Company lists · Data refreshed September 2026

Top 25 Data warehouse consulting firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 8,863 companies tracked

RevenueBase identified 8,863 data warehouse consulting firms worldwide as of September 2026 and tracks 136,507 professional contacts across them, including 46,775 with verified work emails. The United States is the largest market and London the largest hub.

This list covers data warehouse consulting firms 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 28, 2026. Country and city lists for data warehouse consulting firms 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 28, 2026 86% judged on-target in blind review

8,863Companies

136,507Contacts tracked

46,775Verified emails

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The 25 largest data warehouse consulting firms worldwide

Ranked by team size

Top 25 of 8,863 data warehouse consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to data warehouse consulting firms: 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	Netapp	Partial evidence	San Jose, CA, United StatesHQ checked Sep 28, 2026	10001+	17,245 contacts →
	Partial evidence “Build an intelligent data infrastructure with NetApp that brings it all together, a smarter way to let data thrive.” Source: RevenueBase Database · checked Sep 28, 2026
2	Tiger Analytics	Indirect evidence	Santa Clara, CA, United StatesHQ checked Sep 28, 2026	5,001-10,000	6,160 contacts →
	Indirect evidence “In a world rife with complexity, we help our customers cut through uncertainty, plan strategically, and execute confidently.” Source: RevenueBase Database · checked Sep 28, 2026
3	Artefact	Strong evidence	Paris, FranceHQ checked Sep 28, 2026	1,001-5,000	2,016 contacts →
	Strong evidence “Artefact is a global consulting and engineering firm specializing in data and AI services, headquartered in Paris, and a leader in Europe.” Source: RevenueBase Database · checked Sep 28, 2026
4	Gspann Technologies, INC	Partial evidence	Milpitas, CA, United StatesHQ checked Sep 28, 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 28, 2026
5	Syniti	Partial evidence	Needham, MA, United StatesHQ checked Sep 28, 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 28, 2026
6	Adastra	Indirect evidence	CanadaHQ checked Sep 28, 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 28, 2026
7	Lingaro	Partial evidence	Warsaw, PolandHQ checked Sep 28, 2026	1,001-5,000	1,296 contacts →
	Partial evidence “You’ve got the data, now what’s next?” Source: RevenueBase Database · checked Sep 28, 2026
8	Chain-Sys Corporation	Partial evidence	Rocklin, CA, United StatesHQ checked Sep 28, 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 28, 2026
9	Mastech Digital	Partial evidence	Moon Township, PA, United StatesHQ checked Sep 28, 2026	1,001-5,000	998 contacts →
	Partial evidence “Mastech Digital helps enterprises ignite intelligence and transform tomorrow by turning data into real, measurable business outcomes.” Source: RevenueBase Database · checked Sep 28, 2026
10	Bluetab, An IBM Company	Indirect evidence	Madrid, SpainHQ checked Sep 28, 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 28, 2026
11	Datavail	Partial evidence	Boulder, CO, United StatesHQ checked Sep 28, 2026	1,001-5,000	808 contacts →
	Partial evidence “Datavail \| Data, Cloud & AI-Built for Real Business Outcomes Datavail is a data, cloud, and AI consultancy that helps organizations turn complex technology environments into…” Source: RevenueBase Database · checked Sep 28, 2026
12	S & L International	Indirect evidence	Arcadia, CA, United StatesHQ checked Sep 28, 2026	n/a	607 contacts →
	Indirect evidence “S&L International, Inc.” Source: RevenueBase Database · checked Sep 28, 2026
13	Sightspectrum	Strong evidence	Crowley, TX, United StatesHQ checked Sep 28, 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 28, 2026
14	Alation	Indirect evidence	Redwood City, CA, United StatesHQ checked Sep 28, 2026	501-1,000	604 contacts →
	Indirect evidence “Alation is the knowledge layer empowering enterprises to drive business outcomes.” Source: RevenueBase Database · checked Sep 28, 2026
15	KPI Partners	Partial evidence	Oakland, CA, United StatesHQ checked Sep 28, 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 28, 2026
16	Glowbyte Consulting	Partial evidence	Moscow, RussiaHQ checked Sep 28, 2026	501-1,000	574 contacts →
	Partial evidence “GlowByte Consulting started in 1997 as an IT outsourcing company.” Source: RevenueBase Database · checked Sep 28, 2026
17	SDG Group Italy	Strong evidence	Milan, ItalyHQ checked Sep 28, 2026	1,001-5,000	520 contacts →
	Strong evidence “SDG Group is a global consulting firm specialized in Data & Analytics.” Source: RevenueBase Database · checked Sep 28, 2026
18	Apptad	Strong evidence	Alpharetta, GA, United StatesHQ checked Sep 28, 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 28, 2026
19	Capitani Group	Strong evidence	Sao Paulo, BrazilHQ checked Sep 28, 2026	501-1,000	498 contacts →
	Strong evidence “Founded in 1996, Capitani Group, an IT consulting firm, has been supporting its clients in developing solutions for innovation, data driven, digital transformation, analytics and…” Source: RevenueBase Database · checked Sep 28, 2026
20	CCS Global Tech	Partial evidence	Poway, CA, United StatesHQ checked Sep 28, 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 28, 2026
21	DUA Empat Tujuh, PT Solusi247	Indirect evidence	Jakarta Selatan, IndonesiaHQ checked Sep 28, 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 28, 2026
22	Kastech Software Solutions Group	Partial evidence	Richmond, TX, United StatesHQ checked Sep 28, 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 28, 2026
23	Actian	Partial evidence	Santa Clara, CA, United StatesHQ checked Sep 28, 2026	501-1,000	464 contacts →
	Partial evidence “For over 50 years, we’ve been helping organizations around the globe confidently transform their business by simplifying how people connect, manage, and analyze data.” Source: RevenueBase Database · checked Sep 28, 2026
24	Wavicle Data Solutions	Partial evidence	Oak Brook, IL, United StatesHQ checked Sep 28, 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 28, 2026
25	Infomotion Gmbh	Strong evidence	Frankfurt Am Main, GermanyHQ checked Sep 28, 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 28, 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 warehouse consulting firms. 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 warehouse consulting firms.
Partial evidence: Its own public description names part of data warehouse consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name data warehouse consulting firms. 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 8,863 data warehouse consulting firms worldwide

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Data warehouse consulting firms worldwide at a glance

As of Sep 28, 2026

34.3%Verified-email coverage

15.4Average contacts per company

1-10Median size (employees)

2.2%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

5,283

11-50

2,497

51-200

862

201-500

130

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

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among data warehouse consulting firms, 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 warehouse consulting firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “data warehouse consulting firms”. 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 warehouse consulting firms), 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 warehouse consulting firms, 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, 46,775 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 28, 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 warehouse consulting firms by location

66 lists · largest first

Every Data warehouse consulting firms 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 warehouse consulting firms, 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 warehouse consulting firms are there worldwide?

RevenueBase identified 8,863 data warehouse consulting firms 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?

Netapp, headquartered in San Jose, tops this list with the largest team on record.

Which country has the most data warehouse consulting firms?

The United States leads with 2,096 companies, followed by India (567) and the United Kingdom (502). Every data warehouse consulting firms list by country and city is linked on this page.

Which city has the most data warehouse consulting firms?

London leads with 199 headquartered companies, followed by Paris (131) and Sao Paulo (113).

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 46,775 verified decision-maker contacts tracked across these 8,863 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 28, 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.