Insights

Acquisition driven expansion The acquisition by TeamSystem creates cross-border go-to-market and channel synergies, enabling co-selling Sellsy's CRM and invoicing suite to SMEs in France, Spain, and beyond through TeamSystem's distribution network.

Upsell finance synergy RocketChart's integration strengthens Sellsy's cash management offering, creating upsell opportunities to existing customers and onboarding RocketChart users into a unified CRM and financial management platform.

SME growth potential Sellsy's strong SMB footprint and recurring revenue model provide a solid platform for expansion into additional European markets, supported by a European partner ecosystem post-acquisition.

Tech integration edge A modern tech stack with easy integrations and a strong security posture positions Sellsy well for partner-driven add-ons and seamless ERP CRM integrations, facilitating co-sales with systems integrators.

Growth momentum Funding activity and a clear growth trajectory signal an favorable environment to invest in sales enablement, onboarding, and pricing strategies to scale into mid-market segments.

Sellsy Tech Stack

Sellsy uses 8 technology products and services including Facebook Pixel, Google Workspace, Google Fonts API, and more. Explore Sellsy's tech stack below.

  • Facebook Pixel
    Analytics
  • Google Workspace
    Email
  • Google Fonts API
    Font Scripts
  • Preact
    Javascript Libraries
  • Cloudflare Bot Management
    Security
  • HSTS
    Security
  • Phusion Passenger
    Web Servers
  • Wisepops
    Widgets

Sellsy's Email Address Formats

Sellsy uses at least 2 format(s):
Sellsy Email FormatsExamplePercentage
FLast@sellsy.comJDoe@sellsy.com
77%
Last@sellsy.comDoe@sellsy.com
17%
First@sellsy.comJohn@sellsy.com
5%
FL@sellsy.comJD@sellsy.com
1%

Frequently Asked Questions

Where is Sellsy's headquarters located?

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Sellsy's main headquarters is located at 50 Avenue du Lazaret la Rochelle, Nouvelle-aquitaine 17000 France. The company has employees across 5 continents, including EuropeNorth AmericaAsia.

What is Sellsy's official website and social media links?

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Sellsy's official website is go.sellsy.com and has social profiles on LinkedInCrunchbase.

What is Sellsy's NAICS code?

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Sellsy's NAICS code is 5112 - Software Publishers.

How many employees does Sellsy have currently?

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As of June 2026, Sellsy has approximately 172 employees across 5 continents, including EuropeNorth AmericaAsia. Key team members include Ceo: V. D.Chief Product Officer: C. P.Chief Revenue Officer (cro): M. V.. Explore Sellsy's employee directory with LeadIQ.

What industry does Sellsy belong to?

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Sellsy operates in the Software Development industry.

What technology does Sellsy use?

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Sellsy's tech stack includes Facebook PixelGoogle WorkspaceGoogle Fonts APIPreactCloudflare Bot ManagementHSTSPhusion PassengerWisepops.

What is Sellsy's email format?

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Sellsy's email format typically follows the pattern of FLast@sellsy.com. Find more Sellsy email formats with LeadIQ.

When was Sellsy founded?

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Sellsy was founded in 2009.

Sellsy

Software DevelopmentNouvelle-aquitaine, France51-200 Employees

Sellsy provides an integrated software platform that merges customer relationship management, invoicing, and pre-accounting to support everyday business management and client interactions. The tool is designed as a collaborative environment that helps marketing, sales, and administrative teams work together more effectively. Based in La Rochelle, Nouvelle-Aquitaine, France, Sellsy was founded in 2009 by Frédéric Coulais and Alain Mevellec. The company serves around 22,000 customers and operates with a mid-sized team focused on delivering its solutions. In 2025, Sellsy was acquired by TeamSystem S.p.A., expanding its footprint in France and Spain.

Section iconCompany Overview

Headquarters
50 Avenue du Lazaret la Rochelle, Nouvelle-aquitaine 17000 France
NAICS Code
5112 - Software Publishers
Founded
2009
Employees
51-200

Section iconFunding & Financials

  • $1M$10M

    Sellsy's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    Sellsy's revenue is estimated to be in the range of $1M$10M

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