Sellsy SAS is a French CRM provider covering sales, marketing, invoicing and cash flow for businesses across several industries.
Sellsy offers a CRM platform covering marketing, sales, invoicing and treasury, with features including email and SMS campaigns, quotes, online payment, e-signatures, budget forecasting and a mobile app. Based in La Rochelle, France, the company was founded in 2009 by Alain Mevellec and Frédéric Coulais and was formerly known as Invokit. In September 2025, TeamSystem SpA fully acquired it from PSG Equity, Sofiouest and Eiffel Investment Group, with financial terms undisclosed.
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