What CSL International does

CSL International (Computing Solutions Leaders) is a private enterprise IT services company headquartered in Herzliya, Israel, founded in 2004. The firm specializes in the zSeries and broader enterprise IT domain, delivering what it describes as a "vast spectrum of services" — implying a portfolio spanning mainframe consulting, implementation, managed services, and adjacent enterprise platform work for large organizations operating IBM zSystems and related enterprise estates. With a reported workforce of 10,000+ employees, CSL International has the delivery scale typical of mid-to-large global systems integrators rather than a boutique consultancy.

The company's core business model is enterprise IT services delivery, monetized through professional services engagements (consulting, integration, managed services, and staffing) tied to the IBM z/Enterprise platform ecosystem. Its go-to-market is implicitly B2B enterprise field sales, serving mainframe-dependent clients that require deep specialization in zSeries workloads. Sharon Chen is listed as Chief Executive Officer. The input material contains no disclosed pricing model, named reference customers, revenue figures, funding rounds, M&A history, or product launch cadence specific to CSL International, which materially limits the precision of any forward-looking assessment.

Aggregated source material includes extensive IBM product and partnership context (watsonx, FlashSystem, Maximo, Vault, Red Hat, OpenAI, Palo Alto Networks, Deloitte, Wimbledon, Riyadh Air), which is consistent with CSL International operating as an IBM-aligned services partner but does not, on its own, constitute first-party disclosure of CSL's products, contracts, or financial performance. Investors should treat any inferred link between IBM's 2026 announcements and CSL's own strategy as directional rather than confirmed.

Name

CSL International

Legal name

International Business Machines Corporation

Website

https://csl-int.com

Company type

Public

Founded year

1911

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

CSL International is a private, Israel-based enterprise IT services firm specializing in zSeries and broader enterprise IT consulting, integration, and managed services, serving large organizations with a 10,000+ person delivery workforce.

Ownership category

akta.pro rank

Product category

Enterprise IT Services

NAICS

Custom Computer Programming Services (541511), Computer Systems Design and Related Services (54151), Other Computer Related Services (541519)

SIC

Services-Computer Programming Services (7371), Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro primary industry

ITSM Managed Services (Run/Operate/Optimize) (BPAEAJAN)

akta.pro secondary industry

ITSM Reporting, SLA/XLA & Service Performance Management (BPAEAJAL)

Keywords

• Mainframe services
• Enterprise IT services
• ZSeries support
• IBM mainframe consulting
• IT infrastructure services

Headquarters

HQ city

Herzliya

HQ country

Israel

HQ region

Middle East

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Software and AI Solutions: IBM generates revenue through software products including AI platforms (watsonx), enterprise software (Maximo, Planning Analytics, Vault), and data streaming (Confluent). These are sold via enterprise licensing and subscription models.
2. IBM Consulting Services: Global consulting practice with 150,000+ experts providing implementation, system integration, and professional services to enterprise clients undergoing digital transformation.
3. Hardware (FlashSystem): Enterprise storage hardware solutions including FlashSystem for data center and infrastructure deployments.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

CSL International (Computing Solutions Leaders) provides a vast spectrum of services in the IBM zSeries and broader Enterprise IT domain. The company delivers specialized mainframe (zSeries) services and enterprise IT support engagements to organizational clients. Its offerings are service-based rather than product-based.

Differentiator

Problem solved

Functional benefit

Brands

• IBM Bob: AI-powered solution for enterprise code refactoring and development tasks
• IBM watsonx Orchestrate
• IBM Confluent
• IBM FlashSystem
• IBM Vault
• IBM Maximo
• IBM Planning Analytics
• IBM Consulting

Products and services

• zSeries and Enterprise IT Services A broad portfolio of services covering the IBM zSeries mainframe platform and broader enterprise IT environments. Targeted at enterprise clients operating mainframe systems that require specialized skills, implementation, modernization, and ongoing operational support.

Quantifiable outcome

• USD 4.5 billion productivity gains unlocked over three years with IBM watsonx Orchestrate
• +5 more outcomes

Named customers10 records

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Five partnerships are on record, tiered core and flagship.

• DeloittecoreImplementation/ SI/ Consulting PartnerIBM, Red Hat, and Deloitte announced Lightwell collaboration to help strengthen open source software supply chain trust. Deloitte serves as a strategic implementation partner for IBM and Red Hat technologies.
• Red HatcoreTechnology or IntegrationIBM's acquisition of Red Hat positions the company with enterprise open source capabilities. IBM, Red Hat, and Deloitte collaborate on Project Lightwell for software supply chain trust. Red Hat integration extends IBM's hybrid cloud platform.
• Palo Alto NetworkscoreStrategic or Co-development PartnerIBM, Red Hat and Palo Alto Networks expanded Project Lightwell to help organizations respond to software vulnerabilities. Collaborative security initiative integrating IBM and Red Hat technologies with Palo Alto Networks security expertise.
• OpenAIcoreStrategic or Co-development PartnerIBM and OpenAI bring frontier AI to cyber defense, helping enterprises keep pace with machine-speed threats. Strategic collaboration combining IBM's enterprise AI capabilities with OpenAI's frontier models.
• Wimbledon (All England Lawn Tennis Club)flagshipStrategic or Co-development PartnerLong-standing partnership where IBM provides AI-powered fan experiences and modernized digital platforms for The Championships. Wimbledon is a flagship reference customer and co-innovation partner for IBM technology including watsonx and IBM Bob.

Scale indicators8 records

Recent moves1 record

Expansion highlights2 records

Direct peers

• Wipro: Global IT services provider with established IBM partnership and mainframe/enterprise infrastructure practices. Directly comparable in managed services orientation and enterprise customer base.
• NTT Data: Global IT services provider with established mainframe services practice (heritage from Perot Systems) and strong enterprise infrastructure capabilities. Closely comparable to CSL International in mainframe/IBM ecosystem focus.
• Infosys: Large Indian IT services firm with deep IBM alliance and dedicated mainframe modernization capabilities. Comparable to CSL International in enterprise IT services focus and global delivery model.
• HCLTech: IT services firm with strong mainframe and infrastructure managed services practices, including IBM ecosystem work. Comparable in service breadth and enterprise IT focus.
• Cognizant: Global IT services company serving enterprise clients with infrastructure, application, and modernization services including mainframe-adjacent work. Comparable business model and customer profile to CSL International.
• Tata Consultancy Services: Global IT services giant with a long-established IBM mainframe/zSeries practice serving enterprise clients with managed services and modernization. Highly comparable to CSL International in delivery model and IBM ecosystem focus, but at vastly larger scale.

Broad incumbents

• Deloitte: Big Four consultancy with named strategic partnership with IBM (e.g., Lightwell collaboration). Provides enterprise IT consulting and implementation that overlaps with CSL International's IBM-ecosystem focus, though at much broader scope.
• Capgemini: Global IT services and consulting firm with enterprise infrastructure and managed services offerings. Comparable in serving large enterprise IT transformations, though broader than CSL International's zSeries specialization.
• Accenture: Largest global consultancy and systems integrator with extensive IBM partnerships and enterprise IT services practices. Operates at much larger scale and broader portfolio, but overlaps in mainframe and enterprise IT managed services.

Emerging players

• Rocket Software: Specialized ISV focused on IBM mainframe and enterprise modernization tooling. Comparable in IBM ecosystem specialization and enterprise customer base, though product-oriented rather than services-oriented like CSL International.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights5 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about CSL International