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Based in Mechelen, Belgium, Sellsior is a business consulting company. The small agency was founded in 2017. Their services include business consulting, voice services, and corporate training.

Client Insights

Industry Expertise

Information technology


Client Size Distribution

Small Business (<$10M) 70%

Midmarket ($10M - $1B) 20%

Enterprise (>$1B) 10%

Common Project Size

$10K-$49K 1 project


This provider has not added their key clients.

Highlights from Recent Projects

Overall Rating

1 Review

Sellsior was engaged by The Parlor, a creative agency specializing in food service advertising, to bolster their sales process. The Parlor's founder and creative director sought Sellsior's expertise due to a lack of time, knowledge, and personnel to advance sales. Sellsior initially carried out an audit to understand the stunted growth in sales and the dearth of demand. They then coached The Parlor through the sales process, aiding in securing projects and preparing pitches for major upcoming ones. Sellsior also extended their services to find potential clients. The collaboration began in early 2021 and is still ongoing, with an investment of around $50,000 made so far. The partnership has been fruitful, with Sellsior exceeding expectations through their professional, knowledgeable, and ambitious approach.



Service Excellence




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