Summit Reinsurance Services

What Summit Reinsurance Services does

Summit Reinsurance Services, Inc. is a privately-held managing general underwriter (MGU) and reinsurance advisor headquartered at 6920 Pointe Inverness Way, Suite 140, Fort Wayne, Indiana. Founded in 1999 and acquired by Companion Life Insurance Company in 2009, Summit Re underwrites on behalf of Companion Life, which holds an AM Best A+ (Superior) rating and is licensed in all 50 states plus the District of Columbia. The company serves health insurers, managed care plans, healthcare providers, captive insurers, and self-funded employers across the United States, combining reinsurance underwriting with consultative risk advisory services.

The company's core product suite comprises HMO/Medical Excess reinsurance, Provider Excess reinsurance, Employer Stop Loss (ESL), and managed care services delivered through two proprietary platforms. Summit ReSources provides medical management consulting — including case management, utilization review, predictive modeling, and population health support — while ReAssureRx is a specialty pharmacy program addressing cost containment for high-cost drugs and gene/cell therapies (treatments priced from $194K to $2.4M per course). Specialized offerings include EvalAssist (NICU assessment) and CareAssist (neonatal care management), with documented outcomes such as a 32% length-of-stay reduction and $163,693 in savings on a single NICU case.

Summit Re earns revenue through reinsurance premiums structured as recurring arrangements across ESL and managed care reinsurance markets, supplemented by managed services and professional services fees for medical management, specialty pharmacy, and consulting engagements. Go-to-market is primarily direct enterprise sales to health insurers and managed care plans, with broker/intermediary distribution reaching self-funded employers and smaller plans; content marketing through the Summit Perspectives blog and partner webinars (e.g., Virta Health) supports thought leadership in cell/gene therapy and metabolic health. In December 2025, the company announced a realignment with sister Companion Life division iiSi, transferring its employer stop loss book to iiSi and refocusing Summit Re exclusively on managed care reinsurance effective January 1, 2026.

Name

Summit Reinsurance Services

Legal name

Summit Reinsurance Services, Inc.

Website

https://summit-re.com

Company type

Private

Founded year

1999

Operating status

Operating

Headcount range

11–50 employees

Short description

Summit Reinsurance Services is a Fort Wayne-based managing general underwriter and reinsurance advisor that serves U.S. health insurers, managed care plans, providers, captives, and self-funded employers with HMO/Medical Excess, Provider Excess, Employer Stop Loss, and medical management products.

Ownership category

akta.pro rank

Product category

Healthcare Reinsurance Underwriting

NAICS

Reinsurance Carriers (524130), Direct Life, Health, and Medical Insurance Carriers (52411)

SIC

Hospital & Medical Service Plans (6324), Services-Management Services (8741)

akta.pro primary industry

Stop-Loss / Medical Excess-of-Loss Reinsurance (FSAIANAI)

akta.pro secondary industries

Health Reinsurance (Medical Expense) (FSAIANAB), Reinsurance Solutions for Group Benefits (Group Life, Group Disability, Supplemental Health) (FSAOAAAH), Stop-Loss & Reinsurance Administration (Captive/Level-Funded Support) (HLAEALAB)

Keywords

• Reinsurance underwriting
• Managed care services
• Employer stop loss
• Medical management
• Specialty pharmacy management

Headquarters

HQ city

Fort Wayne

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Reinsurance Premiums: As an MGU, Summit Re earns revenue through reinsurance premiums by underwriting risk on behalf of parent company Companion Life Insurance Company. The company serves both employer stop loss (ESL) and managed care reinsurance markets.
2. Managed Care Reinsurance: Focuses on providing reinsurance services to health insurers, managed care plans, providers, captives, and self-funded employers for catastrophic healthcare risk management.
3. Medical Management Consulting: Summit ReSources provides consultative services including case management, managed care programs, and program evaluation for health plans, generating fees for assessment and ongoing advisory services.
4. Specialty Pharmacy Management: ReAssureRx program provides cost-effective sourcing of specialty drugs, prior authorization services, and pharmacy claims review, generating revenue through vendor partnerships and administrative fees.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Summit Reinsurance Services is a managing general underwriter (MGU) and reinsurance advisor that underwrites healthcare risk on behalf of parent company Companion Life Insurance Company. It sells HMO/Medical Excess, Provider Excess, and Employer Stop Loss reinsurance products, and provides consultative managed care and medical management services through its Summit ReSources program and the ReAssureRx specialty pharmacy program to health insurers, managed care plans, providers, captives, and self-funded employers across the United States.

Product overview

Summit Reinsurance Services operates as a managing general underwriter (MGU) and reinsurance advisor offering a portfolio of risk management products and services. Its core product suite includes: Employer Stop Loss (ESL) for self-funded employers; HMO/Medical Excess and Provider Excess reinsurance products for health insurers and managed care plans; and Summit ReSources, its flagship medical management program providing consultative case management, utilization review, and managed care assessments. The ReAssureRx specialty pharmacy program provides prior authorization, cost negotiation, and claims review for high-cost gene and cell therapies. The company works with health insurers, managed care plans, providers, captives, and self-funded employers throughout the U.S., positioning these products as tools within a strategic risk management framework rather than standalone solutions.

Differentiator

Problem solved

Functional benefit

Brands

• Summit ReSources: The company's medical management program providing managed care services, cost management, and specialty pharmacy solutions.
• ReAssureRx

Products and services

• Summit ReSources Medical Management Program Summit Re's flagship medical management program offering consultative case management, managed care programs, predictive modeling, utilization management, and population health management support for health plans and managed care organizations.
• ReAssureRx Specialty Pharmacy Program Specialty pharmacy program that addresses cost-effective sourcing of specialty drugs and therapies, prior authorization services, specialty drug carveout, high-cost pharmacy negotiation, and pharmacy claims review, targeting gene and cell therapy cost containment.
• Employer Stop Loss (ESL) Stop loss insurance product providing self-funded employers and plan sponsors protection against catastrophic claims, offered within Summit Re's risk management tool box and transferred to sister division iiSi in the December 2025 realignment.
• HMO/Medical Excess Reinsurance Reinsurance product providing health insurers and managed care plans coverage for excess losses beyond specified attachment points in HMO and medical stop loss arrangements.
• Provider Excess Reinsurance Reinsurance product providing provider organizations coverage for excess losses beyond specified attachment points, supporting provider-based risk arrangements.

Quantifiable outcome

• Clients realized more than $30 million in savings for 2018 through Summit ReSources programs
• +3 more outcomes

Named customers5 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Eleven partnerships are on record, tiered core, preferred vendor, strategic and minor.

• iiSi (Intermediary Insurance Services)coreStrategic or Co-development Partner · 17 December 2025iiSi is a division of Companion Life Insurance Company specializing in employer stop loss. As part of the December 2025 realignment, Summit Re transferred its employer stop loss business to iiSi to focus exclusively on managed care reinsurance. Both companies share core values and will continue to serve their unique target markets while joining forces on stop loss resources.
• Renalogicpreferred vendorTechnology or Integration · 3 December 2020Strategic collaboration with Renalogic, a solution provider offering risk management services for kidney disease. Renalogic uses a data-driven approach focused on predicting and preventing chronic conditions that lead to dialysis.
• AscellaHealthstrategicStrategic or Co-development Partner · 18 August 2020Strategic collaboration with AscellaHealth, a pharmacy benefit manager offering innovative specialty drug programs developed as specialized solutions to the biggest drivers of pharmacy claims.
• RxResultsstrategicStrategic or Co-development Partner · 27 September 2019Strategic collaboration with RxResults, a pharmacy risk manager. Through this collaboration, Summit Re clients have access to proprietary informatics, clinical expertise, and business processes to help formulate actionable insights and implement evidence-based strategic initiatives in order to manage pharmacy and specialty pharmacy spend. RxResults has a strategic relationship with the University of Arkansas for Medical Sciences' College of Pharmacy and the Evidence-Based Prescription Drug Program (EBRx).
• Deerwalk, Inc.strategicTechnology or Integration · 20 August 2019Strategic collaboration with Deerwalk, an innovative population health management, data management, and healthcare analytics software company. Summit Re clients gain access to population health management suite, efficient and accurate data collection, intake, enrichment, and reporting.
• Virta Healthpreferred vendorStrategic or Co-development PartnerVirta Health is identified as one of Summit Re's preferred vendor partners for metabolic health. They offer diabetes reversal and metabolic health improvement programs and resources.
• Emerging Therapy Solutions (ETS)minorStrategic or Co-development PartnerETS is an industry leader with a predictive intelligence platform, network and medical services firm for emerging gene and cell therapies. Referenced as a shared opportunity that positively impacts clients' business.
• OptumHealth (formerly United Resource Networks)coreChannel Partner/ Reseller/ DistributorOptumHealth provides transplant network services. Summit Re negotiated Platinum Rewards program with effective 27% discount off standard fees. The program provides access to Transplant Resource Services' Centers of Excellence and Transplant Access Program.
• The Assist GroupstrategicImplementation/ SI/ Consulting PartnerThe Assist Group specializes in catastrophic claims management and high-risk premature infants. Provides CareAssist (neonatal care management) and ClinAssist (forensic audit and claims resolution services). Achieved 32% reduction in length of stay and $163,693 savings on single case.
• National Care Network (NCN)minorImplementation/ SI/ Consulting PartnerNCN provides medical cost containment services including fee negotiations, supplemental network repricing, and hospital detail analysis using Medicare-based pricing methodology. NCN developed Data iSight product.
• University of Arkansas for Medical Sciences (UAMS)strategicTechnology or IntegrationUAMS College of Pharmacy's Evidence-Based Prescription Drug Program (EBRx) provides clinical expertise for RxResults' pharmacy risk management services used by Summit Re clients.

Scale indicators3 records

Recent moves7 records

Expansion highlights4 records

Broad incumbents

• Swiss Re: Global reinsurer with a substantial health and medical reinsurance book, including provider excess and managed care solutions. Overlaps with Summit Re on managed care reinsurance but offers a much wider product portfolio and balance sheet.
• RGA Reinsurance Company: Global reinsurer offering life and health reinsurance including group benefits reinsurance, longevity, and financial reinsurance. Larger, more diversified player with overlapping capabilities in group health/medical reinsurance but not a niche stop-loss specialist.
• Munich Re (Munich Reinsurance America): One of the world's largest reinsurers with a dedicated health reinsurance portfolio including stop-loss, HMO excess, and provider excess. Competes with Summit Re for managed care reinsurance mandates but operates at vastly larger scale and broader line-of-business breadth.
• Hannover Re: Large global reinsurer providing treaty and facultative reinsurance across life, health and P&C lines, including US health and group reinsurance. Competitor to Summit Re in managed care reinsurance at a far larger scale and diversification profile.

Others

• Companion Life Insurance Company: Parent company of Summit Re and provider of stop-loss, group life, disability and supplemental health coverage through affiliated carriers (including iiSi). Distinct corporate entity but the strategic and capital partner underwriting Summit's assumed reinsurance premiums.

Direct peers

• Tokio Marine HCC Stop-Loss Division: Major U.S. stop-loss MGU/underwriter offering employer stop loss and medical excess reinsurance products to self-funded employers, health plans and brokers. Directly competes with Summit Re for stop-loss/managed care reinsurance mandates via a similar MGU distribution model.
• Sentry Insurance Stop-Loss: Sentry's stop-loss operation writes employer stop-loss and managed care reinsurance for self-funded employers and plan sponsors, distributed through brokers and consultants. Comparable to Summit Re in core product (ESL) and channel (broker-driven).
• Voya Financial Employee Benefits / Stop-Loss: Operates an employer stop-loss and group benefits insurance business with reinsurance-style underwriting and distribution to brokers and plans. Overlaps with Summit Re on stop-loss underwriting, medical management services, and broker-driven go-to-market.
• Sun Life Financial (U.S. Group Benefits / Stop-Loss): Provides U.S. employer stop-loss coverage and group benefits reinsurance, including specialty risk programs targeted at self-funded plans. Comparable to Summit Re in product mix (ESL, HMO/medical excess) and customer base (self-funded employers, brokers, health plans).
• Symetra Financial Stop-Loss: Symetra's stop-loss division underwrites employer stop-loss and provider excess coverage for self-funded plans and provider groups, marketed through brokers. Closely mirrors Summit Re's ESL / Provider Excess product set and MGU-style intermediary distribution.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

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 Summit Reinsurance Services