Company lists · Data refreshed September 2026

Top 20 Big 4 audit firms based in Indianapolis, United States

RevenueBase identified 25 company matches for big 4 audit firms associated with Indianapolis, United States as of September 2026 and tracks 1,495 professional contacts across them, including 944 with verified work emails. Across the United States, New York is the largest hub for this category (160 companies); Indianapolis has 25.

This list covers company matches for big 4 audit firms associated with Indianapolis, 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 21, 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 21, 2026 How this list was built
25Companies
1,495Contacts tracked
944Verified emails
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The 20 largest big 4 audit firms based in Indianapolis, United States

Ranked by team size
Top 20 of 25 company matches for big 4 audit firms based in Indianapolis, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 2026501-1,000788 contacts →

Exact match

“KSM (Katz, Sapper & Miller) is a nationally recognized advisory, tax, and audit firm.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 202651-200262 contacts →

Exact match

“As a national full-service accounting and advisory firm exclusively serving nonprofit organizations, CapinCrouse provides professional solutions to organizations whose outcomes…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchIndianapolis, United StatesHQ recorded Sep 21, 202651-20099 contacts →

Exact match

“Engaging Solutions is a multi-faceted management consulting firm with the personnel and resources to accomplish everything from high level management and auditing to ground-level…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 202651-20083 contacts →

Exact match

“BGBC, a Springline Company is a full-service, Indianapolis-based advisory firm offering assurance, tax, and consulting services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 2026201-50041 contacts →

Exact match

“For over 60 years, our team has been guiding clients through the critical decisions that impact their financial health.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 202611-5039 contacts →

Exact match

“Founded in 1938 by Roy J.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 202611-5035 contacts →

Exact match

“Agresta, Storms & O’Leary is a full service accounting firm offering assurance, tax, and business consulting services, including bank and finance consulting, business valuations…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 202611-5030 contacts →

Exact match

“London Witte is a leading certified public accounting and consulting firm dedicated to helping clients maximize their full potential.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 202611-5019 contacts →

Exact match

“Many business owners believe that the total on a balance sheet tells them everything they need to know.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 202611-5012 contacts →

Exact match

“CG CPAs.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 202611-5011 contacts →

Exact match

“Our services are designed to provide more than financial oversight-they deliver strategic value.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“At MKR CPAs and Advisors, we value people and we value relationships.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 20261-1010 contacts →

Exact match

“J.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 202611-509 contacts →

Exact match

“Established in 1985, Aspire CPAs is a full-service public accounting firm that specializes in servicing small to medium-sized emerging business clients and other not-for-profit…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 202611-509 contacts →

Exact match

“Our founding partners formed Alerding CPA Group in 1998 because they believed their clients would be better served with more personalized service.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 20261-105 contacts →

Exact match

“Bottom Line Advisors is an accounting firm built to help businesses, from start-ups to larger established companies, manage their financial and accounting back office.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 20261-104 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 202611-504 contacts →

Exact match

“At Peachin Schwartz & Weingardt, Relationships Matter We are advisors that deliver accounting, tax, consulting and assurance solutions.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 20261-101 contacts →

Exact match

“CPA's and advisers for small businesses, with a focus on the construction industry”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 20 of 25 big 4 audit firms based in Indianapolis, United States

See the full list, filter by size, metro and specialty, and access 944 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Big 4 audit firms based in Indianapolis, United States at a glance

As of Sep 21, 2026
63.1%Verified-email coverage
59.8Average contacts per company
11-50Median size (employees)
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
8
11-50
12
51-200
3
201-500
1
501-1,000
1

Email recency for this list is measured across the whole United States list rather than for Indianapolis, so it is reported there. Company counts and contact totals on this page are exact for Indianapolis, over 25 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 Indianapolis, United States whose business descriptions match “big 4 audit firms” 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 944 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 21, 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.

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 “big 4 audit firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many big 4 audit firms are there based in Indianapolis, United States?

RevenueBase identified 25 company matches for big 4 audit firms associated with Indianapolis, 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?

KSM Katz, Sapper & Miller 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 big 4 audit firms?

New York leads the United States with 160 company records, followed by Houston (94) and Chicago (73). Indianapolis has 25.

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 944 professional contacts with verified work emails tracked across these 25 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 21, 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.