Our USA email marketing agency directory is powered by five ranking criteria, vetted by 12 veteran in-house experts, and supported by almost 2,000 client reviews. This way, you can quickly find a top email marketing company for your next project.
97 Switch is an award-winning Chicago and Portland digital marketing agency that specializes in marketing, web design and strategy...
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Web Design Review from Christopher Calarco, D.C.
Our company had an excellent experience partnering with Jeremy and the 97 Switch team on our website and SEO. The initial build was on a tight timeline that was kept, and after the sites completion we saw a significant increase in new business coming our way. More medical professionals learned about us and wanted to join our network, which was an amazing bonus of working with 97 Switch. We've committed to work with 97 Switch for the next several years given they have been crucial in guiding our plan for growth.
Web Design Review from Justyna Chrupek
We hired them to build a new website. The website was quickly completed in just a couple months, and weve seen markedly positive results from 97 Switchs efforts. It's a new marketing feature that we use on a daily basis. The improved quality has facilitated our communication and made things much easier. Weve received great feedback from our vendors, investors, and customers who want to view our properties. Internally, our staff is excited to see what's going on in our company. We are definitely proud of our new platform. Our executive team is excited to be featured on the new website; previously, they didn't even want their picture shown. Before this redesign, we were almost embarrassed to send out the link. Now, we can comfortably share it with our investors, potential investors, and landlords so they keep track of our updates on a monthly basis. We love how this site presents the face of our company.
Web Design Review from Adam Greenberg
We've seen tremendous growth and exposure. The website has generated a number of new leads and weve received tons of cold calls from potential clients. This is thanks to 97 Switchs efforts to increase our digital exposure. We communicate primarily via phone and email and theyre highly responsive. I receive a response to emails within minutes and they get back to me within half an hour if I request a phone call. They're able to conduct face-to-face interactions in order to truly understand the goals and business culture of their clients. This allowed them to create a design that accurately represented our brand. I've had nothing but positive experiences with 97 Switch and Id recommend them to anyone.
Real Marketing Solutions is an award-winning digital marketing agency providing full-service marketing support for government agencies, corporations and small business owners. Through our comprehensive suite of marketing services, we help increase visibility, expand reach, and build awareness with target...
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We solve complex problems with marketing + technology to unlock growth...
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Mike Jones's Review Sourced from Google
I’ve worked with many agencies in my time as an entrepreneur, and started working with Br8kthru a year ago. It’s been the best agency experience I’ve had thus far. We started a business in March 2021 and finished the year with over $5MM in sales, thanks on part to their team taking on all of my digital marketing efforts - pushing me strategically and tactically to steadily build brand and drive acquisition. Thanks Br8kthru team!
Bill Svoboda's Review Sourced from Google
It was a pleasure working with Br8thru on our web project. They helped breathe life into our existing Hubspot website, and take it to the next level. I've worked with a few web companies in the past, but their Project Manager was the best to work with - very prompt email responses and pro-active in how they approached our build... they caught our vision for the project, then went to work since they're the professionals. Signing off on their work was easy at that point. Overall, it was an excellent experience and would highly recommend them.
M L's Review Sourced from Google
I hired Br8kthru to help refine my company's branding. Jon and his team were insightful, creative and well organized, offering thoughtful and comprehensive feedback throughout the process. In addition to their skillfulness, they were a wonderful group of people, making the whole process a joy, start to finish.
Email is the leading channel for securing leads, nurturing them, and a close second for converting them. It is also an integral part of the entire sales process, not just the early stages of content marketing.
Statistics show that nearly 4.5 billion people worldwide used email in 2025, and this number is projected to reach over 4.8 billion by 2027. This scale is one of the main reasons email marketing companies continue to deliver strong, measurable ROI across industries.
Out of all marketing and advertising channels, email accounts for 39% of usage, making it one of the top 5 most used channels, right after social media marketing with 52%, social media ads with 47%, and search advertising and SEO accounting for 40% and 39% respectively.
According to the ZeroBounce report, 93% of people use email every day, and many say it actively improves their shopping experience. For businesses working with email marketing firms, this daily engagement creates consistent opportunities to influence purchase behavior:
While having a catchy subject line is important, it’s only the second reason why people open your messages, the 2025 email marketing statistics reveal.
According to reports, 46% of people open their inbox regularly to check relevant emails, while 43% open it because of a catchy subject line.
21% said they open emails regardless of the content.
Only 14% interact with their inbox out of fear of missing out, and 7% presented other reasons for checking their emails daily.
Experienced email marketing agencies use open rate, click rate, delivery rate, unsubscribe rate, and bounce rate metrics to evaluate campaign health, engagement quality, and long-term list performance.
Open rate measures the percentage of recipients who open an email and reflects subject-line effectiveness and sender trust.
Average open rates typically range from 15% to 25%, though reliability has declined due to Apple’s Mail Privacy Protection.
Best practices include personalization, keeping subject lines under 40 characters, and A/B testing.
Click-through rate (CTR) tracks engagement by measuring clicks divided by emails delivered, while click-to-open rate (CTOR) measures clicks divided by opens.
A healthy CTR is usually 2%–3%.
Personalization is crucial, as 40% of respondents report frustration with irrelevant content, and emails with visuals can increase CTR by up to 300%.
Delivery rate indicates how many emails are successfully accepted by inbox providers.
The goal for everyone is to reach a 100% deliverability rate, but that’s usually unattainable because many emails end up in spam folders that users often don’t filter through.
With an expert B2B email marketing agency, you can expect to reach a 99% deliverability rate, assuming it follows best practices.
According to the ZeroBounce survey, 78% of users mark an email as spam if the email "looks like spam".
So, even if it doesn’t immediately go to the spam folder, an email will not be considered successfully delivered when the user doesn’t get to it.
As of 2024, Gmail and Yahoo require authentication (SPF, DKIM, DMARC) for bulk senders, making deliverability a shared responsibility between senders and ESPs.
Unsubscribe rates under 2% are considered normal, as Campaign Monitor suggests.
Segmentation, personalization, preference centers, and re-engagement campaigns for contacts who have been inactive for 6+ months help reduce churn.
Bounce rate should stay below 2% and include soft bounces (temporary issues) and hard bounces (invalid addresses).
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Double opt-in, list hygiene, segmentation, and secured signup forms (e.g., reCAPTCHA) are key to maintaining list quality.
It's more effective than it’s been in years, according to Omnisend’s 2025 eCommerce marketing report, which shows global email open rates increased 6% year over year, reaching 26.6%, marking the fourth consecutive year of growth.
This sustained increase suggests that consumers are actively engaging with it, especially when messages are relevant and timely. This is why many brands continue to invest in trusted email marketing providers to manage performance at scale.
Click-to-conversion rates grew by 27.6%, indicating a shift in consumer behavior where people are clicking less impulsively, but when they do click, they’re far more likely to purchase.
In other words, email is attracting higher-intent, more purchase-ready traffic.
The revenue impact becomes even clearer when looking at automation.
The report found that automated emails generated 37% of all email-driven sales while accounting for just 2% of total email volume.
One in three people who clicked an automated email made a purchase, compared to one in 18 for scheduled campaigns. This highlights how modern email success is driven by strategy and timing, not sheer send volume.
Email also benefits from being a first-party channel, giving brands direct access to their audience at a time when paid media costs are rising, and third-party data is becoming less reliable.
With growing engagement, stronger conversion efficiency, and unmatched ownership of customer relationships, email remains one of the most reliable and scalable marketing channels in 2025, especially when paired with automation and lifecycle targeting.
We have created a list of agencies for you to choose from based on the three different budget ranges they’re offering:
| High budget: $50,000+ |
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| Mid budget: $25,000-$50,000 |
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| Low budget: $10,000-$25,000 |
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Beyond the project budget, our agency directory lets you filter agency profiles by area of expertise, location, agency reviews, client types, and team size.
Look out for the following red flags when you start your selection process:
We suggest you ask an email marketing agency the following questions:
Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding the best email marketing agency in the USA. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.
Learn more about DesignRush Agency Ranking Methodology.
DesignRush sustains a directory of over 40,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:
Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.
It typically provides the following services:
DesignRush data shows that email projects can cost between $50 and $200 per hour. More clearly, projects start under $5,000 for 2-6 months and scale to $20,000–$100,000 and 12-24 months as complexity increases.
You can expect to get $36 for every $1 spent on email marketing, achieving a 3600% ROI.
According to an Omnisend report, buyers who click automated emails convert at a rate of 1 in 3, compared to 1 in 18 for scheduled campaigns, highlighting how strategic automation dramatically improves returns.
Email remains the top revenue-driving owned channel. The Omnisend report also found that automated emails generated 37% of email-driven sales from just 2%of total email volume, outperforming both SMS and push notifications in overall revenue contribution.
Email automation is the single biggest revenue lever in eCommerce marketing. Omnisend’s report shows automated messages outperform campaigns with:
This is why top email marketing agencies prioritize automation before increasing send volume.
They typically use a wide range of email service providers (ESPs) and marketing automation platforms, depending on the client’s size, industry, and technical needs.
Here are the most commonly used platforms:
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