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Reviews

Aggelos has an art for getting things done…I would highly recommend Aggelos for anyone looking for a technical marketing and growth hacking expert that knows how to use the tools that are available out there to build successful marketing growth strategies.

Sabine Vanderlinden
Startupbootcamp

Hiring Growth Sandwich and Aggelos was the best thing we ‘ve done for our business. He delivered an out-of-the-box strategy and we worked together on implementing it. Before our cooperation with Aggelos, we used to believe we needed to develop the x or the y channel, just because others were doing so. But Aggelos helped us truly understand which are the channels we need to go for in a 100% data-driven manner which gave us clarity, confidence and saved a ton of money.

Moritz Dausinger
Refiner

Aggelos does not hesitate to question the ways things are done and will challenge every single assumption that Founders have about their own business. He has one of the most constructive approaches you can have as you (re)build together how your startup should be positioned in the market.

Daniela Goncalves
Farfetch

Aggelos is hands down one of the best Growth experts I ever spoke with. We came to him with a hypothesis about what’s going on with our Product Market Fit and he turned it upside down and helped us see things we didn’t before. Now we have more clarity on what’s been really happening with our marketing efforts and have significantly shifted my thoughts about what to do next.

Jan Kuzel
SatisMeter

Aggelos has an innovative approach to growth marketing that often only found with US-based operators. It was a pleasure to work with him and the team across a range of projects, which saw us launch two brand new companies into the market and deliver an educational growth marketing series.

Jake Higgins
Forward Partners

He never sold fairy tales to me as most of the ”growth hackers” out there. He delivered what he promised, a sustainable acquisition model in less than 3 months. But apart from the result, he also spent the necessary time I needed to build a solid understanding of growth marketing. I highly recommend Growth Sandwich as your growth partners! Thanks, Aggelos!

Von Sy
Nimble

He can understand very quickly what does a business need, how to set the right objectives and the ways to achieve them, it’s really impressive. Highly recommend him to any company founder. Thanks, Aggelos

Rafael Scemama
Hiroes

ReAggelos knows his stuff! He is particularly adept at clearly communicating new and emerging marketing tactics to those who may have a more traditional approach and then adapting those practices to help enhance a business or company profile. He also keeps you on your toes!

Cristina Fotinelli

Aggelos is focused on delivering results and worked in a very focused way to ensure he was able to deliver all of the streams of work in the limited time he had with the team.

Sophie Adelman
Whitehat

Aggelos is a perfect combination of hard work with creativity. He always found a way to amaze me, daily.

Nasos Psarrakos
Dutrition

Aggelos is impressive in identifying the right channels for an early-stage startup. He gives insights on growth methods that we would otherwise find nowhere else, and it was really helpful for us. He is one of the very few growth experts I came across who knows his stuff and has relevant and actionable insights that can explode the growth of a product.

Jijo Sunny
Buy Me A Coffee

With step-by-step instructions, he managed to transform our growth strategy, train our team on how to keep a good momentum and finally drove actual results! His approach and work process is clear and eventually effective, making him one of the best growth professionals I’ve worked with! Finally, with his own suggestions, our conversion rate skyrocketed and the less I can do is recommend him!

Costandinos Livieratos
Detectify