Company lists · Data refreshed September 2026

Top 25 Comprehensive planning consultants based in Seattle, United States

Name: Comprehensive planning consultants based in Seattle, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 63 companies tracked

RevenueBase identified 63 company matches for comprehensive planning consultants associated with Seattle, United States as of September 2026 and tracks 2,796 professional contacts across them, including 1,517 with verified work emails. Across the United States, New York is the largest hub for this category (138 companies); Seattle has 63.

This list covers company matches for comprehensive planning consultants associated with Seattle, 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 19, 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 19, 2026 How this list was built

63Companies

2,796Contacts tracked

1,517Verified emails

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The 25 largest comprehensive planning consultants based in Seattle, United States

Ranked by team size

Top 25 of 63 company matches for comprehensive planning consultants based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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	Parametrix	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	501-1,000	880 contacts →
	Exact match “At Parametrix, we help our clients imagine what's possible.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Harris Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	51-200	178 contacts →
	Exact match “Harris Group is a multidiscipline engineering consulting firm with offices located throughout the United States.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	Herrera Environmental Consultants	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	51-200	176 contacts →
	Exact match “Herrera Environmental Consultants is a leading engineering and scientific consulting firm focused on restoration, water, and sustainable development.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	LMN Architects	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	51-200	170 contacts →
	Exact match “About LMN Architects Seattle-based LMN Architects specializes in the planning and design of significant public and private facilities, including convention centers, cultural arts…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Perteet INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	51-200	126 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Gglo Design	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	11-50	115 contacts →
	Exact match “GGLO is an integrated design firm that provides architecture, urban design, planning, research, interior design, and landscape architecture to clients around the world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	Cascadia Consulting Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	51-200	110 contacts →
	Exact match “Cascadia Consulting Group is a majority women-owned consulting firm specializing in environmental and sustainability solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	The Miller Hull Partnership, LLP	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	51-200	104 contacts →
	Exact match “The Miller Hull Partnership is an architecture and planning firm rooted in environmentally-responsible designs that create a regenerative and inclusive future.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	Berk Consulting, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	11-50	68 contacts →
	Exact match “BERK is an interdisciplinary consultancy integrating strategy, planning, and policy development; financial and economic analysis; and facilitation, design, and communications.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	KPG	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	51-200	66 contacts →
	Exact match “KPG was initially formed in 1990 by a team of engineers, architects, landscape architects, and urban designers committed to and focused on community-driven public projects.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	Floyd Snider	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	11-50	48 contacts →
	Exact match “Floyd\|Snider is a multi-disciplinary environmental consulting firm providing engineering, strategic project management, and scientific expertise to achieve balanced solutions to…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	HBB Landscape Architecture	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	11-50	34 contacts →
	Exact match “HBB is a 20 person professional Landscape Architecture, Urban Design, and Planning firm located in Downtown Seattle.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	MIG SVR	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	201-500	29 contacts →
	Exact match “SvR Design Company was founded in 1989 with a mission of providing innovation in the built environment.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Weinstein A U	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	11-50	26 contacts →
	Exact match “At Weinstein AU, we look for ways to make our complex world a more balanced, inspirational, and productive place in which to live, work, and participate in civic life.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Jackson Main Architecture, P.S	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	11-50	24 contacts →
	Exact match “Jackson \| Main Architecture is a full-service architecture and planning firm designing what’s next in the built environment.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Delta E Consulting	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	11-50	22 contacts →
	Exact match “At Delta E, we specialize in a diverse range of consulting services, including Sustainability, Carbon consulting, Energy services, and design expertise in Mechanical, Electrical…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Pacland	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	1-10	20 contacts →
	Exact match “Founded in 1994, PACLAND is recognized as a leading site development consulting/engineering firm based in Seattle and serving the western US.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Uncommon Bridges	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	11-50	19 contacts →
	Exact match “Uncommon Bridges builds more vibrant, just, and thriving communities by braiding inclusive process, consensus leadership, impactful organizations, and meaningful places into…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Schemata Workshop	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	11-50	16 contacts →
	Exact match “Schemata Workshop provides full architecture and urban design services on new and renovation projects from concept through construction.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Jacobson Consulting Engineers	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	11-50	12 contacts →
	Exact match “Your trusted partners, delivering innovative solutions and expert civil site development.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	GCH Planning And Landscape Architecture	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	11-50	10 contacts →
	Exact match “Geyer Coburn Hutchins (GCH) is a world class landscape architectural and land planning firm made up of professionals with diverse and complementary backgrounds.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Caron Architecture	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	11-50	9 contacts →
	Exact match “Caron is a full-service architecture firm that provides simple, elegant designs for a wide variety of national and international clients.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Green Earth Operations, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	11-50	8 contacts →
	Exact match “Green Earth Operations is an environmental science and engineering firm providing objective analysis and environmentally responsible solutions to meet the needs of our clients.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	True Wind Collaborative	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	1-10	7 contacts →
	Exact match “True Wind Collaborative is a consulting firm that designs and implements comprehensive strategic planning, stakeholder engagement, and communications programs in service of our…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Crete Consulting INC	Exact match	Seattle, United StatesHQ recorded Sep 19, 2026	1-10	7 contacts →
	Exact match “Environmental/civil consulting and engineering services.” Recorded in the RevenueBase company graph · Sep 19, 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 “comprehensive planning consultants”. 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 63 comprehensive planning consultants based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 1,517 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Comprehensive planning consultants based in Seattle, United States at a glance

As of Sep 19, 2026

54.3%Verified-email coverage

44.4Average contacts per company

11-50Median size (employees)

Sep 19, 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 Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 63 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 Seattle, United States whose business descriptions match “comprehensive planning consultants” 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 1,517 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 19, 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.

Comprehensive planning consultants 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 “comprehensive planning consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many comprehensive planning consultants are there based in Seattle, United States?

RevenueBase identified 63 company matches for comprehensive planning consultants associated with Seattle, 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?

Parametrix 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 comprehensive planning consultants?

New York leads the United States with 138 company records, followed by Houston (90) and Washington (75). Seattle has 63.

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 1,517 professional contacts with verified work emails tracked across these 63 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 19, 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.