About AT1

Insurance infrastructure, designed and operated end-to-end

Insurance infrastructure, designed and operated end-to-end

AT1 builds and operates institutional insurance platforms — integrating actuarial systems, capital structuring, asset-liability management, and balance-sheet operations from launch through steady-state.

AT1 builds and operates institutional insurance platforms — integrating actuarial systems, capital structuring, asset-liability management, and balance-sheet operations from launch through steady-state.

Our Mission

Bring transparency, solvency intelligence, and capital efficiency to global insurance markets through deterministic, programmable actuarial systems

Our Mission

Bring transparency, solvency intelligence, and capital efficiency to global insurance markets through deterministic, programmable actuarial systems

Our Mission

Bring transparency, solvency intelligence, and capital efficiency to global insurance markets through deterministic, programmable actuarial systems

Our Vision

Build the foudnational compute layer behind the next generation of digital insurers, asset managers, and balance-sheet platforms.

Our Vision

Build the foudnational compute layer behind the next generation of digital insurers, asset managers, and balance-sheet platforms.

Our Vision

Build the foudnational compute layer behind the next generation of digital insurers, asset managers, and balance-sheet platforms.

Infrastructure for Asset-Manager-Backed Insurance Platforms

Infrastructure for Asset-Manager-Backed Insurance Platforms

Infrastructure for Asset-Manager-Backed Insurance Platforms

Insurance has become a capital-markets business.

Asset managers and institutional investors increasingly rely on insurance and reinsurance platforms to access permanent capital and long-duration liabilities — but the underlying actuarial, capital, and ALM infrastructure has not kept pace.

AT1 was built to provide the real-time actuarial, capital, and balance-sheet infrastructure required to operate modern insurance platforms with institutional discipline from day one.

Built by Insurance Practitioners

Iysam Atwan
Iysam Atwan
Founder & CEO, AT1
Actuary and former management consultant with 15+ years of experience across life and P&C insurance, spanning ALM, capital frameworks, actuarial modeling, and strategic diligence. Led and supported reinsurance and run-off transactions, built reporting and ALM infrastructure, and advised insurers and regulators on risk-based capital methodologies.

Our Commitment

Our Commitment

Our Commitment

Deterministic Compute

Every liability, reserve, and capital number is reproducible, auditable, and traceable back to assumptions and models.

Deterministic Compute

Every liability, reserve, and capital number is reproducible, auditable, and traceable back to assumptions and models.

Deterministic Compute

Every liability, reserve, and capital number is reproducible, auditable, and traceable back to assumptions and models.

Enterprise Integrations

Built to plug into investment systems, custodians, risk engines, and order workflows—without ripping out existing infrastructure.

Enterprise Integrations

Built to plug into investment systems, custodians, risk engines, and order workflows—without ripping out existing infrastructure.

Enterprise Integrations

Built to plug into investment systems, custodians, risk engines, and order workflows—without ripping out existing infrastructure.

Actuarial Rigor

Grounded in statutory, GAAP, and economic modeling frameworks, with governance-grade validation and controls.

Actuarial Rigor

Grounded in statutory, GAAP, and economic modeling frameworks, with governance-grade validation and controls.

Actuarial Rigor

Grounded in statutory, GAAP, and economic modeling frameworks, with governance-grade validation and controls.

Balance-Sheet First

Infrastructure designed for insurers, asset managers, regulators, and capital providers—not consumer apps.

Balance-Sheet First

Infrastructure designed for insurers, asset managers, regulators, and capital providers—not consumer apps.

Balance-Sheet First

Infrastructure designed for insurers, asset managers, regulators, and capital providers—not consumer apps.

The Infrastructure Behind Modern Insurance & Asset Management

The Infrastructure Behind Modern Insurance & Asset Management

The Infrastructure Behind Modern Insurance & Asset Management

AT1 builds the deterministic actuarial, capital, and portfolio-engineering systems that power insurers, reinsurers, and asset managers—unifying liabilities, assets, and solvency into a single operating layer.es real-time ALM, liability modeling, and balance-sheet optimization — delivered as a managed service.We quantify yield leakage across the balance sheet, optimize asset-liability match, and enable continuous ALM — replacing quarterly, static processes with real-time intelligence.

AT1 builds the deterministic actuarial, capital, and portfolio-engineering systems that power insurers, reinsurers, and asset managers—unifying liabilities, assets, and solvency into a single operating layer.es real-time ALM, liability modeling, and balance-sheet optimization — delivered as a managed service.We quantify yield leakage across the balance sheet, optimize asset-liability match, and enable continuous ALM — replacing quarterly, static processes with real-time intelligence.

Actuarial Compute Engines
Deterministic, reproducible systems for liability projections, reserves, decrements, and solvency analytics powering insurers, asset managers, and digital carriers.
Capital & Solvency Optimization
Real-time RBC, economic capital, liquidity, and leverage optimization embedded directly into the balance-sheet operating system.
Portfolio Construction & ALM Optimization
Liability-aware portfolio construction, duration and convexity matching, capital-efficient allocation, and continuous mitigation of drift and yield leakage.
Asset-Side Modeling & Fund Cashflow Engines
Loan, SMA, fund, and structured-credit cashflow engines with standardized issuance, amortization logic, waterfalls, leverage, NAV methodologies, and performance analytics.
ALM Wrappers for Asset Managers
Plug-and-play ALM modules enabling asset managers to run insurer-grade ALM, capital analytics, mandate optimization, and solvency reporting for institutional clients.
Sponsor & Co-Sponsorship Infrastructure
Balance-sheet architecture, ALM systems, capital frameworks, and portfolio design enabling the launch of new life companies, reinsurers, captives, and AM-backed platforms.
Actuarial Compute Engines
Deterministic, reproducible systems for liability projections, reserves, decrements, and solvency analytics powering insurers, asset managers, and digital carriers.
Capital & Solvency Optimization
Real-time RBC, economic capital, liquidity, and leverage optimization embedded directly into the balance-sheet operating system.
Portfolio Construction & ALM Optimization
Liability-aware portfolio construction, duration and convexity matching, capital-efficient allocation, and continuous mitigation of drift and yield leakage.
Asset-Side Modeling & Fund Cashflow Engines
Loan, SMA, fund, and structured-credit cashflow engines with standardized issuance, amortization logic, waterfalls, leverage, NAV methodologies, and performance analytics.
ALM Wrappers for Asset Managers
Plug-and-play ALM modules enabling asset managers to run insurer-grade ALM, capital analytics, mandate optimization, and solvency reporting for institutional clients.
Sponsor & Co-Sponsorship Infrastructure
Balance-sheet architecture, ALM systems, capital frameworks, and portfolio design enabling the launch of new life companies, reinsurers, captives, and AM-backed platforms.
Actuarial Compute Engines
Deterministic, reproducible systems for liability projections, reserves, decrements, and solvency analytics powering insurers, asset managers, and digital carriers.
Capital & Solvency Optimization
Real-time RBC, economic capital, liquidity, and leverage optimization embedded directly into the balance-sheet operating system.
Portfolio Construction & ALM Optimization
Liability-aware portfolio construction, duration and convexity matching, capital-efficient allocation, and continuous mitigation of drift and yield leakage.
Asset-Side Modeling & Fund Cashflow Engines
Loan, SMA, fund, and structured-credit cashflow engines with standardized issuance, amortization logic, waterfalls, leverage, NAV methodologies, and performance analytics.
ALM Wrappers for Asset Managers
Plug-and-play ALM modules enabling asset managers to run insurer-grade ALM, capital analytics, mandate optimization, and solvency reporting for institutional clients.
Sponsor & Co-Sponsorship Infrastructure
Balance-sheet architecture, ALM systems, capital frameworks, and portfolio design enabling the launch of new life companies, reinsurers, captives, and AM-backed platforms.
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AT1 builds actuarial, capital, and ALM infrastructure for institutional insurance platforms.

Updates from 1LX

Occasional updates on platform development, research, and real-time ALM infrastructure.

Copyright © 2025 AT1 Capital LLC. All rights reserved. New York, NY.

Footer Logo

AT1 builds actuarial, capital, and ALM infrastructure for institutional insurance platforms.

Updates from 1LX

Occasional updates on platform development, research, and real-time ALM infrastructure.

Copyright © 2025 AT1 Capital LLC.

All rights reserved. New York, NY.

Footer Logo

AT1 builds actuarial, capital, and ALM infrastructure for institutional insurance platforms.

Updates from 1LX

Occasional updates on platform development, research, and real-time ALM infrastructure.

Copyright © 2025 AT1 Capital LLC. All rights reserved. New York, NY.