Scion Underwriting
Scion Underwriting Services is a US-based MGA underwriting specialty casualty insurance in the excess and surplus lines market, offering Primary General Liability and Excess Liability (including Transportation) coverage distributed exclusively through wholesale brokers and reinsurance partners.
- Company typePrivate
- Founded1998
- HeadquartersDallas, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Scion Underwriting does
Scion Underwriting Services is a US-based Managing General Agent (MGA) that underwrites specialty casualty insurance for the excess and surplus (E&S) lines market. Founded in 2017 and headquartered in Dallas, Texas, the firm focuses on a narrow product set consisting of Primary General Liability and Excess Liability coverage (including a dedicated Transportation specialization), and distributes exclusively through wholesale insurance brokers and reinsurance partners rather than through direct or retail channels. The company's go-to-market is defined by an 'unconventional' partner-centric posture: rather than offering standardized policy forms, Scion builds customized insurance programs from the ground up based on each insured's specific risk profile, which positions it as a flexible capacity provider for non-standard and hard-to-place risks. Underwriting authority and program design are supported by a small team (11-50 employees) whose individual underwriters bring 14-30+ years of commercial insurance experience across claims, reinsurance brokerage, and transportation risk. Scion generated over $65 million in gross written premium at the time of its acquisition by Amynta Group from Brit in 2021, and in April 2026 Amynta combined Scion into its Ambridge Group to form Ambridge Specialty Casualty, a unified specialty casualty underwriting division led by Jon Liening. The underlying technology stack is not disclosed beyond the marketing website; the firm's competitive differentiation rests on underwriting talent, broker relationships, and tailored program design rather than proprietary automation or data assets.
Scion Underwriting firmographics
Firmographics- Name
- Scion Underwriting
- Legal name
- Scion Underwriting Services
- Website
- https://scionunderwriting.com
- Company type
- Private
- Founded year
- 1998
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Scion Underwriting Services is a US-based MGA underwriting specialty casualty insurance in the excess and surplus lines market, offering Primary General Liability and Excess Liability (including Transportation) coverage distributed exclusively through wholesale brokers and reinsurance partners.
- Ownership category
- akta.pro rank
Where Scion Underwriting is headquartered
LocationHeadquarters
- HQ city
- Dallas
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
Scion Underwriting business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- MGA Insurance Underwriting: Scion Underwriting operates as a Managing General Agent (MGA) writing specialty casualty insurance in the excess and surplus lines market. The company generates revenue through insurance premiums collected from policyholders, earning commissions and profit-sharing arrangements with its carrier partners. At the time of acquisition by Amynta, Scion wrote over $65 million in premium.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Quote-based specialty casualty insurance pricing |
Go-to-market motion2 records
Distribution channels2 records
Marketing channels3 records
Scion Underwriting product offering
Product offeringCore offering
Scion Underwriting is a Managing General Agent (MGA) that writes specialty casualty insurance in the US excess and surplus (E&S) lines market, offering Primary General Liability and Excess Liability (including Transportation) coverage. The company distributes exclusively through wholesale brokers and reinsurance partners, building flexible insurance programs tailored to each insured's risk profile rather than selling standardized products. As of 2026 the business has been integrated into Ambridge Group (Amynta) as part of the unified Ambridge Specialty Casualty unit.
Product overview
Scion Underwriting Services is a specialty casualty insurance MGA (Managing General Agent) operating in the excess and surplus (E&S) lines market. The company offers a focused portfolio of casualty insurance products including Primary General Liability and Excess Liability (including Transportation) coverage. These products are distributed through wholesale brokers and reinsurance partners, targeting various industries and market segments requiring specialized coverage that standard markets may not provide.
Differentiator
Problem solved
Functional benefit
Products and services
- Excess Liability Insurance Excess liability coverage, including transportation risks, provided to the US excess and surplus lines market through wholesale brokers and reinsurance partners for clients with non-standard or hard-to-place casualty exposures.
- Primary General Liability Insurance Primary general liability coverage offered in the US excess and surplus lines market through longstanding wholesale broker and reinsurance partner relationships for insureds with non-standard or specialty casualty risks.
Companies that use Scion Underwriting
Customer profileSegments1 record
Ideal customer profiles1 record
Scion Underwriting technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature2 records
Scion Underwriting partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered core and major.
- Ambridge GroupcoreAmynta Group acquired Ambridge in 2023 for approximately $400 million. In April 2026, Amynta combined Scion Underwriting Services into Ambridge Group to form Ambridge Specialty Casualty, creating a unified specialty casualty underwriting division. Led by Jon Liening.
- Wholesale BrokerscoreScion Underwriting distributes specialty casualty insurance through longstanding relationships with wholesale brokers and reinsurance partners. The company works with entrepreneurial brokers to find innovative ways of connecting capital with risk.
- Reinsurance PartnersmajorScion maintains strategic relationships with reinsurance partners to support their specialty casualty underwriting operations in the excess and surplus lines market.
Scale indicators4 records
Recent moves6 records
Expansion highlights4 records
Scion Underwriting competitors and assessment
Company assessmentMarket position
Weaknesses5 records
Competitive moat3 records
Customer concentration
Scion Underwriting financial estimates
Financial estimateRevenue estimate
Valuation estimate
Scion Underwriting leadership team
Management profileNumber of profiles
Profiles10 records
Scion Underwriting funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Scion Underwriting M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Scion Underwriting
What does Scion Underwriting do?
Scion Underwriting is a Managing General Agent (MGA) that writes specialty casualty insurance in the US excess and surplus (E&S) lines market, offering Primary General Liability and Excess Liability (including Transportation) coverage. The company distributes exclusively through wholesale brokers and reinsurance partners, building flexible insurance programs tailored to each insured's risk profile rather than selling standardized products. As of 2026 the business has been integrated into Ambridge Group (Amynta) as part of the unified Ambridge Specialty Casualty unit.
Is Scion Underwriting a public or private company?
Scion Underwriting is a private company. It is classified as corporate owned and is currently operating.
When was Scion Underwriting founded?
Scion Underwriting was founded in 1998. It employs 11 to 50 people.
Where is Scion Underwriting based?
Scion Underwriting is headquartered in Dallas, United States, in the North America region.
How does Scion Underwriting make money?
One revenue line is on record: MGA Insurance Underwriting.
Does Scion Underwriting have an API?
No public API is recorded for Scion Underwriting.