Company lists · Data refreshed September 2026

Top 21 Lansa software development companies based in Seattle, United States

Name: Lansa software development companies based in Seattle, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 111 companies tracked

RevenueBase identified 111 company matches for lansa software development companies associated with Seattle, United States as of September 2026 and tracks 1,693 professional contacts across them, including 607 with verified work emails. Across the United States, New York is the largest hub for this category (613 companies); Seattle has 111.

This list covers company matches for lansa software development companies associated with Seattle, 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 4, 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 4, 2026 How this list was built

111Companies

1,693Contacts tracked

607Verified emails

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The 21 largest lansa software development companies based in Seattle, United States

Ranked by team size

Top 21 of 111 company matches for lansa software development companies based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 4, 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	Blackstone EIT	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	1,001-5,000	265 contacts →
	Exact match “Blackstone eIT is a leading System Integrator (SI) and Independent Software Vendor (ISV), globally dedicated to engineering transformative enterprise solutions and intelligent…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
2	Nextec Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	51-200	155 contacts →
	Exact match “NexTec Group is an award-winning business technology consultancy offering ERP and BI solutions to small and mid-sized businesses.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
3	White Rabbit Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	51-200	135 contacts →
	Exact match “White Rabbit Group is a software development agency with a highly diverse and creative team that takes an idea through development and into scale.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
4	Teleion	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	51-200	133 contacts →
	Exact match “Teleion is a Seattle-based company with focus on the following service offerings:* Solutions Development & Content Management * Business Intelligence & Data Management * Risk &…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
5	Audax Labs	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	51-200	94 contacts →
	Exact match “Audax Labs - Outcome-Driven Innovation!” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
6	2nd Watch	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	201-500	70 contacts →
	Exact match “2nd Watch is now Ollion.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
7	Janea Systems	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	51-200	58 contacts →
	Exact match “For over two decades, Janea Systems has provided high impact software development services to Fortune 500 companies.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
8	Envorso	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	51-200	53 contacts →
	Exact match “At Envorso, we specialize in guiding businesses through the complexities of modern engineering, software, and digital transformation.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
9	Kuelap, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	51-200	41 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
10	Spiderbox Design Vietnam	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	51-200	38 contacts →
	Exact match “Spiderbox Design - Transforming businesses worldwide with innovative digital solutions since 2011.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
11	Palador	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	11-50	26 contacts →
	Exact match “Palador has provided successful enterprise solutions and strategic initiatives for mobility, app and web development and data and software integration since 2005.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
12	Cimplesoft	Exact match	Seattle, United StatesHQ recorded Sep 4, 2026	11-50	25 contacts →
	Exact match “CimpleSoft has a regenerative approach to business analysis and data solutions.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
13	Pubgenius INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	11-50	24 contacts →
	Exact match “At pubGENIUS we build software that helps great ideas become real products.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
14	Broadpoint Group	Exact match	Seattle, United StatesHQ recorded Sep 4, 2026	51-200	19 contacts →
	Exact match “BroadPoint Group provides the services to grow your team, augment your staff and guide your company’s technical goals.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
15	Itrellis, LLC	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	11-50	14 contacts →
	Exact match “iTrellis is a Custom Software and Systems Integration consultancy located in Seattle, WA.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
16	Inventsoft	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	51-200	11 contacts →
	Exact match “InventSoft is a Technology Solutions and Consulting services firm that specializes in Product Development, Consulting Services, and Staffing Services.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
17	Lunarbyte	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	1-10	9 contacts →
	Exact match “Lunarbyte is a custom software and product development firm trusted by teams across industries to deliver dependable, scalable software solutions that drive real business results.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
18	Fostec	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	1-10	8 contacts →
	Exact match “Founded in 1998, Fostec is a client-focused Information Technology consulting firm that designs solutions and provides technical expertise to small and mid-sized businesses…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
19	Gols INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	11-50	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
20	Pythonwise INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	11-50	6 contacts →
	Exact match “Pythonwise Inc is leading provider of Information Technology consulting and business process services.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
21	Spring SOA	Exact match	Seattle, United StatesHQ recorded Sep 4, 2026	1-10	5 contacts →
	Exact match “Spring SOA people provide a range of professional services that help clients to meet challenges and respond to opportunities.” Recorded in the RevenueBase company graph · Sep 4, 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 “lansa software development 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 21 of 111 lansa software development companies based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 607 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Lansa software development companies based in Seattle, United States at a glance

As of Sep 4, 2026

35.9%Verified-email coverage

15.3Average contacts per company

11-50Median size (employees)

Sep 4, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Email recency for this list is measured across the whole United States list rather than for Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 111 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 Seattle, United States whose business descriptions match “lansa software development 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 607 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 4, 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.

Lansa software development 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 “lansa software development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many lansa software development companies are there based in Seattle, United States?

RevenueBase identified 111 company matches for lansa software development companies associated with Seattle, 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?

Blackstone EIT 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 lansa software development companies?

New York leads the United States with 613 company records, followed by Austin (386) and Houston (365). Seattle has 111.

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 607 professional contacts with verified work emails tracked across these 111 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 4, 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.