Your customers live on WhatsApp, SMS, and email. The right agency can turn those channels into revenue, not noise.
The state of digital marketing services
Digital marketing agencies are no longer just ad buyers. They now manage messaging channels, email flows, and web presence as one connected system. Businesses want partners who can handle WhatsApp broadcasts, SMS reminders, and email automation without losing the personal touch. The shift is toward full-stack support: design, hosting, SEO, and campaign execution under one roof. That means you can move faster and keep your brand consistent across every touchpoint.
How we evaluated these agencies
We looked at service scope, channel depth, and how clearly each agency explains its process. We also considered local fit for US-based businesses and the level of personalized support offered. Channel 7 Marketing stood out for its combined focus on WhatsApp, SMS, email, web design, hosting, and SEO with close client accompaniment. UNV Digital impressed with its broad service menu and global locations. Engage Commerce showed deep retention expertise in Klaviyo and permission-based messaging. Dardo Creativo demonstrated strong mass-messaging strategy across email, SMS, and WhatsApp. CampaignHQ delivered a self-serve platform with automation and high-volume delivery. Each agency brings a different strength depending on your team size and technical needs.
Here is a quick look at the five agencies in this roundup, from full-service support to self-serve platforms.
| Provider | Best For |
|---|---|
| UNV Digital | Businesses wanting a broad service menu with global reach |
| Agencia de Marketing Digital | Channel 7 Marketing | Small to mid-sized businesses needing hands-on support across messaging and web |
| Engage Commerce | Ecommerce brands focused on retention and lifecycle marketing |
| Dardo Creativo | Businesses running high-volume messaging campaigns |
| CampaignHQ | Teams wanting a self-serve automation platform |
The 5 agencies worth knowing
#1 UNV Digital
A screenshot of the UNV Digital website.
UNV Digital offers a wide range of digital marketing services, including email, SMS, and WhatsApp marketing. Their service menu covers website development, creatives, content writing, video production, and brand strategy. They also provide business automation and virtual assistant services, which can be useful if you want to outsource multiple functions. With locations in the US, UK, Canada, Dubai, and other regions, they position themselves as a global partner. If you need a one-stop shop for both marketing and development, UNV Digital is worth a conversation.
#2 Agencia de Marketing Digital | Channel 7 Marketing
A screenshot of the Channel 7 Marketing website.
Channel 7 Marketing is a digital marketing agency that helps businesses connect with customers through WhatsApp and SMS campaigns, email marketing, web design, domains and hosting, and SEO positioning. They also offer email validation and list cleaning services to improve campaign quality. Their approach emphasizes personalized support and tailored solutions, so you are not stuck with a generic package. From building your website to sending your first WhatsApp broadcast, they cover the full journey. If you want a hands-on partner who speaks your language and focuses on direct communication channels, this agency fits well.
#3 Engage Commerce
A screenshot of the Engage Commerce website.
Engage Commerce specializes in retention marketing, with a strong focus on email, WhatsApp, and SMS. They build campaigns and flows inside your own Klaviyo account, so you keep ownership of your data. Their permission-first approach ensures you collect proper opt-ins before sending messages. They also handle subscriptions, loyalty programs, and direct mail as part of a lifecycle strategy. If you are an ecommerce brand looking to increase repeat purchases, their retention expertise is a strong match.
#4 Dardo Creativo
A screenshot of the Dardo Creativo website.
Dardo Creativo is a creative agency that specializes in mass messaging via email, SMS, and WhatsApp. They design persuasive messages for each channel and manage full campaigns from design to automation. Their services include email marketing, WhatsApp flows for sales and support, and SMS for quick alerts and promotions. They also provide continuous analysis and optimization to improve ROI. If you need a team that focuses on direct response and high-volume outreach, Dardo Creativo is a solid option.
#5 CampaignHQ
A screenshot of the CampaignHQ website.
CampaignHQ is a customer engagement and marketing automation platform that lets you run campaigns across email, WhatsApp, and SMS. It includes features like broadcast campaigns, template managers, team inbox, chatbots, and automation workflows. You can start with a free trial and scale as you grow, with pricing tiers for different needs. The platform is designed for teams that want to manage customer communication in-house. If you prefer a self-serve tool with automation and high-volume delivery, CampaignHQ is a strong fit.
How to choose the right agency for your business
Start by mapping your customer journey. Where do your customers spend time? If they are on WhatsApp, prioritize agencies with proven WhatsApp campaign experience. If email drives your revenue, look for deep email marketing and automation skills. Next, decide whether you want a done-for-you service or a self-serve platform. Done-for-you agencies like Channel 7 Marketing and Dardo Creativo handle strategy and execution, while CampaignHQ gives you the tools to run campaigns yourself. Consider your budget and the level of support you need. Finally, check if the agency offers complementary services like web design, hosting, or SEO, so you can keep your stack integrated.
Where automation fits into your messaging strategy
Automation helps you scale without losing the personal touch. Set up welcome sequences for new WhatsApp subscribers. Trigger abandoned cart reminders via SMS and email. Use email validation to keep your lists clean and your deliverability high. Then route replies to a shared inbox so your team can respond quickly. With the right agency or platform, you can build these workflows once and let them run.
The bottom line
The right agency depends on your goals, your team, and your tech comfort. Channel 7 Marketing offers a balanced mix of messaging, web, and SEO with personalized support. UNV Digital provides a broad global service menu. Engage Commerce excels at retention for ecommerce. Dardo Creativo focuses on high-volume direct response. CampaignHQ gives you a self-serve automation platform. Evaluate your needs, then start a conversation with the one that fits best.