Company lists · Data refreshed September 2026

Top 25 Impact consulting firms based in Oakland, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 113 companies tracked

RevenueBase identified 113 company matches for impact consulting firms associated with Oakland, United States as of September 2026 and tracks 707 professional contacts across them, including 363 with verified work emails. Across the United States, New York is the largest hub for this category (1,952 companies); Oakland has 113.

This list covers company matches for impact consulting firms associated with Oakland, 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

113Companies

707Contacts tracked

363Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest impact consulting firms based in Oakland, United States

Ranked by team size

Top 25 of 113 company matches for impact consulting firms based in Oakland, 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	Terraphase Engineering INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	201-500	166 contacts →
	Exact match “Terraphase offers cost-effective solutions to complex environmental and engineering challenges.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	Grail Insights NOW Escalent	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	201-500	109 contacts →
	Exact match “Escalent acquired Grail Insights in June 2021 to accelerate growth for its clients by creating a seamless flow between primary, secondary, syndicated, and internal business data…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	KW Engineering	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	51-200	97 contacts →
	Exact match “In 1998, I started kW Engineering as a two-person firm with a singular vision: to become the leading technical experts at saving money in buildings by saving energy and water.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	Circlepoint	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	11-50	47 contacts →
	Exact match “At Circlepoint, we are committed to helping our clients solve the challenges of today.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	Public Profit	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	17 contacts →
	Exact match “Public Profit helps mission-driven organizations measure and manage what matters.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	44 Energy	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	11-50	8 contacts →
	Exact match “44 Energy is an international consulting firm that provides world-class services for the sustainable transportation and clean energy markets.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	ADACI	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	8 contacts →
	Exact match “ADACI is a global advisory and business strategy firm passionate about helping clients take control of their future.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Inpd Center, INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	7 contacts →
	Exact match “We help companies develop products and services customers want while eliminating the waste and frustration of launching product duds.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Kenney And Associates	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	6 contacts →
	Exact match “Founded in 1987, Kenney and Associates is a provider of marketing and management consulting services to the design and construction industry.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	Leapfrog Consulting	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	5 contacts →
	Exact match “Leapfrog Consulting was founded in 2001 to support public, nonprofit and private sector organizations working collaboratively to reach their goals and fulfill their dreams.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Exceptional Community Connections, LLC	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	5 contacts →
	Exact match “We help fill in the gaps, so you can focus on impact!” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Hypha Collective	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	4 contacts →
	Exact match “Hypha Collective is an advisory firm helping businesses, governments, and civil society take action in building a more just, equitable, and ecologically conscious world.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	Axtel Consulting	Exact match	Oakland, NJ, United StatesHQ recorded Sep 30, 2026	1-10	4 contacts →
	Exact match “Helping Grow Businesses by improving Customer Experience & Customer Communication We work with businesses to differentiate themselves in today’s competitive marketplace.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	Jeweld Consulting	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	4 contacts →
	Exact match “Based in Oakland, Jeweld Consulting helps government agencies, nonprofits, and grassroots leaders build a more just, equitable future.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	Harmonize Consulting	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “Harmonize helps groups bridge the gap between values, vision, and impact.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Version Consulting	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “Version Consulting tracks ROI on new areas of growth, reimagines your strategy, implements change management, and so much more.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Onside Partners	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “Onside Partners helps nonprofit and philanthropic leaders of social change movements wrangle big ideas into concrete action.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	Curvejumper	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “We exist to enable leaders to find their next wave of business growth - and we've combined insights, ideas, and action all in one place to bring that to reality.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Firetiger Technologies	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “Firetiger Technologies is an advisory firm that provides management consulting and economic development services.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	CSB Philanthropic Solutions	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “Cassandra Benjamin’s consulting practice is focused on selecting, facilitating, coaching, and investing in collaborative initiatives seeking to improve outcomes for low-income…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Lemon Battery	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “Lemon Battery is a consulting & capacity building studio that helps social impact leaders design innovative strategies, programs, and solutions.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	Principal Gift Solutions LLC	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “Principal Gift Solutions helps social-impact organizations unlock their full potential.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	Accessible Climate Strategies	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “Accessible Climate Strategies is a specialized consulting firm focused on disability-forward climate mitigation and resilience.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	J3d Solutions, LLC	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “We are a Consultancy providing Transformational Life Coaching, Agile Coaching, Project Management and Business Intelligence services to Fortune 100 companies.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	Bodner Consulting	Exact match	Oakland, CA, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “A consultancy focused on social enterprises where we aim to empower leaders and amplify their social impact.” 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 25 of 113 impact consulting firms based in Oakland, United States

See the full list, filter by size, metro and specialty, and access 363 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

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

As of Sep 30, 2026

51.3%Verified-email coverage

6.3Average contacts per company

1-10Median size (employees)

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for Oakland, so it is reported there. Company counts and contact totals on this page are exact for Oakland, over 113 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 Oakland, 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 363 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 Oakland, United States?

RevenueBase identified 113 company matches for impact consulting firms associated with Oakland, 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?

Terraphase Engineering 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 impact consulting firms?

New York leads the United States with 1,952 company records, followed by Chicago (974) and Washington (937). Oakland has 113.

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 363 professional contacts with verified work emails tracked across these 113 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.

Ready to reach these companies? Verified emails and direct dials for all 113 impact consulting firms based in Oakland, United States. Start with a free account, no credit card.

Download this list →

Related lists

Impact consulting firms by geography

Browse the directory

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.