Company lists · Data refreshed November 2026

Top 25 Custom software developers based in Irvine, United States

Name: Custom software developers based in Irvine, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 70 companies tracked

RevenueBase identified 70 company matches for custom software developers associated with Irvine, United States as of November 2026 and tracks 1,621 professional contacts across them, including 397 with verified work emails. Across the United States, New York is the largest hub for this category (416 companies); Irvine has 70.

This list covers company matches for custom software developers associated with Irvine, 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

70Companies

1,621Contacts tracked

397Verified emails

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The 25 largest custom software developers based in Irvine, United States

Ranked by team size

Top 25 of 70 company matches for custom software developers based in Irvine, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Sigma Infosolutions LTD	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	201-500	461 contacts →
	Exact match “Sigma Infosolutions is a prominent provider of technology solutions and services globally, with our headquarters in Irvine, USA, and global offices in Australia & India.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Foothill Technology Solutions, LLC	Exact match	Irvine, United StatesHQ recorded Nov 6, 2026	201-500	337 contacts →
	Exact match “Foothill Technology Solutions is a Software development company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Prophecy Technologies	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	132 contacts →
	Exact match “At Prophecy Technologies, we specialize in providing advanced software solutions that help organizations harness new opportunities and drive sustained growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	O2 Technologies,inc	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	102 contacts →
	Exact match “O2 Technology attracts imaginative citizens from all types of backgrounds, bringing together excitement and new dreams to meet challenges and appreciate their talent.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	First American Software Solutions Group	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	11-50	52 contacts →
	Exact match “First American Software Solutions Group provides custom software solutions for the real estate and financial services industries, including application and database development…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Infoswift Corp	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	51-200	48 contacts →
	Exact match “InfoSwift Corp is a trusted technology partner with over 15 years of experience delivering innovative IT solutions to clients across the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Connex Info Systems, INC	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	51-200	41 contacts →
	Exact match “Connex Info Systems is a global IT services company specialized in developing custom software applications and providing consulting services around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Companya	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	51-200	24 contacts →
	Exact match “Welcome to Company A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Clouda INC	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	11-50	22 contacts →
	Exact match “Clouda Inc is a software development agency focused on implementing solutions that drive ecommerce excellence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Kingsmen Digital Ventures	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	11-50	18 contacts →
	Exact match “Kingsmen Digital Ventures is a next generation development partner.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Cappital	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	11-50	16 contacts →
	Exact match “Give your business an advantage no one else has.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Baytech Consulting	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	11-50	14 contacts →
	Exact match “Baytech is a team of developers, architects and project managers with a singular focus.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Miadvg LLC	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	11-50	12 contacts →
	Exact match “Our global team strategies, designs, and builds software, which means you don’t need multiple agencies for one project.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Entrust Software Development	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	51-200	10 contacts →
	Exact match “Entrust Software Development, also known as ESDI Software Development US, is a global development company with offices in the United States and India.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Allied Consultants	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	51-200	10 contacts →
	Exact match “Allied Consultants is a technology consulting firm specializing in Enterprise Application Integration, Business Intelligence, Web 2.0 and Mobile Development.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Custom Software Solutions, INC	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	11-50	9 contacts →
	Exact match “Custom Software Solutions helps clients create the ideal customer experience, across the entire customer journey.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Irvine Software Company	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	1-10	7 contacts →
	Exact match “Irvine Software Company is a custom software development and technology consulting firm serving SMBs, mid-market companies, and Fortune 500 organizations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Springshine Consulting, INC	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	11-50	6 contacts →
	Exact match “SpringShine Consulting offers the best-in-the-class technology services to small and medium businesses across the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	S90	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	1-10	5 contacts →
	Exact match “We design and implement strategic IT solutions & services for dynamic businesses in Orange County.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Aeritech	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	1-10	4 contacts →
	Exact match “At AeriTech, we are driven to deliver custom software solutions to captivate users and create a technological boost to advance your business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Wytcote, INC	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	11-50	4 contacts →
	Exact match “WytCote is not a typical high tech company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Magnanime Global Solutions	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	11-50	3 contacts →
	Exact match “Magnanime is a global software development and consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Dinan Solutions	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “Dinan Solutions is a software solutions company specializing in IT, system engineering, and healthcare software.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Harborobjects LLC	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “Since 1990, the success of HarborObjects has been built by our winning team of software developers and architects, each with deep experience in various technologies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Alphanuity	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “Alphanuity is a company based out of Aspen Grove, Irvine, CA, United States.” Recorded in the RevenueBase company graph · Nov 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 “custom software developers”. 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 70 custom software developers based in Irvine, United States

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Custom software developers based in Irvine, United States at a glance

As of Nov 6, 2026

24.5%Verified-email coverage

23.2Average contacts per company

11-50Median size (employees)

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Irvine, so it is reported there. Company counts and contact totals on this page are exact for Irvine, over 70 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 Irvine, United States whose business descriptions match “custom software developers” 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 397 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 software developers 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 software developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom software developers are there based in Irvine, United States?

RevenueBase identified 70 company matches for custom software developers associated with Irvine, 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?

Sigma Infosolutions LTD 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 software developers?

New York leads the United States with 416 company records, followed by Austin (250) and Houston (214). Irvine has 70.

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 397 professional contacts with verified work emails tracked across these 70 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.

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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.