The sports betting arm of Gauselmann Group
The Top Sportsbook Company for the German-Speaking Region
Bespoke trading & sportsbook solutions for the industry’s tier-1 operators.
Software experts providing solutions to renowned brands in Africa and worldwide.
Africa’s fastest growing gaming company
FSI’s Proof Of Concept & Europe’s 1st Fantasy Betting site between 2014-17


FSI offers the most complete range of fantasy sports gaming options. It has been the first company to launch fantasy betting services in Europe through its own fantasy sport product, Bet4theBest, and gain hands-on B2C and marketing management experience.


Powered by our innovative platform and deep insight in fantasy sports betting and skill gaming, we provide tailored white-label solutions to iGaming operators and business companies seeking a modern and effective customer acquisition tool.

We simply have everything you need to create an engaging, competitive and fully licensed iGaming product that fits your operational model like a glove.





Real money
Virtual currencies

Bet Types


Payout Structures

Fixed Rewards
Pool / Pari-mutuel

Social Features

Private Leagues
Direct invites




We have developed the optimal Fantasy Sports Solution for every operator

A complete software offering for the iGaming industry, designed to increase
customer attraction, enrich Marketing strategy, provide competitive content and
an exciting gaming experience.

We Offer:


Fully customizable Fantasy Sports products for Lottery, Sportsbook and Social gaming.


Online, Mobile-first and Retail Options.


Backend Support Services


A Software as Service (SaaS) product for more flexibility at less cost.


A variety of payout structures (Fixed Rewards, Pari-mutuel, Fixed Odds).


Marketing strategy and day-to-day management consulting.


Feedback monitoring and assessment for dynamic product development.


Full adaptability in Regulatory frameworks.


  • Uses state-of-the-art technology

  • Is a multi-game suite, offered as a full package or stand-alone products.

  • Covers all sports and gaming concepts

  • Is modular, for flexible product selection and implementation

  • Is an Omni-channel product offering a seamless user experience

  • Utilizes Social Features and offers Social Gaming opportunities

Set the Odds with Fantasy Sports!

  • Quick & Easy

  • Resolves Player Liquidity Issues

  • Cuts Marketing Expenses

  • Doesn’t Need Separate Licensing

  • Fits the Mentality of Your Customers

Fixed-Odds-Fantasy Offers:

  • Increased Playability
  • Maximized Audience Reach
  • Content Creation Solutions
  • Customer Engagement Opportunities

  • Advanced Marketing Strategy Options

Raise Your Game

The above information is required for technical and communicative purposes, in order for you to be able to access and test Fantasy Sports Interactive’s (FSI) product platform. FSI will use them to contact you to provide you with the appropriate demo account credentials, any further product details or updates.
Fantasy Sports Interactive operates according to the EU General Data Protection Regulation (GDPR) and is under obligation to protect your data, bound not to sell, rent, lease or forward your information to any third parties, while it requires your explicit consent to collect and use the data you will enter.
By entering the required information and ticking “I Accept”, you declare to accept the use of your personal information by Fantasy Sports Interactive (FSI), as stated above. You can withdraw your consent anytime by sending a request in writing, to



Dennis Tsalikis

Co-founder & CEO

A serial entrepreneur with extensive experience in setting up and managing businesses in diverse sectors, Dennis is co-founder and CEO of Fantasy Sports Interactive. He decided to combine his passion for Fantasy Sports with his skill in establishing successful businesses.  Dennis has an engineering background and prior to starting his own business ventures, he was employed at Vertu.

Bill Mexias

Co-founder & COO

Co-founder and COO of Fantasy Sports Interactive, Bill has a background in economics. Prior to his full time involvement with fantasy sports, he was the COO of V-CUBE, a Greek national champion in the European Business Awards 2013/14. Bill has also held positions in Risk Management for Investment Banks in the past, including for Barclays Capital and Nomura.

Bill Neiadas

Chairman of the Board

Formerly General Manager of the Games Services Division of the Organizing Committee of the Olympic Games ATHENS 2004, Bill Neiadas has served as Managing Director of the Greek State Lottery (OPAP S.A.) and Executive VP in Business Development and Investor Relations of Centric S.A. (the official agent of SportingBet in Greece). He has been an elected member of the Board of Directors of the World Lottery Association (WLA).

Tasos Apostolidis


Fantasy Sport Interactive’s CIO is a former senior executive of Piraeus Bank in Greece, who has served as the Manager in Chief of the Business Architecture department of the bank’s Retail Banking, as well as Head of IT of Piraeus Factoring. Tasos is also the man behind the first internet platform for consumer factoring in Greece.

Vangelis Stamatoukos

Business Development

Vangelis has extensive experience in the business development and expansion of technology companies. He spearheaded the Sales team of Velti from the start-up phase to its listing in NASDAQ. He is Board Advisor to several technology firms including Ayannah (SE Asia mobile payments) and Intelen (digital consumer engagement). Vangelis also holds a Harvard MBA.