Grumblo is a global motorsport media company. Our viral video content reach is 120M users per year. We have published 30.000 videos of 10.000 athletes since 2017. Grumblo helps motorsport related businesses succeed internationally with marketing, influencers and public funded growth projects.


Grumblo CEO Markus Martelius made his first viral product video in 2011 for a Honda Civic Type R exhaust system manufactured by his father’s company. That video got over 550k views, and since then, he has been obsessed with car enthusiast video content and international business growth. In 2016 he founded Grumblo, and with over 30.000 motorsport videos and 200M+ organic views later, we are the leading expert team for efficient and effective car enthusiast content generation.
Contact Markus to get a free 30 min initial consultation >>>

Meet Mathias, our exceptional in-house video expert with an unwavering passion for cars and cinematography. Renowned on the internet for his remarkable cinematic automotive masterpieces, Mathias has captivated millions of viewers worldwide.
At Grumblo, he is a dedicated video producer, ready to transform your visions into stunning visual experiences. With his extensive experience, Mathias excels at planning, filming, and editing videos tailored to your specific needs, whether it’s a promotional AD, a captivating YouTube video, or a powerful documentary film.
Combining technical precision with a keen eye for detail, Mathias creates videos that engage, inspire, and leave a lasting impression. With a commitment to excellence and a passion for pushing boundaries, he strives for nothing short of perfection in every project.
Contact Mathias to get a free 30 min consultation on Video Production >>>

Hassan has 7+ years experience in Digital Marketing & Viral Media, and has been in Grumblo since day 1. With focus on latest online marketing trends, Hassan handles the growth of Grumblo brand on different digital platforms with viral and paid advertising strategies. He is a proud FN Honda Civic TypeS owner and a lifelong student of digital findability.
Contact Hassan for 30 min free consultation for Growth Partnership >>>
Grumblo Office Address:
Veistämönaukio 1-3, 20100 Turku, Finland
Please contact sales@grumblo.com for any questions you might have or Grumblo Sales:CEO Markus Martelius, markus@grumblo.com / +358-40-576-3456

Get in Touch
If a question or an idea comes to your mind, please contact us.
Contact us
Contact form for users to contact Grumblo.Here for you
We are here for you. Just contact us and let’s get it done.
About Us
We are a Global Motorsport Media and Business Partner
Where to find us
Veistämönaukio 1-3, 20100,
Turku, Finland