Company lists · Data refreshed November 2026

Top 25 IT optimization consulting companies worldwide

Name: IT optimization consulting companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 13,881 companies tracked

RevenueBase identified 13,881 company matches for IT optimization consulting companies worldwide as of November 2026 and tracks 188,498 professional contacts across them, including 47,715 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for IT optimization consulting companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for IT optimization consulting companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built

13,881Companies

188,498Contacts tracked

47,715Verified emails

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The 25 largest IT optimization consulting companies worldwide

Ranked by team size

Top 25 of 13,881 company matches for IT optimization consulting companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	DXC Technology	Exact match	Ashburn, VA, United StatesHQ recorded Nov 6, 2026	10001+	86,844 contacts →
	Exact match “DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Park Place Technologies	Exact match	Cleveland, OH, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,554 contacts →
	Exact match “Park Place Technologies is the global leader in data center and networking optimization, we work with more than companies across the globe, boosting infrastructure performance…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	NUMEN	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	501-1,000	951 contacts →
	Exact match “Numen is an international consultancy specialized in enterprise technologies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	People Prime Worldwide	Exact match	Hyderabad, IndiaHQ recorded Nov 6, 2026	501-1,000	837 contacts →
	Exact match “At People Prime Worldwide, we help organizations transform and scale through AIML Technology Services, AIML Solutions, IT Consulting, Staff Augmentation, and Managed Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Korus Consulting	Exact match	Moscow, RussiaHQ recorded Nov 6, 2026	1,001-5,000	682 contacts →
	Exact match “KORUS Consulting stands out as one of the leading IT companies in Russia, offering an extensive range of services in IT consulting, business process optimization and automation…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Linkquest Technologies Limited	Exact match	Noida, IndiaHQ recorded Nov 6, 2026	501-1,000	663 contacts →
	Exact match “At LinkQuest, we specialize in optimizing the efficiency and performance of telecom networks.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	SES	Exact match	DenmarkHQ recorded Nov 6, 2026	n/a	642 contacts →
	Exact match “Spar op til 80 % på den daglige drift af jeres IT miljø Lej en ekstern IT konsulent til optimering af IT i din virksomhed IT konsulent på lejebasis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Cavista Technologies	Exact match	Dallas, United StatesHQ recorded Nov 6, 2026	201-500	539 contacts →
	Exact match “Your Exciting Opportunity For A Rewarding Career Operating in the United States, Nigeria, India and the Philippines, Cavista’s mission is to empower the world’s best technology…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Javi Systems India Pvt. LTD	Exact match	Gurgaon, IndiaHQ recorded Nov 6, 2026	201-500	495 contacts →
	Exact match “A privately held company Head Quartered in Bangalore and has a presence in New York.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Zenzero	Exact match	London, United KingdomHQ recorded Nov 6, 2026	501-1,000	474 contacts →
	Exact match “We believe successful businesses are underpinned by quality IT infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Object Computing, INC	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	201-500	448 contacts →
	Exact match “We engineer the systems that power your business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	ICP	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	51-200	430 contacts →
	Exact match “ICP Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	MMC	Exact match	Karachi, PakistanHQ recorded Nov 6, 2026	201-500	397 contacts →
	Exact match “MMC was Launched in 1995 as a Customer Support Organization with the fundamental objective and vision of providing assistance and services for the growing businesses' technical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Cheops Technology	Exact match	Kontich, BelgiumHQ recorded Nov 6, 2026	201-500	351 contacts →
	Exact match “Cheops is an industry-leading provider of IT & Business Technology Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Sira Consulting, An INC 5000 Company	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	201-500	336 contacts →
	Exact match “SiRA Consulting is a Certified MBE consulting company that was founded in 2012.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Compwire Informática Ltda	Exact match	Curitiba, BrazilHQ recorded Nov 6, 2026	201-500	325 contacts →
	Exact match “No mercado desde 1996, a Compwire oferece o melhor em otimização de ambientes de TI.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Centraprise	Exact match	Iselin, NJ, United StatesHQ recorded Nov 6, 2026	501-1,000	306 contacts →
	Exact match “At Centraprise, we foster a collaborative approach in delivering top-quality IT consulting and services to our clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Assyst	Exact match	Sterling, MD, United StatesHQ recorded Nov 6, 2026	51-200	287 contacts →
	Exact match “ASSYST is an agile, CMMC-certified, CMMI Maturity Level 3, and ISO 9001, ISO and ISO 27001-certified technology and consulting firm that helps government agencies modernize…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Innovationteam	Exact match	Riyadh, WY, Saudi ArabiaHQ recorded Nov 6, 2026	201-500	285 contacts →
	Exact match “InnovationTeam is an IT consulting company that provides a comprehensive range of specialized professional solutions and services to businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Inventech Info Solutions	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	501-1,000	281 contacts →
	Exact match “The company was started by team of experts who have vast experience and knowledge in Technology Consulting, Outsourcing, Talent Acquisition, Training & Development and Partnership…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	By Seven	Exact match	Joinville, BrazilHQ recorded Nov 6, 2026	51-200	255 contacts →
	Exact match “Muito mais que consultoria em tecnologia, agregamos valor ao seu negócio!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Ongc Systems	Exact match	Arundel, AustraliaHQ recorded Nov 6, 2026	n/a	252 contacts →
	Exact match “ONGC Systems provides businesses with comprehensive IT services, that automate and streamline operations, reduce risk and increase stability while lowering the cost of system…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Ndimensionz Solutions PVT LTD	Exact match	Kochi, IndiaHQ recorded Nov 6, 2026	201-500	250 contacts →
	Exact match “NdimensionZ Solutions Pvt Ltd is an ISO 9001:2015 and ISO/IEC 27001:2013 certified, technology and service oriented company headquartered at major IT hub in India.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Thought Logic Consulting	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	201-500	245 contacts →
	Exact match “Thought logic is a functionally-led, digitally enabled consultancy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	ITB Company	Exact match	Riyadh, Saudi ArabiaHQ recorded Nov 6, 2026	51-200	238 contacts →
	Exact match “ITB company was founded in 2008 in kingdom of Saudi Arabia as one of leading companies in the field of consulting and information technology and distinguished services to the high…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “IT optimization consulting companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 13,881 IT optimization consulting companies worldwide

See the full list, filter by size, metro and specialty, and access 47,715 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT optimization consulting companies worldwide at a glance

As of Nov 6, 2026

25.3%Verified-email coverage

13.6Average contacts per company

1-10Median size (employees)

1.4%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

9,436

11-50

3,387

51-200

764

201-500

153

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for IT optimization consulting companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “IT optimization consulting companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 47,715 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

IT optimization consulting companies by location

79 lists · largest first

Every IT optimization consulting companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “IT optimization consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT optimization consulting companies are there worldwide?

RevenueBase identified 13,881 company matches for IT optimization consulting companies worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

DXC Technology tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most IT optimization consulting companies?

The United States leads with 3,173 companies, followed by India (978) and Brazil (663). Every IT optimization consulting companies list by country and city is linked on this page.

Which city has the most IT optimization consulting companies?

London leads with 189 company records, followed by Sao Paulo (159) and New York (101).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 47,715 professional contacts with verified work emails tracked across these 13,881 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.