The advertising industry in Colorado is dynamic and multifaceted, showcasing a blend of creativity and strategic execution. Companies range from full-service agencies to specialized firms in digital marketing, branding, and media buying. With the rise of technology, many agencies are pivoting towards digital solutions, focusing on social media, SEO, and data analytics. The state has seen a notable increase in agencies catering to both local and national clients, underpinned by a thriving startup ecosystem. This confluence of innovation and marketing prowess positions Colorado as an attractive hub for advertising activity in the West.

This list highlights 21 advertising companies based in Colorado, varying in size from small teams to larger firms and founded from as early as 1970 to as recently as 2016. Predominantly located in metropolitan areas like Denver and Boulder, these agencies offer specialized services such as digital marketing, branding, and integrated communications. With consistent growth in their sectors, these companies are shaping the future of advertising through innovative approaches tailored for diverse clients.

Read on to discover the top advertising companies in Colorado.

Top 21 Advertising Companies Companies in Colorado

1. Fortnight Collective

• Website: fortnightcollective.com
• Ownership type: Private
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2016
• Headcount: 11-50
• LinkedIn: fortnight-collective

Fortnight Collective is an advertising agency based in Boulder, Colorado, established in 2016. With a team of 30 full-time employees and access to over 200 senior-level talents, the agency specializes in branding and marketing services. They assist businesses in enhancing their brand visibility and market presence through a comprehensive range of services, including brand strategy, campaign production, and digital media management. Their client portfolio spans various industries, indicating a broad market reach. Noteworthy projects include their work with Noodles & Company, where they executed a successful rebranding campaign, and their collaboration with Vrbo, showcasing their ability to create impactful advertising solutions. Fortnight Collective has also received recognition for its workplace culture, being named one of the best places to work in the industry. This combination of creativity, efficiency, and a strong client focus positions Fortnight Collective as a relevant player in the advertising sector.

2. TDA_Boulder

• Website: tdaboulder.com
• Ownership type: Private
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: United States (USA) 94%, United Kingdom (UK) 6%
• Founded year: 1989
• Headcount: 11-50
• LinkedIn: tda_boulder

TDA_Boulder is an advertising agency based in Boulder, Colorado, founded in 1989. With a team of 47 employees, the agency specializes in branding, media planning, and creative services. They focus on helping businesses communicate effectively with their target audiences through innovative advertising strategies. TDA_Boulder has worked with a range of clients, including FirstBank, Ibotta, and Purely Elizabeth, demonstrating their capability to handle projects across various sectors such as food and beverage, health and wellness, and technology. Their work has been recognized in industry publications, reflecting their active involvement and relevance in the advertising industry.

3. Cultivator Advertising & Design

• Website: cultivatorads.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2000
• Headcount: 11-50
• LinkedIn: cultivator-advertising-%26-design

Cultivator Advertising & Design is a Denver-based advertising and design agency founded in 2000. With a team of 11 to 50 employees, they specialize in crafting branding and marketing solutions tailored to various sectors, including real estate, hospitality, and food and beverage. The agency prides itself on its ability to cultivate brands and foster authentic relationships between clients and their audiences. Their work spans strategic campaigns, design services, and comprehensive marketing solutions that enhance brand visibility. Cultivator has collaborated with a range of clients, from emerging grocery brands to established breweries, showcasing their versatility and expertise in the industry. Their portfolio reflects a commitment to quality and creativity, making them a notable player in the advertising field.

4. Voice Media Group

• Website: voicemediagroup.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: March 2010
• Founded year: 2012
• Headcount: 501-1000
• LinkedIn: voice-media-group

Voice Media Group, founded in 2012 and based in Denver, Colorado, is a media company that specializes in digital marketing, event marketing, and print media. The company operates several well-known publications, including the Dallas Observer, Denver Westword, Miami New Times, New Times Broward-Palm Beach, and Phoenix New Times. Through these platforms, Voice Media Group provides marketing solutions that assist advertisers and business owners in increasing their visibility and engagement with both local and national audiences. Their digital marketing agency, V Digital Services, has experienced significant growth since its inception in 2013, offering a range of services such as organic and local SEO, paid media, and social media advertising. The company also hosts numerous events that attract large audiences, further enhancing their marketing capabilities. With a focus on both digital and print media, Voice Media Group plays a vital role in connecting businesses with consumers in their respective markets.

5. Human

• Website: humandesign.com
• Ownership type: Private
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: United States (USA) 51%, Brazil 25%, Russia 25%
• Founded year: 2013
• Headcount: 1-10
• LinkedIn: human-design

Human is a branding agency based in Boulder, Colorado, founded in 2013. With a small team of around 66 employees, they specialize in strategy, design, and communication services aimed at helping businesses connect with their audiences. Their work involves crafting compelling narratives and effective marketing strategies tailored to the unique needs of their clients. Human's services include qualitative and quantitative research, brand strategy, visual identity design, and media buying, among others. They have collaborated with a range of clients, including Land O'Lakes, JanSport, and World Vision, demonstrating their ability to deliver impactful branding solutions across various sectors. Their focus on understanding human truths and creating relatable brand stories positions them as a relevant player in the advertising industry.

6. Prairie Mountain Media

• Website: prairiemountainmedia.com
• Ownership type: Private
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2006
• Headcount: 201-500
• LinkedIn: prairie-mountain-publishing

Prairie Mountain Media, founded in 2006 and based in Boulder, Colorado, operates as a marketing agency that offers a blend of digital and print advertising services. The company serves local businesses across Colorado, providing tailored solutions that include display ads, search engine optimization (SEO), social media marketing, and email advertising. With a portfolio that features 15 newspaper brands, Prairie Mountain Media has a long-standing presence in the community, delivering over 1.26 million print and 12 million digital impressions monthly. Their strategy focuses on connecting advertisers with local audiences, leveraging an integrated network of trusted brands. The agency emphasizes a client-centric approach, aiming to solve complex marketing challenges with performance-driven solutions. Their partnerships with national platforms like Yahoo! and Digital First Media further enhance their capabilities in the advertising space.

7. Cactus

• Website: cactusinc.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 95%, Other 5%
• Founded year: 1990
• Headcount: 51-200
• LinkedIn: cactusinc

Cactus is an advertising agency based in Denver, Colorado, founded in 1990. With a team of 51-200 employees, the agency specializes in crafting innovative marketing campaigns and providing behavior design consulting. Cactus has worked with various organizations, including public health initiatives and lotteries, to effectively communicate important messages and engage target audiences. Their notable projects include campaigns for the Colorado Lottery and the North Carolina Education Lottery, where they employed creative strategies to enhance audience engagement. Cactus has garnered industry accolades, such as being named The Drum's Best Performing Agency and winning multiple awards at the One Club Denver. Their approach emphasizes the importance of behavior design, aiming to influence consumer actions through thoughtful messaging and creative execution.

8. Vermilion

• Website: vermilion.com
• Ownership type: Private
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: United States (USA) 93%, India 7%
• Founded year: 1980
• Headcount: 11-50
• LinkedIn: vermilion-design---interactive

Vermilion is a creative agency based in Boulder, Colorado, founded in 1980. With a team of 29 employees, the agency focuses on branding, marketing, and advertising, offering services that include brand strategy development, integrated marketing campaigns, web design, and digital marketing. Their client portfolio spans various sectors, particularly outdoor recreation and health, where they aim to enhance brand impact and foster meaningful connections with audiences. Vermilion is a Certified B Corporation, which underscores their commitment to social and environmental responsibility. This certification reflects their dedication to using business as a force for good, integrating equity, sustainability, and community engagement into their operations. Their work has resulted in notable successes for clients, as evidenced by case studies showcasing significant increases in brand awareness and sales. Vermilion's approach combines creativity with strategic insights, making them a relevant player in the advertising industry.

9. SocialSEO Inc

• Website: socialseo.com
• Ownership type: Private
• Headquarters: Colorado Springs, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1996
• Headcount: 51-200
• LinkedIn: social-seo-inc

SocialSEO Inc, now operating under the name Intero Digital, is a digital marketing agency based in Colorado Springs, Colorado. Founded in 1996, the company specializes in a wide array of services designed to boost online presence and sales for businesses. Their offerings include search engine optimization (SEO), pay-per-click (PPC) advertising, social media marketing, and web design. SocialSEO has built a reputation for its commitment to client success, emphasizing tailored strategies that meet specific business goals. The agency has worked with various brands, showcasing its ability to adapt to different market needs. With a team of skilled professionals, SocialSEO focuses on data-driven results and continuous improvement in digital marketing practices, making it a relevant player in the advertising sector.

10. Philosophy Communication

• Website: philosophycommunication.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 80%, Nigeria 10%, India 10%
• Founded year: 2001
• Headcount: 11-50
• LinkedIn: philosophy-communication

Philosophy Communication is a marketing agency based in Denver, Colorado, founded in 2001. The company specializes in providing a full suite of marketing, public relations, and digital services. With a team of around 69 employees, they focus on helping clients enhance their brand presence and achieve business objectives through customized strategies. Philosophy Communication has worked with clients in various sectors, including construction, food and agriculture, health and wellness, and luxury appliances. Their approach emphasizes the importance of building meaningful relationships, which they believe is key to delivering effective marketing solutions. The agency has established itself as a reliable partner for businesses looking to improve their market positioning and communication strategies.

11. Amélie Company

• Website: ameliecompany.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 11-50
• LinkedIn: ameliecompany

Amélie Company, based in Denver, Colorado, is a creative agency founded in 2002. With a team of 45 employees, the agency specializes in advertising and marketing services, helping businesses and organizations build impactful brands. Their offerings include brand strategy, digital media, and creative campaigns, catering to a variety of clients across multiple sectors. Amélie Company is particularly noted for its commitment to social impact, as seen in their projects that tackle significant issues such as addiction stigma and mental health. They have collaborated with various organizations, including government agencies and non-profits, to create campaigns that not only promote brands but also foster community awareness and engagement. Their work reflects a blend of creativity and purpose, aiming to make a positive difference while achieving measurable results for their clients.

12. Heinrich

• Website: heinrich.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1977
• Headcount: 51-200
• LinkedIn: heinrich-marketing

Heinrich Marketing, based in Denver, Colorado, is a private marketing agency founded in 1977. With a team of approximately 62 employees, Heinrich specializes in comprehensive marketing services that include strategy, creative development, digital marketing, media planning, analytics, and production. The agency primarily serves clients in the healthcare and financial services sectors, helping them navigate the complexities of modern marketing. Heinrich's approach is characterized by a commitment to understanding client challenges and delivering tailored solutions that drive results. They have a strong focus on integrated campaigns, utilizing both traditional and digital channels to maximize impact. Their work includes notable projects such as the development of senior-focused primary care marketing strategies and innovative direct mail campaigns, showcasing their ability to adapt to client needs and market trends.

13. S&D Marketing | Advertising

• Website: sd-advertising.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1997
• Headcount: 11-50
• LinkedIn: sd-marketing-advertising

S&D Marketing | Advertising, based in Denver, Colorado, is a marketing agency that has been operational since 1997. With a team of 24 employees, the agency specializes in a wide array of services including branding, communications, and marketing operations. They cater to a broad spectrum of clients, from small businesses and nonprofits to Fortune 500 companies, demonstrating their ability to navigate the complexities of marketing across various sectors. S&D prides itself on being a woman-owned agency, which enhances its reputation and appeal in the industry. Their approach involves immersing themselves in their clients' businesses to create tailored, outcome-oriented marketing strategies. This commitment to understanding client challenges has allowed them to build lasting relationships and deliver effective marketing solutions. S&D's work spans multiple industries, including telecommunications, technology, and environmental sectors, showcasing their adaptability and expertise in addressing unique marketing needs.

14. Sukle

• Website: sukle.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1995
• Headcount: 11-50
• LinkedIn: sukle-advertising-%26-design

Sukle Advertising & Design is a creative agency based in Denver, Colorado, founded in 1995. With a team of 11-50 employees, Sukle specializes in advertising and branding services, working with a variety of clients to develop marketing strategies that enhance brand engagement. The agency has built a reputation for creating impactful campaigns, such as the 'Use Only What You Need' initiative for Denver Water, which significantly reduced water consumption in a short period. Their work has received multiple awards, including recognition in the OBIE Hall of Fame, highlighting their commitment to creative excellence. Sukle's portfolio includes projects for clients like Great Outdoors Colorado and the Wyoming Department of Health, showcasing their ability to address both commercial and social issues through innovative advertising solutions.

15. Choozle

• Website: choozle.com
• Ownership type: Private Equity
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Series C, $15.0M, May 2021
• Founded year: 2012
• Headcount: 51-200
• LinkedIn: choozle

Choozle, founded in 2012 and based in Denver, Colorado, is a digital advertising agency that specializes in programmatic advertising solutions. The company provides a comprehensive platform designed to assist mid-market agencies and brands in navigating the complexities of digital marketing. Choozle's offerings include a variety of advertising channels such as display, video, audio, connected TV, and social media, among others. They have successfully managed over 97,000 campaigns and served more than 10,000 clients, showcasing their extensive experience in the field. The company has also secured $15 million in Series C funding as of May 2021, which reflects its growth trajectory and the confidence investors have in its business model. Choozle's user-friendly interface and expert support help clients optimize their advertising strategies, making it a valuable partner in the digital advertising landscape.

16. Booyah Advertising

• Website: booyahadvertising.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2001
• Headcount: 51-200
• LinkedIn: booyah-online-advertising

Booyah Advertising is a digital marketing agency based in Denver, Colorado, founded in 2001. The agency specializes in a wide array of services designed to enhance online presence and customer engagement for businesses. Their offerings include paid media strategies, search engine optimization (SEO), content marketing, and creative design. Booyah emphasizes a data-driven approach, ensuring that their clients receive transparent reporting and measurable results. With a team of over 100 digital experts, they have managed more than $140 million in advertising spend, showcasing their capability in handling substantial marketing budgets. The agency's commitment to understanding client needs and tailoring strategies accordingly has positioned them as a notable player in the digital marketing sector. Their recent acquisition of PPC Sidekick further illustrates their ambition to expand their service offerings and enhance their market position.

17. Precision Industrial Contractors, Inc.

• Website: precisionindustrial.com
• Ownership type: Private
• Headquarters: Brighton, Colorado, United States (USA)
• Founded year: 1992
• Headcount: 51-200
• LinkedIn: precision-industrial-contractors-inc-

Precision Industrial Contractors, Inc., founded in 1992 and based in Brighton, Colorado, is a digital marketing agency that specializes in advertising, search engine optimization (SEO), and cloud-based solutions. The company caters to both businesses and consumers, crafting customized marketing strategies that address the unique needs of various sectors, including healthcare and legal services. With a portfolio that features numerous brands, Precision Industrial aims to enhance market reach and effectiveness in its campaigns. The agency's approach combines technology with marketing expertise, positioning itself as a resource for clients seeking to unlock their brand potential. Despite not having reported any funding, the company has maintained a presence in the digital marketing landscape for over three decades, adapting to the evolving needs of its clients.

18. Karsh Hagan

• Website: karshhagan.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1977
• Headcount: 51-200
• LinkedIn: karshhagan

Karsh Hagan is a marketing agency based in Denver, Colorado, founded in 1977. With a team of approximately 103 employees, the agency specializes in various aspects of marketing, including branding, design, media analytics, and digital solutions. They cater to ambitious brands across multiple industries, aiming to enhance their market presence through innovative campaigns and strategies. The agency has developed notable projects, such as destination stewardship campaigns for South Dakota and climate advocacy for Aspen Snowmass, demonstrating their capability to tackle complex marketing challenges. Their work has garnered recognition, including awards for their website design and workplace culture, indicating their commitment to quality and creativity in the advertising sector.

19. Voco

• Website: vococreative.com
• Ownership type: Corporate
• Headquarters: Denver, Colorado, United States (USA)
• Latest funding: October 2024
• Founded year: 2008
• Headcount: 11-50
• LinkedIn: voco-creative

Voco is a marketing agency based in Denver, Colorado, founded in 2008. The company focuses on brand strategy, integrated marketing, content creation, and digital media production. With a team of 22 employees, Voco collaborates with a variety of clients, including well-known brands and emerging startups. Their work spans multiple industries, showcasing their versatility and commitment to enhancing brand presence. Voco operates from a uniquely renovated space in the RINO district, which serves as both an office and a studio for creative projects. The agency has received several awards for its work, including multiple OMMA and Davey Awards, highlighting its effectiveness in marketing and advertising campaigns. Voco emphasizes the importance of relationships in marketing, aiming to build trust and connection with clients and their audiences.

20. Vladimir Jones

• Website: vladimirjones.com
• Ownership type: Private
• Headquarters: Colorado Springs, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1970
• Headcount: 51-200
• LinkedIn: vladimir-jones

Vladimir Jones is a marketing agency based in Colorado Springs, Colorado, founded in 1970. With a team of approximately 87 employees, the agency has carved out a niche in crafting impactful marketing strategies and branding solutions for a variety of businesses and organizations. Their service offerings include comprehensive analysis, creative direction, media planning, and analytics, all aimed at helping clients effectively connect with their target audiences. The agency has a notable portfolio, having worked with clients such as BOK Financial, Comfort Dental, and the Denver Museum of Nature and Science. They operate across several industries, including energy, tourism, and healthcare, providing tailored marketing solutions that address specific client needs. As a women-owned and led agency, Vladimir Jones prides itself on its innovative approach and commitment to fostering human connections through strategic marketing efforts.

21. Blue Onion Media

• Website: blueonionmedia.com
• Ownership type: Private
• Headquarters: Lakewood, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1979
• Headcount: 11-50
• LinkedIn: blueonionmedia

Blue Onion Media, based in Lakewood, Colorado, is a private media agency founded in 1979. The company specializes in media investment strategy and planning, providing tailored services to businesses across various sectors such as healthcare, retail, and restaurants. With a team of around 20 professionals, Blue Onion Media focuses on helping clients navigate the complexities of media buying to enhance their advertising effectiveness and return on investment. They pride themselves on their ability to integrate traditional and digital media strategies, ensuring that clients' messages reach the right audiences at the right times. Their extensive experience in media planning and buying, combined with a commitment to understanding client needs, positions them as a valuable partner for businesses looking to optimize their media investments.

Advertising Companies Insights: Key Companies in Colorado

Company	Headquarter	Size	Founded	Ownership
Fortnight Collective	Boulder, Colorado, United States (USA)	11-50	2016	Private
TDA_Boulder	Boulder, Colorado, United States (USA)	11-50	1989	Private
Cultivator Advertising & Design	Denver, Colorado, United States (USA)	11-50	2000	Private
Voice Media Group	Denver, Colorado, United States (USA)	501-1000	2012	Private
Human	Boulder, Colorado, United States (USA)	1-10	2013	Private
Prairie Mountain Media	Boulder, Colorado, United States (USA)	201-500	2006	Private
Cactus	Denver, Colorado, United States (USA)	51-200	1990	Private
Vermilion	Boulder, Colorado, United States (USA)	11-50	1980	Private
SocialSEO Inc	Colorado Springs, Colorado, United States (USA)	51-200	1996	Private
Philosophy Communication	Denver, Colorado, United States (USA)	11-50	2001	Private
Amélie Company	Denver, Colorado, United States (USA)	11-50	2002	Private
Heinrich	Denver, Colorado, United States (USA)	51-200	1977	Private
S&D Marketing | Advertising	Denver, Colorado, United States (USA)	11-50	1997	Private
Sukle	Denver, Colorado, United States (USA)	11-50	1995	Private
Choozle	Denver, Colorado, United States (USA)	51-200	2012	Private Equity
Booyah Advertising	Denver, Colorado, United States (USA)	51-200	2001	Private
Precision Industrial Contractors, Inc.	Brighton, Colorado, United States (USA)	51-200	1992	Private
Karsh Hagan	Denver, Colorado, United States (USA)	51-200	1977	Private
Voco	Denver, Colorado, United States (USA)	11-50	2008	Corporate
Vladimir Jones	Colorado Springs, Colorado, United States (USA)	51-200	1970	Private
Blue Onion Media	Lakewood, Colorado, United States (USA)	11-50	1979	Private

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