About us
Welcome to Sirmo. Say hello to Growth-Marketing
Sirmo is a software startup based in Groningen, the Netherlands. We develop software applications that help customers worldwide to expand their (online) reach and grow their businesses.
The last decade, social media usage has increased masively. On average, we spend 2.5 hours a day on social media, which has a huge impact on the way companies advertise. Social media can boost conversion rates and companies can reach their target audience at the push of a button.
We help companies grow online. Our software products allow customers to create beautiful marketing campaigns that help increase the amount of followers, likes, visitors, and subscribers, among other things.
Our mission
We believe companies in all shapes and sizes should get a fair chance to market their products or services. That's why we want to make these companies independent when it comes to marketing. We help them build a strong and long-term follower base.
Meet our team

Jochum Beerepoot
Founder
Jochum Beerepoot is a Dutch entrepreneur, product- and web designer and founder of Sirmo. He founded the Giveawayhopper website in 2017, which helped SGTTB (his trading and giveaway community) to reach 100.000 members.

Jasper van der Kooi
Founder
Jasper van der Kooi is a Dutch IT expert and founder of Sirmo. He created the complex backend of the Sirmo Portal and the updated version of Giveawayhopper (v2).
History
2023
Release of Giveawayhopper (v2)
Development and release of the beta version of Giveawayhopper (v2). An accessible platform designed for setting up giveaway campaigns
2021
Rebranding to Sirmo
Rebranding and incorporation of Sirmo, registered as general partnership at the Chamber of Commerce
2018
SGTTB reaches 100,000 members
100,000 people participate in the SGTTB community. Giveawayhopper has tens of thousands monthly returning users
2017
Release of Giveawayhopper (v1)
Development and release of the alpha version of Giveawayhopper (v1), a website where we host large-scale game giveaways
Jasper and Jochum are assigned to the same educational program
2015
Establishment of SGTTB
Creation of the trading and giveaway community ‘Sirs Good Time Trading Business’ (SGTTB) on gaming platform Steam