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Think of the old-fashioned postman. Not the one who dumps flyers by the handful, but the one who knocked on your door, looked you in the eye and handed you an envelope with your name on it and a postmark that certified where it came from. That envelope didn’t get tossed into the recycling with the rest of the pile: it got opened. Because it arrived at the right moment, to the right person, and behind it was someone who had bothered to frank it properly. Email marketing, deep down, is exactly that: making sure your message is the envelope that gets opened, not the leaflet that ends up in the junk tray.
And that’s where the trouble starts. Your boss asked you for a list of the best email marketing agencies in Spain and, when you search, Google hands you twenty different rankings, each one stamping its own postmark on a different agency as “number one”. They all promise to deliver your letter by hand; none of them explains by what criteria. Who do you listen to? Because choosing badly here isn’t a minor detail: it’s trusting your database, the closest thing to a list of addresses of customers who actually want to hear from you, to someone who’ll burn it sending mail nobody opens. A good email marketing agency is the difference between a brand that builds a relationship through the inbox and one that ends up in the spam folder.
The Spanish mailbox, on top of that, is very crowded. Spain is a mature, competitive email marketing market: there are agencies in Madrid, Barcelona, Granada, Alicante, Málaga, Las Palmas and half a dozen other towns, from 360º consultancies that treat email as just another channel to boutiques that do only this and do it carefully. Telling the one who truly knows how to frank a mailing from the one that just has a pretty letterhead isn’t a job for an afternoon of searches, especially when every website introduces itself as the best post office in town.
That’s why we built this ranking differently. No favors, no “postmarks for friends”: concrete, verifiable data, processed with scripts. We measured real Google positions for the industry keywords, Google Business Profile reputation, presence in ChatGPT, domain authority, organic traffic and the strength of each social community. Then a scoring engine did the dirty work, with no one’s personal taste getting in the way. It’s the difference between dropping the letter in the box and crossing your fingers, or sending it registered, with a delivery receipt and tracking.
The result? An honest snapshot of which agencies are best prepared to make your emails arrive, get opened and convert. Get comfortable, check the return address and keep reading: here’s the Top 10.
Interactive ranking of the best email marketing companies in Spain
 |
 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) |
 TikTok (Followers) |
 Twitter (Followers) |
 YouTube (Subscribers) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Citysem | 56.7 | 4 | 4.9 | 5 | 3 | 15.55 | 48 | 24951 | 813 | 3397 | 0.302 | 1192 | 1.651 | 1489 | 33 | 370 | ||||
| 2 | ómibu | 52.33 | 7 | 4.8 | 5 | 3 | 12.86 | 54 | 7250 | 543 | 6840 | 1.111 | 8387 | 4.463 | 9694 | 126 | |||||
| 3 | BigSEO | 47.67 | 9 | 4.5 | 3 | 5 | 13.4 | 59 | 108497 | 474 | 11865 | 0.302 | 32882 | 4518 | 220000 | ||||||
| 4 | Prismalia | 47.1 | 8 | 4.8 | 2 | 6 | 14.41 | 59 | 3531 | 655 | 5714 | 0.462 | 2249 | 0.713 | 1321 | 1083 | |||||
| 5 | Webpositer | 42.27 | 6 | 4.8 | 1 | 7 | 7.88 | 52 | 17156 | 470 | 6805 | 1.501 | 29776 | 1244 | 10295 | 394 | |||||
| 6 | Coco Solution | 41.98 | 10 | 4.4 | 2 | 6 | 11.72 | 68 | 1433898 | 726 | 3914 | 6.281 | 337 | 73 | |||||||
| 7 | Digital Menta | 40.29 | 3 | 20 | 5 | 1 | 4.85 | 39 | 4468 | 286 | 1403 | 0.068 | 23635 | 2.392 | 2829 | 1403 | |||||
| 8 | Disruptivos | 39.37 | 3 | 4.9 | 3 | 5 | 16.1 | 46 | 17700 | 170 | 734 | 4.832 | 526 | 530 | |||||||
| 9 | Oink My God | 35.3 | 5 | 5 | 1 | 3 | 6.6 | 54 | 2539 | 803 | 2171 | 0.009 | 9694 | 0.374 | 21073 | 10929 | |||||
| 10 | BACAAM | 30.1 | 1 | 4.2 | 2 | 4 | 7.54 | 14 | 1839 | 16 | 212 | 0.275 | 1214 | ||||||||
| 11 | Adgoritmo | 16.57 | 6 | 5 | 1 | 2.42 | 20 | 781 | 38 | 170 | 0.282 | 6464 | |||||||||
| 12 | Email Space | 13.95 | 5 | 27 | 211 | 4 | 83 | ||||||||||||||
| 13 | Adrenalina | 10.62 | 17 | 49 | 11255 | 36 | 23 | ||||||||||||||
| 14 | Digital Response | 9.45 | 12 | 42 | 1554 | 35 | 52 | 51 | |||||||||||||
| 15 | MailingYa | 3.14 | 16 | 0.4 | 423 |
Best Email Marketing Agencies in Spain: our analysis
To deliver verifiable, accurate results we didn’t rely on a rule of thumb, we played it safe with data and scripts. We combined six big factors for every agency, the way you’d check the return address, the postage and the delivery address before dropping the letter in the box:
- Search positioning: the real organic Google position for the three key industry keywords, email marketing agency, email marketing company and mailing agency, . It’s the heart of the ranking: whoever can position their own mail proves they know the trade.
- Google Business Profile reputation: rating and review volume from the Google Business Profile, with an index that rewards agencies with genuine reviews (and gives Local Guides double weight).
- AI presence: who ChatGPT names when you ask it for the best agencies in the country, a new terrain that’s already starting to move the needle.
- Authority and traffic: Domain Rating, backlinks, ranked keywords and organic traffic (Ahrefs data).
- Social media: followers and, above all, real engagement measured on recent posts (Instagram and LinkedIn matter more than an inflated follower count).
If you want the fine print on how we assign each point, it’s all open in our research methodology behind the ranking.
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.
Top 10 best Email Marketing Agencies in Spain
1. Citysem
First place goes to Citysem, a digital marketing agency based in Granada that presents itself as one of the best-rated in its area and carries the Google Partner certified badge. What puts it at the top isn’t a single factor but the balance: strong positioning of its own, very solid local reputation and a close, hands-on service where, from minute one, you talk to an experienced team and not an answering machine.
Its franking of the mail is among the finest in the sector: it works email marketing heavily segmented by type of business (e-commerce, hotels and rural houses, dental clinics, lawyers, restaurants, accounting firms, real estate, associations and even podcasts), so each mailing speaks its recipient’s language. On top of that it offers web design and development, SEO and SEM, Google Ads by sector, web analytics, social media and multimedia. Its team boasts a minimum of five years of experience per person and applies AI “with judgment”, always in service of measurable results. For anyone who wants a post office that knows its neighborhood and writes to each client in their own tone, Citysem delivers by hand.
2. ómibu
Second place goes to ómibu, an all-round digital marketing agency also rooted in Granada and defined by one healthy obsession: its clients. Its motto, “we serve the client even before they know us”, sums up a philosophy of closeness that shows in its reputation and, above all, in the pulse of its community: it’s one of the agencies with the highest social engagement in the whole Top 10.
ómibu organizes its work into independent, interconnected departments by specialty, so each discipline is handled by whoever truly masters it. Its repertoire covers Social Media, branding, web development, SEO and SEM, with email marketing and automation built into its digital strategy. Its client roster has recognizable names, Granada CF, Carlin, Los Manueles or Jamones Vallejo, among others, that testify to work ranging from local business to big brands. For anyone looking for a sender that takes care of every detail of the mailing and treats their project as its own, ómibu writes in a fine hand.
3. BigSEO
Third place goes to BigSEO, based in Barcelona and with muscle that’s hard to match: it’s the agency with the most authority, most backlinks and most traffic in the whole ranking, plus one of the largest social communities. It is, in practice, the fleet’s big sorting center: high volume, wide reach and a battery of success stories it displays without shyness.
Its approach is that of an ROI-driven digital marketing agency, where email marketing lives alongside SEO, paid media (Google, Facebook, YouTube and Instagram Ads, remarketing), SEO in LLMs, web development, AI for companies and CRO. It also adds a powerful training arm with its own master’s programs in SEO, AI, Digital Marketing, Data Science and Cybersecurity. It shows off cases like Typeform (which went from 1,000 to 83,000 monthly visits in six months), Enrique Tomás or Sports Law Institute. For anyone after pulling power and results at scale, BigSEO delivers across the whole city.
4. Prismalia
Fourth place is for Prismalia, a digital marketing agency from Madrid with one very clear idea tucked inside the envelope: business first, marketing second. Its PRISMA Method diagnoses the company before proposing a single action, and its message is written without detours: “revenue, not impressions; customers, not clicks”. That discipline, together with a carefully tended local reputation, keeps it in the upper part of the table.
Its Inbound Marketing service is where the mail lives: Email Marketing, newsletters, marketing automation, lead generation and lead nurturing, all designed to turn a stranger into a community of fans. Around it, it offers web design and programming, SEO and positioning, SEM (Google Ads, Meta Ads, LinkedIn Ads and Bing Ads), social media management, branding and graphic design. It’s a Kit Digital agent, with grants of up to €24,000 to digitalize your business. For SMEs that want every euro to have a return address and a destination, Prismalia franks with its head.
5. Webpositer
Midway through the table comes Webpositer, an agency based in Alicante with a credential that’s hard to beat: more than 25 years scaling digital businesses and a team of more than 40 professionals who, in their own words, feel every brand as their own. Its local reputation is among the firmest in the ranking and its message preaches a virtue that’s rare in the sector: patience, because “slow is the fastest way to reach your destination”.
Its specialty is Digital Brand Strategy, and within it email works as a direct route to capture and nurture the audience with real stories of businesses that grow. It works on the growth of brands like Druni, the Ilia Topuria Store or Belevels, and prides itself on a proprietary method that shuns websites and campaigns “like all the others”. For anyone who wants a veteran sender, one that treats email as part of a long-term brand strategy and not a one-off mailing, Webpositer has the feel of the trade.
6. Coco Solution
Sixth place is for Coco Solution, a 360 digital marketing agency based in Las Palmas de Gran Canaria, recognized as an Innovative SME, that has crossed the ocean and also serves from Colombia. What pushes it up here is a powerful combination: the highest domain authority in the whole ranking and a notable ability to generate real business, with more than €2.3 million generated for its clients in a single year, according to its own website.
Its post office is complete: Email Marketing within a battery of services that includes SEO, GEO, Social Ads, Google Ads, social media management, content marketing, CRO, branding, web, app and software development with proprietary technology, and an artificial intelligence unit. It wraps it all in a laid-back philosophy, “we love what we do”, and in its own products, like its AI-powered WhatsApp customer service manager. For businesses that need a big agency able to cover every front without dizzying the client, Coco Solution delivers with its own seal.
7. Digital Menta
Seventh place goes to Digital Menta, a digital consultancy based in Madrid that positions itself as a strategic partner by industry: SaaS, retail, e-commerce, construction, fashion and home deco. Its hallmark is the strength of its professional community on LinkedIn, one of the largest in the ranking, and a message backed by industry reports and well-documented success stories.
Here the mail is part of a bigger machine: Email Marketing and Marketing Automation coexist with SEO, SEM, Social Ads, GEO (SEO for AI), programmatic advertising, web analytics, CRO, copywriting, chatbots and AI applied to marketing. It works with brands like Cosentino, Compac or Ysabel Mora, and some of its clients have been with them for more than four years after tripling their sales. It presents itself with “liquid”, multidisciplinary teams, with people at the center. For companies that want their email to be one more piece of a growth strategy measured to the millimeter, Digital Menta orders the delivery.
8. Disruptivos
Eighth place goes to Disruptivos, a digital growth consultancy based in Málaga that makes clear from the outset it’s not “a run-of-the-mill services agency”. With more than 10 years generating leads and running its own business, its great strength is an excellent local reputation and a proprietary five-phase method (understand, decide, activate, scale and optimize) that orders each project from diagnosis to continuous improvement.
For Disruptivos email isn’t an end but a lever pulled when it adds value: its loyalty and lifecycle block combines Marketing Automation, Email Marketing, CRM consulting and strategies for retaining and reactivating customers. Around it, it works business consulting, digital strategy, applied AI, SEO, content, lead generation, CRO and analytics (GA4, Data Studio, Tag Manager). Its ideal client is a company with traction, in lead generation or e-commerce, that wants to go from “doing things” to “managing better”. For anyone who prefers judgment over activations by inertia, Disruptivos thinks the mailing through before franking it.
9. Oink My God
Ninth place is for Oink My God, a digital marketing and communication agency with offices in Barcelona and Madrid and a motto that defines it: “Honest Marketing Made at Home”. Its promise is to make you feel at home and work hand in hand with you, and its social community, one of the largest in the Top 10, backs up that close, creative character.
Its service menu puts Email Marketing alongside online advertising (Google Ads and Social Ads), SEO, Social Media, content marketing, B2B lead generation and design, branding and web development. It works with brands like Mobles 114, Calma House, TTandem, MyPoppins or H-FARM, and follows a clear four-step method (We Chat, We Think, We Work, We Deliver) so the client is informed at every stage of the delivery. For anyone after creativity without giving up strategy and analytics, Oink My God puts care into every envelope.
10. BACAAM
The extended podium is closed by BACAAM, a digital communication agency based in Madrid that works for all of Spain and reaches here, above all, thanks to its strength on the sector’s main keyword: it’s the one that best positions its own mail. It introduces itself with a simple, direct idea: “we create ideas so you sell more, sell better”.
Its profile combines communication (content, press and media, audiovisuals) with digital muscle: Email Marketing, web design and development, SEO, SEM and PPC campaigns, social media management and event organization. That blend of communication and marketing makes it useful for brands that want their email aligned with a coherent story across every channel, not as a loose piece. It offers a free initial consultation and is a Kit Digital agent. For SMEs looking for a sender that cares for the message as much as the delivery, BACAAM signs in a fine hand.
Beyond the postmark
Delivering the mail well isn’t a matter of luck or of having the flashiest letterhead: it’s a matter of method, of knowing who’s going to open the envelope and, above all, of who you trust with your list of addresses. We’ve just given you ten names that didn’t come out of a drawer or a favor, but from hard data, measured and compared with the same yardstick for everyone. That’s the difference between a real ranking and a list of postmarks for friends.
Now the next delivery is yours. You already know who knows their neighborhood best, who has the most pulling power, who treats email as part of a brand strategy and who integrates it into an automation machine from end to end. All that’s left is to choose the right sender and send the letter. Whether with an email strategy that builds loyalty with your community or a digital advertising campaign that brings you customers from day one, the best agency is the one that writes with you, not the one that leaves your message in the spam folder.
Looking for more information on service providers in Spain? Explore all our rankings or contact us to suggest a sector for our next study.
Do you know another agency that should be on this list and isn’t? Tell us in the comments, this ranking gets updated, and so does the data.
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.
