Company lists · Data refreshed September 2026

Top 25 Data warehousing consulting companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 6,899 companies tracked

RevenueBase identified 6,899 data warehousing consulting companies worldwide as of September 2026 and tracks 85,287 professional contacts across them, including 24,138 with verified work emails. The United States is the largest market and London the largest hub.

This list covers data warehousing consulting companies worldwide, 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 30, 2026. Country and city lists for data warehousing consulting companies follow the table.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review

6,899Companies

85,287Contacts tracked

24,138Verified emails

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The 25 largest data warehousing consulting companies worldwide

Ranked by team size

Top 25 of 6,899 data warehousing consulting companies worldwide, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to data warehousing consulting companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Gspann Technologies, INC	Partial evidence	Milpitas, CA, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,878 contacts →
	Partial evidence “GSPANN is a US-based consulting services provider focused on implementations in Enterprise Content Management (ECM), Business Intelligence & Mobile Solutioning initiatives.” Source: RevenueBase Database · checked Sep 30, 2026
2	Syniti	Partial evidence	Needham, MA, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,633 contacts →
	Partial evidence “We tackle the hardest work in data for the world's largest organizations.” Source: RevenueBase Database · checked Sep 30, 2026
3	Adastra	Indirect evidence	CanadaHQ checked Sep 30, 2026	1,001-5,000	1,543 contacts →
	Indirect evidence “For over two decades, Adastra Corporation has transformed businesses into digital leaders, helping global organizations innovate, achieve operational excellence, and create…” Source: RevenueBase Database · checked Sep 30, 2026
4	Chain-Sys Corporation	Partial evidence	Rocklin, CA, United StatesHQ checked Sep 30, 2026	501-1,000	1,280 contacts →
	Partial evidence “ChainSys is an innovator in the data management and business platform implementation (ERP) space.” Source: RevenueBase Database · checked Sep 30, 2026
5	Bluetab, An IBM Company	Indirect evidence	Madrid, SpainHQ checked Sep 30, 2026	1,001-5,000	994 contacts →
	Indirect evidence “Ser bluetaber: “Lo que más me gusta de Bluetab: todos/as somos personas, y no números, es todo muy cercano”.” Source: RevenueBase Database · checked Sep 30, 2026
6	Goldstone Technologies Limited	Partial evidence	Hyderabad, IndiaHQ checked Sep 30, 2026	201-500	732 contacts →
	Partial evidence “AION-Tech Solutions Limited is a publicly traded company specializing in Data Analytics, Business Intelligence, AI, ML, DL based product development services in India.” Source: RevenueBase Database · checked Sep 30, 2026
7	S & L International	Indirect evidence	Arcadia, CA, United StatesHQ checked Sep 30, 2026	n/a	607 contacts →
	Indirect evidence “S&L International, Inc.” Source: RevenueBase Database · checked Sep 30, 2026
8	Sightspectrum	Strong evidence	Crowley, TX, United StatesHQ checked Sep 30, 2026	501-1,000	606 contacts →
	Strong evidence “SightSpectrum is a technology consulting company with an exclusive focus on Data and Analytics.” Source: RevenueBase Database · checked Sep 30, 2026
9	KPI Partners	Partial evidence	Oakland, CA, United StatesHQ checked Sep 30, 2026	501-1,000	576 contacts →
	Partial evidence “KPI Partners is a global strategic partner helping enterprises redefine what’s possible with Enterprise AI, Data, and Analytics.” Source: RevenueBase Database · checked Sep 30, 2026
10	Glowbyte Consulting	Partial evidence	Moscow, RussiaHQ checked Sep 30, 2026	501-1,000	574 contacts →
	Partial evidence “GlowByte Consulting started in 1997 as an IT outsourcing company.” Source: RevenueBase Database · checked Sep 30, 2026
11	Fluxtek Solutions INC	Partial evidence	Houston, TX, United StatesHQ checked Sep 30, 2026	501-1,000	523 contacts →
	Partial evidence “Fluxtek Solutions Inc has established a track record as a leading fast growing IT consulting, services, and outsourcing firm.” Source: RevenueBase Database · checked Sep 30, 2026
12	Apptad	Strong evidence	Alpharetta, GA, United StatesHQ checked Sep 30, 2026	1,001-5,000	517 contacts →
	Strong evidence “Apptad is a strategic technology consulting and innovation-led transformation company that turns complex data and AI challenges into measurable business outcomes for enterprises…” Source: RevenueBase Database · checked Sep 30, 2026
13	CCS Global Tech	Partial evidence	Poway, CA, United StatesHQ checked Sep 30, 2026	501-1,000	485 contacts →
	Partial evidence “CCS Global Tech is a trusted technology partner specializing in Data, Cloud, AI, and Workforce Solutions.” Source: RevenueBase Database · checked Sep 30, 2026
14	DUA Empat Tujuh, PT Solusi247	Indirect evidence	Jakarta Selatan, IndonesiaHQ checked Sep 30, 2026	201-500	480 contacts →
	Indirect evidence “Dua Empat Tujuh, PT, or also known as Solusi247, is an integrated solution for Information Technology.” Source: RevenueBase Database · checked Sep 30, 2026
15	Kastech Software Solutions Group	Partial evidence	Richmond, TX, United StatesHQ checked Sep 30, 2026	1,001-5,000	472 contacts →
	Partial evidence “Kastech Software Solutions Group, incorporated in 2007 and headquartered in Richmond, Texas, is a leading global IT services and consulting company delivering technology-driven…” Source: RevenueBase Database · checked Sep 30, 2026
16	Wavicle Data Solutions	Partial evidence	Oak Brook, IL, United StatesHQ checked Sep 30, 2026	501-1,000	453 contacts →
	Partial evidence “At Wavicle Data Solutions, data is the key to driving meaningful business change.” Source: RevenueBase Database · checked Sep 30, 2026
17	Infomotion Gmbh	Strong evidence	Frankfurt, GermanyHQ checked Sep 30, 2026	501-1,000	447 contacts →
	Strong evidence “INFOMOTION GmbH, headquartered in Frankfurt am Main, is the leading consulting company for data performance: From data analytics to digital transformation, more than 420…” Source: RevenueBase Database · checked Sep 30, 2026
18	MST	Strong evidence	Holliston, United StatesHQ checked Sep 30, 2026	n/a	437 contacts →
	Strong evidence “Product and Data Consulting -Product Management -Database Management -Web and Application Development -ETL for Large Datasets” Source: RevenueBase Database · checked Sep 30, 2026
19	LEEGA	Indirect evidence	São Paulo, BrazilHQ checked Sep 30, 2026	501-1,000	397 contacts →
	Indirect evidence “Somos agnósticos tecnológicos e sempre oferecemos o melhor custo-benefício aos clientes, com inteligência, inovação e tecnologia.” Source: RevenueBase Database · checked Sep 30, 2026
20	ITI Data	Partial evidence	New York, NY, United StatesHQ checked Sep 30, 2026	201-500	394 contacts →
	Partial evidence “ITI Data an EXL Company (formerly Incandescent Technologies, Inc.) is an industry-leading information and big data management solutions firm with business-driven technology…” Source: RevenueBase Database · checked Sep 30, 2026
21	Clairvoyant	Strong evidence	Chandler, AZ, United StatesHQ checked Sep 30, 2026	501-1,000	390 contacts →
	Strong evidence “Clairvoyant is a global technology consulting and services company that helps organizations maximize the value of data.” Source: RevenueBase Database · checked Sep 30, 2026
22	Enquero	Indirect evidence	Milpitas, CA, United StatesHQ checked Sep 30, 2026	501-1,000	382 contacts →
	Indirect evidence “Genpact acquired Enquero on Jan.” Source: RevenueBase Database · checked Sep 30, 2026
23	E-Business International INC	Indirect evidence	Monmouth Junction, NJ, United StatesHQ checked Sep 30, 2026	51-200	352 contacts →
	Indirect evidence “e-Business International Inc is emerging as a leader in business analytics software and services, and it is the largest independent vendor in the business intelligence market.” Source: RevenueBase Database · checked Sep 30, 2026
24	MODAK	Partial evidence	Deer Park, IL, United StatesHQ checked Sep 30, 2026	201-500	346 contacts →
	Partial evidence “Modak is a solutions company that empowers enterprises to manage and utilize their data landscape effectively.” Source: RevenueBase Database · checked Sep 30, 2026
25	Customer Analytics, LLC	Indirect evidence	Verona, WI, United StatesHQ checked Sep 30, 2026	501-1,000	334 contacts →
	Indirect evidence “Customer Analytics, for over 20 years, has been in the business of helping clients succeed at what they do, by developing customized software solutions to meet and solve their…” Source: RevenueBase Database · checked Sep 30, 2026

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: data warehousing consulting 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 data warehousing consulting companies.
Partial evidence: Its own public description names part of data warehousing consulting companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name data warehousing consulting 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 6,899 data warehousing consulting companies worldwide

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Data warehousing consulting companies worldwide at a glance

As of Sep 30, 2026

28.3%Verified-email coverage

12.4Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · London

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

4,045

11-50

1,972

51-200

701

201-500

110

501-1,000

1,001-5,000

5,001-10,000

Email recency is reported on each country list linked below.

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 data warehousing consulting 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.
Coverage: Every country. Country and city lists for data warehousing consulting companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “data warehousing consulting 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 data warehousing consulting 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 data warehousing consulting companies, and records with no verified work email.
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, 24,138 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 30, 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.

Data warehousing consulting companies by location

56 lists · largest first

Every Data warehousing 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 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 data warehousing consulting 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 data warehousing consulting companies are there worldwide?

RevenueBase identified 6,899 data warehousing consulting companies worldwide 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?

Gspann Technologies, INC, headquartered in Milpitas, tops this list with the largest team on record.

Which country has the most data warehousing consulting companies?

The United States leads with 1,603 companies, followed by India (459) and the United Kingdom (380). Every data warehousing consulting companies list by country and city is linked on this page.

Which city has the most data warehousing consulting companies?

London leads with 138 headquartered companies, followed by Sao Paulo (97) and Paris (93).

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 24,138 verified decision-maker contacts tracked across these 6,899 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 30, 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.