Alliant Specialty Insurance Services, Inc.

What Alliant Specialty Insurance Services, Inc. does

Alliant Specialty Insurance Services, Inc. is the specialty insurance brokerage division of Alliant Insurance Services, Inc., a privately-held, employee-owned insurance broker founded in 1926 and headquartered in Newport Beach, California. The firm operates through 16 dedicated industry verticals — Agribusiness, Aviation, Construction, Cyber, Energy & Marine, Financial Institutions, Forest Products, Government Contracting, Healthcare, Law Firms, Life Sciences, Management & Professional, Mergers & Acquisitions, Power, Public Entity, Real Estate & Hospitality, and Transportation — each run by subject matter experts. Supporting these verticals are cross-cutting Risk Solutions (Captive Insurance, Claims, Environmental, Property & Casualty, Safety & Loss Control, Structured Settlements, Surety, Trade Credit) and a full Employee Benefits service line including Benefits Strategy, Funding Solutions, Pharmacy, Global Benefits, Alliant Human Capital Consulting, Alliant Leave Advantage, HR Technology, and Member Support.

The company employs 3,700+ industry professionals and places more than $14 billion in premium in the marketplace annually, ranking as the #5 global insurance broker. Alliant operates a flat management structure with a one P&L culture, eliminating profit centers and geographic barriers so that specialized talent is shared freely across the platform regardless of client size or location. The firm is recognized for stability and professionalism with a 100-year history of excellence, and serves enterprise and mid-market clients across the United States.

Revenue is generated primarily through commissions from insurance carriers for placing coverage, supplemented by fees from risk advisory, employee benefits consulting, captive insurance, claims management, and structured settlement services. Pricing is quote-based and not publicly disclosed. The company maintains an active agency acquisition program to fold in additional specialty books of business, and emphasizes equity ownership for employees as a core talent attraction and retention mechanism.

Name

Alliant Specialty Insurance Services, Inc.

Legal name

Alliant Insurance Services, Inc.

Website

https://alliantspecialty.com

Company type

Private

Founded year

1926

Operating status

Operating

Headcount range

1–10 employees

Short description

Alliant Specialty Insurance Services is a specialty insurance brokerage operating 16 industry verticals with 3,700+ professionals placing over $14 billion in annual premium, ranking as the #5 global insurance broker and serving enterprise and mid-market clients across the United States.

Ownership category

akta.pro rank

Product category

Specialty Insurance Brokerage

NAICS

Insurance Agencies and Brokerages (52421), Agencies, Brokerages, and Other Insurance Related Activities (5242)

SIC

Insurance Agents, Brokers & Service (6411)

akta.pro primary industry

Specialty Insurance Brokerage (Marine, Aviation, Cyber, Professional Lines) (FSAEADAJ)

Keywords

• Specialty insurance brokerage
• Risk management advisory
• Property casualty insurance
• Employee benefits consulting
• Commercial insurance placement

Headquarters

HQ city

Newport Beach

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Insurance Brokerage Commissions: As an insurance broker, Alliant earns commissions from insurance carriers for placing insurance policies on behalf of clients. The company places over $14 billion in premium in the marketplace, representing their total premium volume under management.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

Alliant Specialty Insurance Services, Inc. is a specialty insurance brokerage firm that places commercial property & casualty coverage and provides risk advisory, claims advocacy, and employee benefits consulting to business clients across the United States. Its offerings are organized into 16 industry verticals and supported by cross-cutting Risk Solutions and Employee Benefits service lines, with more than 3,700 industry professionals placing over $14 billion in premium annually.

Product overview

Alliant Specialty Insurance Services is a specialty insurance brokerage firm operating as a unified platform with 16 dedicated industry verticals and multiple risk solutions and employee benefits service lines. The company places over $14 billion in premium through more than 3,700 industry professionals. Its core offerings include industry-specific insurance solutions across Agribusiness, Aviation, Construction, Cyber, Energy & Marine, Financial Institutions, Forest Products, Government Contracting, Healthcare, Law Firms, Life Sciences, Management & Professional, Mergers & Acquisitions, Power, Public Entity, Real Estate & Hospitality, and Transportation. Supporting these industry verticals are cross-cutting Risk Solutions (Captive Insurance, Claims, Customized Solutions, Environmental, Property & Casualty, Safety & Loss Control, Structured Settlements, Surety, and Trade Credit) and Employee Benefits services (Absence/Disability/Life, Analytics, Benefits Strategy, Clinical Services, Compliance, Customized Solutions, Funding Solutions, Global Benefits, Health & Productivity, Pharmacy, Voluntary Benefits, plus specialized offerings including Alliant Human Capital Consulting, Alliant Leave Advantage, HR Technology, and Member Support). The firm emphasizes a client-first service model with flat management structure enabling agile, hyper-personalized risk advisory.

Differentiator

Problem solved

Functional benefit

Products and services

• Agribusiness Insurance Solutions
• Aviation Insurance Solutions
• Construction Insurance Solutions
• Cyber Risk Insurance Solutions
• Energy & Marine Insurance Solutions
• Financial Institutions Insurance Solutions
• Forest Products Insurance Solutions
• Government Contracting Insurance Solutions
• Healthcare Risk Management Solutions
• Law Firm Professional Liability Solutions
• Life Sciences Insurance Solutions
• Management & Professional Liability Solutions
• Mergers & Acquisitions Insurance Solutions
• Power Insurance Solutions
• Public Entity, Infrastructure & Pooling Solutions

Named customers3 records

Segments16 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

One partnership is on record.

• Insurance CarrierscoreOthersAlliant works with carrier markets as partners to place insurance coverage for clients. As an insurance broker, Alliant represents these carrier partners to provide customized insurance solutions across their 16 industry verticals.

Scale indicators4 records

Recent moves4 records

Expansion highlights4 records

Direct peers

• Lockton: Largest privately held insurance broker globally. Highly comparable to Alliant as a specialty-focused, privately held, partner-led firm with deep industry verticals.
• Hub International: PE-backed North American insurance broker with a verticalized specialty and middle-market franchise. Closely comparable to Alliant's structure and acquisition strategy.
• USI Insurance Services: Privately held, PE-backed specialty insurance broker with strong middle-market and employee benefits presence. Directly comparable in vertical specialization and acquisition-led growth.
• AssuredPartners: National middle-market insurance broker with diversified specialty practices. Comparable to Alliant on roll-up-driven expansion and mid-market P&C focus.
• Brown & Riding Insurance Services: Privately held specialty wholesale broker with deep expertise in complex and hard-to-place risks. Comparable to Alliant's specialty expertise in Construction, Energy, and excess & surplus.
• Arthur J. Gallagher & Co. Public specialty insurance broker with strong middle-market and niche-vertical focus. Closest pure-play comparable to Alliant's specialty, middle-market, and benefits consulting strategy.

Broad incumbents

• Aon: Global risk, reinsurance, and benefits brokerage (post-NFP combination). Direct competitor to Alliant in P&C specialty and benefits consulting, with much broader global reach.
• Willis Towers Watson: Global advisory, brokerage, and solutions firm competing in specialty P&C, reinsurance, and benefits. Comparable to Alliant on specialty lines but with stronger international platform.
• Marsh McLennan: World's largest insurance broker and risk advisor. Overlaps with Alliant across most specialty lines and global enterprise accounts, but with significantly larger scale and global footprint.

Regional players

• Conner Strong & Buckelew: Mid-Atlantic and East Coast-focused insurance and risk management broker. Comparable in specialty P&C and benefits offering but primarily competes in a different geographic territory than Alliant's national platform.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/alliant-specialty-insurance-services-inc.

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Alliant Specialty Insurance Services, Inc.