Company lists · Data refreshed September 2026

Top 21 Impact consulting firms based in Leesburg, United States

Name: Impact consulting firms based in Leesburg, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 45 companies tracked

RevenueBase identified 45 company matches for impact consulting firms associated with Leesburg, United States as of September 2026 and tracks 321 professional contacts across them, including 86 with verified work emails. Across the United States, New York is the largest hub for this category (1,952 companies); Leesburg has 45.

This list covers company matches for impact consulting firms associated with Leesburg, 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 30, 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 30, 2026 How this list was built

45Companies

321Contacts tracked

86Verified emails

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The 21 largest impact consulting firms based in Leesburg, United States

Ranked by team size

Top 21 of 45 company matches for impact consulting firms based in Leesburg, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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	Osaava Services	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	11-50	44 contacts →
	Exact match “OSAAVA Services LLC exists to solve the critical issues facing our clients, both large and small.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	Catapult Growth Partners, LLC	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	11-50	24 contacts →
	Exact match “Catapult Growth Partners is focused on growing our clients' Enterprise Value.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	DAR Partners LLC	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	1-10	23 contacts →
	Exact match “D.A.R.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	Fedsight Consulting	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	11-50	21 contacts →
	Exact match “We developed Fedsight with a desire to do work differently by thinking differently.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	Kalani Consulting, INC	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	51-200	17 contacts →
	Exact match “We establish a partnership with our customers, to enable their vision, and maximize the return on investment for every program.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	Immersive Solutions Group, LLC ISG	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	11-50	16 contacts →
	Exact match “At ISG, our philosophy is simple, we bring together exceptional people and let them go to work solving the nation’s toughest challenges.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	Packaged Agile	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	11-50	15 contacts →
	Exact match “Are you realizing the promised benefits of a large-scale Agile approach?” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	ARM Consulting, LLC	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	11-50	13 contacts →
	Exact match “ARM Consulting (ARM) brings over 25 years of consulting experience by providing exceptional quality services in the areas of human resources, technology and healthcare resulting…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Securepro INC	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	51-200	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	CIG Consumer Insights Group	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	11-50	6 contacts →
	Exact match “Consumer Insights Group (CIG) delivers strategic and tactical consumer insights to companies of every background, shape, and size around the world.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Federal Pricing Group	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	1-10	4 contacts →
	Exact match “Federal Pricing Group provides specialized contracts pricing consulting services to small and mid-sized federal contractors.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Great Western Advisory	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	1-10	4 contacts →
	Exact match “Great Western Advisory provides integrated management consulting knowledge, expertise, and tools to Fortune 500 companies, federal agencies and non-profits.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	Flywheel Associates	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	1-10	4 contacts →
	Exact match “We are a business strategy, marketing and operations consultancy that bridges the gap between strategy and execution.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	Capital Strategies, LLC	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	1-10	4 contacts →
	Exact match “Capital Strategies, LLC is a Veteran Owned Small Business specializing in management and executive management consulting.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	Selwitz Consulting	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “We believe that progress doesn’t have to mean more layers-just the right leadership at the right time.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Guidequest	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “GuideQuest provides leadership consulting and coaching to develop leaders and teams, enhance performance, navigate career transition, and drive strategic change.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Hoffman Financial Group LLC	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “Comprehensive Business Consulting Services based on Decades of Company Engagements and Industry…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	Konvivial	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “Einstein is quoted as having said that if he had one hour to save the world, he would spend fifty-five minutes defining the problem and only five minutes finding the solution.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Bowen House Consulting	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “We bring focus to your business through leadership alignment, customer centric strategy and execution.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Vyopath INC	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “VyoPath is the trusted advisor to business leaders seeking innovative, creative and strategic solutions to help them plan for and navigate the challenges of the ever-changing…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Zulewski.com LLC	Exact match	Leesburg, VA, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “We focus on where the technology is going and how it can provide business value to our customers.” Recorded in the RevenueBase company graph · Sep 30, 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 “impact consulting firms”. 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 21 of 45 impact consulting firms based in Leesburg, United States

See the full list, filter by size, metro and specialty, and access 86 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Impact consulting firms based in Leesburg, United States at a glance

As of Sep 30, 2026

26.8%Verified-email coverage

7.1Average contacts per company

1-10Median size (employees)

Sep 30, 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 Leesburg, so it is reported there. Company counts and contact totals on this page are exact for Leesburg, over 45 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 Leesburg, United States whose business descriptions match “impact consulting 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 86 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 30, 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.

Impact consulting firms 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 “impact consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many impact consulting firms are there based in Leesburg, United States?

RevenueBase identified 45 company matches for impact consulting firms associated with Leesburg, 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?

Osaava Services 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 impact consulting firms?

New York leads the United States with 1,952 company records, followed by Chicago (974) and Washington (937). Leesburg has 45.

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 86 professional contacts with verified work emails tracked across these 45 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 30, 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.