CONTACT

Let's talk about your project

Q: How much does working with you cost?

Every project is different. We adapt to each client needs and situation — many of them have been growing with us for years. If your project excites us, we always find a way to work together. Get in touch, and we put together a custom proposal.

Q: Do you work with small businesses?

Yes, but our sweet spot is mid-size and large companies with complex digital challenges. If you have an ambitious project, let us talk.

Q: What languages do you work in?

Native-level Spanish, German, and English. Content in more than 14 languages through our network of native writers.

Q: How long until you see results?

SEO: 3-6 months for significant results. PPC: from the first week. AI tools: delivered in 4-8 weeks.

Q: Can I visit you in person?

Of course. We have offices in Barcelona and Herdecke. Give us a heads-up in advance, and we put together an agenda just for your visit.

Q: How do you measure results?

With real-time dashboards, monthly reports, and clear KPIs defined at the start of the project. Full transparency.

We're in Barcelona and Herdecke. Tell us your digital challenge and we'll respond within 24 hours.

[email protected] +34 935 329 378

<24h

Response time

100%

Messages answered

European offices

Working languages

Three ways to start the conversation

Pick whichever channel suits you best. They all reach the same team, and all guarantee a reply in under 24 hours.

Direct email

[email protected] for any question. Our account team reads it directly, no automated filters.

Phone

+34 935 329 378. Monday to Friday, 9am to 6pm (CET). You will talk to a person, not a bot.

Form

Fill in the form at the bottom of this page with your challenge, and we get back to you with a first take, no strings attached.

Our team

“Our team is ready to help you. When you reach out, you are not talking to a salesperson: you are talking directly to the person who will lead your project.”

Manuel Riveiro

CEO & Digital Strategist

🇪🇸 Barcelona

🇩🇪 Herdecke

🇨🇴 Bogotá

CONTACT CHANNELS

Choose your favorite channel

Available across multiple channels. Every one is answered by real team members, no chatbots, no filters.

📧

[email protected] — reply in <24h

💬

+34 692 060 707 for urgent matters

📞

Phone

+34 935 329 378 (Mon-Fri 9am-6pm CET)

📅

Calendly

Book a call directly

Two offices, one distributed team

Physical offices in Spain and Germany, plus a remote team across five countries. Choose where you would like to meet us.

Barcelona, Spain

Main office — Carrer del Consell de Cent 333, 08007 Barcelona. In the Eixample district, 5 minutes from Passeig de Gràcia. This is where the technology and strategy come from.

Herdecke / Dortmund, Germany

DACH office — Hauptstraße 47, 58313 Herdecke. Our gateway to the German, Austrian, and Swiss markets. 20 minutes from Dortmund.

Global remote team

Developers, analysts, writers, and designers across five countries (Spain, Germany, Colombia, Poland, and Turkey). We work wherever the talent is.

We respond in less than 24 hours. Always. No exceptions.

Manuel Riveiro

CEO of ZDS

Before you reach out

What you will be wondering before you write to us

The five questions we hear most often in a first conversation. Answered here so you come to us better prepared.

After the first contact, we schedule a 30- to 45-minute call. Then we spend several hours analyzing your project in depth and send you a written report with findings, opportunities, and an action plan. No cost, no commitment.

Every project is different. We adapt to each client needs and situation — many of them have been growing with us for years. If your project excites us, we always find a way to work together. Get in touch, and we put together a custom proposal.

After the contract is signed, we usually start within 1-2 weeks. For larger projects with complex technical onboarding, it can take up to 4 weeks. We tell you the real timeline as early as the proposal.

Technical and international SEO, GEO (AI Visibility), PPC and Performance Max, content marketing, marketing automation, and our own software development (AI Visibility Tracker, ETIM Classifier, dashboards). All under one team.

Yes, but with limited slots. We work with a limited number of clients per quarter to guarantee genuinely senior attention. If our calendar is full, we tell you honestly and suggest an alternative or a later start date.

Frequently asked questions

What people usually ask us

How much does working with you cost?

Do you work with small businesses?

What languages do you work in?

How long until you see results?

Can I visit you in person?

How do you measure results?

Legal notice

Your data is safe with us

Zander Digital Services International, S.L. — Tax ID B16615940. Registered office: Calle Rosselló 188, planta 4, puerta C, 08008 Barcelona. Registered with the Barcelona Companies Register, volume 48622, folio 28, sheet B-590415. We treat your data with the strictest confidentiality and use it only to respond to your inquiry. We never share it with third parties and delete it on request. Read our full privacy policy.

Prefer a more detailed form?

If you have more details to share — goals, context, attachments — use the full form. We reply in under 24 hours.

Manuel Riveiro

CEO & Founder, ZDS

Prefer a quick call?
Book it.

A conversation via Calendly. No hard sell, no commitment. Just to see if we are a good fit.

Book a call

Let's talk about your project

Free initial consultation

Three ways to start the conversation

Direct email

Phone

Form

Choose your favorite channel

Two offices, one distributed team

Barcelona, Spain

Herdecke / Dortmund, Germany

Global remote team

What you will be wondering before you write to us

What people usually ask us

Your data is safe with us

Prefer a more detailed form?

Prefer a quick call? Book it.

Prefer a quick call?
Book it.