Company lists · Data refreshed November 2026

Top 21 Custom application development consultants based in Seattle, United States

RevenueBase identified 127 company matches for custom application development consultants associated with Seattle, United States as of November 2026 and tracks 1,366 professional contacts across them, including 411 with verified work emails. Across the United States, New York is the largest hub for this category (712 companies); Seattle has 127.

This list covers company matches for custom application development consultants 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 November 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 Nov 6, 2026 How this list was built
127Companies
1,366Contacts tracked
411Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 21 largest custom application development consultants based in Seattle, United States

Ranked by team size
Top 21 of 127 company matches for custom application development consultants based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202651-200127 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“Audax Labs - Outcome-Driven Innovation!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202651-20083 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-5033 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“At pubGENIUS we build software that helps great ideas become real products.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“NewNormal builds custom software and lasting partnerships Since 2012 we’ve helped clients turn ideas into products that scale.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Founded in 2003, EXP makes people’s lives easier and more productive, through collaborative relationships with our clients and community We can provide a complete outsourced IT…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Treadwell is a software consulting firm specializing in Bonterra's (previously Social Solutions) Apricot and ETO case management software.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202651-20021 contacts →

Exact match

“Since 2007, EXIT83 Consulting has been assisting companies with Website Development, Software Architecture, Mobile Application Development, Business Analysis and Fundraising…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“We partner with companies, from Fortune 500 giants to mid-sized businesses, to solve complex challenges in cloud migrations, integrations, application development and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“What sets GenUI apart is an end-to-end product focus throughout all our experience design and software development services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 20261-1011 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSeattle, United StatesHQ recorded Nov 6, 202651-2009 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 · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Welcome to K.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-507 contacts →

Exact match

“About Us: Snaps Technologies Limited is an emerging software technology service company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-507 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Pythonwise Inc is leading provider of Information Technology consulting and business process services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-505 contacts →

Exact match

“We build custom business software solutions that scale with companies and help streamline business processes and also specialize in NetSuite build/implementation for larger…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Enetics Networks was founded in 1998 to provide smart, cost-effective technology solutions for businesses throughout Washington state.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSeattle, United StatesHQ recorded Nov 6, 20261-104 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 · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Cogenix offers business consulting, application development and software integration services to our client base.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 21 of 127 custom application development consultants based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 411 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Custom application development consultants based in Seattle, United States at a glance

As of Nov 6, 2026
30.1%Verified-email coverage
10.8Average contacts per company
1-10Median size (employees)
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
66
11-50
39
51-200
17
201-500
2
501-1,000
2
5,001-10,000
1

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 127 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 “custom application development consultants” 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 411 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 November 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.

Custom application development consultants 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 “custom application development consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom application development consultants are there based in Seattle, United States?

RevenueBase identified 127 company matches for custom application development consultants associated with Seattle, United States as of November 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?

White Rabbit Group 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 custom application development consultants?

New York leads the United States with 712 company records, followed by Austin (433) and Houston (391). Seattle has 127.

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 411 professional contacts with verified work emails tracked across these 127 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 November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 127 custom application development consultants based in Seattle, United States. Start with a free account, no credit card.

Download this list →

Related 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 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.