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Pioneers in the creation of
integrated software solutions
Open System Solutions
Open System Solutions develops, in a continuous and uninterrupted way, innovative IT systems and solutions which, in combination with the high-level services it provides, achieve the digital modernization and enhanced competitiveness of the companies that select it.
 
The most integrated solution in intensive retail. Simply.
Open Retail Suite
The Open Retail Suite is the most reliable, easier to use, faster and most competitive system in the Greek market of retail sales software applications.
Bronze Award - Impact Business IT Excellence Awards 2017 Bronze Award Impact Business IT Excellence Awards 2017
 
The success of your company
lies in A SINGLE application!
Open Accounting ERP
The basis of each management system by OSS is the Open Accounting Suite. Since “details make the difference”, now you have a real opportunity to take full advantage of this application’s characteristics and possibilities, in order to enhance your company’s profitability and development!
Bronze Award - Impact Business IT Excellence Awards 2017 Bronze Award Impact Business IT Excellence Awards 2017
 
Time to become “champions” in the management & development of your gym.
Open Fitness Suite
Each training, well-being and “good life” space attracts the interest of many clients, regardless of age, financial standing and gender. By using the Open Fitness Suite, you can offer the best to as many clients as you wish, while the power and speed demonstrated in managing your space is still ranked at the “top places”!
10 + points, where the system excels.
 
See the opinions and
stories of our clients
Opinions and Stories of our clients
Leading businesses active both in the Greek as well as the international market choose us, trust us and achieve their targets.
OSS
Open Retail Suite
Open Accounting ERP
Open Fitness Suite
Case Studies
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WCAG - 2.0 - Level AA checked ΕΣΠΑ

Why choose OSS?

Immediate solutions
Immediate solutions

We guarantee the immediate resolution of any new issue or need that may occur in relation to the operation and features of your business, through your adjusted Open System.

7/7 Support
7/7 Support

You enjoy continuous & uninterrupted support & service, 7 days a week

Evolution & Development
Evolution & Development

You achieve a smooth rate of operation, development and expansion for your company

Time Saving
Time Saving

You save time, money & reliability, whether you have a small business, a franchise, a major supermarket chain or a multinational company.

Οpen System Solutions

OSS’ long experience

at the service of your business sector

OSS SOLUTIONS
Solutions designed for the activity of your company.

Each of our systems is an integrated solution for each need of your activity, your clientèle or the services you manage, as well as for the workload you have to handle on a daily basis.

OSS PRODUCTS
The Open Retail Suite is the most reliable, easier to use, faster and most competitive system in the Greek market of retail sales software applications.
The basis of each management system by OSS is the Open Accounting Suite. Since “details make the difference”, now you have a real opportunity to take full advantage of this application’s characteristics and possibilities, in order to enhance your company’s profitability and development!

10 + 2 points, where the system excels.

There is no better advertisement than our satisfied clients’ feedback.

Software extensions - Connection to other systems
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