About Us

Ereteam is a leading IT and consulting services organization in Turkey, providing Big Data Analytics and Business Optimization solutions in banking, insurance, retail, telco, pharma and public sectors.

One-stop-shop for all corporate Data & Analytics needs. We always challenge our team to find most innovative ways and disruptive technologies to solve business problems of our customers. We are working with best-in-class software organizations to help our clients with not only providing software tools and also providing proven industry best practices, delivering technical implementation, official training and post production support.

Largest organizations are trusting Ereteam in very large deployments of BI, Big Data, Planning & Forecasting, Campaign Management, Customer Engagement Projects. Our customers know that we always find a smarter solutions to their business issues.

Our mission is assisting to organizations for increasing their revenue, reducing costs, mitigating risks, increasing productivity and improving customer management.

Ereteam help to mid size to large organizations in Turkey, Kazakhstan, USA, MEA and CEE.


Building lasting relationships with our clients and sharing the responsibility of delivering their outcomes.Ereteam was founded in 2001 by Kutlay Şimşek and Berrin Şimşek with a vision of deploying “data driven decision making culture” to organizations. Because it was a long journey for an organization to adopting to change, but it was also though mission for Ereteam. Since The founders were the first consultants of the company with their multi-disciplinary experiences in their background it helped them achieving this target step by step. Below are the chronological history of Ereteam:

  • 2001

    - Ereteam founded.
    - First project implemented in budgeting and planning in Manufacturing

  • 2002

    First BI Projects Implemented in IT Services Industry and Telco Budgeting Projects Won

  • 2003

    Ereteam is growing in Pharma, Banking, Telco, Manufacturing BI and Planning Projects, won Oracle, Cognos Partner of the year in Turkey, BI Portal and Enterprise Portal & Collaboration projects implemented.

  • 2004

    Team is growing and implementing projects in Pharma

  • 2005

    - Entering Data Integration space with informatica partnership, more projects in insurance and first BI Extranet projects went live!
    - Cognos Partnership Expanded.

  • 2006

    - Authorized Training Center Entitlement with Cognos
    - Certified Partnership Level with Cognos

  • 2007

    - Cognos Gold Partner
    - Banking Projects Grows
    - Datawarehouse Skills are improwing
    - Retail Industry Expertise is improving with the new wins
    - Highest Level Partnership Achievement with Cognos
    - New Distribution Agreement Signed– Informatica – Leader in Data Integration
    - 1st Million USD Project Won (Banking BI Project at Akbank)

  • 2008

    - Global Sales Excellence Award – Cognos
    - Deloitte Technology Fast 50 Turkey / Technology Fast 500 EMEA Winner
    - New Distribution Agreement Signed– Unica – Leader in Marketing Management
    - Gilon Acquired Ereteam and Veri

  • 2009

    - Projects Of the Year – Cognos - IBM
    - 1st Projects with Unica in Campaign Management in Banking in Turkey

  • 2010

    - New Partnership Agreement signed– SAS –Fraud/Risk/Profitability Solutions
    - Ereteam founders bought back the company after Ness Acquires Gilon.

  • 2011

    - Authorized Training Center Entitlement with Cognos
    - Certified Partnership Level with Cognos

  • 2014

    - Partnership with Alteryx
    - Partnership with Tableau

  • 2017

    - Partnership with Boxever
    - Partnership with Clikfox
    - Partnership with Quilliup

Kutlay Erdal Şimşek
Founder - CEO
Berrin Şimşek
Founder - Deputy CEO
Erhan Eröztekin
Kemal Emre Öcal
EVP WW Sales & Marketing
Feriha Gökçe Kırbacı
VP - WW Industry Solutions Sales
Mustafa Tosun
Ayşegül Balyemez Öcal
Aylin Kaya


We see the world as constantly changing. Join us and drive the success of companies in this ever-changing, dynamic business market. Our clients are at the top of their game, motivating us to push harder, be stronger, and work smarter to design the best solutions in very effective & efficient ways.


When you join Ereteam, you join a talented team of individuals who love living in the digital age. We see technology as an asset to help our clients as well as our own professional development. Ereteam can help you take your career in new directions, or on your already chosen path. We are looking for the ones who have a passion for Corporate Performance Management in large enterprise environments.


  • Big Data Factory is Ereteam’s marketing initiative set up in order to increase the awareness of this increasingly important subject in the Turkish market.
  • Ereteam helps clients develop and execute a company-wide Big Data strategy. Ereteam advises on issues such as where companies should start with Big Data, when and what kind of business problems they might be facing and what kind of technologies they should use.
  • One of the important qualities of Big Data Factory is creating and implementing industry use cases. Ereteam experts prepare use cases for various subject areas and industries (e.g. optimising network capacity planning, understanding customer interactions, financial performance management etc.), based on industry best practices of proven Big Data Technologies. The cases are not just a concept, but have also been implemented.
  • Ereteam implements pilot projects and workshops, using its proven practices and methodologies. Companies later use the outcomes of workshops and pilot projects to set and implement their Big Data strategies.
  • Big Data Factory is the first initiative in the Turkish market in which workshops and big data discovery sessions are provided to companies.


Ereteam Blueprints deliver high quality solutions to clients quickly

  • The wealth of experience has been synthesised into Ereteam’s methodologies and best-in-class practices.
  • Industry Blueprints are well documented proven practices from projects that Ereteam delivered to clients in a wide range of industries.
  • The Blueprints encapsulate business knowledge of various issues, lists of KPIs, data models and technology expertise of Ereteam’s services team.

Looking for first class Data Champion?