Company lists · Data refreshed November 2026

Top 22 Software engineering consultancies based in Irvine, United States

Name: Software engineering consultancies 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 105 companies tracked

RevenueBase identified 105 company matches for software engineering consultancies associated with Irvine, United States as of November 2026 and tracks 3,235 professional contacts across them, including 897 with verified work emails. Across the United States, New York is the largest hub for this category (621 companies); Irvine has 105.

This list covers company matches for software engineering consultancies 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

105Companies

3,235Contacts tracked

897Verified emails

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The 22 largest software engineering consultancies based in Irvine, United States

Ranked by team size

Top 22 of 105 company matches for software engineering consultancies 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	Authority Partners	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	400 contacts →
	Exact match “Authority Partners is a global technology strategy consulting and custom software development company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	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
4	Xavor Corporation	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	51-200	273 contacts →
	Exact match “Xavor has been a trusted technology partner to Fortune 500s, SMEs, and startups for over 3 decades.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Ejamerica	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	146 contacts →
	Exact match “We provide Digital Application Services, Cyber Security Services, IT Consulting Services, Modern End-User Services, Data Center and Cloud Services and IT Staffing services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	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
7	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
8	West Coast Consulting	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	201-500	93 contacts →
	Exact match “West Coast Consulting is a privately held boutique consulting firm formed in 1998, specializing in providing Information Technology solutions and Outsourcing services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Abotts Consulting INC	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	51-200	70 contacts →
	Exact match “ABOTTS is a consulting and staffing services company headquartered in Irvine, California, focused on meeting both IT and non-IT needs of our clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	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
11	Virstack	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	51-200	31 contacts →
	Exact match “Virstack is an AI and custom software engineering company that helps organizations innovate, scale, and adopt AI through enterprise-grade software and intelligent automation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	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
13	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
14	Irvinetek	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	11-50	20 contacts →
	Exact match “IrvineTek is agile consulting and management firm that specializes in customized software and tech-enabled solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	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
16	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
17	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
18	Zanecoder	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	11-50	12 contacts →
	Exact match “zC is a premier software development and consulting firm that delivers cutting-edge enterprise applications tailored to the unique needs of mortgage banks and private colleges…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Skillsjump	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	1-10	11 contacts →
	Exact match “Skillsjump is an software consulting company founded by software engineers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	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
21	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
22	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

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 engineering consultancies”. 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 22 of 105 software engineering consultancies based in Irvine, United States

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Software engineering consultancies based in Irvine, United States at a glance

As of Nov 6, 2026

27.7%Verified-email coverage

30.8Average 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 105 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 “software engineering consultancies” 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 897 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.

Software engineering consultancies 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 engineering consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many software engineering consultancies are there based in Irvine, United States?

RevenueBase identified 105 company matches for software engineering consultancies 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 software engineering consultancies?

New York leads the United States with 621 company records, followed by Austin (399) and Houston (372). Irvine has 105.

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 897 professional contacts with verified work emails tracked across these 105 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.