Insights

Industry Expertise Castelis operates across distribution, corporate services, and enterprise solutions, offering customized software spanning e-commerce, franchise management, CE/CCE activities, CRM, ERP, intranet/extranet, GED, and accounting interfaces. This breadth suggests opportunities to upsell integrated suites or cross-sell ERP/CRM integrations to current clients and related verticals.

Tech Stack Leverage With capabilities in .NET, Java, and LAMP along with modern tools like Apache Kafka, Docker, Power BI, and Microsoft Dynamics, there are potential sales angles for modernization projects, data analytics initiatives, and scalable microservices architectures for clients seeking performance improvements and real-time data insights.

Digital Transformation The emphasis on web-based products and web services partnerships indicates a readiness to engage in digital transformation projects, including web/mobile interfaces, ERP/CRM integrations, and workflow automation, which align with clients seeking to consolidate disparate systems.

Growth Signals Revenue is currently in the $1M-$10M range with 51-200 employees and a history described as growth-oriented, signaling a mid-market profile that could be targeted for mid-range licensing, managed services, and cloud-enabled deployment engagements as they scale.

Collaboration Opportunities Existing integrations with logistics, franchise management, and CE-related web services point to a strength in partner ecosystems; there is potential to propose joint solutions with complementary vendors (e.g., France Billet, Orchestra) to win larger RFPs and expand project scopes.

Similar companies to Castelis

Castelis Tech Stack

Castelis uses 8 technology products and services including Apache Kafka, Power BI, Docker, and more. Explore Castelis's tech stack below.

Castelis's Email Address Formats

Castelis uses at least 4 email formats:
Castelis Email FormatsExamplePercentage
FLast@castelis.comJDoe@castelis.com
88%
First.Last@castelis.comJohn.Doe@castelis.com
8%
FMiddleLast@castelis.comJMichaelDoe@castelis.com
2%
First-Last@castelis.comJohn-Doe@castelis.com
2%

Frequently Asked Questions

What is Castelis's phone number?

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You can contact Castelis's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

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

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Castelis's official website is castelis.com and has social profiles on LinkedIn.

How much revenue does Castelis generate?

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As of August 2026, Castelis's annual revenue is estimated to be $1M - $10M.

What is Castelis's SIC code and NAICS code?

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Castelis's SIC code is 7371 - Computer Programming Services and NAICS code is 541511 - Custom Computer Programming Services.

How many employees does Castelis have currently?

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As of August 2026, Castelis has approximately 93 employees across 3 continents, including Europe, Asia and Africa. Key team members include Cto (php): J. M., Founding Partner: F. B. and Managing Partner: S. W. Explore Castelis's employee directory with LeadIQ.

What industry does Castelis belong to?

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Castelis operates in the IT System Custom Software Development industry.

What technology does Castelis use?

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Castelis's tech stack includes Apache Kafka, Power BI, Docker, Microsoft SQL Server, Figma, Microsoft 365, Microsoft Dynamics and Brevo.

What is Castelis's email format?

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

When was Castelis founded?

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Castelis was founded in 1999.
Castelis logo

Castelis

IT System Custom Software DevelopmentÎle-de-France, France51-200 Employees

Castelis is a mid-sized IT services company specializing in custom software development. Founded in 1999, it pursues a bespoke approach to deliver tailored applications that respond to each client's specific needs. The firm has developed industry-focused capabilities across distribution, corporate committees management, service-oriented enterprises, and broader enterprise applications, supporting processes from e-commerce and franchise management to intranet and CRM, as well as integration with accounting systems.

Its client base includes distributors, employee representative bodies, service providers, and other enterprises that require integrated software spanning CRM, production tracking and document management, as well as interfaces to accounting systems. Located in Ivry-sur-Seine, Île-de-France, Castelis positions itself as a provider of end-to-end web-based solutions that address common business needs and data management requirements.

Section iconCompany Overview

Phone number
SIC Code
7371 - Computer Programming Services
NAICS Code
541511 - Custom Computer Programming Services
Founded
1999
Employees
51-200

Section iconFunding & Financials

  • $1M - $10M

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

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