Company lists · Data refreshed September 2026

Top 25 Software development services companies based in Bellevue, United States

Name: Software development services companies based in Bellevue, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 6, 2026 73 companies tracked

RevenueBase identified 73 company matches for software development services companies associated with Bellevue, United States as of September 2026 and tracks 3,525 professional contacts across them, including 1,092 with verified work emails. Across the United States, New York is the largest hub for this category (996 companies); Bellevue has 73.

This list covers company matches for software development services companies associated with Bellevue, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 6, 2026 How this list was built

73Companies

3,525Contacts tracked

1,092Verified emails

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The 25 largest software development services companies based in Bellevue, United States

Ranked by team size

Top 25 of 73 company matches for software development services companies based in Bellevue, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Unify Technologies	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	501-1,000	517 contacts →
	Exact match “Unify Technologies is a digital engineering company delivering capabilities across Product Engineering, Enterprise Applications, and Managed IT Services.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
2	AIM Consulting Group	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	501-1,000	398 contacts →
	Exact match “AIM Consulting, an Addison Group company, is an award-winning industry leader in technology consulting and solutions delivery.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
3	Affirma	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	501-1,000	397 contacts →
	Exact match “Affirma is an award-winning full service technology services firm based out of Bellevue, WA.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
4	Inviso	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	201-500	239 contacts →
	Exact match “Inviso is a growing technology consulting firm that offers a wide range of business services for small to enterprise organizations across industries.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
5	CSI Interfusion	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	51-200	219 contacts →
	Exact match “CSI Interfusion is a global IT firm specializing Microsoft technologies.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
6	Congruent Software INC	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	201-500	210 contacts →
	Exact match “Founded in 1994, Congruent Software is a leading software development outsourcing company specialized in custom applications development, enterprise software, cloud computing, and…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
7	Southworks	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	201-500	188 contacts →
	Exact match “SOUTHWORKS Development on Demand model turns up the heat on software engineering projects, taking clients from stuck to scaled one week at a time.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
8	Wallero	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	201-500	146 contacts →
	Exact match “Wallero was born out of a group of technically savvy individuals whose lives revolve around technology and a passion for solving innovative problems for customers.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
9	Prowess Consulting	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	51-200	134 contacts →
	Exact match “Prowess Consulting is a Seattle-based technology services firm specializing in Agentic AI, Data and AI Consulting, IT and Cloud Infrastructure, Software Development and Testing…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
10	Biblioso	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	201-500	102 contacts →
	Exact match “We started more than a decade ago focusing on supporting companies in the Pacific Northwest with IT consulting and documentation projects.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
11	Softacom	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	51-200	77 contacts →
	Exact match “Softacom is a full-cycle business app migration and modernization provider.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
12	Coretek Labs	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	51-200	76 contacts →
	Exact match “Coretek Labs is a AI-focused software engineering partner that empowers organizations across the globe with innovative solutions, unparalleled execution capabilities and…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
13	Tecace Software LTD	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	51-200	64 contacts →
	Exact match “TecAce is a company that specializes in software development and design.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
14	Inabia Solutions And Consulting, INC	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	51-200	62 contacts →
	Exact match “WHO Founded in 2006 and headquartered in Redmond, WA.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
15	Knackhook	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	51-200	54 contacts →
	Exact match “DIGITAL MASTERY REDEFINED.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
16	Pacific Software Publishing, INC	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	11-50	42 contacts →
	Exact match “As an independent software design and development company, we use our technology to create software to help companies save and/or make money.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
17	Adisys Corporation	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	51-200	34 contacts →
	Exact match “Adisys is a comprehensive management consulting organization that provides IT Product and Software development, vertical solutions, and outsourcing services.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
18	Solutions Resource	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	11-50	33 contacts →
	Exact match “Solutions Resource is an IT consulting company specializing in open source Java EE and.NET Web Portal Development using the combination of On-shore and Off-shore Global Consulting…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
19	WMI Worldwide	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	11-50	30 contacts →
	Exact match “WMI Worldwide is a technology and operations consulting firm, specializing in custom software and business process management solutions.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
20	Adroit Business Solutions, INC	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	51-200	28 contacts →
	Exact match “Adroit Business Solutions is a technology outsourcing provider helping clients achieve their business objectives while deriving most value out of their investments.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
21	Virtuosity Consulting Group	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	51-200	26 contacts →
	Exact match “Virtuosity Consulting is a technology services company specializing in the execution, automation and management of critical business and technology initiatives.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
22	Axelerate	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	51-200	17 contacts →
	Exact match “Axelerate is a Bellevue WA based management and technology consulting company that delivers comprehensive technology services and solutions to help clients achieve measurable…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
23	Revivecloud LLC	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	11-50	15 contacts →
	Exact match “ReviveCloud LLC - formerly Kalotas is a Tier 1 Microsoft Partner and one of the leading IT consulting firm in Seattle, WA.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
24	Ideateq INC	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	1-10	12 contacts →
	Exact match “An enterprise product development company building digital solutions for enterprises across various industries covering the world markets.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
25	Seattle Software Developers	Exact match	Bellevue, WA, United StatesHQ recorded Sep 6, 2026	11-50	8 contacts →
	Exact match “Seattle Software Developers is a computer software company based out of 4 102nd Ave NE, Bellevue, WA, United States.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “software development services companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 73 software development services companies based in Bellevue, United States

See the full list, filter by size, metro and specialty, and access 1,092 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Software development services companies based in Bellevue, United States at a glance

As of Sep 6, 2026

31.0%Verified-email coverage

48.3Average contacts per company

11-50Median size (employees)

Sep 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for Bellevue, so it is reported there. Company counts and contact totals on this page are exact for Bellevue, over 73 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Bellevue, United States whose business descriptions match “software development services companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 1,092 professional contacts with verified work emails across the full matched dataset. 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.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Software development services companies by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “software development services companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many software development services companies are there based in Bellevue, United States?

RevenueBase identified 73 company matches for software development services companies associated with Bellevue, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Unify Technologies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most software development services companies?

New York leads the United States with 996 company records, followed by Austin (584) and Houston (502). Bellevue has 73.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,092 professional contacts with verified work emails tracked across these 73 companies; direct dials are available where recorded.

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.

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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 SmartSearch, 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.