Company lists · Data refreshed September 2026

Top 25 Accounting and outsourcing services based in Wilmington, United States

Name: Accounting and outsourcing services based in Wilmington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 66 companies tracked

RevenueBase identified 66 company matches for accounting and outsourcing services associated with Wilmington, United States as of September 2026 and tracks 639 professional contacts across them, including 278 with verified work emails. Across the United States, New York is the largest hub for this category (554 companies); Wilmington has 66.

This list covers company matches for accounting and outsourcing services associated with Wilmington, 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 22, 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 22, 2026 How this list was built

66Companies

639Contacts tracked

278Verified emails

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The 25 largest accounting and outsourcing services based in Wilmington, United States

Ranked by team size

Top 25 of 66 company matches for accounting and outsourcing services based in Wilmington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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	Belfint, Lyons & Shuman, P.A	Exact match	Wilmington, DE, United StatesHQ recorded Sep 22, 2026	51-200	102 contacts →
	Exact match “Belfint, Lyons & Shuman (BLS) is an accounting firm dedicated to serving businesses, nonprofits, estates, and trusts in Delaware, Pennsylvania and beyond.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2	Bolsterbiz	Exact match	Wilmington, DE, United StatesHQ recorded Sep 22, 2026	51-200	94 contacts →
	Exact match “BolsterBiz is a leading provider of comprehensive offshoring and outsourcing services, designed to drive business growth, optimize operational efficiency, and ensure long-term…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3	Breakwater Accounting Advisory Corp	Exact match	Wilmington, DE, United StatesHQ recorded Sep 22, 2026	51-200	66 contacts →
	Exact match “We’re financial and back office experts who understand that every business is unique.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4	SHJ International	Exact match	Wilmington, DE, United StatesHQ recorded Sep 22, 2026	51-200	53 contacts →
	Exact match “WE ARE SHJ INTERNATIONAL “Changing the very Definitions of Great Service.” SHJ International is a venture of hard working and exponentially talented personnel with a diverse range…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5	Gunnip & Company Cpas	Exact match	Wilmington, DE, United StatesHQ recorded Sep 22, 2026	51-200	40 contacts →
	Exact match “Gunnip & Company LLP, Certified Public Accountants and Consultants, is a Delaware firm serving Delaware, Pennsylvania, New Jersey and Maryland with highly personalized and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6	Cap3	Exact match	Wilmington, NC, United StatesHQ recorded Sep 22, 2026	11-50	37 contacts →
	Exact match “CAP3 provides accounting and marketing expertise that helps business owners regain the freedom to focus on what matters most.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7	Management Outsourcing Services	Exact match	Wilmington, DE, United StatesHQ recorded Sep 22, 2026	51-200	23 contacts →
	Exact match “Management Outsourcing Services is a back office multinational company which decentralizes administrative, financial, accounting and marketing activities for entities of all types…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8	RED Bike Advisors	Exact match	Wilmington, NC, United StatesHQ recorded Sep 22, 2026	11-50	21 contacts →
	Exact match “Red Bike Advisors is on a mission to help small business owners simplify, streamline, and save with “Know Your Numbers” financial and tax insights.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9	Corient Business Solutions INC	Exact match	Wilmington, DE, United StatesHQ recorded Sep 22, 2026	201-500	15 contacts →
	Exact match “Corient Business Solutions LLC is a leading Outsourcing Company based out of Delaware, United States.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10	Stroud & Company Cpas, Pllc	Exact match	Wilmington, NC, United StatesHQ recorded Sep 22, 2026	11-50	11 contacts →
	Exact match “Stroud & Company CPAs is known as a leader in South East North Carolina in highly personalized, results-oriented tax preparation and accounting services.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11	Wheeler Wolfenden And Dwares, PAS	Exact match	Wilmington, DE, United StatesHQ recorded Sep 22, 2026	11-50	11 contacts →
	Exact match “At Wheeler Wolfenden and Dwares, CPAs, our first priority is you.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12	Williams Houck & Company	Exact match	Wilmington, DE, United StatesHQ recorded Sep 22, 2026	11-50	11 contacts →
	Exact match “Williams Humphreys & Company (WHC) is a full-service tax accounting and tax advisory firm that is redefining the roles accounting professionals play in supporting their clients’…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13	Accountipro	Exact match	Wilmington, DE, United StatesHQ recorded Sep 22, 2026	1-10	6 contacts →
	Exact match “Accountipro fuels the financial backbone of startups and small businesses.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14	4a Solutions	Exact match	Wilmington, DE, United StatesHQ recorded Sep 22, 2026	51-200	5 contacts →
	Exact match “4A Solutions Inc.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15	Chad Wouters, CPA Pllc	Exact match	Wilmington, NC, United StatesHQ recorded Sep 22, 2026	1-10	5 contacts →
	Exact match “A CPA firm focused on providing concierge CPA services.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16	Bumpers & Company, Certified Public Accountants	Exact match	Wilmington, DE, United StatesHQ recorded Sep 22, 2026	11-50	5 contacts →
	Exact match “Bumpers & Company, Certified Public Accountants, is a Wilmington-based CPA and consulting company that has been providing outstanding service to a wide range of clients since 1922.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17	JON T. Vincent, Cpa, P.C	Exact match	Wilmington, NC, United StatesHQ recorded Sep 22, 2026	51-200	4 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18	Level UP Strategies, LLC	Exact match	Wilmington, NC, United StatesHQ recorded Sep 22, 2026	1-10	4 contacts →
	Exact match “At Level Up Strategies, we're not just consultants; we're doers.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19	Transcend Bookkeeping & Finance	Exact match	Wilmington, NC, United StatesHQ recorded Sep 22, 2026	1-10	4 contacts →
	Exact match “We are Transcend Bookkeeping & Finance, your remote bookkeeping team.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20	Wise Business Solutions	Exact match	Wilmington, DE, United StatesHQ recorded Sep 22, 2026	1-10	4 contacts →
	Exact match “Your business needs to fund your life: travel, adventure, education, and retirement.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21	Olivia Clark CPA Pllc	Exact match	Wilmington, NC, United StatesHQ recorded Sep 22, 2026	1-10	3 contacts →
	Exact match “Hello, I'm Olivia Clark, and my commitment is to empower businesses through quality accounting services and comprehensive financial solutions.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22	Doherty & Associates, LLC	Exact match	Wilmington, DE, United StatesHQ recorded Sep 22, 2026	11-50	3 contacts →
	Exact match “Doherty & Associates offers a combined 70 years experience.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23	Palermo Business Solutions	Exact match	Wilmington, NC, United StatesHQ recorded Sep 22, 2026	1-10	2 contacts →
	Exact match “Most business problems don’t stay in one part of the company.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24	Magis Consulting INC	Exact match	Wilmington, DE, United StatesHQ recorded Sep 22, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25	Century TAX & Accounting	Exact match	Wilmington, DE, United StatesHQ recorded Sep 22, 2026	1-10	2 contacts →
	Exact match “We are a full-service Accounting firm with locations in Delaware, Pennsylvania, and Florida.” Recorded in the RevenueBase company graph · Sep 22, 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 “accounting and outsourcing services”. 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 66 accounting and outsourcing services based in Wilmington, United States

See the full list, filter by size, metro and specialty, and access 278 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accounting and outsourcing services based in Wilmington, United States at a glance

As of Sep 22, 2026

43.5%Verified-email coverage

9.7Average contacts per company

1-10Median size (employees)

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for Wilmington, so it is reported there. Company counts and contact totals on this page are exact for Wilmington, over 66 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 Wilmington, United States whose business descriptions match “accounting and outsourcing services” 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 278 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 22, 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.

Accounting and outsourcing services 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 “accounting and outsourcing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting and outsourcing services are there based in Wilmington, United States?

RevenueBase identified 66 company matches for accounting and outsourcing services associated with Wilmington, 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?

Belfint, Lyons & Shuman, P.A 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 accounting and outsourcing services?

New York leads the United States with 554 company records, followed by Houston (341) and Los Angeles (284). Wilmington has 66.

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 278 professional contacts with verified work emails tracked across these 66 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 22, 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.