Marketing automation companies in the US help businesses streamline their marketing efforts through technology. These firms range from large corporations like Adobe to startups focusing on niche markets. They offer services such as email marketing, social media management, customer relationship management, and analytics. As personalization and data-driven decision-making become more critical, the industry is moving towards integrating artificial intelligence and machine learning. Furthermore, the ongoing transition to remote operations catalyzed growth, prompting many firms to adopt these automated solutions for efficiency. This is reshaping how brands engage with customers and optimize campaigns.

The companies featured in this list vary significantly in size and specialization. They include major players like Marketo and ActiveCampaign, which cater to diverse business needs. With a mix of newer firms founded in the last decade and established names from the early 2000s, these companies are headquartered across the United States, from California to New York. While some focus on email marketing, others provide integrated platforms combining multiple marketing channels. This reflected a trend towards offering comprehensive solutions to meet changing market demands.

Read on to discover insights about top marketing automation companies in the US.

Top 22 Marketing Automation Companies in the US

1. ActiveCampaign

• Website: activecampaign.com
• Ownership type: Private Equity
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 61%, Ireland 14%, Costa Rica 9%, Other 16%
• Latest funding: Series C, $240.0M, April 2021
• Founded year: 2003
• Headcount: 1001-5000
• LinkedIn: activecampaign-inc-

ActiveCampaign, based in Chicago, Illinois, is a private equity-owned SaaS company that specializes in marketing automation, email marketing, and customer relationship management (CRM) solutions. Established in 2003, the company has grown to employ over 800 individuals and serves more than 180,000 customers across various industries. ActiveCampaign's platform is designed to help small to mid-sized businesses optimize their marketing strategies and improve customer engagement through automation and analytics. The company has made significant strides in the industry by incorporating advanced features such as integrated AI, dynamic content, and extensive integrations with over 900 tools. Their recent funding of $240 million in April 2021 further underscores their growth trajectory and commitment to innovation in the marketing automation space.

2. Marketo, an Adobe company

• Website: marketo.com
• Ownership type: Corporate
• Headquarters: San Jose, California, United States (USA)
• Latest funding: $4.8B, September 2018
• Founded year: 2006
• Headcount: 1001-5000
• LinkedIn: marketo

Marketo, an Adobe company, is a software firm based in San Jose, California, that specializes in marketing automation solutions. Established in 2006, the company has developed a range of products aimed at helping businesses optimize their marketing efforts and drive revenue growth. Key offerings include Marketo Lead Management, which assists in managing leads throughout the sales funnel, and Marketo Sales Insight, which enhances sales effectiveness through data-driven insights. Marketo serves a variety of marketing professionals and businesses, particularly in the mid-sized and enterprise sectors. The company has received substantial funding, totaling $4.75 billion, which underscores its growth and importance in the marketing technology industry. Marketo's integration with Adobe's broader suite of tools allows for enhanced capabilities and a more comprehensive approach to marketing automation, positioning it as a significant player in the field.

3. Act-On Software, Inc.

• Website: act-on.com
• Ownership type: Corporate
• Headquarters: Portland, Oregon, United States (USA)
• Latest funding: $53.2M, January 2025
• Founded year: 2008
• Headcount: 51-200
• LinkedIn: act-on-software-inc.

Act-On Software, Inc. is a marketing automation company based in Portland, Oregon, founded in 2008. The firm specializes in providing a suite of tools designed to enhance customer engagement and streamline marketing processes for businesses across various sectors, including financial services and manufacturing. Act-On's offerings include multichannel marketing, analytics, lead scoring, and automated lead generation, all delivered through a Software as a Service (SaaS) model. This allows clients to implement effective marketing strategies tailored to their specific needs. The company has received significant funding, with a recent amount of $53.2 million reported in January 2025, indicating strong investor confidence and a commitment to expanding their product offerings and market reach. Act-On's focus on customer support and education further positions it as a valuable partner for businesses looking to optimize their marketing efforts.

4. Drip

• Website: drip.com
• Ownership type: Corporate
• Headquarters: Minneapolis, Minnesota, United States (USA)
• Employee distribution: United States (USA) 62%, Denmark 33%, Estonia 4%
• Latest funding: July 2016
• Founded year: 2012
• Headcount: 51-200
• LinkedIn: dripecrm

Drip, founded in 2012 and based in Minneapolis, Minnesota, is a marketing automation provider that specializes in email marketing solutions, particularly for businesses in the e-commerce sector. With a workforce of around 161 employees, Drip has carved out a niche by offering tools that facilitate segmentation, customer insights, and multi-channel marketing strategies. The platform is designed to help brands improve customer engagement and increase sales through sophisticated email marketing campaigns. Drip has gained traction among B2C brands that have outgrown their previous platforms, showcasing its effectiveness in driving revenue and enhancing customer experiences. The company has not reported any recent funding, indicating a stable operational model since its last funding round in 2016. Drip's focus on customer service and its ability to integrate with various e-commerce platforms further highlight its commitment to supporting businesses in achieving their marketing goals.

5. Sitecore

• Website: sitecore.com
• Ownership type: Private Equity
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 21%, Greece 10%, Malaysia 10%, Other 59%
• Latest funding: $1.2B, January 2021
• Founded year: 2001
• Headcount: 1001-5000
• LinkedIn: sitecore

Sitecore, founded in 2001 and headquartered in San Francisco, California, is a software company that specializes in customer experience management. The company provides a suite of solutions that includes web content management and marketing automation software. These tools are designed to help businesses enhance their digital marketing strategies and improve customer engagement. Sitecore's clientele spans various industries, reflecting its adaptability and commitment to optimizing customer interactions. The company has also attracted significant investment, with a reported funding amount of $1.2 billion in January 2021, underscoring its relevance and ambition in the marketing technology sector.

6. Ontraport

• Website: ontraport.com
• Ownership type: Private
• Headquarters: Santa Barbara, California, United States (USA)
• Employee distribution: United States (USA) 98%, Other 2%
• Latest funding: Other (Debt), January 2020
• Founded year: 2008
• Headcount: 51-200
• LinkedIn: ontraport

Ontraport, based in Santa Barbara, California, is a private company founded in 2008 that specializes in providing a comprehensive platform for marketing automation, sales automation, and content management. The company primarily serves startups and mid-sized businesses, offering tools designed to streamline sales and marketing processes. Ontraport's platform includes features such as campaign automation, CRM capabilities, and payment processing, making it a versatile solution for businesses looking to enhance their customer relationship management and marketing efforts. The company has built a reputation for its strong customer support and user-friendly interface, which are critical for businesses that may not have extensive technical resources. Ontraport has not reported any recent funding, indicating a stable operational model since its inception. Its focus on delivering a complete marketing and sales solution positions it as a relevant player in the marketing automation industry.

7. Keap

• Website: keap.com
• Ownership type: Corporate
• Headquarters: Chandler, Arizona, United States (USA)
• Employee distribution: United States (USA) 89%, United Kingdom (UK) 5%, Other 5%
• Latest funding: $80.0M, October 2024
• Founded year: 2001
• Headcount: 201-500
• LinkedIn: keap-growing

Keap, founded in 2001 and based in Chandler, Arizona, is a software company that specializes in automation and customer relationship management (CRM) solutions tailored for small businesses. With a workforce of approximately 267 employees, Keap has built a reputation for its user-friendly tools that assist small business owners in managing customer interactions and automating marketing processes. Their product suite includes features for email marketing, lead capture, and sales automation, all designed to enhance operational efficiency and drive revenue growth. Keap has successfully served over 200,000 small businesses, positioning itself as a significant player in the marketing automation sector. The company has also been recognized for its innovative approach, recently receiving $80 million in funding, which underscores its commitment to expanding its offerings and improving customer experiences.

8. Iterable

• Website: iterable.com
• Ownership type: Private Equity
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 77%, United Kingdom (UK) 16%, Portugal 4%, Other 3%
• Latest funding: Series E-K, $200.0M, June 2021
• Founded year: 2013
• Headcount: 501-1000
• LinkedIn: iterable

Iterable is a marketing technology firm based in San Francisco, California, that specializes in providing a cross-channel marketing platform. The company was founded in 2013 and has since focused on enhancing customer engagement through personalized and automated marketing strategies. Iterable's platform allows businesses to improve their marketing effectiveness across various channels, utilizing data and artificial intelligence to optimize customer interactions. The company has garnered attention for its innovative approach, particularly in the areas of real-time data utilization and dynamic campaign management. With a workforce of approximately 781 employees, Iterable has expanded its reach beyond the United States, with a notable presence in the United Kingdom and other countries. The company secured $200 million in funding during its Series E round in June 2021, which underscores its growth trajectory and the confidence investors have in its business model and market position.

9. LocaliQ

• Website: localiq.com
• Ownership type: Family Owned
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 79%, India 14%, Canada 3%, Other 4%
• Founded year: 2004
• Headcount: 1001-5000
• LinkedIn: localiq

LocaliQ, based in New York, is a marketing platform that specializes in providing businesses with a suite of marketing automation and campaign management tools. Founded in 2004, the company has established itself as a key player in the marketing technology sector, particularly for local businesses across various industries such as automotive, healthcare, retail, and education. LocaliQ's offerings include services like search engine optimization, social media marketing, targeted email marketing, and custom promotions. The company prides itself on its ability to help clients find, convert, and retain customers through innovative technology and expert-led services. With a workforce of nearly 1,750 employees, LocaliQ has a significant presence in the market and has successfully delivered over 267 million leads and generated approximately $15.9 billion in revenue for its clients. This track record highlights their effectiveness and commitment to driving growth for local businesses.

10. Click

• Website: clickdimensions.com
• Ownership type: Private Equity
• Headquarters: Atlanta, Georgia, United States (USA)
• Employee distribution: Ireland 39%, United States (USA) 33%, Israel 6%, Other 22%
• Latest funding: January 2023
• Founded year: 2010
• Headcount: 201-500
• LinkedIn: clickdimensions

Click, founded in 2010 and based in Atlanta, Georgia, is a marketing technology firm that specializes in providing marketing automation tools and customer communication solutions. The company primarily serves businesses that utilize Microsoft Dynamics CRM, offering a suite of products that streamline marketing processes and enhance customer engagement. Click's solutions are designed to integrate natively with Microsoft Dynamics 365, ensuring that customer data remains secure and accessible. With a global presence, Click operates in various countries, including Ireland, Israel, Portugal, and the United Kingdom, and has built a reputation for its user-friendly tools and robust support services. The company has successfully sent over 2.613 billion emails in 2023 alone, highlighting its significant operational scale. Click is backed by Volaris Group, a private equity firm that invests in software companies with long-term growth potential, further solidifying its position in the marketing automation industry.

11. Campaign Monitor

• Website: campaignmonitor.com
• Ownership type: Venture Capital
• Headquarters: Nashville, Tennessee, United States (USA)
• Latest funding: Series A, $250.0M, April 2014
• Founded year: 2004
• Headcount: 51-200
• LinkedIn: campaign-monitor

Campaign Monitor, founded in 2004 and based in Nashville, Tennessee, is an email marketing platform that provides businesses with essential tools for creating, sending, and analyzing email campaigns. The company offers a range of features, including an email template builder, segmentation, personalization, and marketing automation, catering to various industries such as retail and nonprofit. Campaign Monitor operates on a subscription model, allowing users to access its services online. The company has received substantial funding, totaling $250 million in a Series A round in 2014, which underscores its growth potential and relevance in the marketing technology space. With a focus on user experience, Campaign Monitor aims to simplify email marketing for businesses, making it easier to connect with audiences and drive results.

12. OutboundEngine

• Website: outboundengine.com
• Ownership type: Corporate
• Headquarters: Austin, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: September 2021
• Founded year: 2012
• Headcount: 201-500
• LinkedIn: outboundengine

OutboundEngine, founded in 2012 and based in Austin, Texas, is a marketing agency that provides an all-in-one marketing automation platform specifically designed for small businesses. The company offers a range of services, including email marketing, social media management, and website development, aimed at enhancing online presence and customer engagement. OutboundEngine serves various industries, notably Automotive, Real Estate, and Financial Services, demonstrating its adaptability to different market needs. The platform is designed to be user-friendly, allowing businesses to implement marketing strategies without extensive training. With a dedicated customer success team, OutboundEngine supports its clients in achieving their marketing goals, making it a significant player in the marketing automation space.

13. Pardot

• Website: pardot.com
• Ownership type: Corporate
• Headquarters: Atlanta, Georgia, United States (USA)
• Employee distribution: United States (USA) 92%, India 8%
• Latest funding: $95.5M, October 2012
• Founded year: 2007
• Headcount: 1001-5000
• LinkedIn: pardot

Pardot, founded in 2007 and acquired by Salesforce in 2013, operates as part of Salesforce's suite of marketing solutions. Based in Atlanta, Georgia, Pardot specializes in B2B marketing automation, providing tools that help businesses generate and nurture leads effectively. The platform integrates seamlessly with Salesforce's CRM, allowing for a unified approach to managing customer relationships and marketing campaigns. Pardot's features include lead scoring, email marketing, and analytics, which empower organizations to make data-driven decisions. With a focus on enhancing customer engagement and driving revenue growth, Pardot has established itself as a key player in the marketing automation industry, serving a wide range of sectors.

14. SendPulse

• Website: sendpulse.com
• Ownership type: Venture Capital
• Headquarters: New York, New York, United States (USA)
• Employee distribution: Ukraine 90%, Brazil 5%, Belarus 3%, Other 2%
• Latest funding: Seed, $130,000, August 2016
• Founded year: 2015
• Headcount: 51-200
• LinkedIn: sendpulse

SendPulse is a marketing automation platform based in New York, New York, founded in 2015. The company specializes in providing a comprehensive suite of digital marketing tools designed to enhance customer engagement and streamline marketing processes. Their offerings include email marketing, chatbots for various messaging platforms, SMS campaigns, and a built-in CRM system. SendPulse serves a global clientele, with a significant portion of its workforce based in Ukraine. The platform is particularly appealing to small and medium-sized businesses due to its free plan, which allows users to send up to 15,000 emails monthly and create chatbots without any initial investment. SendPulse has also received seed funding, which supports its growth and development in the competitive marketing automation industry.

15. Benchmark Email

• Website: benchmarkemail.com
• Ownership type: Private
• Headquarters: St. Louis, Missouri, United States (USA)
• Employee distribution: India 48%, United States (USA) 29%, Philippines 5%, Other 18%
• Latest funding: Other (Debt), $3.0M, January 2021
• Founded year: 2004
• Headcount: 51-200
• LinkedIn: benchmark-email

Benchmark Email, founded in 2004 and based in St. Louis, Missouri, is a private company specializing in email marketing and marketing automation services. With a workforce of approximately 121 employees, the company has established itself as a player in the marketing technology sector. Benchmark Email offers a suite of tools that facilitate the creation, automation, and optimization of email campaigns, catering to businesses and organizations looking to enhance their marketing strategies. Their services are primarily delivered through a Software as a Service (SaaS) model, allowing users to access their platform online. The company has also received $3 million in funding as of January 2021, indicating a commitment to innovation and expansion within the marketing automation space. Benchmark Email's features include email automation, reporting and optimization, landing pages, and integrations, making it a comprehensive solution for marketers aiming to improve customer engagement and drive sales.

16. SparkPost, a MessageBird company

• Website: sparkpost.com
• Ownership type: Corporate
• Headquarters: Columbia, Maryland, United States (USA)
• Employee distribution: United States (USA) 89%, Tunisia 11%
• Latest funding: $600.0M, April 2021
• Founded year: 2008
• Headcount: 201-500
• LinkedIn: sparkpost

SparkPost, a MessageBird company, is a marketing automation and customer engagement platform based in Columbia, Maryland. Founded in 2008, SparkPost has developed tools that enable businesses to create personalized interactions and automate their marketing campaigns effectively. The company focuses on enhancing customer relationships through its AI-first approach, which integrates various communication channels such as email, SMS, and WhatsApp. SparkPost's platform is designed to help businesses streamline their operations and improve customer engagement. With a workforce of around 201-500 employees, SparkPost has established itself as a notable player in the marketing automation industry. The company received significant funding of $600 million in April 2021, which underscores its potential for growth and innovation in the marketing technology sector.

17. Sailthru by Marigold

• Website: sailthru.com
• Ownership type: Corporate
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: January 2019
• Founded year: 2008
• Headcount: 1001-5000
• LinkedIn: sailthru

Sailthru by Marigold, founded in 2008 and based in New York City, is a marketing technology firm that specializes in personalized marketing solutions. The company primarily serves clients in the retail and media sectors, helping them enhance customer engagement through tailored marketing strategies. Sailthru's platform integrates various channels, including email and SMS, allowing businesses to optimize their marketing efforts with data-driven insights. Their technology leverages AI and machine learning to create robust customer profiles, enabling marketers to deliver personalized experiences at scale. Sailthru has built a reputation for its customer-centric approach, providing dedicated support and strategic guidance to its clients. This commitment to partnership and innovation positions Sailthru as a notable player in the marketing automation industry.

18. Sendlane

• Website: sendlane.com
• Ownership type: Venture Capital
• Headquarters: San Diego, California, United States (USA)
• Employee distribution: United States (USA) 93%, Peru 7%
• Latest funding: Series C, $4.2M, June 2023
• Founded year: 2013
• Headcount: 51-200
• LinkedIn: sendlane

Sendlane, based in San Diego, California, is a marketing automation company that specializes in providing email and SMS marketing solutions tailored for eCommerce businesses. Established in 2013, Sendlane has developed a unified platform that allows businesses to automate their marketing efforts, improve customer engagement, and ultimately drive revenue through data-driven strategies. The company focuses on helping online retailers optimize their marketing campaigns and enhance customer retention. Sendlane has recently secured $4.15 million in Series C funding as of June 2023, reflecting its growth trajectory and the confidence investors have in its business model. With a workforce of around 60 employees, Sendlane is dedicated to delivering personalized support and innovative solutions to its clients, making it a notable player in the marketing automation industry.

19. iContact

• Website: icontact.com
• Ownership type: Corporate
• Headquarters: Morrisville, North Carolina, United States (USA)
• Employee distribution: United States (USA) 68%, South Africa 17%, Canada 4%, Other 12%
• Latest funding: January 2019
• Founded year: 2003
• Headcount: 51-200
• LinkedIn: icontact

iContact, founded in 2003 and headquartered in Morrisville, North Carolina, is an email marketing service provider that caters primarily to small and medium-sized businesses. The company provides a suite of tools designed to help users manage their email campaigns effectively. Features include automation capabilities, analytics for performance tracking, and customizable email templates. iContact has built a reputation for empowering businesses to enhance their marketing strategies and engage their audiences through effective email communication. The company has served thousands of clients, sending billions of emails each month, and has received recognition for its user-friendly platform and exceptional customer support. iContact operates under the umbrella of J2 Martech Corp, a part of Ziff Davis, which further solidifies its position in the marketing technology sector.

20. InsideView, A Demandbase Company

• Website: insideview.com
• Ownership type: Corporate
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: India 68%, United States (USA) 22%, Venezuela 7%, Other 4%
• Latest funding: May 2021
• Founded year: 2005
• Headcount: 201-500
• LinkedIn: insideview-inc

InsideView, A Demandbase Company, is a corporate entity based in San Francisco, California, founded in 2005. The company operates within the B2B marketing technology sector, focusing on account-based marketing solutions. Their platform, Demandbase One™, leverages data and AI to assist businesses in identifying and engaging with target accounts, thereby enhancing marketing and sales strategies. InsideView primarily serves B2B enterprises, providing tools that drive revenue growth and improve conversion rates. The company has a significant employee distribution, with a majority based in India, and has not reported any recent funding, indicating a stable operational model. Their commitment to integrating data and insights into marketing practices positions them as a relevant player in the marketing automation industry.

21. VerticalResponse

• Website: verticalresponse.com
• Ownership type: Corporate
• Headquarters: St. Petersburg, Florida, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $27.0M, July 2013
• Founded year: 2001
• Headcount: 11-50
• LinkedIn: verticalresponse

VerticalResponse, founded in 2001 and based in St. Petersburg, Florida, is a digital marketing platform that specializes in email marketing solutions. The company offers a suite of tools designed to help small businesses create, manage, and optimize their email campaigns, social media posts, and customer surveys. With a user-friendly interface, VerticalResponse aims to simplify the marketing process for busy entrepreneurs. The platform includes features such as automated follow-up emails, A/B testing, and advanced reporting, which are essential for effective marketing automation. VerticalResponse has served over a million businesses, demonstrating its impact in the industry. The company has also received significant funding, amounting to $27 million, which indicates investor confidence in its business model and growth potential.

22. Lob

• Website: lob.com
• Ownership type: Venture Capital
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Series C, $50.0M, February 2021
• Founded year: 2013
• Headcount: 201-500
• LinkedIn: lob

Lob, founded in 2013 and based in San Francisco, California, is a marketing technology company that specializes in automated direct mail services. The company offers a platform that enables businesses to create, send, and measure personalized direct mail campaigns efficiently. By integrating with existing marketing tools, Lob helps clients across various industries, including financial services, healthcare, retail, and real estate, to enhance customer engagement and retention through targeted mailings. With a workforce of approximately 382 employees, Lob has secured significant funding, including a $50 million Series C round in February 2021, which underscores its growth and relevance in the marketing technology sector. The company positions itself as a bridge between digital and traditional marketing, allowing businesses to leverage data-driven strategies in their direct mail efforts.

Marketing Automation Insights: Key Companies in the US

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