We about us

since 1997... At that time Internet was hardly known! But, we already had a website...

İletişim
AssertGEN Global E-Commerce Network was founded in Hanover, Germany, as an innovative solution partner for modern companies. Under the leadership of Arslan Serdar Sert, who serves as the owner and managing director of AssertGEN Global E-Commerce Network, our software expertise is combined with the dynamics of the German market.

As an official wholesale distributor for one of the leading software companies, we have been offering reliable solutions for e-commerce, web design, and operational optimization for years. Our passion for technology and our commitment to sustainable success drive us to build global networks and support companies in fully exploiting their potential.


With a broad portfolio of services, including ERP and CRM systems, cash register systems, hotel management software, and customized e-commerce platforms, we cover the needs of diverse industries. Arslan Serdar Sert brings comprehensive knowledge of digital transformation as an experienced sales manager at Google Ads and in the media industry, which we seamlessly integrate into our projects.

Whether for small businesses or international corporations, our partnership with various branch firms enables us to offer efficient, user-friendly tools that automate processes and promote growth. Rooted in Hanover, our sphere of influence ranges from the local scene to global e-commerce networks.


Forward-looking and customer-focused, we at AssertGEN strive to build bridges between cultures and technologies. Arslan Serdar Sert's vision of innovative solutions inspires our team every day. We are committed to quality, data security, and sustainable partnerships to secure long-term success for our customers.

Whether in the e-commerce world or in the hotel sector – with AssertGEN Global E-Commerce Network and KOALA Holiday - Elegant Hotel Booking Automation System by your side, you can effortlessly and successfully shape the digitization of your industry.
"seit 1997"

Our services for customer satisfaction

Digital marketing strategy

​​Our digital marketing strategy transforms your hotel into a strong online brand that attracts guests from all over the world. With customized campaigns based on data-driven analysis, we increase the visibility of your hotel and maximize bookings. From targeted target group addressing to integration into our Koala hotel reservation system, we ensure that your marketing goals harmonize seamlessly with your booking platform. AssertGEN and KOALA-Holiday offer you innovative tools and expertise to position your hotel unbeatably in the digital space - for more guests, higher sales and sustainable success.

Social media management

​Social media is the key to emotionally addressing your guests and presenting your brand in a lively way. Our social media management for the Koala hotel reservation system creates appealing content that delights your target group and ensures a consistent presence on platforms like Instagram, Facebook and LinkedIn. We link your social media activities directly to the booking system, so that interested parties can reserve with one click. With the expertise of AssertGEN and Akinsoft Germany, we create a dynamic online community that puts your hotel in the spotlight.

Services for content creation

​High-quality content is the core of every successful hotel brand. Our content creation services deliver convincing texts, impressive photos and videos that highlight the uniqueness of your hotel. From appealing room descriptions to storytelling that captivates your guests – we ensure that your content is perfectly integrated with the Koala hotel reservation system to promote bookings. AssertGEN and KOALA-Holiday guarantee you content that is not only aesthetically pleasing but also strategically optimized to reach your target audience.

Web design and development

​A professional, user-friendly website is the business card of your hotel in the digital age. Our web design and development team creates modern, responsive websites that are seamlessly integrated into the Koala hotel reservation system. With intuitive navigation, fast loading times and appealing design, we ensure that your guests can book effortlessly. Thanks to the expertise of AssertGEN and KOALA-Holiday, you receive a website that not only convinces aesthetically but also maximizes your conversion rates and strengthens your brand.

Search engine optimization

With our search engine optimization (SEO), your hotel will be displayed at the top of the search results. We optimize your website and content to increase visibility on Google and other search engines, and integrate it seamlessly with the Koala hotel reservation system. From targeted keywords to technical SEO, we ensure that potential guests can find your hotel quickly. AssertGEN and KOALA-Holiday offer you a sustainable SEO strategy that brings more direct bookings and international reach in the long term.

Paid advertising campaigns

Our paid advertising campaigns increase the reach of your hotel precisely and effectively. With targeted Google Ads, social media advertising, and retargeting campaigns, we address exactly the guests who fit you. Through integration with the Koala hotel reservation system, we measure the success of each campaign in real-time and optimize it for maximum bookings. AssertGEN and KOALA-Holiday use data-driven approaches to use your budget efficiently and measurably increase your sales.