Massachusetts is home to a thriving advertising industry, with many agencies of all sizes operating within the state. Here are the five largest advertising agencies in Massachusetts, based on employee count:
- Hill Holliday: With over 600 employees, Hill Holliday is the largest advertising agency in Massachusetts. The agency was founded in 1968 and is headquartered in Boston. Hill Holliday provides a wide range of marketing and advertising services to clients in a variety of industries, including healthcare, financial services, and technology.
- Arnold Worldwide: Arnold Worldwide is the second-largest advertising agency in Massachusetts, with over 400 employees. The agency was founded in 1965 and is headquartered in Boston. Arnold Worldwide is known for its creative and effective advertising campaigns, and its clients include some of the world’s largest brands, such as Volkswagen, Fidelity Investments, and Ocean Spray.
- McCann Worldgroup Boston: McCann Worldgroup Boston is the third-largest advertising agency in Massachusetts, with over 300 employees. The agency was founded in 1912 and is headquartered in Boston. McCann Worldgroup Boston is part of the McCann Worldgroup network, one of the largest advertising agency networks in the world. The agency’s clients include a variety of local, national, and international brands.
- Digitas Health: Digitas Health is the fourth-largest advertising agency in Massachusetts, with over 200 employees. The agency was founded in 1998 and is headquartered in Boston. Digitas Health is a leading provider of marketing and advertising services to the healthcare industry. The agency’s clients include pharmaceutical companies, medical device manufacturers, and healthcare providers.
- R/GA Boston: R/GA Boston is the fifth-largest advertising agency in Massachusetts, with over 100 employees. The agency was founded in 1977 and is headquartered in Boston. R/GA Boston is known for its innovative and cutting-edge work in digital advertising and marketing. The agency’s clients include some of the world’s most recognizable brands, such as Nike, Google, and Samsung.

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The 7 Biggest Advertising Agency near Massachusetts
Baystate Marketing
- Address: 220 Fortune Blvd #1013, Milford, MA 01757, United States
- Map: Click here
- Rating: 5 (105)
- Phone: +1 508-488-4165
- Website: Link
- Opening hours:
Monday: 8:00 AM – 5:00 PMTuesday: 8:00 AM – 5:00 PMWednesday: 8:00 AM – 5:00 PMThursday: 8:00 AM – 5:00 PMFriday: 8:00 AM – 5:00 PMSaturday: 9:00 AM – 12:00 PMSunday: Closed - Reviews:
2 months agoI had a great experience working with Josh Parker and his team at Baystate Marketing! Josh and his team were able to help me with social media marketing for my small business in order to engage with customers. They helped me with content creation, tracking, and my website.Josh and his team were very friendly, professional, and timely in getting back to me. I strongly recommend using Baystate Marketing!2 months agoI have had a great experience with Josh and his team at Baystate Marketing for my business needs. They are extremely attentive and get things done in a timely and efficient manner. I receive responses to questions and items are taken care of before I even expect it, I honestly don’t know how they do it!We have started with a smaller level of service from Baystate Marketing as we work to transition from a different company. The items that they have been able to improve upon in our Google listing and beyond, already is quite impressive! That other companies have just ignored!
We will be adding more services from Baystate Marketing in the near future as we work to ramp up service. They offer many options, which is great. You can go all the way to full service of every item possible, to a smaller tailor-made package specific to your business if you are just getting started.
After working with several different marketing companies trying to find the right fit, we have found our home with Baystate Marketing, they really are great!
2 months agoI had the pleasure of working with Josh from Baystate Marketing on our Google Business Profile, and I must say that it has been an excellent experience. Josh and his team are not only easy to work with, but their professionalism is truly outstanding. They possess extensive knowledge in their craft, which really shows in the services they provide.What impressed me the most was their commitment to exceeding expectations. They go above and beyond to ensure customer satisfaction, and they do so in a timely manner. It’s refreshing to work with a team that genuinely cares about their clients’ success.
As a small business owner, I really appreciate that Josh understands the challenges faced by small businesses. His pricing is reasonable and won’t break the bank. It feels like I’m working with a supportive friend who truly wants my business to thrive. Josh is a great listener and takes the best interests of my company to heart.
I also want to highlight that Baystate Marketing offers discounts for small businesses, which is a fantastic bonus.
If you’re in need of any service-based offerings that Baystate Marketing provides, I highly recommend them. They have proven to be reliable, knowledgeable, and genuinely invested in their clients’ success.
Aimee Salmon Founder and Operator of Positively Africana, LLC
3 months agoI am so happy to have partners like Josh and the Baystate Marketing team to refer my clients and other partners too! He and his staff are friendly, knowledgeable, and happy to help those I send their way. And I know I can always rely on them for a quick response. I also love that Josh is so focused on putting small businesses first. Looking forward to our continued collaborations!4 months agoTechnically, Josh and I are competitors. I recently worked on a project with him, where the client wanted my business to take care of the web development and Josh’s business to do the Google Business Profile. It was amazing seeing Josh at work. He is very deadline driven and gets things done on time. He is a great communicator and very responsive. Josh also has a generous spirit and I am looking forward to working with him in future.
829 Studios Boston Marketing Agency
- Address: 300 Massachusetts Ave, Boston, MA 02115, United States
- Map: Click here
- Rating: 4.8 (73)
- Phone: +1 617-933-9824
- Website: Link
- Opening hours:
Monday: 8:30 AM – 5:30 PMTuesday: 8:30 AM – 5:30 PMWednesday: 8:30 AM – 5:30 PMThursday: 8:30 AM – 5:30 PMFriday: 8:30 AM – 5:30 PMSaturday: ClosedSunday: Closed - Reviews:
a year agoEmpower Her Network has been working with 829 on SEO. The team is incredible; knowledgeable, engaging, understanding, and professional. As a non profit, they have helped us get a google grant and grow our traffic, as well as help us with insights into making our presence bigger in the anti-trafficking movement. They are very responsive and lovely to work with. We look forward to our continued partnership with the team!a year agoI have had the pleasure of working with 829 Studios for over 10 years. During these 10+ years they have done a fantastic job with a complete website redesign, improving our overall SEO, assisting with our paid and organic campaigns and helping with user experience and design. The entire team is extremely experienced and truly improved our overall CRO process, helped us understand our data and make changes to our website that has impacted bottom line. I love the collaboration between teams and quick turnaround on projects. 829 has been a top agency for us covering a range of critical digital needs for the business. Within each discipline there is a deep level of subject matter expertise and a culture driving continuous improvement.a year agoThe 829 team is an extraordinary group of individuals. From the leadership team to the support staff, they are all helping their clients drive for success. I have leveraged their development team, SEO team, marketing services and more recently their strategic planning team. I’m grateful for the knowledge, thought leadership as well as their “can do” attitude. They have consistently gone over and above to meet my needs and I’m thankful for their partnership.a year ago829 has been a wonderful partner for us. Truly a partner. From overall business and marketing plan consultation, messaging, web design and monitoring updates they have helped us every step of the way. Each interaction with the 829 team is professional but personal. They are proactive in asking the right questions, putting themselves in our shoes and using their knowledge to help us develop our growth and marketing our plans. Since working with them our Inbound/SEO has grown exponentially with the RIGHT traffic and many DREAM clients. We could not recommend the 829 team more highly.- Jay Bloxsom- Founder and CEO- NationsClassrooma year agoLove 829, have used their services at two different companies now. They are amazing and their team of strategists has helped our business grow. They work as an extension of our team and are always super responsive. I have been highly impressed by the breadth of their services and the knowledge of their team around digital marketing.
Internet Traffic Social Media Marketing Agency
- Address: 28 Church St, Winchester, MA 01890, United States
- Map: Click here
- Rating: 5 (52)
Belfort Group
- Address: 125 High St Suite 220, Boston, MA 02110, United States
- Map: Click here
- Rating: 4.3 (41)
TribalVision
- Address: 1 Lincoln St 24th Floor, Boston, MA 02111, United States
- Map: Click here
- Rating: 4.9 (40)
Juuced Marketing
- Address: 365 Boston Post Rd STE 213, Sudbury, MA 01776, United States
- Map: Click here
- Rating: 5 (35)
3 Media Web
- Address: 11 Apex Dr Suite 300A 300A, Marlborough, MA 01752, United States
- Map: Click here
- Rating: 5 (32)

Discover top consulting firms in various states, like those mentioned in Indiana, Missouri and Maryland, to understand the dynamic business scene across the United States. These companies play a crucial role in shaping the vibrant business environment, positioning Massachusetts, USA as a center for strategic insights and cutting-edge solutions.
Top Advertising Agency Alternatives in Massachusetts
The Biggest Advertising Agency in United States
Massachusetts is home to several top advertising agencies that have made a name for themselves in the industry. These agencies offer a range of services and have worked with various clients to create successful advertising campaigns. Here are three of the top advertising agency alternatives that are very popular in Massachusetts:
- Arnold Worldwide: Arnold Worldwide is a global creative agency that has its headquarters in Boston, Massachusetts. The agency has a strong reputation for its creative work and has been recognized with numerous awards. With a client roster that includes brands like Jack Daniel’s, Progressive, and Turbotax, Arnold Worldwide is known for its innovative and impactful advertising campaigns.
- Hill Holliday: Hill Holliday is another leading advertising agency based in Boston. With a history dating back to 1968, the agency has established itself as a trusted partner for brands looking to create impactful advertising. Hill Holliday has worked with clients such as Bank of America, Dunkin’, and the United States Navy. The agency’s portfolio includes a mix of traditional and digital advertising, showcasing its ability to adapt to changing industry trends.
- MullenLowe U.S.: MullenLowe U.S. is a renowned advertising agency with offices in Boston and New York. The agency has a strong focus on storytelling and creating emotional connections between brands and consumers. MullenLowe U.S. has worked with clients such as JetBlue, Google, and American Greetings. The agency’s commitment to creativity and strategic thinking has earned it recognition and accolades in the advertising industry.
These top advertising agencies in Massachusetts have consistently delivered impactful advertising campaigns for their clients. With their strategic thinking and creative approach, they have helped brands reach their target audiences and achieve their marketing goals. Whether a brand is looking for traditional advertising, digital marketing, or a combination of both, these agencies offer a range of services to meet diverse client needs. With their track record of success and industry expertise, these advertising agencies are certainly worth considering for any brand looking to make a big impact in the market.
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