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# IT Services Companies in Seattle, WA

The bigger IT services companies headquartered in Seattle, WA, with what they do, their sizes and how to reach their people.

By Enrich.chat Editorial. Updated October 22, 2026.

**Short answer:** Among the IT services companies counted in Seattle, WA, the biggest by headcount range include Amazon, Avanade and Blackstone Eit. They are mostly very small: 73% have 50 or fewer employees.

## Which IT services companies are in Seattle?

Among the companies whose public profile lists IT Services and IT Consulting as their industry and Seattle, WA as their headquarters, the biggest by headcount range include Amazon, Avanade, Blackstone Eit, 2nd Watch and Ekata, A Mastercard. Names link to a company profile where we have one.

| Company | Employees |
| --- | --- |
| [Amazon](https://enrich.chat/company/amazon/) | 10,001+ |
| [Avanade](https://enrich.chat/company/avanade/) | 10,001+ |
| Blackstone Eit | 1,001 to 5,000 |
| 2nd Watch | 201 to 500 |
| Ekata, A Mastercard | 201 to 500 |
| Rythmos | 201 to 500 |
| Agcqgc Solutions | 201 to 500 |
| Indigo Slate | 51 to 200 |
| Teleion | 51 to 200 |
| Paralleldots | 51 to 200 |
| Skykick | 51 to 200 |
| 9series | 51 to 200 |
| Hybrid Mediaworks | 51 to 200 |
| Techvalens | 51 to 200 |
| Skytap | 51 to 200 |
| Metadologie | 51 to 200 |
| Inuix | 51 to 200 |
| Kuelap | 51 to 200 |
| Snapsoft | 51 to 200 |
| South Geeks | 51 to 200 |
| Superformula | 51 to 200 |
| Fiveby Solutions | 51 to 200 |
| W3care | 51 to 200 |
| Nextec Group | 51 to 200 |
| Airbiquity | 51 to 200 |

The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile.

## What do IT services companies in Seattle do?

IT Services and IT Consulting is a broad label. The most common NAICS codes among them are 541511 (32%), 541512 (24%) and 541611 (12%).

**Figure: What IT services companies in Seattle do.** Bars for the share of counted IT services companies with each code: 541511 32%, 541512 24%, 541611 12%, 541613 8%, 541618 8%, 423430 4%, 541330 4%.

*Share of counted IT services companies in Seattle by their NAICS code.*

[NAICS 541511](https://enrich.chat/naics/541511/)[NAICS 541512](https://enrich.chat/naics/541512/)[NAICS 541613](https://enrich.chat/naics/541613/)[NAICS 423430](https://enrich.chat/naics/423430/)

## How big are they?

73% of the IT services companies counted in Seattle have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted.

**Figure: Size of IT services companies in Seattle.** Seven columns for the share of counted IT services companies in Seattle in each employee range: 11 to 50 73%, 51 to 200 24%, 201 to 500 2%, 501 to 1,000 0%, 1,001 to 5,000 0%, 5,001 to 10,000 0%, 10,001+ 1%.

*Share of counted IT services companies in Seattle in each employee range.*

## How old are they?

Most were founded in the 2010s (50%), then the 2000s (23%).

**Figure: When IT services companies in Seattle were founded.** Eight columns for the share of counted IT services companies in Seattle founded in each era: Before 1960 0%, 1960s 0%, 1970s 0%, 1980s 2%, 1990s 9%, 2000s 23%, 2010s 50%, 2020s 16%.

*Share of counted IT services companies in Seattle by the era they were founded in, for the ones that list a founding year.*

## How IT services companies compare

- 66% were founded in 2010 or later, against 54% across other cities on this site.

## How do you reach the people at IT services companies in Seattle?

The people to talk to are usually delivery, IT and sales leaders. Build the list in three prompts to your AI agent.

### 1. Count them (free)

Counting who matches never uses credits.

```text
Use www.enrich.chat to count the IT services companies in Seattle, WA
```

### 2. Find the people (5 credits per person)

Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included.

```text
Use www.enrich.chat to find the delivery, IT and sales leaders at IT services companies in Seattle, WA, with their titles
```

### 3. Get their work emails (10 credits each)

An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown.

```text
Use www.enrich.chat to find the work emails for these people and tell me which ones are verified
```

## More to explore

Other industries in Seattle:

[Software Companies](https://enrich.chat/companies-in/seattle-wa/software-development/)[Construction Companies](https://enrich.chat/companies-in/seattle-wa/construction/)[Real Estate Companies](https://enrich.chat/companies-in/seattle-wa/real-estate/)[Nonprofit Organizations](https://enrich.chat/companies-in/seattle-wa/non-profit-organizations/)[Advertising Agencies](https://enrich.chat/companies-in/seattle-wa/advertising-services/)[Technology and Internet Companies](https://enrich.chat/companies-in/seattle-wa/technology-information-and-internet/)[Consulting Firms](https://enrich.chat/companies-in/seattle-wa/business-consulting-and-services/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/seattle-wa/hospitals-and-health-care/)[Financial Services Companies](https://enrich.chat/companies-in/seattle-wa/financial-services/)[Architecture Firms](https://enrich.chat/companies-in/seattle-wa/architecture-and-planning/)[Law Firms](https://enrich.chat/companies-in/seattle-wa/law-practice/)[Legal Services Firms](https://enrich.chat/companies-in/seattle-wa/legal-services/)[Design Firms](https://enrich.chat/companies-in/seattle-wa/design-services/)[Education Organizations](https://enrich.chat/companies-in/seattle-wa/education-administration-programs/)[Food and Beverage Manufacturers](https://enrich.chat/companies-in/seattle-wa/food-and-beverage-manufacturing/)[Facilities Services Companies](https://enrich.chat/companies-in/seattle-wa/facilities-services/)[Colleges and Universities](https://enrich.chat/companies-in/seattle-wa/higher-education/)[Research Services Firms](https://enrich.chat/companies-in/seattle-wa/research-services/)[All of Seattle](https://enrich.chat/companies-in/seattle-wa/)

IT Services Companies in other cities:

[New York, NY](https://enrich.chat/companies-in/new-york-ny/it-services-and-it-consulting/)[Houston, TX](https://enrich.chat/companies-in/houston-tx/it-services-and-it-consulting/)[Austin, TX](https://enrich.chat/companies-in/austin-tx/it-services-and-it-consulting/)[San Francisco, CA](https://enrich.chat/companies-in/san-francisco-ca/it-services-and-it-consulting/)[Dallas, TX](https://enrich.chat/companies-in/dallas-tx/it-services-and-it-consulting/)[Chicago, IL](https://enrich.chat/companies-in/chicago-il/it-services-and-it-consulting/)[Atlanta, GA](https://enrich.chat/companies-in/atlanta-ga/it-services-and-it-consulting/)[Miami, FL](https://enrich.chat/companies-in/miami-fl/it-services-and-it-consulting/)[Los Angeles, CA](https://enrich.chat/companies-in/los-angeles-ca/it-services-and-it-consulting/)[Washington, DC](https://enrich.chat/companies-in/washington-dc/it-services-and-it-consulting/)

## Frequently asked questions

### Which are the biggest IT services companies in Seattle?

Among those counted, they include Amazon, Avanade, Blackstone Eit, 2nd Watch and Ekata, A Mastercard, ranked by headcount range.

### How big are IT services companies in Seattle?

73% of those counted have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted.

### Which companies count as it services and it consulting?

Companies whose public profile lists IT Services and IT Consulting as their industry and whose headquarters are in Seattle, WA.

## Try this prompt

Find the people at IT services companies in Seattle

```text
Use www.enrich.chat to find the delivery, IT and sales leaders at IT services companies in Seattle, WA, with titles and verified work emails
```

## Related

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- [Construction Companies in Seattle](https://enrich.chat/companies-in/seattle-wa/construction/)
- [Real Estate Companies in Seattle](https://enrich.chat/companies-in/seattle-wa/real-estate/)
- [Nonprofit Organizations in Seattle](https://enrich.chat/companies-in/seattle-wa/non-profit-organizations/)
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- [IT Services Companies in Austin](https://enrich.chat/companies-in/austin-tx/it-services-and-it-consulting/)
- [IT Services Companies in San Francisco](https://enrich.chat/companies-in/san-francisco-ca/it-services-and-it-consulting/)
- [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)
