Control Your Consumption & Cost

We assist, support and advise large companies like yours by optimising their mobile telephone usage and monitoring their carbon emissions.

Discover our solutions

Who are we?

We assist, support and advise large companies like yours by optimising their mobile telephone usage and monitoring their carbon emissions. With this management taken care of, you can focus on your core business and no longer worry about telecoms or their increasing complexity and spend time and energy to reduce your emissions not to calculate them.

With almost 15 years of experience, CYC2 has observed a real transformation and significant diversification in the technologies and offerings of providers.

Management of mobile telecommunications and carbon emissions has become a business.

It’s what we do!

Reducing your carbon emissions starts with knowing your CO2 footprint

The unique Carbolean solution and technology collect all the data relating to direct emissions (buildings and transport) and indirect emissions wherever they are to provide you with a dashboard of your CO2 emissions every day.

Optimise your mobile phone usage and costs

Scan, analyse, empower and act to reduce your telecom costs.
Optytel takes care of optimising your company’s mobile telephony. Its support and advice will help you to make big savings.

The first international Pocket Wifi with no SIM card

Wyfibox is personal, portable Wi-Fi that is very easy to use. With it you surf everywhere, with no stress or surprises. Wyfibox provides secure and unlimited Wi-Fi access for 5 devices simultaneously.

The international eSIM card without roaming charges

With an EcoSim, you can connect to the best networks anywhere in the world at the lowest prices.

EcoSim is dedicated to data and exist in eSIM format but also available in traditional SIM format.

Founders & Management board


Frédéric Witmeur is a qualified economist, trained at the UC Louvain. Before joining Orange Business Services, as Global Account Manager, in 2000, he worked for Computacenter and ECS. In 2008, he took the plunge and started CYC2 with Optytel.


Charles Cuvelliez holds a PhD in civil engineering from the ULB. He has worked for the Orange group and Proximus. He was responsible for the first MVNOs in Belgium. For CYC2, he developed the core of the company’s services.


Jean-Pierre Cuvelliez has a civil engineering degree from the ULB. He has worked for ING and IBM, going on to found his first company, which has since been sold. He then created a second one in which he is also a partner. He joined full time CYC2 in 2021.









  • 2023

    Partnership with Shayp to increase Water Efficiency in the Buildings.

  • 2021

    Partnership signed with CO2logic

  • 2020

    Launch of Carbolean, the first fully automated Digital Carbon Footprint report

  • 2019

    Launch of the EcoSim solution for Mobile Data connectivity without roaming

  • 2017

    Launch of the Wyfibox with unlimited internet access worldwide

  • 2016

    Multi-country mobile telephony dashboard based on Microsoft PowerBI

  • 2015

    International Mobile Telephony Contract Benchmark Service / Creation and deployment of SIMBA (SIM Card management application) for existing customers.

  • 2014

    Creation of the product Wyfibox

  • 2011

    Integration of leading European providers for international customers

  • 2008

    Creation of CYC2 by Frédéric Witmeur & Charles Cuvelliez and launch of the Optytel (Optimize Your Telco) service in Belgium. Auditing of mobile telephone contracts and educating users about usage and costs

Our clients

Let’s meet!

A question ? Want to better understand our products and services? Let’s meet up ! Tell us what you prefer: stop by us or welcome us to your company.



Chaussée de Louvain, 431 (Bâtiment E)
B-1380 Lasne | Belgium

Phone : + 32 (0)2 851 00 10
E-mail :