Company lists · Data refreshed September 2026

Top 11 Custom software development startups based in Santa Clara, United States

Name: Custom software development startups based in Santa Clara, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 42 companies tracked

RevenueBase identified 42 company matches for custom software development startups associated with Santa Clara, United States as of September 2026 and tracks 1,067 professional contacts across them, including 109 with verified work emails. Across the United States, New York is the largest hub for this category (603 companies); Santa Clara has 42.

This list covers company matches for custom software development startups associated with Santa Clara, 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 29, 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 29, 2026 How this list was built

42Companies

1,067Contacts tracked

109Verified emails

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The 11 largest custom software development startups based in Santa Clara, United States

Ranked by team size

Top 11 of 42 company matches for custom software development startups based in Santa Clara, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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	Alpha NET	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 29, 2026	501-1,000	203 contacts →
	Exact match “Alpha Net Consulting is a global IT services firm with over two decades of experience delivering strategic IT staffing, managed services, enterprise software development, and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Saasvaap INC	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 29, 2026	51-200	153 contacts →
	Exact match “At Saasvaap, we specialize in delivering next-generation software solutions that help businesses simplify, scale, and succeed.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Effone	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 29, 2026	201-500	139 contacts →
	Exact match “EffOne was founded by a team of Software Engineers in 1996, as a California Corporation with the mission of providing custom software development services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Eitacies INC	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 29, 2026	51-200	106 contacts →
	Exact match “EITACIES Inc, established since 2008 with globally integrated service centers, a pioneer in providing software development services in SOA, Cloud Integration, Cyber Security &…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Datanet IT	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 29, 2026	201-500	66 contacts →
	Exact match “We are proud to provide our clients with the latest in IT services and solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Irislogic INC	Exact match	Santa Clara, United StatesHQ recorded Sep 29, 2026	501-1,000	46 contacts →
	Exact match “IrisLogic strives to be a globally respected company that delivers the most suitable and intelligent software & technology solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Opallios INC	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 29, 2026	51-200	44 contacts →
	Exact match “Opallios brings to the market a unique combination of technology and business skill set that has enabled us to revolutionize product development lifecycle.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Omega Solutions, INC	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 29, 2026	11-50	41 contacts →
	Exact match “Omega was incorporated in 2007 in the State of California to offer high end IT Solutions ranging from IT Software and product development to technology deployment and specialize…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Appulse Technologies	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 29, 2026	51-200	29 contacts →
	Exact match “Appulse is a global Software Consulting firm committed to innovation, quality and service.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Excellentric Infosystems	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 29, 2026	11-50	18 contacts →
	Exact match “Excellentric Infosystems specializes in mobile application development, Website designs and game development.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Phase 2 Industries, LLC	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 29, 2026	11-50	2 contacts →
	Exact match “We help clients design and develop innovative, custom software apps across all platforms.” Recorded in the RevenueBase company graph · Sep 29, 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 development startups”. 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 11 of 42 custom software development startups based in Santa Clara, United States

See the full list, filter by size, metro and specialty, and access 109 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Custom software development startups based in Santa Clara, United States at a glance

As of Sep 29, 2026

10.2%Verified-email coverage

25.4Average contacts per company

11-50Median size (employees)

Sep 29, 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 Santa Clara, so it is reported there. Company counts and contact totals on this page are exact for Santa Clara, over 42 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 Santa Clara, United States whose business descriptions match “custom software development startups” 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 109 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 29, 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 development startups 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 development startups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom software development startups are there based in Santa Clara, United States?

RevenueBase identified 42 company matches for custom software development startups associated with Santa Clara, 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?

Alpha NET 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 development startups?

New York leads the United States with 603 company records, followed by Austin (351) and Houston (252). Santa Clara has 42.

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 109 professional contacts with verified work emails tracked across these 42 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 29, 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.