These Mumbai companies are predominantly large and mid-sized firms specializing in IT services and consulting. LTIMindtree, with nearly 100,000 employees, focuses on digital transformation, while Tata Communications provides global digital connectivity. Allied Digital acts as a master systems integrator, and Writer Information offers information solutions and services. Most of the companies on this list were founded between the mid-1980s and the early 2000s, indicating a mature sector.
The data shows a strong concentration in IT services and IT consulting, with several companies like Orient Technologies Limited, Trimax IT Infrastructure & Services Ltd, and Yotta Data Services Private Limited offering end-to-end IT infrastructure solutions, cloud services, and managed services. This highlights Mumbai's role as a hub for comprehensive IT and digital transformation providers.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
LTIMindtreeltm.com
A global technology consulting company driving digital transformation for enterprises, delivering superior business outcomes through domain expertise and innovative digital solutions |
99,387 | |||
| 2 |
Tata Communicationstatacommunications.com
Provides global digital connectivity and secure enterprise solutions, enabling digital transformation for businesses including Fortune 500 companies worldwide. |
16,891 | |||
| 3 |
Allied Digitalallieddigital.net
A global digital transformation architect and master systems integrator providing cutting-edge IT services and solutions to clients worldwide |
2,884 | |||
| 4 |
Writer Informationwriterinformation.com
A leading provider of information solutions and services, specializing in business process, secured storage, cloud, and digital solutions across various industries |
2,387 | |||
| 5 |
Orient Technologies Limitedorientindia.in
Providing end-to-end IT infrastructure solutions, consulting, implementation, and after-sales services to diverse industries including banking and pharma. |
1,834 | |||
| 6 |
Trimax IT Infrastructure & Services Ltdtrimax.in
Leading IT services provider offering connectivity, data center, cloud services, system integration, and industry-specific solutions in transportation, mobility, and banking sectors |
1,692 | |||
| 7 |
Yotta Data Services Private Limitedyotta.com
Comprehensive cloud, data center, and managed services enabling secure, efficient digital transformation with advanced infrastructure and AI capabilities. |
1,143 | |||
| 8 |
Dimension Data India Pvt. Ltd.dimensiondata.com
Technology company in the NTT Group offering digital infrastructure, hybrid cloud, workspaces, and cybersecurity solutions worldwide, with focus on making a positive impact |
1,130 | |||
| 9 |
Embee Softwareembee.co.in
Embee is a leading technology services provider with expertise in cloud solutions, datacenter transformation, security, software development, and managed services for businesses |
1,124 | |||
| 10 |
Protean eGov Technologiesproteantech.in
Protean is a technology company specializing in building digital public infrastructure and e-Governance solutions, focusing on population-scale projects in India |
1,065 | |||
| 11 |
Anuntaanunta.com
A global leader in digital workspace solutions, empowering organizations to excel in the cloud era with streamlined VDI and DaaS deployments |
1,064 | |||
| 12 |
NTT Global Data Centers and Cloud Infrastructure, Indiaglobal.ntt
Global data center operator offering access to multiple cloud providers, internet exchanges, and telecom networks with a focus on sustainability and next-generation technologies |
962 | |||
| 13 |
Dynacons Systems & Solutions Ltd.dynacons.com
An established IT company offering infrastructure managed services, cloud computing, systems integration, application development, with a focus on innovation and global expansion |
841 | |||
| 14 |
Skillmine Technologyskill-mine.com
New-gen IT Software Company optimizing IT investments, enhancing operational efficiency, providing consulting, application management, security, skill augmentation, and automation services globally |
838 | |||
| 15 |
DSM Infocom Private Limiteddsminfocom.com
A privately held company offering a wide range of IT services, including network infrastructure management, ATM maintenance, BPO services, and project management across India and beyond |
780 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
Dixit Infotech Services Pvt. Ltd.dixitindia.com
A customer-centric IT service integrator providing infrastructure management, cloud computing, data storage, unified communication, and customized solutions to clients |
673 | |||
| 17 |
Wysetek Systems Technologists Pvt. Ltd.wysetek.com
A 34+ year old enterprise systems integrator providing integrated technology solutions in cybersecurity, hyper-convergence, and cloud to SMEs and large corporations across India |
663 | |||
| 18 |
Netmagic Solutions (An NTT Communications Company)netmagicsolutions.com
A global technology services company delivering intelligent solutions through data, connectivity, digital innovation, and security, with a focus on cloud and managed hosting services |
595 | |||
| 19 |
Pentagon System and Servicespentagon.co.in
Innovative IT solutions provider specializing in Banking and Manufacturing, with expertise in enterprise architecture, high availability infrastructure, and cloud technologies |
579 | |||
| 20 |
ST Telemedia Global Data Centres (India)sttelemediagdc.com
Market-leading data center services provider in India, offering carrier-neutral colocation services with numerous awards and accreditations for excellence and environmental initiatives |
574 | |||
| 21 |
Galaxy Office Automation Pvt. Ltd.goapl.com
An ISO-certified IT services provider with over 200 professionals, offering cutting-edge solutions and partnerships with top brands for businesses across India |
516 | |||
| 22 |
ACMA Computers Ltd.acmacomputers.com
Leading IT service provider in India with 25+ years of experience, offering end-to-end solutions for diverse sectors, specializing in servers, networking, desktops, and managed services |
502 | |||
| 23 |
IFTAS - Indian Financial Technology & Allied Servicesiftas.in
A subsidiary of the Reserve Bank of India providing IT services to banks & financial institutions, including network management, cloud services, and advisory services |
471 | |||
| 24 |
Microscanmicroscan.co.in
Provider of all-fiber-based networking solutions for home, enterprise, OTT, and service provider customers Specializing in high-speed broadband, internet leased lines, and fiber solutions |
451 | |||
| 25 |
Simple Logic IT Private Limitedsimplelogic-it.com
Global IT services and consulting firm specializing in Oracle technologies, cloud enablement, data management, automation, and assurance services for businesses worldwide |
445 | |||
| 26 |
SK Internationalskinternational.com
A System Integrator catalyzing Digital Transformation for over 3 decades, offering services in Salesforce, Database, Networking, Security, Cloud Transformation, and IT Infrastructure |
427 | |||
| 27 |
Omnitech InfoSolutions Ltd.omnitechglobal.com
Global IT solutions provider specializing in Business Availability, Continuity, and Enhancement services with focus on aligning IT with business goals |
361 | |||
| 28 |
Insight Business Machines Pvt. Ltd.insightindia.com
A leading System Integration & Business Continuity company providing robust technology solutions, infrastructure services, and specialized consulting to ensure customer satisfaction |
360 | |||
| 29 |
Ashtech Infotech (India) Pvt Ltdashinfo.com
A System Integration and Service Organization providing innovative IT solutions to enhance business strategies, optimize efficiency, and reduce total cost of ownership |
325 | |||
| 30 |
JioBusinessjio.com
The company provides digital solutions to businesses in a variety of industries in India, aiming to simplify and innovate for digital transformation |
278 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in Mumbai
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- Multinational companies in Mumbai 652
- Manufacturers in Mumbai 519
- Financial services firms in Mumbai 500
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- Publicly traded companies in Mumbai 348
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- Critical infrastructure operators in Mumbai 233
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The same list elsewhere in India
- Managed service providers in India 179
- Managed service providers in Maharashtra 56
- Managed service providers in Karnataka 29
- Managed service providers in Bengaluru 27