Company lists · Data refreshed September 2026

Top 25 Data and analytics consulting firms based in Washington, United States

RevenueBase identified 141 data and analytics consulting firms headquartered in Washington, United States as of September 2026 and tracks 3,671 professional contacts across them, including 1,487 with verified work emails. New York is the largest hub.

This list covers data and analytics consulting firms 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 21, 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 21, 2026 86% judged on-target in blind review
141Companies
3,671Contacts tracked
1,487Verified emails
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The 25 largest data and analytics consulting firms based in Washington, United States

Ranked by team size
Top 25 of 141 data and analytics consulting firms based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to data and analytics 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 20261,001-5,0002,026 contacts →

Partial evidence

“Gallup delivers analytics and advice to help leaders and organizations solve their most pressing problems.”

Source: RevenueBase Database · checked Sep 21, 2026
2Strong evidenceWashington, DC, United StatesHQ checked Sep 21, 202651-200124 contacts →

Strong 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 21, 2026
3Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 202651-200103 contacts →

Partial evidence

“We are a people-centric company- helping organizations improve processes, decision-making, and performance-We build dashboards integrating multiple data sources to enable true…”

Source: RevenueBase Database · checked Sep 21, 2026
4Strong evidenceWashington, DC, United StatesHQ checked Sep 21, 202651-20093 contacts →

Strong evidence

“DCI is a human resources analytics and compliance consulting firm dedicated to helping our clients with their organizational challenges while also mitigating their risk.”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceWashington, DC, United StatesHQ checked Sep 21, 202651-20091 contacts →

Indirect evidence

“We revolutionize how organizations approach complex challenges and activate their audiences.”

Source: RevenueBase Database · checked Sep 21, 2026
6Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 202651-20088 contacts →

Partial evidence

“For more than 40 years, Kx Advisors, part of BGBx Consulting, has provided strategy consulting services to help healthcare executives achieve critical business growth goals.”

Source: RevenueBase Database · checked Sep 21, 2026
7Indirect evidenceWashington, DC, United StatesHQ checked Sep 21, 202651-20084 contacts →

Indirect evidence

“Running an organization and executing plans is hard work.”

Source: RevenueBase Database · checked Sep 21, 2026
8Strong evidenceWashington, DC, United StatesHQ checked Sep 21, 202651-20071 contacts →

Strong evidence

“FrontierView (Part of FiscalNote) uniquely combines world-class strategic market intelligence and analyst advisory services through data, insights, and analytical tools, to power…”

Source: RevenueBase Database · checked Sep 21, 2026
9Strong evidenceWashington, DC, United StatesHQ checked Sep 21, 202651-20069 contacts →

Strong evidence

“HarrisX is a technology, analytics, and research company, that leverages data and creativity to drive strategic answers to our client’s burning questions.”

Source: RevenueBase Database · checked Sep 21, 2026
10Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-5058 contacts →

Partial evidence

“iDS is a strategic consulting, technology, and expert services firm.”

Source: RevenueBase Database · checked Sep 21, 2026
11Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 202651-20058 contacts →

Partial evidence

“TargetSmart’s team has extensive experience in both consumer and political data.”

Source: RevenueBase Database · checked Sep 21, 2026
12Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-5056 contacts →

Partial evidence

“WHO WE ARE: Data Society provides industry-tailored, high-quality data science training and advisory services for corporations and government agencies with a desire to make data…”

Source: RevenueBase Database · checked Sep 21, 2026
13Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 202651-20049 contacts →

Partial evidence

“Inca Digital links blockchain, social media, dark web, and traditional financial data to deliver actionable intelligence.(1) Detecting risks in real time.(2) Finding bad actors…”

Source: RevenueBase Database · checked Sep 21, 2026
14Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-5045 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-5033 contacts →

Indirect evidence

“We deliver rapid, measurable top-line improvements for smaller, investor-backed growth companies across multiple industries At the Cortado Group, our go-to-market experts help…”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceWashington, DC, United StatesHQ checked Sep 21, 202651-20028 contacts →

Indirect evidence

“Vantage is a leading source of market research for enterprise organizations.”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-5022 contacts →

Indirect evidence

“Greenwald Research is a consultative partner to health and wealth leaders that leverages industry expertise, access to experts, and a custom, collaborative approach to produce…”

Source: RevenueBase Database · checked Sep 21, 2026
18Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-5016 contacts →

Partial evidence

“Where data science and legal expertise intersect.”

Source: RevenueBase Database · checked Sep 21, 2026
19Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-5015 contacts →

Partial evidence

“Payne Enterprises offers high-quality strategic insights for a fraction of the cost of large, traditional management consulting firms.”

Source: RevenueBase Database · checked Sep 21, 2026
20Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-5013 contacts →

Partial evidence

“Since 1994, LeoRose has served public and private sector clients with management consulting services in the fields of IT, health, program support, and financial technology.”

Source: RevenueBase Database · checked Sep 21, 2026
21Strong evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-5010 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
22Partial evidenceWashington, United StatesHQ checked Sep 21, 202611-5010 contacts →

Partial evidence

“Clarity Campaign Labs guides progressive campaigns and organizations on a path to victory through customized polling, analytics, and strategy solutions.”

Source: RevenueBase Database · checked Sep 21, 2026
23Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-509 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
24Strong evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-508 contacts →

Strong evidence

“We help organizations leverage data and analytics to understand their customers and supports and provoke them action.”

Source: RevenueBase Database · checked Sep 21, 2026
25Strong evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-508 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 141 data and analytics consulting firms based in Washington, United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,487 reachable decision-makers.

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Data and analytics consulting firms based in Washington, United States at a glance

As of Sep 21, 2026
40.5%Verified-email coverage
26.0Average contacts per company
1-10Median size (employees)
373.0%Largest-city concentration · New York
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
84
11-50
34
51-200
17
201-500
2
501-1,000
1
1,001-5,000
2
10001+
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 141 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 data and analytics 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.
What qualifies
Companies headquartered in Washington, United States whose own description of what they do matches “data and analytics 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 and analytics 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 and analytics consulting firms, 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, 1,487 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 21, 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 and analytics consulting firms by metro in the United States

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 and analytics 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 and analytics consulting firms are there based in Washington, United States?

RevenueBase identified 141 data and analytics consulting firms 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?

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

Which city has the most data and analytics consulting firms?

New York leads with 526 headquartered companies, followed by Chicago (317) and Atlanta (224).

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 1,487 verified decision-maker contacts tracked across these 141 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 21, 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.