Company lists · Data refreshed September 2026

Top 25 Platform building firms based in Washington, United States

Name: Platform building firms based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 74 companies tracked

RevenueBase identified 74 company matches for platform building firms associated with Washington, United States as of September 2026 and tracks 539 professional contacts across them, including 178 with verified work emails. Across the United States, New York is the largest hub for this category (850 companies); Washington has 74.

This list covers company matches for platform building firms associated with Washington, 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 5, 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 5, 2026 How this list was built

74Companies

539Contacts tracked

178Verified emails

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The 25 largest platform building firms based in Washington, United States

Ranked by team size

Top 25 of 74 company matches for platform building firms based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 5, 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	Interactive Strategies	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	51-200	87 contacts →
	Exact match “Interactive Strategies is a full service digital agency whose strength lies in understanding the complex relationship that exists between strategy, design, content, usability…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
2	Design In DC	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	11-50	41 contacts →
	Exact match “Based in the heart of Washington DC, we are a dynamic and innovative full-service Web Design & Creative Agency committed to transforming your vision into a captivating digital…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
3	Tahzoo	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	51-200	40 contacts →
	Exact match “Tahzoo is a globally recognized digital transformation agency that simplifies the customer experience through strategic innovation, experience design, and technology.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
4	mobilize.net	Exact match	Washington, WA, United StatesHQ recorded Sep 5, 2026	201-500	30 contacts →
	Exact match “Mobilize.Net is now part of GAP.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
5	Stratesfy, INC	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	51-200	26 contacts →
	Exact match “Stratesfy is a global technology innovator that empowers organizations to build, integrate, and scale modern digital solutions with intelligence, agility, and performance.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
6	Imajine LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	11-50	25 contacts →
	Exact match “Founded in 2010, Imajine is a full-service web and mobile design/development company.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
7	45 RPM	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	11-50	16 contacts →
	Exact match “45/RPM is a digital agency with a track record of delivering complex websites and highly successful digital marketing campaigns for demanding high-growth companies.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
8	Strategic IT Partners	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	11-50	13 contacts →
	Exact match “Strategic IT Partners (SIP) stands at the forefront of software development and IT consulting, delivering bespoke, high-performance solutions that empower businesses to achieve…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
9	Linchpin Software LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	11-50	11 contacts →
	Exact match “Linchpin Software LLC is a solutions provider specializing in software architecture, cloud computing, enterprise application development, and custom user experience.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
10	Thinknimble	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	11-50	9 contacts →
	Exact match “ThinkNimble is a design and software development agency that turns clients into confident tech leaders who understand their customers and build better solutions.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
11	NCLUD	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	51-200	8 contacts →
	Exact match “We are nclud - A Provocative Creative Agency Founded in 1998, nclud is an interactive agency that has been around for almost as long as the Internet itself.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
12	MESHU	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	11-50	7 contacts →
	Exact match “Architects, advisors, and implementors of brands, experiences, and technology.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
13	Enovational	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	51-200	7 contacts →
	Exact match “Enovational pushes the boundaries between technology, user experience, and design by building beautiful, user-friendly products that have achieved international recognition and…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
14	TOO Darn Loud Digital Marketing	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	1-10	6 contacts →
	Exact match “We are passionate about delivering innovative designs customized to our client’s brand and business focus.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
15	Uxshift	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	11-50	5 contacts →
	Exact match “Good design doesn't just look good, it works beautifully.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
16	Fifth Tribe	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	11-50	4 contacts →
	Exact match “Based out of startup accelerator 1776, Fifth Tribe is a digital agency that serves businesses, government agencies, and nonprofits.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
17	Oaktree Apps	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	1-10	4 contacts →
	Exact match “We are a leading IT consulting services company, specializing in web/mobile application development, cloud computing, and blockchain.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
18	District Interactive	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	11-50	4 contacts →
	Exact match “We are District Interactive.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
19	Buildinary	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	1-10	3 contacts →
	Exact match “Buildinary is a comprehensive App Development Solution.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
20	Alchemicode	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	1-10	3 contacts →
	Exact match “We are a team of lifelong programmers and digital hobbyists.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
21	Scotch Digital	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	1-10	3 contacts →
	Exact match “Top Shelf Web Design & Development - We are creative thinkers with a focus on modern web production.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
22	Gunpowderlabs	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	11-50	2 contacts →
	Exact match “We’ve helped startups build and launch products from scratch, augmented existing development teams to ship better features more quickly, and developed tools to help organizations…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
23	Perphic	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	1-10	2 contacts →
	Exact match “Shaping digital experiences for the world’s leading brands.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
24	Creatorshd	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	1-10	1 contacts →
	Exact match “CreatorsHD, is a digital agency dedicated to developing and/or improving the brand of small businesses, start-ups and non-profits, with a specialty in; website development, social…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
25	Fabulous Apps LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	1-10	1 contacts →
	Exact match “At Fabulous Apps, your success is our success.” Recorded in the RevenueBase company graph · Sep 5, 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 “platform building 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 74 platform building firms based in Washington, United States

See the full list, filter by size, metro and specialty, and access 178 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Platform building firms based in Washington, United States at a glance

As of Sep 5, 2026

33.0%Verified-email coverage

7.3Average contacts per company

1-10Median size (employees)

Sep 5, 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 Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 74 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 Washington, United States whose business descriptions match “platform building 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 178 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 5, 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.

Platform building 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 “platform building firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many platform building firms are there based in Washington, United States?

RevenueBase identified 74 company matches for platform building firms associated with Washington, 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?

Interactive Strategies 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 platform building firms?

New York leads the United States with 850 company records, followed by Austin (358) and Los Angeles (354). Washington has 74.

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 178 professional contacts with verified work emails tracked across these 74 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 5, 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.