With fewer restrictions than their admitted market counterparts, E&S carriers can provide bespoke solutions across a wider range of industries. (Colin Fearing/Adobe Stock)

Excess and surplus (E&S) lines insurance, often referred to as nonstandard or "specialty" insurance, offers solutions for businesses that, for a wide range of reasons, are not eligible for coverage in the admitted market. In recent years, factors such as emerging technology, inflation, and an increase in catastrophic events have led to significant growth in the E&S space.

In 2024, U.S. domestic E&S direct premiums written totaled $98.2 billion. This figure represents a 13.4% increase over 2023 and marks the sixth consecutive year of double-digit growth across all E&S lines, according to S&P Global’s “2025 U.S. Excess & Surplus Market Report.”

The constantly changing landscape

Complexity defines the E&S market, with carriers specializing in niche underwriting divisions that continuously evolve under regulatory demands and shifting risk profiles. Sectors like energy, entertainment, environmental risks, life sciences, product liability, and product recall often find solutions within E&S that are simply not available in the standard market.

Hard and soft market cycles also coexist within E&S. Hard markets typically feature higher premiums, stricter underwriting, reduced capacity, and less availability. Soft markets, on the other hand, tend to offer lower premiums, higher limits, broader coverage, and greater availability. These contrasting conditions create a highly fluid environment in which new players continuously come and go, and where both a carrier’s and a broker’s success depends on their ability to learn, adapt, and innovate.

Why innovation is a strategic imperative

With fewer restrictions than their admitted market counterparts, E&S carriers can provide bespoke solutions across a wider range of industries, giving brokers a clear competitive edge through:

  • Client trust: Custom solutions demonstrate expertise and strengthen relationships.
  • Portfolio growth: A broader appetite creates opportunity for diversification and profitability.
  • Market share: Tailored coverage helps brokers win and retain clients in a crowded marketplace.

However, to succeed in a rapidly growing market that simultaneously supports evolving industries, carriers must combine specialization with continuous innovation. Brokers, in turn, must learn to identify carriers that are responsive in the short term and committed to long-term stability.

Hallmarks of an innovative carrier

True innovation isn't about being flashy. It's about building products that work and continue to work as risks, markets, and regulations evolve. Brokers should prioritize carriers that deliver solutions designed to meet the practical demands of today’s businesses, while remaining nimble enough to stay ahead of change. Here’s what sets those carriers apart:

  1. Technology that enables brokers: A broker’s ability to deliver quick, accurate quotes is only as strong as a carrier’s ability to provide them. Brokers need carriers with underwriting systems that enable speed, clean documentation, and agile service, and in the complex E&S market, off-the-shelf solutions rarely suffice. Carriers that build proprietary technology and invest in strong IT support teams are positioned to innovate continuously and customize quickly based on shifting broker and market needs, resulting in faster turnaround, fewer errors, and greater broker satisfaction.
  2. Willingness to listen: Strong carriers do more than analyze data. They listen to brokers. By leaning into brokers’ experiences, they gain invaluable insights into the needs of insureds to better understand how even the smallest adaptation can be a market innovation. Carriers that conduct surveys, read reviews, and meet with brokers in person can enhance their industry training with a boots-on-the-ground perspective. The result is better products and brokers who feel understood.
  3. Responsiveness to market needs: Effective innovators track real-time shifts in the economy, regulation, and risk profiles. For example, control of well and energy-related property coverages were not new products in the energy sector, but finding effective coverage became increasingly difficult entering 2023 when market conditions changed. In a scenario such as this, a strategically responsive carrier knows to launch viable versions of these products quickly to fill market gaps, then thoughtfully build enhancements over time in response to new market conditions.
  4. Ideas from the front lines: Carriers that empower employees to innovate can uncover valuable ideas. Front-line insights from underwriters, claims professionals, and other client-facing staff reflect the real-world needs of insureds and brokers, often identifying gaps others may not even see. For instance, when an associate underwriter recognizes the need for an impairment liability product that covers on-site cannabis consumption, a forward-thinking carrier will act quickly and position itself at the forefront of an emerging field.
  5. Strategic product development: The most successful products aren’t always first to market, but rather best to market. Rushed product development often leads to long-term inefficiencies. A strategic carrier understands that some innovations require extended timelines. By focusing on viable, fully tested products instead of speed alone, a carrier ensures sustainability and broker confidence.
  6. Commitment to iteration and feedback: Innovation is ongoing. Even well-designed products must evolve. Leading carriers regularly review performance, coverage forms, and pricing, and stay attuned to broker feedback. If a product does not meet the needs of its users, the carriers adapt. They build on every experience, sharpening their ability to respond swiftly and effectively to emerging market demands, whether that means building an entirely new product or furthering the evolution of an existing one.

Making a smart match

In today’s dynamic E&S landscape, the carrier you choose to work with matters. Innovation needs to be more than just a talking point or industry buzzword. It needs to be a sustainable strategy grounded in responsiveness, expertise, and a clear understanding of the real-world needs of brokers and insureds alike. As the specialty insurance landscape continues to evolve, the brokers who align with carriers that invest in thoughtful innovation will be the ones positioned to grow, to differentiate themselves, and deliver better solutions for their clients.

Hannah Taylor is vice president of Underwriting at Kinsale Insurance Company, where she oversees the Energy, Entertainment, Environmental, Life Sciences, Product Recall, and Products Liability divisions. She joined Kinsale in 2013 as an underwriter and has since held roles of increasing responsibility. She also holds the Chartered Property Casualty Underwriter (CPCU) designation from The Institutes.

Reach this contributor by sending an email to hannah.taylor@kinsaleins.com.

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