Accelerant

Overview

Company: Accelerant operates the Accelerant Risk Exchange, a data-driven marketplace that connects specialty insurance underwriters (Members) with Risk Capital Partners (insurers, reinsurers, and institutional investors).
Core idea: reduce information asymmetries and inefficiencies in the traditional insurance value chain by ingesting, harmonizing, and delivering high-fidelity data and analytics to platform participants.
Value proposition: for Members, the platform supplies underwriting capacity, analytics, distribution management, and regulatory/operational support; for Risk Capital Partners, it offers a validated, diversified premium portfolio with greater transparency and pricing efficiency.

Market framework: a multi-sided risk exchange that pairs underwriters (MGAs/Members) with capital providers (Risk Capital Partners), including Flywheel Re (a reinsurance sidecar) and other insurers, reinsurers, and institutional investors.
Data and technology: proprietary ingestion consolidates data from disparate policy systems and third-party sources into a single dataset with 58,000+ unique attributes and 134 million rows (as of 12/31/2025). Data is validated, transformed, and governed to produce underwriting insights for Members and Risk Capital Partners.
Engineering and AI: cloud-native platform on AWS with a microservice architecture; a team of over 195 engineers, data scientists, product managers, and designers (34% of Accelerant’s workforce as of 12/31/2025) and ongoing investments in data and AI capabilities, including AI tools for underwriting and portfolio management.
Onboarding and service model: Members typically onboard in roughly 14 weeks (sometimes as fast as 2 weeks) with dedicated relationship managers and a suite of analytics and regulatory support; governance protocols prevent direct competition with Members.

Members: 280 on the platform (including Mission Underwriters and Owned Members).
Risk Capital Partners: 95 insurers, reinsurers, and institutional participants.
Geographic footprint: Members in 22 countries; regional mix: 39% Europe (including UK), 52% U.S., 9% Canada.
MGA operations and ownership:
- Accelerant holds equity in 46 Members overall; 15 of these are Owned Members (minority stake in most, with a path to majority via options).
- 2025 Exchange Written Premium from the 46 equity-held Members: $1.21 billion, of which Owned Members contributed $440.1 million. Owned Members accounted for 29% of total Exchange Written Premium in 2025.
- Mission Underwriters: provide start-up financing, underwriting capacity, and turnkey operational support for new MGAs.
Risk capital participation:
- 18 Risk Exchange Insurers on the platform; 77 third-party reinsurers or institutional investors (Flywheel Re participants) contributing capital.
- Flywheel Re provides multi-year backing to support diversification and stability.
- The largest single reinsurer relationship represented roughly 14% of Exchange Written Premium in 2025.
Product and geography breadth:
- 280 Members write over 600 specialty insurance products across 22 countries.
- The platform’s data and analytics enable diversification and portfolio monitoring across a large product set.

Revenue: $913 million for the year ended 12/31/2025; $603 million in 2024; $344 million in 2023.
Net income (loss): $(1.35) billion in 2025 (includes a $1.38 billion non-cash profits interest distribution expense tied to the IPO-era profits interest awards settlement); $23 million net income in 2024; $(64) million net loss in 2023.
Adjusted EBITDA: $282 million in 2025; $113 million in 2024; $36 million in 2023.
Exchange Written Premium: $4.19 billion in 2025, up 35% from 2024. The company reports a 187% CAGR in Exchange Written Premium since inception and expects growth to moderate as the business scales.
Growth and retention metrics:
- Net Revenue Retention (NRR) as of 12/31/2025: 126%.
- Independent Net Promoter Score (NPS) from Members: 83 (out of 100).
- Member agreements emphasize long-term capacity commitments (five-year capacity commitments with rolling renewals, exclusivity on product lines, and ROFR on new products).
Data and team scale:
- Data set: 58,000+ attributes and 134 million rows as of 12/31/2025, supplemented by third-party data.
- Team: over 195 engineers, data scientists, product managers, and designers (34% of the workforce as of 12/31/2025).

Platform economics and diversification:
- The Risk Exchange is designed to maximize diversification and portfolio predictability, focusing on low-volatility, low-severity SME lines and expanding into additional lines, captives, larger market segments, and cross-border business as it scales.
Geography and expansion:
- Growth priorities include expanding product lines, adding new Members, extending geographic reach (Australia and Canada as immediate priorities), and deepening relationships with Risk Capital Partners to sustain capital efficiency.
Data, governance, and regulatory framework:
- The platform ingests and harmonizes data to deliver underwriting intelligence. Governance, risk management, and ORSA processes are embedded across Ark., Delaware, Puerto Rico, Belgium, UK, and EU jurisdictions, with ongoing regulatory alignment (Solvency II, IDD, GDPR/UK GDPR, NISD2/DORA, etc.).
People and culture:
- As of 12/31/2025, 574 Accelerant employees in Exchange Services, Underwriting, and Corporate functions, plus 288 Mission employees. The company operates a remote-first model with an emphasis on transparency and a member-centric approach.

Operates the Accelerant Risk Exchange, a data-driven marketplace linking 280 MGAs/Members with 95 Risk Capital Partners (including Flywheel Re) across 22 countries.
Combines a comprehensive data and analytics platform (58k attributes, 134 million rows) with dedicated member services, portfolio management, and capital deployment to source, monitor, and optimize a diversified portfolio of specialty insurance risk.
Generates revenue across three segments (Exchange Services, MGA Operations, Underwriting) and manages growing premium volume (Exchange Written Premium of $4.19B in 2025) and related profitability metrics (2025 revenue $913M, Adjusted EBITDA $282M, with a 2025 net loss driven by a one-off non-cash profits distribution expense).