Company lists · Data refreshed September 2026

Top 25 Custom SaaS developers based in Chicago, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 101 companies tracked

RevenueBase identified 101 company matches for custom SaaS developers associated with Chicago, United States as of September 2026 and tracks 1,017 professional contacts across them, including 352 with verified work emails. Across the United States, New York is the largest hub for this category (252 companies); Chicago has 101.

This list covers company matches for custom SaaS developers associated with Chicago, 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

101Companies

1,017Contacts tracked

352Verified emails

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The 25 largest custom SaaS developers based in Chicago, United States

Ranked by team size

Top 25 of 101 company matches for custom SaaS developers based in Chicago, 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	Q1 Technologies, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	262 contacts →
	Exact match “Q1 Technologies is a global IT solutions and services provider focused on delivering innovative, scalable, and high-impact technology outcomes for enterprises worldwide.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Soliant Consulting	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	76 contacts →
	Exact match “At Soliant, we build custom software solutions that break down growth barriers and open doors to new opportunities.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Simetrica Consulting	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	40 contacts →
	Exact match “Simetrica Consulting is a computer software company based out of Ave.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Echelon Consulting, L.L.C	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	37 contacts →
	Exact match “Echelon Consulting, LLC.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Alpha Efficiency	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	35 contacts →
	Exact match “Alpha Efficiency engages in research and development of high leverage software solutions for business purposes.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	PLEGO	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	33 contacts →
	Exact match “Plego is a global web, mobile, Artificial Intelligence, and custom software development agency with offices in Chicago, Houston, Milwaukee, Dubai, Riyadh and Karachi.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Aptlylabs	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	24 contacts →
	Exact match “Empower your startup's vision by partnering with us to craft robust technology infrastructure tailored to your unique needs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Phycom, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	20 contacts →
	Exact match “At Phycom, we don't just develop software – we get things done.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Friendly Solutions Corp	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	17 contacts →
	Exact match “We are an information technology consulting firm, dedicated to providing comprehensive technology solutions for specific business needs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Vault Innovation Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	15 contacts →
	Exact match “VAULT offers custom software solutions, digital experiences and growth services for tech-enabled businesses, entrepreneurs and visionaries.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Prudence	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	13 contacts →
	Exact match “Custom Software Development: We specialize in delivering custom software development for both startups and established companies, tailored to meet your unique needs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	CSW Solutions	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	12 contacts →
	Exact match “CSW Solutions is a Chicago-based technology partner specializing in custom software development, AI-driven solutions, code auditing, and managed IT services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Nova Libra, INC	Exact match	Chicago, United StatesHQ recorded Sep 29, 2026	1-10	11 contacts →
	Exact match “Nova Libra specializes in the maintenance and distribution of product information.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	DVC Solutions	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	10 contacts →
	Exact match “DVC Solutions is an international technology company specializing in mission-critical IT infrastructure, system integration, cyber defense, custom software development, data…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Spantree Llc, A Trifork Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	9 contacts →
	Exact match “Spantree is a Chicago-based consultancy delivering intelligent, high quality software solutions for the web.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Reintivity	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	8 contacts →
	Exact match “Empowering your business through cutting-edge cloud and IT solutions, Reintivity Technology Solutions is your trusted partner in driving technological innovation and operational…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Eight-Bot, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	7 contacts →
	Exact match “EIGHT BOT is NOT your traditional Enterprise development shop.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Click5 Interactive LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	7 contacts →
	Exact match “Based in downtown Chicago, click5 Interactive is a small (but growing) team of creative technologists.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Amplify Tech Labs	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	6 contacts →
	Exact match “At Amplify Tech Labs, we don’t just build software-we drive measurable results.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Oscillas Technologies, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	5 contacts →
	Exact match “At Oscillas, we work closely with our clients to understand their business processes so that we can effectively and efficiently apply unique and industry-leading technological…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Chicago Software Solutions C S S	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	5 contacts →
	Exact match “Chicago Software Solutions (C\|S\|S) is a dynamic leader in custom software development and technology consulting with over 17 years of experience.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	606 Digital	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	4 contacts →
	Exact match “606 Digital is a technology consulting firm that offers custom software solutions, development, support, and consulting services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Erws, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	4 contacts →
	Exact match “Based in Chicago, IL, eRWS, Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Ophanic	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	3 contacts →
	Exact match “At Ophanic, we specialize in creating tailored software solutions designed to empower businesses and streamline operations.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Databender	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	3 contacts →
	Exact match “Rethink what's possible.” 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 SaaS 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 101 custom SaaS developers based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 352 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Custom SaaS developers based in Chicago, United States at a glance

As of Sep 29, 2026

34.6%Verified-email coverage

10.1Average contacts per company

11-50Median size (employees)

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 101 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 Chicago, United States whose business descriptions match “custom SaaS 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 352 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 SaaS 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 SaaS developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom SaaS developers are there based in Chicago, United States?

RevenueBase identified 101 company matches for custom SaaS developers associated with Chicago, 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?

Q1 Technologies, INC 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 SaaS developers?

New York leads the United States with 252 company records, followed by Austin (158) and Houston (114). Chicago has 101.

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 352 professional contacts with verified work emails tracked across these 101 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.