Insights

Specialty Focus Target hard-to-place and specialty risks in property, casualty, and transportation segments, leveraging SIU’s expertise as a large family-owned MGA to position bespoke coverage solutions for complex accounts.

Growth Signals Numerous recent underwriter and practice leadership hires across garage, professional lines, marine, and property/casualty indicate active expansion and potential cross-sell opportunities across lines to existing and new insureds.

Mid-Market Reach Revenue scale suggests strong mid-market focus with capacity to write sizeable commercial accounts; pursue opportunities with mid-sized businesses seeking specialized MGA support and self-insured program capabilities.

Industry Partnerships Active involvement in AAMGA, NAPSLO, and regional insurance associations creates a pathway for co-marketing, referral partnerships, and access to a broad network of brokers and insureds seeking surplus and excess coverage.

Tech & Efficiency Existing tech stack including HubSpot Analytics and Microsoft-based infrastructure presents opportunities to implement data-driven prospecting, automated renewal campaigns, and streamlined underwriting collaboration for faster time-to-value.

Similar companies to Southern Insurance Underwriters, Inc.

Southern Insurance Underwriters, Inc. Tech Stack

Southern Insurance Underwriters, Inc. uses 8 technology products and services including gstatic.com, Cloudflare, LogMeIn, and more. Explore Southern Insurance Underwriters, Inc.'s tech stack below.

  • gstatic.com
    Content Delivery Network
  • Cloudflare
    Content Management System
  • LogMeIn
    Help Desk Management
  • Microsoft Office
    Office Suites
  • Priority Hints
    Performance
  • PHP
    Programming Languages
  • GoDaddy
    Web Hosting
  • simplyScroll
    Web Tools And Plugins

Media & News

Southern Insurance Underwriters, Inc.'s Email Address Formats

Southern Insurance Underwriters, Inc. uses at least 1 format(s):
Southern Insurance Underwriters, Inc. Email FormatsExamplePercentage
FLast@siuins.comJDoe@siuins.com
92%
First.Last@siuins.comJohn.Doe@siuins.com
6%
Last@siuins.comDoe@siuins.com
1%
FMiddleLast@siuins.comJMichaelDoe@siuins.com
1%

Frequently Asked Questions

What is Southern Insurance Underwriters, Inc.'s phone number?

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You can contact Southern Insurance Underwriters, Inc.'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 Southern Insurance Underwriters, Inc.'s official website and social media links?

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Southern Insurance Underwriters, Inc.'s official website is siuins.com and has social profiles on LinkedIn.

How much revenue does Southern Insurance Underwriters, Inc. generate?

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As of July 2026, Southern Insurance Underwriters, Inc.'s annual revenue is estimated to be $250M - $500M.

What is Southern Insurance Underwriters, Inc.'s SIC code NAICS code?

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Southern Insurance Underwriters, Inc.'s SIC code is 6411 - Insurance Agents, Brokers, and Service NAICS code is 524 - Insurance Carriers and Related Activities.

How many employees does Southern Insurance Underwriters, Inc. have currently?

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As of July 2026, Southern Insurance Underwriters, Inc. has approximately 130 employees across 2 continents, including North AmericaAsia. Key team members include Chief Executive Officer: W. D.Chief Technology Officer: D. C.Vice President - Marketing: B. J.. Explore Southern Insurance Underwriters, Inc.'s employee directory with LeadIQ.

What industry does Southern Insurance Underwriters, Inc. belong to?

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Southern Insurance Underwriters, Inc. operates in the Insurance industry.

What technology does Southern Insurance Underwriters, Inc. use?

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Southern Insurance Underwriters, Inc.'s tech stack includes gstatic.comCloudflareLogMeInMicrosoft OfficePriority HintsPHPGoDaddysimplyScroll.

What is Southern Insurance Underwriters, Inc.'s email format?

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Southern Insurance Underwriters, Inc.'s email format typically follows the pattern of FLast@siuins.com. Find more Southern Insurance Underwriters, Inc. email formats with LeadIQ.

When was Southern Insurance Underwriters, Inc. founded?

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Southern Insurance Underwriters, Inc. was founded in 1964.
Southern Insurance Underwriters, Inc. logo

Southern Insurance Underwriters, Inc.

InsuranceGeorgia, United States51-200 Employees

Southern Insurance Underwriters, Inc. is a mid-sized, family-owned managing general agency based in Alpharetta, Georgia, established in 1964. It offers a broad range of property, casualty, and transportation coverages and specializes in hard-to-place, specialty, and excess & surplus lines. With an experienced underwriting staff, it can handle risks from straightforward property policies to complex self-insured programs.

It participates in industry groups such as the American Association of Managing General Agents and the National Association of Professional Surplus Lines Offices, and it is active with independent agent and professional associations across Georgia, Alabama, Florida, and South Carolina. In 2022, SIU appointed Whitney Griffith as underwriter for garage insurance.

Section iconCompany Overview

Phone number
Website
siuins.com
SIC Code
6411 - Insurance Agents, Brokers, and Service
NAICS Code
524 - Insurance Carriers and Related Activities
Founded
1964
Employees
51-200

Section iconFunding & Financials

  • $250M - $500M

    Southern Insurance Underwriters, Inc.'s revenue is estimated to be in the range of $250M - $500M

Section iconFunding & Financials

  • $250M - $500M

    Southern Insurance Underwriters, Inc.'s revenue is estimated to be in the range of $250M - $500M

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