The Bridge between the United Kingdom and EU.

Riha & Stamac Group Ltd. 

We help our clients across the United Kingdom and Europe to transform, generate leads, manage their communication and tackle big challenges

We understand and reach audiences, manage relationships with key stakeholders and assist with regulatory, political and legislative goals. With our careful design campaigns and strategies,  we change minds and influence public opinion

Our website is currently under construction.

We apologize for the inconvenience. 

Our story

Backed with over 20 years of experience in diplomacy, communications, public affairs, public and media relations, marketing and NGO’s, Marusa Stamac and Zeljko Riha gathered a team of unique experts and consultants. Our close team members are former prime ministers, government officials, MP’s and MEP’s as well as UK’s leading entrepreneurs. 

With already established sister companies in Croatia, in 2021. we founded Riha & Stamac Group Ltd. that become an umbrella company for all our businesses. 

In 2021. Marusa Stamac won an Grand PRix 2021. award from Croatian Public Relations Association in the category of PR for institutions and non-governmental organisations for the project #manjiporezi for the Voice of Entrepreneurs Association. 

What we do

  • Strategic Consultancy
  • EU Public Affairs 
  • UK Public Affairs
  • Legislative and Regulatory Strategy
  • Predictive Analytics
  • Data-Driven Political Consulting
  • (Digital) Marketing Strategy
  • Reputation Management 
  • Crisis Communications
  • Media & Public Relations
  • NGO Consultancy & Campaigns
  • Competitive Intelligence
  • Influencer and Stakeholder Relations
  • Leadership Training
  • Public Speaking and Media Training 
  • Market Research

Team members

Željko Riha MCIPR
Founding & Managing Partner
Experienced marketing and communications professional with experience in political and marketing campaigns, diplomacy (two-term honorary diplomat) and crisis communications (OSCE). 

Maruša Stamać
Founding Partner
Experienced media & communications professional with extensive experience in EU public affairs, NGO’s, Project management, Public and Media training, Leadership Mentoring, Legislative and Regulatory strategy. 

Jadranka Kosor
Special Advisor
Former Prime Minister of Croatia

Alexander Siljanovski FRSA
UK Advisor
Award-winning founder & CEO, Management Advisor and Mentor. 

dr. sc. Davor Horvatić
Data Science & Analytics Consultant
Davor’s analytical approach and cutting edge AI tools for analyzing complex data enables our clients to make the right data-driven business decisions.

dr. sc. Petra Posedel Šimović
Data Science & Analytics Consultant
Petra’s analytical approach and models help clients understand their models of business and what is most important, helps them make the right decisions.