| # | Company | Employees |
|---|---|---|
| 1 |
Amazonamazon.com
An e-commerce giant offering a vast selection of products, convenient shopping experiences, and fast delivery, connecting buyers with a wide range of sellers |
1,541,000 |
| 2 |
Expedia Groupcareers.expediagroup.com
A tech company in the travel industry creating unforgettable experiences, empowering travelers worldwide, and committed to inclusivity and accessibility |
21,829 |
| 3 |
Coupangaboutcoupang.com
Disrupting commerce industry, providing unparalleled customer experience with innovative services and bold initiatives in a startup culture within a global company |
9,347 |
| 4 |
Veeam Softwareveeam.com
Provides data backup, recovery, security, and intelligence solutions ensuring business continuity and data availability across hybrid cloud environments worldwide. |
7,308 |
| 5 |
Tableautableau.com
Provides software tools enabling users to visualize, analyze, and interpret data for better decision-making and actionable insights. |
1,788 |
| 6 |
Outreachoutreach.ai
It provides a comprehensive sales execution platform that enhances efficiency in prospecting, deal management, and forecasting for revenue teams. |
1,579 |
| 7 | 1,249 | |
| 8 |
Highspothighspot.com
It provides a platform for sales teams to enhance performance through content, training, coaching, and analytics for better customer engagement. |
1,039 |
| 9 |
Porch Groupporchgroup.com
A leading platform offering software, insurance, and services to help homebuyers move, maintain, and protect their homes, while building deep industry relationships |
1,015 |
| 10 |
AWS Elementalaws.amazon.com
This company simplifies cloud-based media workflow for content creators, producers, and broadcasters, making it easier to select tools and achieve faster results |
845 |
| 11 |
Payscalepayscale.com
The industry leader in compensation data and technology, providing organizations with multiple streams of fresh salary data and modeling engines for efficient compensation management |
736 |
| 12 |
Qumuloqumulo.com
Simplified management of petabyte-scale unstructured data across edge, core, and cloud, without platform lock-in, for modern enterprises facing data growth challenges |
682 |
| 13 |
Amazon.com, Inc.amazon.com
A Seattle-based company founded by Jeff Bezos, known for e-commerce, cloud computing through AWS, generative AI with Bedrock platform, and Prime Video streaming service |
657 |
| 14 |
fabricfabric.inc
Headless commerce platform enabling rapid launch for brands like GNC and The Honest Company, boosting digital revenue up to 3x |
557 |
| 15 |
Leapfrog Technology, Inc.lftechnology.com
Specializing in developing cutting-edge digital experiences for businesses, we combine startup speed with enterprise quality to drive innovation and success |
552 |
| 16 |
RealNetworksrealnetworks.com
Innovative company utilizing artificial intelligence and machine learning to enhance security and convenience through facial recognition and A2P message categorization technologies |
550 |
| 17 |
Propiojoinpropio.com
The company helps accounting firms grow by handling low-margin tasks, enabling them to focus on more profitable services for clients |
475 |
| 18 |
Concord Technologiesconcord.net
Leading modern Cloud Fax platform with AI technology for data extraction, document workflows, and secure fax management High eNPS |
466 |
| 19 |
Zonar Systemszonar.com
A leader in smart fleet management technologies for transportation fleets, prioritizing safety, employee well-being, diversity, and professional growth |
433 |
| 20 | 381 | |
| 21 |
Snap! Mobilesnapraise.com
Empowering schools, groups, and organizations to easily fundraise through mobile and online donation tools, supporting coaches and educators in developing future leaders |
378 |
| 22 |
Aqueraaquera.com
Aquera automates worker onboarding and access management by integrating HR and IT applications, ensuring security, productivity, and cost-efficiency for organizations worldwide |
361 |
| 23 |
Lunit Cancer Screeninglunit.io
Specializing in AI for cancer screening and treatment, this company develops software solutions to detect early-stage cancer and optimize treatment globally |
340 |
| 24 |
SDF Labsgetdbt.com
The company offers a simplified SQL development tool with local execution, intelligent workflows, and data governance in a compact 60MB Rust-based package Contact for a demo |
320 |
| 25 |
Amperityamperity.com
Amperity helps brands create unified first-party customer data foundations using AI and machine learning, driving business value and personalized customer experiences |
300 |
| 26 |
Seeq Corporationseeq.com
The company develops software and services for industrial process analytics on high volume, velocity, and variety industrial process data streams |
300 |
| 27 | 290 | |
| 28 |
Milliman MedInsightmedinsight.milliman.com
Provider of advanced analytics and insights for healthcare organizations, offering customizable intelligence to optimize operations, enhance care delivery, and drive better outcomes |
288 |
| 29 |
Stacklinestackline.com
A full-funnel connected commerce platform using neural networks to provide market insights, revenue metrics, and autonomous functionality for global brands |
264 |
| 30 |
Common Roomcommonroom.io
Customer Intelligence Platform that captures and unifies buying signals across over 50 channels, providing AI-driven insights to enhance go-to-market strategies |
182 |
| 31 |
AI Automationaskreferral.io
Connects job seekers with employees for referrals and recruiters for interviews through a centralized marketplace, streamlining candidate validation and placement success. |
177 |
| 32 | 176 | |
| 33 |
MoxiWorksmoxiworks.com
Real estate tech platform empowering brokerages and agents with efficient marketing, management solutions for increased productivity and growth |
175 |
| 34 |
Rec Roomrecroom.com
A leading developer of social multiplayer VR/AR games, offering a free platform for creating and playing games with friends worldwide |
173 |
| 35 | 168 | |
| 36 |
Data Engineer Academydataengineeracademy.com
The company provides guidance on utilizing data analytics for individuals, businesses, and entrepreneurs |
166 |
| 37 |
Tapiocatrytapioca.com
Tech-enabled recruiting service specializing in connecting engineering candidates with early-stage startups, optimizing hiring processes to maximize efficiency and success |
157 |
| 38 |
Hyperproofhyperproof.io
Hyperproof is a platform for transforming security assurance and compliance operations, empowering organizations to streamline their compliance work and build trust |
151 |
| 39 |
White Rabbit Groupwhiterabbit.group
A software development agency specializing in building cloud-based applications for clients and partners to bring ideas from development to scale |
148 |
| 40 |
UNIFY Dotsunifydots.com
Global Microsoft Certified Partner specializing in AI, analytics, CRM, ERP solutions Committed to excellence with a focus on service, growth, teamwork, and positive impact |
137 |
| 41 | 118 | |
| 42 | 113 | |
| 43 |
AI Houseai2incubator.com
This company helps form new teams to build AI-first startups, creating innovative companies that have raised millions in funding and created jobs |
99 |
| 44 |
PeoplePathpeoplepath.com
Global provider of corporate alumni management software, specializing in connecting and engaging with past employees for networking and talent acquisition |
73 |
| 45 |
Binadox, Inc.binadox.com
Binadox Insights helps organizations optimize IAAS and SaaS investments, control costs, manage software assets, and ensure compliance, enabling better IT sourcing and procurement decisions |
58 |
| 46 |
joejoe.coffee
A mobile ordering and payment solution for coffee shops, allowing them to regain customers lost to corporate coffee with convenience |
57 |
| 47 |
Meisterplanmeisterplan.com
Cloud software for project portfolio management & capacity planning, optimizing resource utilization & enabling informed decision-making for successful business outcomes |
44 |
| 48 |
Elite Crest Technologieselitecrest.com
A renowned data analytics and software services consulting agency offering innovative solutions to complex challenges for progressive organizations worldwide |
37 |
| 49 |
Bilberrrybilberrry.com
The company designs and develops digital products and online experiences to help clients grow, innovate, and transform by understanding goals and utilizing expertise |
34 |
| 50 |
Graduway from Gravytygravyty.com
A platform for alumni networking, recruitment, mentoring, engagement of volunteers, and donor cultivation on a large scale |
26 |
| 51 |
Glympsecorp.glympse.com
A leading geo-location tracking platform offering solutions for predictive visibility, location intelligence, customer notifications, and communications for both enterprise and small businesses |
21 |
| 52 |
Relevvorelevvo.com
This company helps sales teams prioritize accounts, deliver relevant messaging, and track performance by synthesizing digital signals for increased productivity and account focus |
8 |
| 53 |
DemandHelmdemandhelm.com
The platform helps brands analyze ecommerce and retail media data to identify trends and growth opportunities, transforming organizations into data-driven machines |
7 |
| 54 | 7 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 8, 2026.
More company lists in Seattle
- The largest companies in Seattle 593
- SaaS companies in Seattle 73
- IT Services and IT Consulting companies in Seattle 32
- Hospitals and Health Care companies in Seattle 30
The same list elsewhere in United States
- Software Development companies in the United States 4,507
- Software Development companies in San Francisco 562
- Software Development companies in New York 532
- Software Development companies in Austin 134
- Software Development companies in Boston 131
- Software Development companies in Chicago 89
- Software Development companies in Palo Alto 81
- Software Development companies in Atlanta 77
- Software Development companies in San Jose 65
- Software Development companies in Los Angeles 56
- Software Development companies in Mountain View 54
- Software Development companies in Dallas 50
- Software Development companies in Miami 50
- Software Development companies in Santa Clara 50
- Software Development companies in Houston 49
- Software Development companies in Denver 44
- Software Development companies in San Diego 40
- Software Development companies in Sunnyvale 37
- Software Development companies in Raleigh 25