Insights

Market Focus GNSA specializes in serving small to middle market companies, which represent a significant portion of the U.S. economy. This focus presents opportunities to develop tailored HR and payroll solutions that address the unique needs and growth challenges of mid-sized businesses.

Growth Potential With estimated revenue between 10 to 25 million dollars and steady annual growth since 1997, GNSA demonstrates a track record of success and stability, making it a promising partner for expansion into additional HR services or strategic alliances.

Technology Utilization GNSA employs a robust tech stack including React, HubSpot, and cloud services, indicating a forward-looking approach that can be leveraged to market innovative HR technology solutions, such as employee engagement platforms or advanced benefits administration tools.

Client Service Focus Recent promotions and new hires in client services suggest a commitment to high-quality customer engagement, which indicates opportunities to offer complementary client retention tools or customized support services to enhance client satisfaction.

Competitive Positioning Operating in a competitive landscape with firms like BambooHR and ADP, GNSA’s emphasis on personalized service and regional presence in Portland can be emphasized when targeting similarly mid-market clients seeking a trusted, localized HR partner.

GNSA Tech Stack

GNSA uses 8 technology products and services including Hotjar, HubSpot Content Hub, Cloudflare, and more. Explore GNSA's tech stack below.

  • Hotjar
    Analytics
  • HubSpot Content Hub
    Content Management System
  • Cloudflare
    Content Management System
  • Google Fonts API
    Font Scripts
  • Backbone.js
    Javascript Frameworks
  • React
    Javascript Frameworks
  • HubSpot
    Marketing Automation
  • Yoast SEO
    Search Engines

GNSA's Email Address Formats

GNSA uses at least 1 format(s):
GNSA Email FormatsExamplePercentage
FLast@gnsadmin.comJDoe@gnsadmin.com
50%
FLast@gnsadmin.comJDoe@gnsadmin.com
50%

Frequently Asked Questions

Where is GNSA's headquarters located?

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GNSA's main headquarters is located at 6915 South Macadam Avenue #350 Portland, Oregon United States. The company has employees across 5 continents, including AsiaNorth AmericaEurope.

What is GNSA's phone number?

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You can contact GNSA's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is GNSA's official website and social media links?

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GNSA's official website is gnsadmin.com and has social profiles on LinkedIn.

What is GNSA's SIC code NAICS code?

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GNSA's SIC code is 8999 - Services, Not Elsewhere Classified NAICS code is 541612 - Human Resources Consulting Services.

How many employees does GNSA have currently?

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As of February 2026, GNSA has approximately 55 employees across 5 continents, including AsiaNorth AmericaEurope. Key team members include Ceo: S. H.President: K. F.Owner: R. Y.. Explore GNSA's employee directory with LeadIQ.

What industry does GNSA belong to?

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GNSA operates in the Human Resources Services industry.

What technology does GNSA use?

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GNSA's tech stack includes HotjarHubSpot Content HubCloudflareGoogle Fonts APIBackbone.jsReactHubSpotYoast SEO.

What is GNSA's email format?

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GNSA's email format typically follows the pattern of FLast@gnsadmin.com. Find more GNSA email formats with LeadIQ.

When was GNSA founded?

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GNSA was founded in 1997.

GNSA

Human Resources ServicesOregon, United States51-200 Employees

GNSA is a Payroll, Human Resource, and Benefits Administration firm specializing in serving the small to middle market. Started in 1997, GNSA has steadily grown from year-to year as more and more companies have identified GNSA as the premier outsourced service provider.  At GNSA we believe that the strength of the United States economy resides in the small to mid-market, therefore GNSA has focused its efforts towards better serving this segment.

Great Northern Staff Administrators is a professional outsource service provider committed to proactively assisting our clients in becoming more successful.  Our values and integrity drive us to provide the highest level of customer service and to continuously improve our services to fit our client’s needs.

GNSA is headquartered in Portland, Oregon.

Section iconCompany Overview

Headquarters
6915 South Macadam Avenue #350 Portland, Oregon United States
Phone number
SIC Code
8999 - Services, Not Elsewhere Classified
NAICS Code
541612 - Human Resources Consulting Services
Founded
1997
Employees
51-200

Section iconFunding & Financials

  • $10M$25M

    GNSA's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    GNSA's revenue is estimated to be in the range of $10M$25M

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