Our clients


More than 200 organizations currently use Sigma Conso software solutions.

Size, consolidation scope, industry, geographical presence, shareholders, … our clients are all unique.

They are constantly evolving: new acquisitions, international expansion, new shareholder composition … Sigma Conso provides them with the adequate solution, at each stage of their development.

What our clients say:

A leading provider of outsourced administration services, with a global presence: “We deliver consolidation services to a highly discriminating clientele with various profiles. We have extensive expertise in addressing the difficult consolidation issues that arise with international groups of companies that must comply with local GAAP or IFRS. To provide the best service to our clients we needed a reliable and flexible tool as well as efficient technical support. The web-based technology of Mona Group Reporting and the expertise of Sigma Conso were key in our decision to work with them.”

An investment holding company, exchange listed: “We were looking at replacing our old consolidation software. Based on the survey we performed, Mona Group Reporting quickly appeared to be the best match for our needs. Sigma Conso was fully responsible for managing the implementation project. Not only did they meet the deadline and respect the budget but the team in charge of the project also demonstrated an outstanding level of expertise: Sigma Conso conducted the project in full autonomy, leaving our team time to deal with our current business.”

Multinational industrial group: “We were looking for a solution to manage both consolidation and financial reporting and we quite logically selected Mona Group Reporting. We have more than 150 entities all over the world and we especially appreciate the multi-currency capability of the solution and the fact that it is fully web-based, making it possible to involve all of our subsidiaries in the process. We have also been extremely pleased with the quick and easy implementation. And last but not least, the fact that we have full control over the parameterization of the software is a guarantee for autonomy in the future and adaptability of the software at no extra cost."

  • Stéphane Bourg, Director of Consolidation Department, Alter Domus
    “Alter Domus delivers consolidation services to highly discriminating clientele with various profiles. We have deep expertise in addressing the difficult consolidation issues that arise with international groups of companies that must comply with local Gaap or IFRS. To provide the best service to our clients we needed a reliable and flexible tool as well as efficient technical support. The web based technology of Mona Group Reporting and the local presence of Sigma Conso in Luxembourg were key in our decision to work with them.”

    Alter Domus is a leading independent provider of professional administration services for multinational corporations and alternative investment funds. Founded in Luxembourg with origins in a Big Four accountancy practice, Alter Domus has 12 offices across three continents and professional staff with strong expertise in corporate and management services, consolidation, fund administration, and fund reporting services. Alter Domus supports the accounting, consolidation, tax, regulatory and compliance requirements of legal structures established by its clients in each of the jurisdictions in which it operates.

  • Chantal François, Consolidation Manager
    “Since 2005, we have been a keen Sigma Consolidation user for the preparation of the consolidated financial statements of Deloitte Group and so far, we have really appreciated the full support from Sigma Conso on technical matters as well as on consolidation issues. In addition, we have also experienced the high quality and practical aspects of the consolidation academy and do not hesitate to send out our new staff to attend these training sessions.”

    About Deloitte in Luxembourg
    In Luxembourg, Deloitte consists of 69 partners and about 1,100 employees and is amongst the leading professional service providers on the market. For over 60 years, Deloitte has delivered high added-value services to national and international clients. Our multidisciplinary teams consist of specialists from different sectors and guarantee harmonised quality services to our clients in their field. Deloitte S.A. is a member of Deloitte Touche Tohmatsu Limited, one of the world’s leading professional services firms.

  • Dirk van der Jeugt, Consolidation Manager:
    “Sigma Consolidation helps us achieve a high level of automation in our consolidation process. Thanks to the decentralized Sigma Bundles, we benefit from validated and complete figures before starting the consolidation process itself. The audit reports provided by the software allow the auditors to directly access the relevant information and consequently help them speed up their review process.”

    About P&T Luxembourg: The Group P&T Luxembourg is the leading provider of postal and telecommunications services in Luxemburg. In the postal area the Group offers high quality services for professional and residential customers. In the telecommunication area P&T Luxembourg runs both fixed and mobile networks and provides throughout its subsidiaries a full range of voice and data services (networks, transfer, storage,...). P&T Luxembourg also offers a wide range of financial services including its CCP Connect e-banking solution. With 3.600 staff, the P&T Group is the fourth largest employer in the Grand Duchy. In 2010, the P&T Group's total turnover was 633.35 million euros.

  • Pierre Donis, Partner
    “Our challenge was to select a professional consolidation tool to help us provide high quality services to our clients. Sigma Consolidation proved to be the perfect match to our need: the audit trail capabilities, the validation rules and the set of events securing each step of the consolidation process are really essential to provide our clients with the quality of service they deserve.”

    About PwC Luxembourg: PwC Luxembourg employs about 2000 professionals from 53 different countries. PwC (www.pwc.com) provides industry-focused assurance, tax and advisory services to build public trust and enhance value for our clients and their stakeholders.

  • About Chimay Group: The famous Chimay trappist beer is always produced in the abbey Notre Dame de Scourmont; the beer is exported worldwide; this activity belongs to a non-profit foundation, Foundation Chimay-Wartoise, that distributes the income for social goals.

    Philippe Dumont, CEO, Chimay Gestion:

    "SigmaConso provides us with outsourcing services. They have to manage a complex group structure and as part of a complete reporting service, they also provide management information such as a segment consolidation for our different activities. We also appreciate the high level of expertise provided by the teams."