CLOSTR
Digital Excellence

Transforming Your Digital Presence

We are a digital agency specializing in web development, SEO, digital advertising, and branding. We create comprehensive solutions that drive your business.

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150+ happy clients
★★★★★5.0 rating
+200

Projects Completed

+150

Satisfied Clients

+6

Years of Experience

24/7

Technical Support

Engineering
Solutions

Our Services

We offer comprehensive digital solutions to boost your business in the online world.

Professional Web Development
We create modern, fast, and secure websites that faithfully represent your brand and are designed to convert visitors into customers. We use WordPress or custom development according to your needs, with a focus on scalability and performance.
Artificial Intelligence Integrations
We implement AI solutions that improve your business efficiency and user experience. From intelligent chatbots and virtual assistants to content automation and personalized workflows.
Strategic SEO Positioning
We optimize your website for search engines with updated technical SEO, content, and authority techniques. We help you gain visibility, attract qualified traffic, and position yourself above your competition.
High-Impact Digital Advertising
We design advertising campaigns on Google, Meta, and other platforms focused on real conversions. We segment, analyze, and optimize every euro invested so you get maximum return (ROAS).
Branding and Visual Design
We build coherent, solid, and memorable brands. We design professional visual identities that reflect your purpose and connect with your target audience, from logo to complete graphic universe.
Intelligent Web Maintenance
We ensure your site works perfectly every day. Includes technical updates, automatic backups, attack protection, performance monitoring, and personalized technical support.

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Our Portfolio

Explore some of our most outstanding projects and discover how we've helped our clients achieve their goals.

Website Creation
Website Creation

Website Creation

Design and development of modern, fast (48h), and customized sites. We have created corporate platforms, e-commerce, and custom web systems with a focus on scalability, conversion, and user experience.

Client: Tech Solutions Inc.

Next.jsTailwind CSSTypeScript+1
Brand Identity
Branding & Visual Design

Brand Identity

Complete visual identity development from logo to coherent brand guidelines.

Client: Startup Innovadora

Brand StrategyLogo DesignVisual Identity+1
SEO
SEO Optimization

SEO

Increase your website traffic, comprehensive SEO strategy that increased organic traffic in less than 6 months.

Client: E-commerce Fashion

Technical SEOContent StrategyLink Building+1
Advertising Campaign
Digital Advertising Campaigns

Advertising Campaign

Multi-platform campaign that generated a 400% ROAS with precise targeting.

Client: Local Restaurant Chain

Google AdsMeta AdsInstagram+1
AI Projects
Artificial Intelligence Projects

AI Projects

Intelligent platforms, AI agents, intelligent chatbot that automated customer service inquiries.

Client: Customer Service Platform

OpenAIChatbotAutomation+1
E-commerce Platform
Website Creation

E-commerce Platform

Complete online store with inventory system and integrated mobile app.

Client: Fashion Boutique

WooCommercePayment GatewayInventory+1

Who We Are

We are a team of professionals passionate about digital marketing and web development. Since 2018, we have helped more than 150 companies transform their digital presence and achieve their business goals.

Our mission is to provide comprehensive digital solutions that generate tangible results for our clients, combining creativity, strategy, and cutting-edge technology.

Personalized approach for each client

Cutting-edge technologies

Measurable and transparent results

Continuous post-project support

Our team

Our Values

These principles guide our daily work and define our relationship with clients.

Innovation

We constantly seek new ways to solve problems and improve results.

Excellence

We strive to exceed expectations in every project we undertake.

Transparency

We maintain clear and honest communication with our clients at all times.

Commitment

We deeply engage with our clients' objectives as if they were our own.

What Our Clients Say

We are proud of the positive impact we've had on our clients' businesses.

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Maria González

Fashion Express

"Working with this agency has been an incredible experience. They transformed our online store and our sales increased by 70% in the first three months."

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Carlos Rodriguez

Advanced Technology

"Their SEO strategy exceeded all our expectations. We now appear on the first page of Google for our main keywords."

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Laura Martinez

El Sabor Restaurant

"The redesign of our brand and website attracted a new clientele. Their focus on user experience made a big difference."

5.0

Valoración Media

150+

Clientes Felices

98%

Satisfacción

24/7

Soporte

Contact Us

We're ready to help you transform your digital presence. Tell us about your project.

Send Us a Message

Contact Information

Location

Barcelona, España

Phone

+34 631 55 49 22

Email

client@clostr.com

Working Hours

Monday to Friday: 9:00 AM - 6:00 PM

Saturday: 10:00 AM - 2:00 PM

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