Skip to main content

Company lists · Data refreshed September 2026

Top 25 Software consultants based in Seattle, United States

Compiled by the RevenueBase Data Team Data refreshed Sep 6, 2026 316 companies tracked

RevenueBase identified 316 software consultants headquartered in Seattle, United States as of September 2026 and tracks 31,154 professional contacts across them, including 15,838 with verified work emails. New York is the largest hub.

This list covers software consultants headquartered in Seattle, 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 6, 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 6, 2026 86% judged on-target in blind review
316Companies
31,154Contacts tracked
15,838Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest software consultants based in Seattle, United States

Ranked by team size
Top 25 of 316 software consultants based in Seattle, United States, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to software consultants: 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
1
Slalom
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 202610001+10,032 contacts →

“Slalom is a fiercely human business and technology consulting company that leads with outcomes to bring more value, in all ways, always.”

Source: company website · checked Sep 6, 2026
2
Point B
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 2026501-1,000656 contacts →

“At Point B, we help organizations adapt and thrive in a world that refuses to stand still.”

Source: company website · checked Sep 6, 2026
3
Blackstone EIT
Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 20261,001-5,000270 contacts →

“Blackstone eIT is a leading System Integrator (SI) and Independent Software Vendor (ISV), globally dedicated to engineering transformative enterprise solutions and intelligent…”

Source: company website · checked Sep 6, 2026
4
Wimmer Solutions
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 2026501-1,000262 contacts →

“We help you to see the full picture, bringing our experts together with you to co-develop approaches and operationalize plans across the dimension of strategy, people, process…”

Source: company website · checked Sep 6, 2026
5
Logic20 20, INC
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 2026201-500240 contacts →

“Headquartered in Seattle with offices nationwide, we've been helping clients address their toughest challenges-and achieve their most ambitious goals-since 2005.”

Source: company website · checked Sep 6, 2026
6
Utilicast
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 2026201-500181 contacts →

“Utilicast is more than just a consulting company.”

Source: company website · checked Sep 6, 2026
7
Nextec Group
Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 202651-200155 contacts →

“NexTec Group is an award-winning business technology consultancy offering ERP and BI solutions to small and mid-sized businesses.”

Source: company website · checked Sep 6, 2026
8
White Rabbit Group
Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 202651-200135 contacts →

“White Rabbit Group is a software development agency with a highly diverse and creative team that takes an idea through development and into scale.”

Source: company website · checked Sep 6, 2026
9
Teleion
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 202651-200127 contacts →

“Teleion is a Seattle-based company with focus on the following service offerings:* Solutions Development & Content Management * Business Intelligence & Data Management * Risk &…”

Source: company website · checked Sep 6, 2026
10
Ukad Umbraco, Optimizely And Azure Solution Partner
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 2026201-500123 contacts →

“UKAD is a helping companies extend engineering capacity and deliver complex solutions with predictable outcomes.”

Source: company website · checked Sep 6, 2026
11
Sila Solutions Group
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 202651-200103 contacts →

“Sila is a technology and management consulting firm that delivers lasting and substantial business solutions to the world’s leading corporations and Federal government agencies.”

Source: company website · checked Sep 6, 2026
12
TWO Degrees
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 2026n/a99 contacts →

“LOVE YOUR WORK AND LIFE.”

Source: company website · checked Sep 6, 2026
13
Audax Labs
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 202651-20094 contacts →

“Audax Labs - Outcome-Driven Innovation!”

Source: company website · checked Sep 6, 2026
14
Ntsprint
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 202651-20092 contacts →

“NTSprint is an IT company founded in the State of Washington, United States, in 2016.”

Source: company website · checked Sep 6, 2026
15
H10 Capital
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 2026201-50082 contacts →

“H10 is a Consulting and Project Resources firm headquartered in Seattle, WA.”

Source: company website · checked Sep 6, 2026
16
2nd Watch
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 2026201-50067 contacts →

“2nd Watch is now Ollion.”

Source: company website · checked Sep 6, 2026
17
Cogentsoft Systems
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 202651-20061 contacts →

“CogentSoft, we provide consulting, technology and business process outsourcing solutions to organizations.”

Source: company website · checked Sep 6, 2026
18
Janea Systems
Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 202651-20060 contacts →

“For over two decades, Janea Systems has provided high impact software development services to Fortune 500 companies.”

Source: company website · checked Sep 6, 2026
19
Envorso
Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 202651-20051 contacts →

“At Envorso, we specialize in guiding businesses through the complexities of modern engineering, software, and digital transformation.”

Source: company website · checked Sep 6, 2026
20
Linda Werner & Associates, INC
Indirect evidenceSeattle, United StatesHQ checked Sep 6, 202651-20039 contacts →

“Linda Werner & Associates is a technology, consulting and technical staffing firm, providing acumen and solutions that include content management, learning, knowledge management…”

Source: company website · checked Sep 6, 2026
21
Kuelap, INC
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 202651-20039 contacts →
Source: company website · checked Sep 6, 2026
22
Spiderbox Design Vietnam
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 202651-20038 contacts →

“Spiderbox Design - Transforming businesses worldwide with innovative digital solutions since 2011.”

Source: company website · checked Sep 6, 2026
23
Greene IS
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 202611-5035 contacts →

“Full service Information Technology Consulting and Outsourcing for Your Business Greene IS specializes in providing comprehensive computer networking solutions to the small and…”

Source: company website · checked Sep 6, 2026
24
Turnpoint
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 202611-5029 contacts →

“Our company is a boutique IT consulting firm providing high-level IT consulting, outsourced IT management, and help desk services to small- and medium-sized businesses in the…”

Source: company website · checked Sep 6, 2026
25
Palador
Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 202611-5028 contacts →

“Palador has provided successful enterprise solutions and strategic initiatives for mobility, app and web development and data and software integration since 2005.”

Source: company website · checked Sep 6, 2026

Showing 25 of 316 software consultants based in Seattle, United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 15,838 reachable decision-makers.

Free signup · no credit card

View the full list →

Software consultants based in Seattle, United States at a glance

As of Sep 6, 2026
50.8%Verified-email coverage
98.6Average contacts per company
1-10Median size (employees)
462.0%Largest-city concentration · New York
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
185
11-50
82
51-200
34
201-500
5
501-1,000
5
1,001-5,000
1
5,001-10,000
1
10001+
3

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 316 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 software consultants, 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 Seattle, United States whose own description of what they do matches “software consultants”. 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 software consultants), 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 software consultants, and records with no verified work email. Companies headquartered outside Seattle 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, 15,838 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 6, 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.

Software consultants 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 software consultants, 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 software consultants are there based in Seattle, United States?

RevenueBase identified 316 software consultants headquartered in Seattle, 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?

Slalom, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most software consultants?

New York leads with 1460 headquartered companies, followed by Houston (877) and Austin (854).

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 15,838 verified decision-maker contacts tracked across these 316 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 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 316 software consultants based in Seattle, United States. Start with a free account, no credit card.

Download this list →

Related lists

Browse: Companies home · Software consultants in United States · All United States lists · All Software consultants lists · New lists

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.

More company lists