Best Social Media Advertising Agencies in Spain 2026

In a hurry? Jump straight to the ranking results ↓

Running social media advertising is a lot like trying to get served at the bar of a packed pub on a Friday night. The place is heaving, everyone’s talking at once, the music is loud, and behind the bar there’s a bartender who can only serve one person at a time. You raise your hand, order your drink with your best smile… and next to you there are fifty other people doing exactly the same thing. Winning that one-second glance, in the middle of the noise, isn’t about shouting louder: it’s about knowing where to stand and having the right gesture at the right moment.

The Instagram, Facebook or TikTok feed is that crowded bar. Your brand is one of thousands fighting for the attention of the same customer, who is there to pass the time and looks away the moment something bores them. That’s why choosing who to trust with your social media advertising campaigns matters so much: it’s the difference between the one who spends all night with their arm up and unnoticed, and the one who, with the right nod, gets the round first time. Choosing badly means burning budget shouting for something no one hears.

And that’s where your problem starts. Your boss asked you for a list of the best agencies in the country and, when you search, Google hands you twenty different rankings, each pointing at a different bartender as the fastest at the bar. The bar is the same, but every list swears it has the one who serves best. Who do you listen to? Because Spain’s paid social market is packed: there are agencies in Madrid, Barcelona, Seville, Valencia and half a dozen more cities, each promising that they get served first.

That’s why we built this ranking differently. No favors, no “the bartender we like best”: 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 brought order to the bar with no one’s taste getting in the way. It’s the difference between choosing by ear, by how the name sounds, and choosing knowing who actually serves fast.

The result? An honest snapshot of which agencies are best prepared to make your brand the one that catches the bartender’s eye in the feed. Get comfortable, lean on the bar and keep reading: here’s the Top 10.

	Agency	Total score	Rank “social media advertising agency”	Rank “meta ads agency”	Rank “social ads agency”	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	Arimetrics	58.13	4			4.9	6	2	14.81	59	25598	2858	7156	0.018	563	1.065	571		2900
2	La Teva Web	51.64	21	12		4.7	4	4	13.62	70	27645	1171	12635			2.472	1116	22	3012
3	Oink My God	46.82	8			5	1	3	7.55	54	2539	803	2171	0.009	9694	0.374	21073		10929
4	Marketin House	44.62	1			4.8	2	6	11.86	24	2694	45	78	0.196	3219	0.562	2476	4695		34
5	Digital Menta	42.8	14		23	5	1		4	39	4468	286	1403	0.068	23635	2.392	2829		1403
6	ClickAge	41.98	18	15	17	5	2	6	13.93	33	1296	60	374	0.849	2863
7	Línea Gráfica	41	16			4	1	7	5.78	57	260966	239	1812	0.156	2636	1.979	219			176
8	Ongoing Digital	36.96	17			4.8	4	4	15.71	37	1434	158	715			1.4	488	88
9	Deseoso	36.15	10			5	2	6	16	25	1482	14	18			2.352	287
10	Seonet Digital	33.9	11							56	754173	220	345	0.037	4320	0.134	4652
11	Marketeros Agencia	33.77	13	25		3.7		3	0.74	49	40288	288	667			0.462	1082			1130
12	Inbuze	19.41	23			5	1		2.67	36	14814	50	84			5.755	181		478
13	Kiiwiit	17.33	12							21	370					3.405	1182
14	Digital Zone	14.47	19			4.1				43	5284	34	42			0.7	988		211
15	Pan Agency	7.67	15							1	163

To deliver verifiable, accurate results we didn’t rely on gut feeling or on the bartender we like best, we played it safe with data and scripts. We combined six big factors for every agency:

Search positioning: the real organic Google position for the three key industry keywords, social media advertising agency, meta ads agency and social ads agency, . It’s the foundation of the ranking: whoever sells paid social should know how to get to the front of the bar themselves.
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, in an industry that sells exactly this, your own bar has to be lively).

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 social media advertising 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.

1. Arimetrics

First place in this ranking goes to Arimetrics, a digital strategy agency based in Madrid that has spent over 10 years running campaigns for more than 400 companies, from SMBs to global brands. What puts it at the top isn’t a single factor, but balance: it’s the agency that best combines its own positioning in the sector, domain authority and traffic volume across the whole Top 10. In the crowded bar, it’s the one that already knows the bartender by name.

It’s a Meta Marketing Partner, with direct support from Meta, and its specialty is Social Ads: advertising on Facebook, Instagram, TikTok and LinkedIn with a focus on lead generation and measurement. It adds a complete digital marketing ecosystem, SEO, PPC campaigns on Google, Bing and Amazon Ads, advanced digital analytics and email marketing,, always obsessed with measuring everything and attributing every euro to a business result. For a brand that wants paid social with a strong layer of data and analytics behind it, Arimetrics serves fast without spilling a drop.

2. La Teva Web

Second place goes to La Teva Web, a web design and digital marketing agency from Barcelona with over 20 years of experience helping companies of all sizes build a digital presence that generates business. It’s a Google Partner Premier since 2017, among the top 3% of Google Ads agencies, and its muscle shows: it’s the agency with the most domain authority and the most organic traffic in the whole ranking. It even ran a TV spot on TV3. At the bar, it’s the local: it’s been around so long it has a reserved spot.

In social advertising, it works Meta Ads (Facebook and Instagram Ads) within a digital marketing proposal that combines SEM (Google Ads), SEO, GEO (SEO for AI) and a strong component of custom web design and development, including e-commerce on WordPress and Shopify, . Its signature is a method proven over two decades and very long-lasting client relationships, with names like Revlon Professional Brands or Doraemon’s official store on its wall. For anyone seeking a veteran agency that integrates social campaigns with a solid website, La Teva Web is a bet with backbone.

3. Oink My God

Third place goes to Oink My God, a digital marketing agency with offices in Barcelona and Madrid and a motto that sums up its character: “Honest marketing made at home.” Its great strength is community: it’s the agency with the most Instagram followers in the Top 10 and one of the highest in authority, proving it practices what it sells on the very ground it sells it. It’s the one with a lively bar always full of regulars.

Its proposal combines online advertising (Social Ads and Google Ads) with a strong creative component: social media, design and branding, web development, email marketing, content marketing and B2B lead generation. It works with a very clear process, we chat, we think, we work, we deliver, and has helped brands like H-FARM build their lead-generation strategy via social media. Its clients include names like Cruz Roja Juventud and Alcon. For a brand that wants social campaigns with creative soul and close support, Oink My God orders the round in style.

4. Marketin House

Fourth place goes to Marketin House, a Madrid agency that ranks best for the sector’s main keyword, the best “number one” of its own bar, and defines itself as an in-house team for its clients: “we’re your agency, we’re your team.” It already has more than 40 active clients and manages 10 million euros of annual ad investment, and ranks among the 25 best digital marketing agencies in Spain and Madrid according to industry media.

Its strength is Paid Media, and within it Social Media Advertising takes center stage: Facebook Ads, Instagram Ads, TikTok Ads and LinkedIn Ads, alongside Google Ads, Bing Ads and display advertising. It adds SEO consulting, CRO, marketing automation and very defined verticals, educational marketing and e-commerce, . It’s a Meta Business Partner, Google Partner Premier, LinkedIn Agency Champion and Microsoft Advertising Partner, and it showcases social ads cases with over 2,000 leads generated in under two years. It’s also one of the few in the Top 10 to spread its community across every platform (Instagram, LinkedIn, TikTok and YouTube), practicing at each bar what it sells. For an educational or e-commerce business that wants paid social with total focus on profitability, Marketin House serves the pint without keeping you waiting.

5. Digital Menta

Fifth place goes to Digital Menta, a digital consultancy that presents itself as a strategic growth partner and stands out for its sector focus: it works by industry (SaaS, retail, e-commerce, fashion, construction, home deco) with its own reports and specialized teams. Its LinkedIn community, the largest in the Top 10, confirms its markedly B2B, performance-driven profile. At the bar, it’s the one who knows exactly what to order for each type of customer.

Within its capabilities, Social Ads sit alongside SEM, SEO, programmatic advertising, marketing automation, CRO, social media management and a powerful web analytics arm. Its pitch is digital efficiency with real business impact, backed by cases like Cosentino (where it reports capturing over 37,000 professional leads and nearly 29,000 end-user leads in a single year) or brands like Compac and Ysabel Mora. For a B2B or e-commerce company that wants paid social tied to data and to its specific industry, Digital Menta is a choice with judgment.

6. ClickAge

Mid-table stands ClickAge, a digital marketing consultancy born in Vigo in 2016 at the hand of Emanuele Ricciotti, today grown into an ecosystem of 4 companies and 17 specialists working as a single team. It manages over 4 million euros of ad investment per year and has more than 9 years of experience. Its flawless Google reputation and its balance of factors hold it right in the middle of the bar.

Its Social Ads service, campaigns that reach the ideal audience and maximize return, rests on a real specialization structure: SEM (Google and Bing Ads), SEO with a proprietary methodology (TECTA), conversion-focused web design, social media, AI and automation, and international marketing. Its signature is the focus on the “real economy”: syncing marketing and data with the client’s financial health to maximize profit, not just revenue. With more than 50 companies served and cases like Zelnova Zeltia or Krack, ClickAge is a solid option for anyone who wants a specialized team rather than a single account manager doing everything.

7. Línea Gráfica

Seventh place goes to Línea Gráfica, an e-commerce agency headquartered in Seville with offices in Madrid and Barcelona, over 20 years of experience in the sector and Shopify Premier Partner status. Its numbers impress: more than 7,000 e-commerce projects, over 200 migrations and more than 8 million euros of digital advertising managed per year. Its domain authority, among the highest in the ranking, holds it in the top ten. It’s the bar that has been serving for decades and doesn’t miss.

Its Paid Media arm works Meta Ads, Instagram Ads and TikTok Ads within an e-commerce-oriented proposal: PPC campaigns with automated optimization, SEO positioning and GEO (SEO for AI), social media, marketing automation, CRO and marketplaces (Amazon). It adds a powerful web development arm on Shopify and PrestaShop, with proprietary management software. It works remotely, with clients like Puro Ego and Dietisur. For an online store that wants its social campaigns integrated with the whole e-commerce machinery, Línea Gráfica serves rounds for the entire pub.

8. Ongoing Digital

Eighth place goes to Ongoing Digital, a Barcelona digital marketing agency born over 10 years ago at the hand of Marta and Juan, two entrepreneurs passionate about digital projects. Its philosophy is the one that names it: “always on,” a constant, dynamic presence so the brand is always on its audience’s radar. Its local reputation, with one of the best Google scores in the Top 10, keeps it steady at the bar.

In social advertising it works Social Ads across the board: Instagram Ads, Facebook Ads, TikTok Ads, LinkedIn Ads and even ChatGPT Ads, alongside Google Ads and Google Shopping. It combines this with social media management, audiovisual content, influencer marketing, SEO in all its variants, email marketing and web design. It also has a specific line of advertising for NGOs with Google Grants. Its clients talk about revenue growth of up to 200% two years running, like Yuxus. For a company that wants an involved partner who treats its campaigns as their own, Ongoing Digital doesn’t disappear when things get bumpy.

9. Deseoso

Ninth place goes to Deseoso, an agency that starts from SEO but has developed a solid SEM and Social Ads leg. Its Google reputation is among the best in the ranking, a flawless profile, and that local solidity is what keeps it among the top ten. At the bar, it’s the one who earned its trust by leaving every customer who passes through happy.

Its social advertising service rests on a team of ad creatives: Facebook Ads, Instagram Ads and YouTube Ads, with advertising strategy, campaign optimization and retargeting to re-engage those who already visited you. It complements this with social media management, Google Ads, email marketing, inbound marketing, web design and online stores, and a strong SEO base (audit, structure, link building, local and international SEO). It offers a free audit and works very close to each client’s needs. For an SMB that wants to add profitable social campaigns onto a solid positioning base, Deseoso listens before it serves.

10. Seonet Digital

The extended podium closes with Seonet Digital, a digital marketing agency with an international vocation (it operates in Spanish, English and Portuguese and reports clients on every continent) that also serves the Spanish market, where it ranks among the top positions in the sector. Its authority muscle is enormous: it’s the agency with the most backlinks in the whole ranking, by far. At the bar, it’s the chain that opens in several cities at once.

Its proposal is full service: social media campaigns deployed across platforms, Google Ads (Search, PMax, Shopping, Display and YouTube), SEO, content marketing, inbound, email marketing, influencer marketing, programmatic advertising, web design and development, and e-commerce. It puts generative AI at the center of its method, but keeps strategic judgment in human hands. It boasts serious credentials (Google Premier Partner recognized in New York as the best Latin American agency for search campaigns, and Yandex Platinum Partner in Doha) and a senior team. For a brand with international ambition that wants its social channels inside a global strategy, Seonet Digital has reach to spare.

The bartender your brand needs

Winning the customer’s glance in the feed isn’t about shouting louder or waving your arm harder: it’s about strategy, data and, above all, who you choose to stand at the bar with. We’ve just given you ten names that didn’t come out of a raffle or a favor, but out of hard data, measured and compared with the same yardstick for everyone. That’s the difference between a real ranking and a list of friends.

Now the next round is yours. You already know who dominates paid social platform by platform, who has the liveliest community, who works your specific sector and who integrates social campaigns with your website or online store. All that’s left is to choose the one who serves fast and place your order. Whether it’s a well-planned Meta Ads strategy or an online advertising campaign that gives your presence volume, the best agency is the one that knows how to stand at the bar with you, not the one that leaves you with your arm up.

Looking for more information on service providers in Spain? Explore all our rankings or contact us to suggest a sector for our next study.

Know another agency that should be on the 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.

Was this ranking useful?

Your page rank: