Insights

Expansion & Acquisitions InterWest has a track record of aggressive growth through acquisitions and new office openings, expanding across California and into Reno, NV. This suggests a proactive approach to market share growth and potential cross-sell opportunities to newly integrated client bases across multiple states.

Diversified Portfolio With capabilities across property and casualty, workers’ compensation, employee benefits, personal insurance, and surety products, InterWest serves as a comprehensive broker. This positions you to upsell or bundle coverage across lines for existing clients and pursue multi-policy engagements.

Strong Regional Presence Predominantly California-focused with licensed capability nationwide, InterWest has established regional density in Northern California and the Bay Area. This presents opportunities to deepen relationships with mid-market and large commercial clients seeking local expertise plus national reach.

Customer & Community Focus Awards and recognitions for best places to work and youth enrichment reflect a strong employer brand and community involvement. Leverage this to engage with clients who prioritize ESG, employee well-being, and local partnerships in their procurement and risk management.

Digital & Security Readiness The tech stack includes web technologies and security-oriented configurations (HSTS, X-Content-Type-Options) alongside modern UI components. This indicates operational maturity and potential to position InterWest for client security compliance work and technology-driven risk solutions.

InterWest Insurance Services Tech Stack

InterWest Insurance Services uses 8 technology products and services including oEmbed, Module Federation, Element UI, and more. Explore InterWest Insurance Services's tech stack below.

  • oEmbed
    Dev Tools
  • Module Federation
    Development
  • Element UI
    Javascript Frameworks
  • Vue.js
    Javascript Frameworks
  • Slider Revolution
    Miscellaneous
  • iOS
    Programming Languages
  • X-XSS-Protection
    Security
  • X-Content-Type-Options
    Web & Portal Technology

Media & News

InterWest Insurance Services's Email Address Formats

InterWest Insurance Services uses at least 1 format(s):
InterWest Insurance Services Email FormatsExamplePercentage
FLast@iwins.comJDoe@iwins.com
90%
Last@iwins.comDoe@iwins.com
6%
FirstLast@iwins.comJohnDoe@iwins.com
2%
First.Last@iwins.comJohn.Doe@iwins.com
2%

Frequently Asked Questions

What is InterWest Insurance Services's phone number?

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You can contact InterWest Insurance Services'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 InterWest Insurance Services's official website and social media links?

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InterWest Insurance Services's official website is iwins.com and has social profiles on LinkedIn.

How much revenue does InterWest Insurance Services generate?

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As of July 2026, InterWest Insurance Services's annual revenue is estimated to be $1B - $10B.

What is InterWest Insurance Services's NAICS code?

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InterWest Insurance Services's NAICS code is 524 - Insurance Carriers and Related Activities.

How many employees does InterWest Insurance Services have currently?

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As of July 2026, InterWest Insurance Services has approximately 372 employees across 2 continents, including North AmericaEurope. Key team members include President: D. T.President: T. H.Co-Founder, Castnet Partners, Llc: J. D.. Explore InterWest Insurance Services's employee directory with LeadIQ.

What industry does InterWest Insurance Services belong to?

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InterWest Insurance Services operates in the Insurance industry.

What technology does InterWest Insurance Services use?

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InterWest Insurance Services's tech stack includes oEmbedModule FederationElement UIVue.jsSlider RevolutioniOSX-XSS-ProtectionX-Content-Type-Options.

What is InterWest Insurance Services's email format?

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InterWest Insurance Services's email format typically follows the pattern of FLast@iwins.com. Find more InterWest Insurance Services email formats with LeadIQ.

When was InterWest Insurance Services founded?

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InterWest Insurance Services was founded in 1992.
InterWest Insurance Services logo

InterWest Insurance Services

InsuranceCalifornia, United States201-500 Employees

InterWest Insurance Services is a mid-sized insurance broker and consultant based in Sacramento, California. Founded in 1992 through the merger of three Northern California firms, the company provides expertise across property and casualty, workers’ compensation, employee benefits, personal insurance, and surety products. Although its core operations are in California, the firm is licensed to write business in all 50 states and serves clients nationwide, supported by reinvestment in staff, diversified services, and technology. It operates within the insurance industry as a brokerage and consulting partner for businesses and individuals.

In 2025, InterWest announced acquisitions of Armstrongprofessional and Armstrong & Associates Insurance Services, signaling continued expansion of its footprint. The company has previously grown by expanding into Reno, Nevada, and by extending its regional reach into Central California and the San Francisco Bay Area.

Section iconCompany Overview

Phone number
Website
iwins.com
NAICS Code
524 - Insurance Carriers and Related Activities
Founded
1992
Employees
201-500

Section iconFunding & Financials

  • $1B - $10B

    InterWest Insurance Services's revenue is estimated to be in the range of $1B - $10B

Section iconFunding & Financials

  • $1B - $10B

    InterWest Insurance Services's revenue is estimated to be in the range of $1B - $10B

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