Company lists · Data refreshed September 2026

Top 25 Advisory and outsourcing services based in Houston, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 804 companies tracked

RevenueBase identified 804 company matches for advisory and outsourcing services associated with Houston, United States as of September 2026 and tracks 12,637 professional contacts across them, including 3,706 with verified work emails. Across the United States, New York is the largest hub for this category (1,947 companies); Houston follows with 804.

This list covers company matches for advisory and outsourcing services associated with Houston, 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 23, 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 23, 2026 How this list was built

804Companies

12,637Contacts tracked

3,706Verified emails

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The 25 largest advisory and outsourcing services based in Houston, United States

Ranked by team size

Top 25 of 804 company matches for advisory and outsourcing services based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 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	Weaver	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,860 contacts →
	Exact match “Weaver has built a nationwide presence on an unwavering commitment to client success, acting with integrity and always striving to transcend expectations.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2	Arthur Lawrence	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	501-1,000	525 contacts →
	Exact match “Arthur Lawrence is a global management and technology consulting firm with expertise in talent acquisition, business process outsourcing (BPO) and consulting.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3	Fluxtek Solutions INC	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	501-1,000	523 contacts →
	Exact match “Fluxtek Solutions Inc has established a track record as a leading fast growing IT consulting, services, and outsourcing firm.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4	Sira Consulting, An INC 5000 Company	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	201-500	329 contacts →
	Exact match “SiRA Consulting is a Certified MBE consulting company that was founded in 2012.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	Koya Consulting INC	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	51-200	303 contacts →
	Exact match “Koya Consulting Inc, follows its own set of processes, methodologies, and disciplines in order to provide high-quality services.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6	Mayatax	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	501-1,000	269 contacts →
	Exact match “Growth exposes financial weakness.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
7	Opportune	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	201-500	258 contacts →
	Exact match “Opportune LLP is a leading global business advisory firm focused on adding value to clients across multiple industries with preeminence in energy.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
8	NEW Tech Global	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	51-200	245 contacts →
	Exact match “New Tech Global (NTG) is comprised of 5 different business units: New Tech Global Ventures: Upstream Oil & Gas consultancy services, and W-2 professional placement services for…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	Sirius Solutions	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	201-500	231 contacts →
	Exact match “eTeam Sirius Solutions L.L.C.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10	Stellium INC	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	51-200	205 contacts →
	Exact match “Stellium is a specialized management consulting firm committed to designing and delivering solutions that improve businesses worldwide.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	3s Business Corporation INC	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	51-200	185 contacts →
	Exact match “3S Business Corporation is a specialized Software & Consulting Services Provider based in Houston, TX, which helps clients plan, implement and maintain their technology…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
12	LN Technologies	Exact match	Houston, United StatesHQ recorded Sep 23, 2026	51-200	181 contacts →
	Exact match “LN Technologies is an IT services provider, backed with extensive experience and creative strategies to meet the dynamic needs of clients in both public and private sectors.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13	EAG	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	51-200	179 contacts →
	Exact match “EAG is a Houston-based, privately held consulting, back-office outsourcing, and IT outsourcing firm that delivers products and services primarily to the upstream and midstream oil…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14	Accounting Solutions	Exact match	Houston, PA, United StatesHQ recorded Sep 23, 2026	n/a	149 contacts →
	Exact match “Accounting Solutions provides a wide range of services to individuals and businesses in a variety of industries.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15	Revenew International	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	201-500	135 contacts →
	Exact match “Revenew is an independent control layer that helps organizations validate supplier billing, contract compliance, tax recovery, and financial controls.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	Abip Cpas & Advisors	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	51-200	135 contacts →
	Exact match “At abip CPAs & Advisors, we provide assurance, tax, and advisory services tailored to mid-market companies and entrepreneurs.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	GSD Solutions	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	201-500	126 contacts →
	Exact match “GSD Solutions is a consulting and co-sourcing partner built for companies that need more capability - not more overhead.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	Malonebailey, LLP	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	51-200	125 contacts →
	Exact match “MaloneBailey is a full service, PCAOB-registered CPA firm that provides audit, tax and consulting services to companies both publicly-traded and privately-held.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	Access Sciences	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	51-200	122 contacts →
	Exact match “Access Sciences is a consulting and business process outsourcing firm specializing in information governance, technology enablement, and business strategy.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	Stonebridge Consulting	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	51-200	101 contacts →
	Exact match “Stonebridge Consulting provides business advisory and technology services for next-gen oil and gas.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
21	Weinstein Spira	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	51-200	95 contacts →
	Exact match “Weinstein Spira is a highly respected CPA and business advisory firm that proactively assists businesses and individuals with complex tax, audit, business management, wealth…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	Drda, LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	11-50	91 contacts →
	Exact match “DRDA, LLC is a full-service accounting firm serving clients throughout the area, dedicated to providing our clients with professional, personalized services and guidance in a wide…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
23	Clutch Group	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	n/a	90 contacts →
	Exact match “A company that provides business services.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	Hrss Cpas	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	51-200	87 contacts →
	Exact match “HRSS is a full-service accounting, tax, audit, and advisory firm with 40 years of experience serving businesses and individuals, with a focus on middle-market clients.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25	Texas United Management Corporation	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	201-500	83 contacts →
	Exact match “Texas United Management Corporation (TUM) is a privately owned shared services provider, founded in 1989.” Recorded in the RevenueBase company graph · Sep 23, 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 “advisory 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 804 advisory and outsourcing services based in Houston, United States

See the full list, filter by size, metro and specialty, and access 3,706 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Advisory and outsourcing services based in Houston, United States at a glance

As of Sep 23, 2026

29.3%Verified-email coverage

15.7Average contacts per company

1-10Median size (employees)

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

527

11-50

181

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 804 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 Houston, United States whose business descriptions match “advisory 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 3,706 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 23, 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.

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

How many advisory and outsourcing services are there based in Houston, United States?

RevenueBase identified 804 company matches for advisory and outsourcing services associated with Houston, 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?

Weaver 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 advisory and outsourcing services?

New York leads the United States with 1,947 company records, followed by Houston (804) and Chicago (737).

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 3,706 professional contacts with verified work emails tracked across these 804 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 23, 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.