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Think about the last time you received a handwritten letter. Not a flyer, not junk mail, not a bill: a real letter, with your name on it, written for you. You opened it, right? You probably kept it. That’s the power almost every brand forgot, and that email marketing, done well, still has: being the handwritten letter in an inbox full of noise.
The problem is that most companies treat email like that flyer handed out on the street that goes straight to the trash: the same for everyone, no name, no timing, no permission. A good agency specialized in mailing does the opposite: it builds a healthy database, segments, personalizes and automates so every message arrives like the letter you actually want to open, the welcome email, the newsletter you look forward to, the timely reminder, the offer at just the right moment. It’s not about spamming more; it’s about writing better.
The catch? In Mexico there are dozens of agencies promising to fill your outbox, and from the outside they all sound the same. Who actually knows how to write that letter, and who’s just handing out flyers?
To answer that, we built this ranking. Not by hand-picking or favoritism, but with concrete, verifiable data processed through dedicated research scripts: real Google rankings, review reputation, authority and traffic, social presence and mentions in artificial intelligence tools. Keep reading: these are the best email marketing agencies for the Mexican market, ranked by merit.
Interactive ranking of the best Email Marketing agencies in Mexico
The table below is interactive: sort it by whichever metric matters most to you and compare agency by agency.
 |
 Agency |
 Total Score |
 Rank, ’email marketing agency’ |
Rank, ’email marketing company’ |
Rank, ‘mailing agency’ |
ChatGPT Position |
 Google Business Profile Rating |
Local Guides Reviews |
New-Profile Reviews |
Google Business Profile Score |
Domain Rating |
 Backlinks |
 Keywords |
 Traffic |
 Linkedin engagement |
LinkedIn (Followers) |
 Instagram engagement |
Instagram (Followers) |
 Tik Tok (Followers) |
 Twitter (Followers) |
 YouTube (Subscribers) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | MD Marketing Digital | 66,81 | 2 | 10 | 2 | 3,5 | 2 | 5 | 58 | 9104 | 2069 | 11560 | 0,082 | 8988 | 0,237 | 7077 | 312 | 9228 | 2140 | ||
| 2 | CitySEM | 59,86 | 8 | 16 | 4,9 | 5 | 3 | 17,86 | 48 | 25164 | 1268 | 8863 | 0,302 | 1192 | 1,651 | 1489 | 33 | 370 | |||
| 3 | Marketinet | 50,52 | 13 | 27 | 9 | 4,9 | 3 | 5 | 14,81 | 47 | 4557 | 1008 | 4729 | 1,365 | 0 | 1,365 | 629 | 1894 | 6250 | ||
| 4 | Digital Menta | 46,31 | 6 | 23 | 3 | 5 | 1 | 2,67 | 39 | 3714 | 550 | 2731 | 0,068 | 23635 | 2,392 | 2829 | 1403 | ||||
| 5 | Oink My God | 43,49 | 12 | 5 | 1 | 3 | 9,38 | 54 | 2472 | 1680 | 6678 | 0,009 | 9694 | 0,374 | 21073 | 10929 | |||||
| 6 | Sube Agencia Digital | 37,51 | 25 | 12 | 4,4 | 1 | 7 | 7,41 | 63 | 39688 | 569 | 2215 | 0,171 | 3096 | 0,469 | 3414 | |||||
| 7 | Disruptivos | 33,71 | 15 | 4,9 | 3 | 5 | 14,52 | 46 | 17579 | 272 | 1048 | 0 | 4,832 | 526 | 530 | ||||||
| 8 | SEOnet Digital | 32,06 | 18 | 18 | 57 | 167244 | 1470 | 4669 | 0,037 | 4320 | 0,134 | 4652 | |||||||||
| 9 | Agencia Reinicia | 29,75 | 21 | 4,1 | 5 | 3 | 13,52 | 42 | 1233 | 322 | 1662 | 1826 | 4,156 | 377 | 351 | 142 | |||||
| 10 | Digitalize Group | 4,30 | 24 | 0 | 492 | 3 | 0 |
Best Email Marketing Agencies in Mexico: our analysis
To make this ranking verifiable, and not just a “because we say so”, we combined several objective factors, each with its own weight: organic position for the niche’s three keywords (how high each agency ranks for “email marketing agency”, “email marketing company” and “mailing agency”), Google Business Profile reputation (rating and reviews, separating established profiles from new ones), authority and traffic (Domain Rating, backlinks, ranked keywords and organic visits, measured with Ahrefs), social presence and AI mentions (what ChatGPT answers when asked for the best agencies in the niche). You can see the full breakdown on our research methodology page.
For readers who want to go deeper into the field, this guide on email marketing offers useful background.
No company pays to appear in this ranking or can influence its position. We don’t know the participants, and each one’s score is determined exclusively by data collected through research scripts, with the full methodology published and open to review.
If you have any comments on our methodology or suggestions to improve it, you can leave us a message and we’ll gladly get back to you.
A note on the universe: this is a field where Spanish agencies dominate the search, so the Top 10 is international, Mexican agencies alongside several specialized Spanish and Latin American ones. All measured by the same yardstick.
Top 10 best Email Marketing agencies in Mexico
1. MD Marketing Digital
First place goes to MD Marketing Digital, an agency with an office in Polanco (CDMX) and operations in Argentina, Ecuador and Spain, which helps brands of every size turn their email list into real relationships. Its email marketing agency works the whole deck of the perfect letter: strategy, design, quality lists (quality over quantity), automation (welcome, cart recovery, reminders) and an obsession with open, click and conversion metrics.
Its approach covers both B2B and B2C, across sectors like e-commerce, real estate, hospitality and tech. With the most consistent organic position in the ranking for the niche’s keywords, it’s the agency writing letters that get opened across several Spanish-speaking markets at once.
2. CitySEM
Second place goes to CitySEM, a digital marketing agency from Granada (Spain) that claims to be the “2nd best-rated agency in Andalusia and Top 10 in Spain”, and its 270-plus reviews at ★4.9 on Google back it up. Its email marketing approach is surgical: sector-specific campaigns (e-commerce, hotels, lawyers, restaurants, dentists, agencies, real estate…), understanding that the letter a dentist opens isn’t the one a hotelier opens. It complements this with advertising on Google, SEO, web design and social media. An agency with one of the best reputations in the entire ranking.
3. Marketinet
Third place goes to Marketinet, a Madrid agency with an enviable track record: since 2003 doing 360° digital marketing. It’s the most “tech” agency in the ranking for email: a Salesforce partner (Marketing Cloud, Pardot), HubSpot and Mailchimp Expert, with ISO 27001 and ISO 701 certification. Its strength is email marketing + marketing automation within inbound and lead-nurturing strategies, supported by programmatic advertising and display. With ★4.9 across nearly 50 reviews and Google Partner Premier status, Marketinet automates letters at scale without losing the personal touch.
4. Digital Menta
Next up is Digital Menta, a Spanish digital consultancy with a strong performance profile and specific industries (SaaS, retail, e-commerce, fashion, construction). It treats email marketing as one more capability within an ecosystem that includes marketing automation, paid social media advertising, SEM, CRO and even AI chatbots for WhatsApp. Its testimonials speak of multi-year relationships and teams that feel like “an integral extension” of the client, exactly the kind of partner a sustained email strategy needs.
5. Oink My God
Fifth place goes to Oink My God, an agency from Barcelona and Madrid with a motto that fits the field perfectly: “Honest marketing made at home.” Its email marketing is part of a warm, creative proposal that combines SEO positioning, online advertising, social media, design and branding. Brands like Cruz Roja Juventud, Alcon and H-FARM have already trusted them, and their reviews insist on the same thing: closeness, creativity and a human touch. With the largest social community in the ranking (over 20,000 Instagram followers), they know how to make a brand feel at home in the inbox.
6. Sube Agencia Digital
Sixth place goes to Sube Agencia Digital, one of the two Mexican agencies in the Top 10 (headquartered in Mexico City with offices in Bogotá, Miami, Texas, Madrid and Argentina). Its Mail Marketing service is framed by a declared obsession with ROI: “achievable, measurable and, above all, tangible results.” It combines this with SEO, digital advertising, social media management, web design and influencers, adapting to the Mexican, Andean and US-Hispanic markets. With the highest domain authority in the ranking (DR 63), Sube is the local option with international muscle.
7. Disruptivos
We reach Disruptivos, a digital growth consultancy from Málaga with more than 10 years of experience and a clear idea: it’s not “a standard agency.” Before sending the first email, they understand the business, decide priorities and design the roadmap. Its email marketing lives within a five-phase system (understand, decide, activate, scale, optimize) alongside marketing automation, CRM, CRO and digital advertising. With ★4.9 across 27 reviews, it’s the agency for those who want every letter to be part of a strategy, not a one-off send.
8. SEOnet Digital
Eighth place is for SEOnet Digital, an agency with international presence (the Americas and Europe) and serious credentials: Google Premier Partner, recognized in New York as the leading Latin American agency for Google Ads Search campaigns, and Yandex Platinum Partner. Its email marketing bets on automation, segmentation and continuous A/B testing to maximize opens and clicks, within a full-service offering that runs from SEO to web development. With one of the highest domain authorities in the ranking, SEOnet writes letters backed by serious technology.
9. Agencia Reinicia
Ninth place goes to Agencia Reinicia, from Madrid, which practices what it calls “Smart Marketing” under its ACE methodology (Attract, Convert, Expand). Its specialty is automated email marketing integrated with CRM/ERP (it’s a Zoho expert), so each letter is part of a well-orchestrated customer lifecycle. Its cases prove it: +30% open rate for Heel, +50% lead capture for Breezom in two years. An agency for those who understand that email doesn’t live alone, but connected to the business’s data.
10. Digitalize Group
The Top 10 is closed by Digitalize Group, a 360° digital marketing agency from Málaga (“From Málaga with ♥”). It defines email marketing for what it is: “one of the best direct-marketing techniques,” a way to reach your customers right in the palm of their hand. It complements this with SEO, web design and development, online advertising, social media and the creation of strategic reports and white papers. A close, hands-on option for adding email to an all-round digital strategy.
The letter that actually gets opened
If you made it this far, it’s clear: email marketing isn’t about shouting at a list, it’s about writing the letter the other person wants to receive. Done well, it turns a saturated inbox into a profitable channel for a brand; done poorly, into another flyer on its way to the trash. The difference lies in strategy, segmentation and respect for whoever opened the door of their inbox.
The ten agencies in this ranking know how to write that letter. Each one reaches these positions on its own data for reputation, authority and presence, and the best fit depends on the business, the budget and the priorities of each project.
Looking for more information on service providers in Mexico? Explore all our rankings or contact us to suggest a sector for our next study.
Know another agency that should be in this envelope and isn’t? Tell us in the comments. 😉
About MKTONS
MKTONS is an independent research platform that produces objective rankings of professional service providers.
Each ranking is built on verifiable data and a public methodology: search engine positioning, online reputation, domain authority, presence in artificial intelligence responses, and social media activity. We don’t know the participants, and we don’t charge for taking part.
Our goal is to provide a neutral, up-to-date source that helps businesses and professionals make better decisions when choosing a service provider.
