Company lists · Data refreshed September 2026
Top 25 System administration outsourcing companies based in India
RevenueBase identified 353 system administration outsourcing companies headquartered in India as of September 2026 and tracks 7,889 professional contacts across them, including 596 with verified work emails. Bangalore is the largest hub.
This list covers system administration outsourcing companies headquartered in India, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest system administration outsourcing companies based in India
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,133 contacts → | ||||
Indirect evidence “Aforeserve delivers IT infrastructure services, field support, and managed operations for enterprises across India.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 807 contacts → | ||||
Indirect evidence “Kaizen is a premier IT Services company headquartered in Kolkata and having its presence in Pan India with 750 Plus Touch Points.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 287 contacts → | ||||
Indirect evidence “Sureworks Infotech Private Limited (SIPL), a leading IT Solutions provider in India & Dubai was founded in 2009.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 180 contacts → | ||||
Indirect evidence “U&D Square Solutions Pvt.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 120 contacts → | ||||
Indirect evidence “Proziod Analytics is an experienced team of programmers, analysts, and IT experts.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 119 contacts → | ||||
Indirect evidence “Managing millions of hosted accounts since 2006.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 112 contacts → | ||||
Indirect evidence “TERiX is a comprehensive global IT solution provider that focuses on quality & value in the data center.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 89 contacts → | ||||
Indirect evidence “Founded in 2001, New Era carved a niche by addressing customer’s needs and reacting quickly to provide effective world-class solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 72 contacts → | ||||
Indirect evidence “We bring you leading skill sets, economies of scale and reliability, very competitively.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 65 contacts → | ||||
Indirect evidence “We would be pleased to work with you and would like to introduce you to the solutions available through us in the field of Information Technology.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 62 contacts → | ||||
Indirect evidence “IMS Nucleii has 18 years of experience providing offshore comprehensive managed IT support to keep your business running smoothly in today's fast-paced world.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 56 contacts → | ||||
Indirect evidence “Megahertz Infotech, an ISO 9001:2008 certified IT Infrastructure and managed service provider, supports global clients with latest technology innovations to create a reliable…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 56 contacts → | ||||
Indirect evidence “At Aptus we believe to achieve sustainable growth and profitability all companies need to deliver a superior digital experience to their clients.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 52 contacts → | ||||
Indirect evidence “We Are Svelte We transform your ideas into action.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 49 contacts → | ||||
Indirect evidence “Him Technology Pvt.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 46 contacts → | ||||
Indirect evidence “MODULE INFORMATICS PRIVATE LIMITED is a company based out of HOUSE NO 66, BLOCK -A POCKET- 5, SECTOR 17, ROHINI NEW, DELHI, Delhi, India.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 45 contacts → | ||||
Partial evidence “We are India's Skilled IT Infrastructure Management Outsourcing Team and a company of visionary leaders who understand the significance of outsourcing for enhancing our customers'…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 45 contacts → | ||||
Indirect evidence “Admin-Ahead Server Technologies aka BrookWin Technology Solutions are world class providers of Technical Customer Support, Research and Development services to web hosting…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 43 contacts → | ||||
Indirect evidence “Idnor is a one-stop managed services provider that can cater to your specific needs.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 39 contacts → | ||||
Indirect evidence “Established in 2015, Ooma Cyber Solutions serves as a reflection of innovation focused on customers and cost-effective excellence.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 38 contacts → | ||||
Indirect evidence “FutureBlox is a managed IT service provider, successfully serving many clients across the globe on various domains like server management, network management, cloud infrastructure…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 36 contacts → | ||||
Indirect evidence “Netmax was founded in April 2009 to serve the Small and Medium Enterprise (SME), Large Enterprise customers and Managed Service Providers, and has been seeing steady growth since…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 31 contacts → | ||||
Partial evidence “Symsafe India (Symsafe Systems Pvt Ltd) Symsafe is a leading provider of powerful and affordable IT infrastructure management solutions incorporating management & support…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 31 contacts → | ||||
Indirect evidence “CES Tech is a technology services company focused on the reliable execution, support, and management of enterprise IT and network infrastructure.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 31 contacts → | ||||
Indirect evidence “We welcome and thank you for providing us the opportunity to introduce to you, the newest and most dynamic IT services and Solution company in the industry, Chamunda Tech-Net…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: system administration outsourcing companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names system administration outsourcing companies.
- Partial evidence
- Its own public description names part of system administration outsourcing companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name system administration outsourcing companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 353 system administration outsourcing companies based in India
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System administration outsourcing companies based in India at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for India, so it is reported there. Company counts and contact totals on this page are exact for India, over 353 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among system administration outsourcing companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in India whose own description of what they do matches “system administration outsourcing companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names system administration outsourcing companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among system administration outsourcing companies, and records with no verified work email. Companies headquartered outside India are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 596 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names system administration outsourcing companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many system administration outsourcing companies are there based in India?
RevenueBase identified 353 system administration outsourcing companies headquartered in India as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Aforeserve.com LTD, headquartered in Noida, tops this list with the largest team on record.
Which city has the most system administration outsourcing companies?
Bangalore leads with 36 headquartered companies, followed by New Delhi (24) and Chennai (21).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 596 verified decision-maker contacts tracked across these 353 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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