PortraitAbout us

This is Abacus

Abacus is an owner-managed Swiss software company that employs over 600 people. For well over three decades it has been developing successful business software.

To ensure that our customers receive the best product with the greatest benefit, our focus is on development. Our network of qualified sales partners ensures that customers receive the best possible customer support and implementation.

Abacus Research AG, Wittenbach

Abacus was founded in 1985 by three University of St. Gallen graduates who are currently still active in the company. Today, Abacus is the largest and most successful independent Swiss provider of business software for small and medium-sized companies.

The Abacus Research AG headquarters is located in Wittenbach-St. Gallen. Other offices are located in Biel, Thalwil, Munich, Hamburg and Stuttgart.


engaged employees


training course participants annually


satisfied companies

Abacus Research SA, Biel

Since 2012, Abacus has had an office in Biel/Bienne, ideally located on the Bahnhofplatz. As a competence centre for the French-speaking part of Switzerland, this location provides training, support for sales partners and assistance with projects.


Abacus Research AG, Lugano

Located just a few steps from the lake, the Abacus offices in Lugano offer clients the opportunity to meet their consultants in a space characterised by the unmistakable Abacus style. The Lugano offices are also home to DeepCloud's customer support and marketing.

Abacus Services SA, Biel

Abacus Services SA is a subsidiary of the Abacus Group founded in 2020. It is located directly above the headquarters of Abacus Research in Biel, at Place de la Gare. The mission of Abacus Services is to support its customers in the implementation of the AbaBuild, AbaRealEstate and AbaFiduciary applications.


Abacus Business Solutions AG, Thalwil

Abacus Business Solutions AG based in Thalwil is the successor company of ARCO Software AG. They offer AbaBuild software to the ancillary building trade, install it on-site and also provide support.


Abacus Business Solutions GmbH, Germany

In spring 2009, the first international branch was established in Munich and six years later a further office was opened in Hamburg. This was an obvious step, as several customers in Germany had already been using Abacus' ERP solutions with great satisfaction.


Abacus HR Services GmbH, Stuttgart

Abacus HR Services GmbH, headquartered in Waiblingen near Stuttgart, was formed in 2020 from the former Gelbing Datensysteme GmbH. It specialises in payroll accounting and offers software solutions for various industries - including construction, industry, trades and publishing.