The 10 best SEO agencies in Zagreb

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Choosing among the SEO agencies in Zagreb starts with one fact: Google dominates search in Croatia. According to StatCounter's measurement of search engine market share in Croatia for October 2026, Google handles 94.03% of searches. Most of the SEO work done for a Croatian business is therefore work for Google, and an agency that knows the Croatian market and its search habits has a real advantage.

Why does a Zagreb agency matter for SEO?

A website is no longer a rare asset. According to the Croatian Bureau of Statistics (DZS) ICT survey, published on 8 December 2025, 67% of enterprises had their own website in 2025. For a local company, the question is no longer whether it has a site, but whether that site appears when a customer in Zagreb searches for the service it sells.

Local presence helps in three concrete ways. Keyword research in Croatian reflects how people in Zagreb and across the country actually write their searches. An agency based in the city can meet in person when a project needs it. And a local team is easier to hold to account when results are late. Being in Zagreb is not a quality guarantee, though. This ranking uses two filters: an agency's own website must show a Zagreb address, office or team, and SEO must be central to what it sells.

What are local buyers afraid of when they hire an SEO agency?

Four fears come up again and again, and each one matches a check you can run before signing.

1. Paying a monthly retainer for reports that say nothing. Rankings move slowly, and a report full of positions with no visible link to enquiries or sales tells you little. Ask which result the SEO work is measured against.

2. Buying a generalist that treats SEO as one line on a menu. Several agencies here list ten or more services. That is not a problem in itself, but SEO deserves a named person and a written scope.

3. Croatian content that reads as generic. Pages that are translated or written without local context can bring visits without bringing enquiries. Ask who writes the Croatian copy and who checks it before it is published.

4. Losing control of the website and its data. Access to the site, the analytics and Google Search Console should stay in your name, so that you can change agency without losing your history.

How did we rank these agencies?

Four criteria, fixed before we looked at which agency came out on top, and applied only to what each agency publishes about itself.

1. SEO at the core. SEO appears in the agency's main offer, not only in a list of extras.

2. A Zagreb presence shown on the site. An address, an office or a team in Zagreb, stated on the agency's own website.

3. Proof published on the site. Named clients, testimonials attributed to a person or a company, or results the agency presents as its own.

4. A readable offer. A method in steps, published prices or packages, or a clear first step such as a free audit.

The homepage text used for each agency was collected for this review in November 2026. We did not reuse the return-on-spend figures, growth percentages or view counts shown on these sites as evidence of quality, because they cannot be verified from the outside. When an agency claims a number, the article says it is the agency's own claim. We did not audit a single campaign, interview a client or visit an office.

The 10 best SEO agencies in Zagreb

1. Ovisy

Ovisy calls itself an SEO-first marketing agency based in Zagreb. It says it has worked on more than 200 websites and names clients such as Generali, A1 and Tommy. SEO sits at the centre of an offer that also covers Google Ads, social media, digital PR, link building and visibility in AI answers.

Best for: Zagreb companies that want SEO inside a wider marketing plan run by one team. Its list of twelve services is broad, so ask which people run the SEO work and how it is reported.

2. Digitalni Puls

Digitalni Puls describes itself as an SEO and marketing agency from Zagreb. Its homepage says it has a transparent price list and shows testimonials attributed to named people and companies. SEO optimisation, PPC advertising and social media management are among its services.

Best for: businesses that want SEO with prices stated up front and references they can check. Ask for the price list in writing, with what each month of SEO work includes.

3. Honest Marketing

Honest Marketing calls itself a boutique digital marketing agency in Zagreb. Its site says it was founded in Ireland in 2019, that it works with a small number of clients, that it does not sell ready-made packages and that it publishes transparent prices. SEO comes first in its list of services, and it states a 4.9 rating on Clutch.

Best for: companies that want direct contact with the people doing the work and a small team. The site mentions brands in Croatia and abroad, so ask who runs your account day to day.

4. Nulla Marketing

Nulla Marketing is a marketing agency from Zagreb covering strategy, SEO, Google Ads, ASO and AI search. It says it has delivered more than 60 client projects and that one person stays in direct contact from the first conversation to delivery, after a workshop that defines the offer, the audience and the priorities.

Best for: companies that need a clear strategy before choosing channels. Ask who does the SEO work, and whether the workshop is part of the price or a separate step.

5. DigiAdria

DigiAdria is a digital agency from Zagreb that combines Google Ads, Meta Ads, SEO, websites, AI automation and training for entrepreneurs. Its homepage offers a free analysis and shows campaign results it presents as its own, including a return on ad spend of 1142% for a webshop.

Best for: webshops and service companies that want paid ads and SEO run by one team. Ask for reports on sales and enquiries, not only on clicks, and check how the ad results are measured.

6. Kala Presence

Kala Presence calls itself a full-service digital agency in Zagreb, focused on results. Its homepage lists website building, online advertising, marketing and SEO optimisation as its four services, says it works with more than 100 clients, and advertises free consultations as a first step. Its SEO offer is described as analysis, then plan, then implementation.

Best for: Zagreb companies that want websites, advertising and SEO from one team. The homepage names no clients and publishes no prices, so ask for named references and for the SEO scope in writing.

7. Digitalni asistent

Digitalni asistent is a digital marketing agency from Zagreb. SEO is its main stated focus, with service pages for SEO optimisation, Google advertising and webshop building, from the first SEO analysis to the content on the page.

Best for: small businesses that want SEO and a webshop from one contact. The site shows few named clients or case studies, so ask for references and for the results of past SEO work before the first invoice.

8. Aplitap

Aplitap is a digital agency whose homepage gives a postal address in Zagreb, on Ilica 310. It presents SEO next to web design, webshops, Google and Meta advertising, branding and social media, and says its websites are built for speed, clarity and SEO.

Best for: Zagreb companies that want a website built with search in mind, plus advertising from the same team. SEO is one service among many, so ask for the SEO scope in writing.

9. GoTraffic

GoTraffic is a performance marketing agency from Zagreb. Its site describes it as a Google Premier Partner since 2024, with more than 300 projects and more than 2 million euros of annual budget. Google Ads, Meta Ads, TikTok and SEO are its four specialties.

Best for: companies that want paid campaigns first and SEO as a second channel. Because SEO is one of four specialties, ask who holds the SEO work and what it delivers each month.

10. Digital Matrix

Digital Matrix is a digital marketing agency from Zagreb. Its homepage lists SEO, Google Ads, Facebook and Instagram advertising, social media management, web design and AI optimisation. It states more than 10 years of experience and more than 100 satisfied clients, with few named projects on the homepage.

Best for: local businesses that want one provider for many channels and an established Zagreb name. Ask for named references, since the homepage gives few.

The 10 agencies compared on what matters to buyers

The criteria below were fixed before we checked who meets them. Each cell reflects only what the agency publishes on its own site. Where nothing is published, the cell says so rather than guessing.

Agency	Stated focus	Zagreb shown on the site	Prices	References on the site
Ovisy	SEO-first marketing	Yes, title and text	Not published	Named: Generali, A1, Tommy
Digitalni Puls	SEO and marketing	Yes, title and text	Transparent price list	Named testimonials
Honest Marketing	Boutique marketing, SEO first	Yes, title	Transparent prices, no ready-made packages	Not named
Nulla Marketing	Strategy, SEO, ads, ASO	Yes, title	Not published	Not named, 60+ projects
DigiAdria	Ads, SEO, AI automation	Yes, text	Not published	Results, no client names
Kala Presence	Full service: web, ads, marketing, SEO	Yes, title	Not published	Not named, 100+ clients
Digitalni asistent	SEO and webshops	Yes, text	Not published	Few
Aplitap	Web, SEO, advertising	Yes, title and postal address	Not published	Not named
GoTraffic	Google Ads, Meta, TikTok, SEO	Yes, title and text	Not published	One project named (Centar Zlata)
Digital Matrix	Broad: ads, social, SEO, web	Yes, title and text	Not published	Not named

Read "not published" as a lack of public information, not a lack of competence. Several of these agencies probably serve more clients than their homepage shows, and the honest way to find out is to ask them directly.

What should you check before signing?

Three questions separate a shortlist faster than any case study, and each one answers one of the fears above.

1. Who will do the SEO work, and will you meet that person before signing? A named person who writes, checks and reports is the difference between a service and a sales pitch. Ask for that name in writing.

2. What exactly is included each month, and what is not? Ask for the scope in writing: the pages, keywords, content and technical checks covered, and who approves the Croatian copy before it goes live.

3. Which result will be measured, and from which starting point? Agree on one or two indicators you already track, such as enquiries, sales or the position of your key pages, and record their level on day one.

Where does this ranking stop?

Three limits, stated clearly, because a ranking that claims to settle everything is not useful.

It is built only on public information. We read what each agency publishes on its homepage. We did not audit a site, read a report, interview a client or visit an office. An agency that communicates little and works well will be underrated here.

It cannot know your context. A webshop that needs sales this quarter and a services firm that needs local enquiries rarely need the same agency. The Best for lines matter more than the order.

It ages. Agencies change their websites, teams and offers. The Zagreb filter depends on what each site shows today, so the list should be checked again before you rely on it.

What can an agency do that software cannot?

This is the honest part, on a page published by a software company. An agency beats software wherever the work depends on people: understanding a business, interviewing its experts, writing Croatian copy with the right tone, choosing which pages to build first, and judging when a technical fix will cost more than it returns. Software can speed up each of these steps, but judgement about a local market is still a human task, and anyone who claims otherwise is selling you something.

What no agency solves alone is the body of material that AI assistants and search engines read: your own site, your articles, your comparison pages and what customers say about you. That is the part that Sorank works on. Sorank is software, not an agency: keyword research, article writing, internal linking, publishing to your site, and tracking how often your brand appears in the answers AI assistants give. Pricing starts at 99€ per month, with 3 days offered and a card required at sign up. If you would rather talk it through first, book a call.

Conclusion

If you want one recommendation for Zagreb: Ovisy if SEO should lead a wider marketing plan with named references, Digitalni Puls if you want prices stated up front, and Nulla Marketing if you need a strategy before choosing any channel.

Then ask how the agency works before you ask what it promises. Check the Zagreb address, who does the work and how results are measured. For a broader view of when hiring an agency makes more sense than working in house, read our agency guide.

Honorable mentions: other SEO agencies in Zagreb worth knowing

One other agency came up in our review. It shows a Zagreb link on its own site, but its homepage lists SEO among a long menu of services, from web building to 3D printing, which is why it sits below the top 10.

Agency	Site	What they publish about themselves
Koni.Design	koni.design	Digital agency based in Krapina and Zagreb offering websites, eCommerce, AI chatbots, Google Ads and SEO, with 46 projects in its portfolio