecture & guidelines
Identity design & design systems
Photo/video strategy & art direction


Exhibition design
Signage & wayfinding
Donor recognition
Environmental graphics


UI/UX design
Information architecture
Visual design
Drupal & Wordpress development
Web accessibility
API integrations

Thank you, TheoryOne, for building Orion a website that finally reflects our print magazine’s commitment to artistic excellence and centers our readers’ experience!

Orion Magazine

Theory One was instrumental in helping us refine our strategy and pushing us to think further about how our website fits into our larger communications strategy. They did key discovery work to understand our audiences and needs and came up with content and design approaches we had not imagined.

The Eric Carle Museum of Picture Book Art

Theory One excels at clear thinking, strategic planning, and creative problem solving—exactly what our complex, time-constrained project required to move forward. Their iterative, informed, and logical approach to our work together built our confidence, and left us inspired and set up for success.

American Ancestors

Thank you so much for your wisdom, patience, and dialogic spirit throughout this entire process. Every time I open up my browser to the new site I feel so refreshed and excited.

Ikeda Center for Peace, Learning, and Dialogue

The exhibition looks terrific—staff and visitors are very happy. The first floor looks complete for the first time in years!

MIT Museum

We looked for a development partner who was comfortable with an accessibility-first approach to design and development; Theory One was the perfect partner to work with and learn from.

Discovery Museum


Ready to breathe life into your idea, brand, or mission? Let's start a conversation.

617-914-0404 ext. 2