We are a premium Digital Agency in Greece specialised in e-commerce & hotel internet marketing. We are a certified digital agency and we can help you succeed on the web. Grow your business using our premium services. Make a story telling website, sell your products online, get your own booking engine, increase your bookings or sales with Google Adwords & Facebook campaigns. Start today!

We are an AngularJS & React JS Agency

TWENTY ONE is a premium AngularJS & React JS agency. With hundreds of enterprise retailers, we’re building the best digital experiences according to clients needs.

Our services are usable, robust and highly scalable that help businesses work easier. The quality, design and usability of our services is what sets us apart from the competition. We’re working on all sorts of exciting areas of application development: web, mobile, infrastructure, performance, ui/ux design, integrations with dozens of web services, API development, modern front-end frameworks, scalability, video, natural language processing, data science and usability engineering


Our Services

We are a premium digital agency located in Athens, Greece.

We can help you make your own digital story.

Brand Design

Focused on conversion rate maximization, we design a successful brand strategy according to the industry’s best practices and to manage your business online presence.

Web Design

Our team of awarded designers and hands on experienced programmers design and develop an astonishing, optimized website for your business based on the latest technological trends.

UX/UI Design

Our UI Designers create amazing user experiences. We execute all visual design stages from concept to final hand-off to engineering. We conceptualize original ideas that bring simplicity and user friendliness to complex design roadblocks

Mobile Applications

We’re working on all sorts of exciting areas of mobile application development: mobile, infrastructure, performance, ui/ux design, integrations with dozens of web services, API development, modern front-end frameworks, scalability.

Search Engine Marketing

We help businesses find their way to absolute success. We provide our customers with exceptional e-commerce solutions that extend from research and planning to execution and evaluation.

Revenue Management

We can help you increase sales by analyzing / forecasting demand, creating and developing pricing strategies in conjunction with the individuality of your business and establishing effective selling strategies, oversell strategies, and optimal market mix, including group, transient, etc.

Download our mobile app

Every week our Marketing team, presents articles with tips & ideas for the marketing of your hotel or your online store. You have the chance to learn more about direct sales, channel management, revenue management, marketing tips. Articles come to your phone through push notifications. Download the smartphone application!

Selected Projects

Happy Clients

The brands below are just a sample of more than 200 clients worldwide who transformed their business by using our services.

Get Connected

The NSA already takes care of our social media profiles, for everyone else who wants to get connected with us regularly, do not hesitate, we are waiting for you!

Drop us a line

We welcome you to contact us for more information about any of our products or services. Kindly keep in mind that all of our projects start at EUR 1.500 while the minimum monthly contract for Digital Marketing services start at EUR 1.000.

Dimitriou Gounari 78
166 74 Glyfada, Athens Greece


+30 210 3000 463