Client Intern

We are Assembly, a leading global omnichannel media agency that merges data, talent, and technology to catalyze growth for the world's most esteemed brands. Our holistic approach weaves together compelling brand narratives with a comprehensive suite of global media capabilities, driving performance and fostering significant business expansion. Our initiatives are powered by STAGE, our proprietary operating system, and executed by a dedicated global team of over 3,000 professionals across 44 offices worldwide.

Committed to purposeful action, we lead the way in social and environmental impact within the agency realm.

ICYMI: Assembly was named Campaign’s 2025 Most Innovative Agency and Sustainability Standout and 2024 Media Agency of the Year. Our innovative work has also earned prestigious accolades, including The Webby Awards, Effies, and Cannes Lions.

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Join Assembly’s Summer Internship Program and gain hands-on experience in a fast-paced, hybrid work environment. Over 10 weeks, you’ll work on real-world projects, receive mentorship from industry leaders, and have the opportunity to network within the Stagwell network of agencies. This is more than an internship—it’s your chance to kickstart your career in the marketing and advertising industry.

As an intern, you’ll collaborate with our teams on meaningful client projects, attend exclusive workshops and speaker events, and participate in optional programs like Shark Tank-style competitions and career path mini-series.

Our program is open to college juniors, seniors, and recent graduates who are eager to explore different facets of the marketing and advertising industry.

Successful applicants must commit to the duration of the program from June 1, 2026, to August 7, 2026. They will follow a hybrid work schedule, requiring 3 days in-office and 2 days of remote work each week. The work hours will be from 9 AM to 5 PM ET, Monday through Friday.

• Support the Client Experience team on day-to-day client accounts needs

• Assist with compiling and interpreting reporting insights to evaluate campaign effectiveness

• Participate in brainstorms and internal meetings to contribute ideas and learn internal processes

• Develop written and verbal communication skills by drafting email responses and contributing to reporting narratives

• Collaborate with cross-functional teams (Strategy, Paid Social, Search, etc) to support campaign activations

• Gain exposure to client presentations, watching senior team members present media strategies and recommendations

• Bachelor’s degree in Marketing, Advertising, Communications, or a related field preferred. 

• Rising Junior, Senior, or recent Grads

• Strong analytical skills with proficiency in Excel, PowerPoint, Google Doc, Word. 

• Excellent written and verbal communication skills. 

• Ability to manage multiple projects and prioritize competing deadlines in a fast-paced environment. 

• Detail-oriented with strong organizational skills. 

Assembly is an advocate for equal opportunity in the workplace. We are committed to ensuring equal opportunities regardless of race, color, religion, sex, national origin, sexual orientation, age, citizenship, marital status, gender identity, status as a protected veteran, among other things, or status as a qualified individual with disability. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements.

If you have a disability or special need that requires accommodation, please let us know. EEO Employer M/F/Vet/Disabled.