Company lists · Data refreshed November 2026

Top 21 Startup software development agencies based in Irvine, United States

Name: Startup software development agencies 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 50 companies tracked

RevenueBase identified 50 company matches for startup software development agencies associated with Irvine, United States as of November 2026 and tracks 1,623 professional contacts across them, including 555 with verified work emails. Across the United States, New York is the largest hub for this category (459 companies); Irvine has 50.

This list covers company matches for startup software development agencies 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

50Companies

1,623Contacts tracked

555Verified emails

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The 21 largest startup software development agencies based in Irvine, United States

Ranked by team size

Top 21 of 50 company matches for startup software development agencies 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	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
5	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
6	Weblineglobal INC	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	51-200	21 contacts →
	Exact match “WeblineGlobal is a US-based remote developer hiring and dedicated development team company headquartered in Irvine, California.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	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
8	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
9	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
10	Everest	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	11-50	14 contacts →
	Exact match “Everest Solutions Group is a professional software development, design and strategy firm with 20 years of experience in the Technology space, such as Cloud, AI, IOT, and etc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	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
12	Startupcrafters	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	51-200	11 contacts →
	Exact match “StartupCrafters is uniquely positioned as a hands-on Startup Studio, Accelerator, Network, and Venture Fund.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Techflex Development	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	51-200	6 contacts →
	Exact match “TechFlex is a California company that provides engineering services based in central Europe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Instaloper	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	11-50	5 contacts →
	Exact match “We partner with you to provide a complete range of bespoke software product creation services allowing you to focus on marketing, sales, and fundraising.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	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
16	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
17	OS Ignite, INC	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “OS Ignite is a boutique development, design, and digital marketing agency based in Irvine & Long Beach, CA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	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
19	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
20	Bold Array	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match “Bold Array is a web design and development firm who focuses on pushing technology and creativity to their limits, delivering cutting-edge solutions with an unrivaled level of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Vergent	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match “We build software solutions that drive innovation and measurable outcomes.” 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 “startup software development agencies”. 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 50 startup software development agencies based in Irvine, United States

See the full list, filter by size, metro and specialty, and access 555 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Startup software development agencies based in Irvine, United States at a glance

As of Nov 6, 2026

34.2%Verified-email coverage

32.5Average contacts per company

1-10Median size (employees)

Nov 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 Irvine, so it is reported there. Company counts and contact totals on this page are exact for Irvine, over 50 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 “startup software development agencies” 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 555 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.

Startup software development agencies 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 “startup software development agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many startup software development agencies are there based in Irvine, United States?

RevenueBase identified 50 company matches for startup software development agencies 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 startup software development agencies?

New York leads the United States with 459 company records, followed by San Francisco (224) and Austin (207). Irvine has 50.

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 555 professional contacts with verified work emails tracked across these 50 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.