Company lists · Data refreshed September 2026

Top 22 Big data consultancies based in Washington, United States

RevenueBase identified 41 big data consultancies headquartered in Washington, United States as of September 2026 and tracks 434 professional contacts across them, including 186 with verified work emails. Across the United States, New York is the largest hub for this category (206 companies); Washington has 41.

This list covers big data consultancies headquartered in Washington, United States, 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 27, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
41Companies
434Contacts tracked
186Verified emails
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The 22 largest big data consultancies based in Washington, United States

Ranked by team size
Top 22 of 41 big data consultancies based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to big data consultancies: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 202651-200124 contacts →

Partial evidence

“Summit is a quantitative consulting and data analytics firm that works with public and commercial clients to turn data into actionable intelligence.”

Source: RevenueBase Database · checked Sep 27, 2026
2Indirect evidenceWashington, PA, United StatesHQ checked Sep 27, 202651-20063 contacts →

Indirect evidence

“Visvero helps organizations make analytics and AI initiatives executable.”

Source: RevenueBase Database · checked Sep 27, 2026
3Strong evidenceWashington, DC, United StatesHQ checked Sep 27, 202611-5045 contacts →

Strong evidence

“Location-based big data can be overwhelming, inaccessible, and noisy.”

Source: RevenueBase Database · checked Sep 27, 2026
4Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 202611-5010 contacts →

Partial evidence

“trusted consulting services & software development to compliment your data and digital strategy”

Source: RevenueBase Database · checked Sep 27, 2026
5Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 202611-509 contacts →

Partial evidence

“Most mid-market companies have more data than they know what to do with.”

Source: RevenueBase Database · checked Sep 27, 2026
6Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 202611-508 contacts →

Partial evidence

“We use data, analytics, and technology to move people to action.”

Source: RevenueBase Database · checked Sep 27, 2026
7Indirect evidenceWashington, DC, United StatesHQ checked Sep 27, 202611-507 contacts →

Indirect evidence

“Client Founded, Customer Focused, Hi-Touch Passionate Agency" From Just An Idea As a Client To Founder of an Agency.”

Source: RevenueBase Database · checked Sep 27, 2026
8Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-104 contacts →

Partial evidence

“We are data scientists and machine learning experts who have designed, developed and implemented systems that power or enhance the functioning of major government and private…”

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-103 contacts →

Indirect evidence

“Driving Change That Matters.”

Source: RevenueBase Database · checked Sep 27, 2026
10Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-103 contacts →

Partial evidence

“We specialize in delivering cutting-edge solutions for businesses seeking to harness the power of data and technology to drive success.”

Source: RevenueBase Database · checked Sep 27, 2026
11Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-103 contacts →

Partial evidence

“At Vizalytix, we help organizations build thriving data cultures.”

Source: RevenueBase Database · checked Sep 27, 2026
12Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-103 contacts →

Partial evidence

“em·data is a data design and analytics firm that helps you build data capabilities and solutions”

Source: RevenueBase Database · checked Sep 27, 2026
13Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-103 contacts →

Partial evidence

“Capital Consulting Group, LLC is a digital and data visualization consulting firm serving enterprise and government agencies who are looking for ways to maximize the data they…”

Source: RevenueBase Database · checked Sep 27, 2026
14Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-102 contacts →

Partial evidence

“Consulting services specialized in developing and deploying business analytics and data-driven decision-making platforms.”

Source: RevenueBase Database · checked Sep 27, 2026
15Indirect evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-102 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 27, 2026
16Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-101 contacts →

Partial evidence

“Bulldog Insights Group is a data analytics professional services firm with a passion for digging up insights.”

Source: RevenueBase Database · checked Sep 27, 2026
17Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-101 contacts →

Partial evidence

“CNB Consulting helps organizations turn data into clarity, strategy, and measurable growth.”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceWashington, United StatesHQ checked Sep 27, 20261-101 contacts →

Indirect evidence

“Strategy + Emerging Technology & Analytics + Program Management => Results What We Do - Helping senior executives and general managers grow profits through innovation and…”

Source: RevenueBase Database · checked Sep 27, 2026
19Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-101 contacts →

Partial evidence

“Burdade Strategies is a Hispanic- and LGBT-owned consultancy that helps organizations actually use their data to make better decisions.”

Source: RevenueBase Database · checked Sep 27, 2026
20Indirect evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-101 contacts →

Indirect evidence

“Do you just want to focus on your business goals without having to worry about the latest cloud technology, how to scale software, or technical architectures?”

Source: RevenueBase Database · checked Sep 27, 2026
21Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-101 contacts →

Partial evidence

“ROI Analytics is a pioneering Management Consulting firm dedicated to seamlessly integrating data and business strategies.”

Source: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-101 contacts →

Indirect evidence

“Cogitari means to Think, Imagine, and Know.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 22 of 41 big data consultancies based in Washington, United States

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Big data consultancies based in Washington, United States at a glance

As of Sep 27, 2026
42.9%Verified-email coverage
10.6Average contacts per company
1-10Median size (employees)
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
29
11-50
8
51-200
3
501-1,000
1

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 41 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 big data consultancies, 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 Washington, United States whose own description of what they do matches “big data consultancies”. 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 big data consultancies), 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 big data consultancies, and records with no verified work email. Companies headquartered outside Washington 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, 186 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 27, 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 big data consultancies, 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 big data consultancies are there based in Washington, United States?

RevenueBase identified 41 big data consultancies headquartered in Washington, United States 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?

Summit, headquartered in Washington, tops this list with the largest team on record.

Which city in the United States has the most big data consultancies?

New York leads the United States with 206 headquartered companies, followed by Chicago (118) and Atlanta (94). Washington has 41.

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 186 verified decision-maker contacts tracked across these 41 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 27, 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.