We are


An agency for PR and digital marketing. Our team thinks strategically, pursues and achieves its customers’ goals with quality corporate, marketing and digital communications, without ceasing to be consistent and in its actions.

what we do

Our team consists of experts with almost 15 years of experience in the field of marketing communications. It is acquired in different leading international and Bulgarian companies.

Corporate communications

Corporate identity, responsibility, reputation, events and crisis management

Digital marketing

Facebook Advertising, Google Advertising, LinkedIn Advertising, E-mail Marketing, Online Media Advertising

Website development

Corporate websites, One view sites, Online stores, Landing pages

Holistic communication strategies

Long-term business strategies, Digital strategies for branding, awareness, sales, B2B strategies

Digital content

Creative Visuals, Banners, Advertising Materials, Video Content, Copywriting

Comprehensive analysis

Current market situation, Competition status, Ad share, Consumer ratings

we conquer challenges with big ideas and precise implementation 

In times of changes in communication, digitalisation of business processes, and oversaturation with information, we have created a synergy of PR activities with effective digital services, which has proven successful over the years.

completed projects

satisfied clients

years in business

cups of coffee

What makes us different

What makes us different is the same thing that makes us happy – the passion for our work. That every day in the world of communications is not the same as the other. Challenging and thinking creatively is energizing. We strive to dress the messages in the right words, to present our ideas with inspiring design, to use the right channels, to digitalize marketing tools and to enjoy what we have achieved. We like to create ideas and solutions for the businesses while having fun, because that is the best way that lets our creativity know no boundaries.

our projects speak for themselves

The years of experience and persistence allow us to develop communication strategies for all types of brands from different sectors.


For us, the work in knowbox is a vocation and we put a lot of passion, dedication and professionalism in it. Over the years it has been generously honored by an array of awards.


of the endless work, effort and emotion we put into our work. Also the responsiveness and awareness of our clients. They are a product of our teamwork. We are also glad that our clients have always been ready to answer our questions that are needed to achieve their business goals. The most valuable thing for our team is to maintain a constant enthusiasm for creative thinking and purposefulness. This provokes us to develop ideas and be active for our clients, for ourselves and for the causes we work for, which repays us through these awards.


Because there is no obstacle that we cannot overcome together.