Attune vs FloodFlash — Underwriting workstation for US insurance, 2026.
Attune (6 named carriers) and FloodFlash (4 named carriers) both sit at the underwriting workstation layer. 1 carrier appear on both rosters.
Last verified 2026-04-22 · methodology
TL;DR
- Attune has 6 publicly-named carrier deployments; FloodFlash has 4. Both at the underwriting workstation layer.
- 1 carrier run both: Hiscox Insurance Company.
- Both classified ai-native on Phidea's generation axis.
- Both subsidiary ownership.
- Analyst coverage: 0 firms cover both, 5 only Attune, 4 only FloodFlash.
Customer overlap
| Bucket | Count |
|---|---|
| Named on Attune only | 5 |
| Named on FloodFlash only | 3 |
| Named on both | 1 |
| of which US-named on at least one side | 1 |
Overlap roster
- Hiscox Insurance Company (US/UK)
Only on Attune
- Blackboard Insurance Company (AIG) (US)
- Accredited Surety and Casualty Company (US)
- EMPLOYERS (Employers Holdings) (US)
- Pinnacol Assurance / EverPeak (US)
- EverPeak Insurance (US)
Only on FloodFlash
- Munich Re (Munich Re Syndicate at Lloyd's) (DE)
- Everest Re (Lloyd's syndicate, legacy UK capacity) (UK)
- NormanMax Insurance Holdings (US)
Counts derived from 11sourced carrier-deployment entries across both vendor cards. Aggregate-only statements (e.g. “16 of the top 20”) excluded.
Stack position
- Generation
- ai-native
- Stack layer
- Underwriting workstation
- Founded
- 2016
- Lines
- commercial, workers-comp
- Generation
- ai-native
- Stack layer
- Underwriting workstation
- Founded
- 2017
- Lines
- commercial, home, specialty
- Replaces
- traditional indemnity flood cover, manual loss adjustment
Ownership and corporate context
Attune
- Type
- subsidiary
- Parent
- Pinnacol Assurance (via Cake Insure, Inc.)
- Acquired
- 2023
Carrier-segment specialization
Attune — geographic split
- US6
FloodFlash — geographic split
- UK2
- DE1
- US1
Analyst coverage differential
Only Attune cited by
- Insurance Business America (2024: Attune launches EverPeak workers' comp product for small and hard-to-place businesses)
- The Insurer (2023: Coalition sells MGA Attune to Colorado work comp specialist Pinnacol Assurance)
- Carrier Management (2021: Coalition Acquires Attune, an MGA/Broker Platform Founded by AIG, Two Sigma)
- Insurance Insider US (2023: Coalition sells Attune to Pinnacol Assurance 15 months after buying it)
- Business Wire (AIG / Hamilton / Two Sigma) (2016: AIG, Two Sigma, and Hamilton Insurance Group Launch Attune — a Data-Enabled Insurance Platform Serving Small Businesses)
Only FloodFlash cited by
- Artemis (2025: NormanMax gets more parametric sensor tech with FloodFlash acquisition)
- Reinsurance News (2025: NormanMax to acquire FloodFlash)
- Insurance Journal (2025: NormanMax Agrees to Purchase Parametric Flood Specialist MGA, FloodFlash)
- TIME (2024: The Company Working to Make Flood Insurance Climate-Proof)
Recent news (last 12 months)
No news items in the last 12 months for either tool.
Sourced limitations
- The brief that Attune is a 'Hartford + Two Sigma + AIG joint venture' is incorrect. Public record (Business Wire, 28 September 2016) shows Attune was founded by AIG, Hamilton Insurance Group and affiliates of Two Sigma Investments, each holding one-third. Hartford Financial Services Group has no disclosed equity, capacity or operational role in Attune at any point in the platform's history.Source: Business Wire
- Total equity funding is not publicly disclosed. Attune was capitalised by the three JV parents (AIG, Hamilton, Two Sigma) rather than by priced venture rounds, and subsequent ownership changes (Coalition acquisition October 2021, sale to Pinnacol Assurance / Cake Insure 4 January 2023) were undisclosed-terms transactions. No venture capital round size has been made public for Attune as a standalone entity.Source: Carrier Management
- BiBERK (Berkshire Hathaway) and Coterie are US small-commercial competitors of Attune, not capacity partners. Attune's disclosed fronting and underwriting paper comes from Blackboard Insurance (AIG) on legacy BOP, Accredited Surety and Casualty (with TransRe-led reinsurance) on BOP+, EMPLOYERS on legacy workers' comp, Hiscox on GL/PL, and — since September 2024 — EverPeak Insurance supported by Pinnacol Assurance on the new workers' comp product. Neither BiBERK nor Coterie appears in Attune's disclosed carrier panel.Source: Attune Insurance (Help Center)
- Attune is an MGA / technology-enabled broker platform, not a licensed risk-carrying insurer. All policy paper sits with third-party carriers (Accredited, EMPLOYERS, Hiscox, Blackboard, EverPeak). Unlike Pie Insurance — which moved full-stack in 2023 with its own A- rated paper — Attune has never acquired or become a licensed carrier, so underwriting appetite ultimately depends on capacity partners' continued support.Source: The Insurer
- No Gartner, Celent, Forrester or Novarica coverage of Attune surfaces in public search. Third-party validation is concentrated in insurance trade press — Insurance Business America, The Insurer, Carrier Management, Insurance Journal, Insurance Insider US, Business Insurance — and Attune's own announcements.Source: Carrier Management
- FloodFlash is a risk-bearing parametric MGA and Lloyd's coverholder — not a piece of software a carrier can license. Engaging FloodFlash means buying parametric flood capacity (post-February 2025, under the NormanMax Insurance Holdings umbrella and Syndicate 3939) or placing business through FloodFlash as a coverholder. The ultrasonic sensor, the mobile-network telemetry, the trigger-calculation logic, and the rapid-settlement workflow are bundled with the policy; they are not sold as a standalone underwriting workstation, pricing engine, or IoT feed that a third-party flood carrier can deploy inside its own environment.Source: Insurance Journal
- The policy pays on an index trigger — floodwater reaching a pre-agreed depth at the sensor location — not on measured property loss. Basis risk (the gap between the fixed payout and the actual cost of flood damage, business interruption, and stock loss) is structural to the product form. A deep flood that damages a building but fails to reach the contracted trigger depth produces no payout; a shallow flood that meets the trigger but causes limited damage produces a full payout. FloodFlash positions the product for rapid post-event liquidity and cover where traditional indemnity flood is unavailable or uneconomic, not as a like-for-like replacement for indemnity cover.Source: FloodFlash
- The product depends on physical sensor installation and continuous connectivity. The ultrasonic depth sensor is fitted outside the insured premises, runs on a long-life battery (12-year design life) and reports via mobile network. Coverage is therefore gated on successful site survey, sensor installation, and network reachability — constraints that do not apply to traditional indemnity flood cover and that make the product more operationally intensive to bind than a typical commercial policy.Source: FloodFlash
- Total disclosed venture funding is modest by insurtech standards — roughly $23M cumulative across a £1.9M seed (August 2018) and a $15M Series A (February 2022), with no priced growth round announced before the NormanMax acquisition. FloodFlash does not publicly disclose GWP, policy count, or claims-paid totals. The acquisition was structured as a strategic combination with NormanMax's parametric-wind Lloyd's syndicate rather than as an independent growth path to scale or IPO.Source: PR Newswire
- No Gartner, Celent, Forrester, or Novarica leader-quadrant placement surfaces in public indexing. Coverage is concentrated in reinsurance and insurtech trade press (Artemis, Reinsurance News, Insurance Journal, Intelligent Insurer, Insurance Times, The Insurer) plus one TIME magazine feature framing FloodFlash in the climate-adaptation narrative. Financial Times coverage of FloodFlash specifically does not surface in public indexing as of 2026-04-22; broader FT parametric-insurance coverage exists but is not FloodFlash-specific.Source: TIME
Limitations published on Phidea are sourced to the underlying citation and reflect what is publicly named — not an exhaustive list. Consult the vendor card for the full record.
Frequently asked
- Do any carriers run both Attune and FloodFlash?
- Yes — 1 carrier appear on both rosters: Hiscox Insurance Company. Sourced on each vendor card; see the customer-overlap section for primary URLs.
- Who owns Attune and FloodFlash?
- Attune is a subsidiary of Pinnacol Assurance (via Cake Insure, Inc.). FloodFlash is a subsidiary of NormanMax Insurance Holdings, Inc..
- Which has more named US carriers?
- Attune has the larger publicly-named US roster: Attune 6, FloodFlash 1. Public-roster size is a coverage signal, not a quality signal — vendors with stronger NDAs may have larger actual US footprints than the public count shows.
- Where are these tools positioned in the insurance stack?
- Both sit at the underwriting workstation layer. Attune operates as a standalone vendor; FloodFlash replaces traditional indemnity flood cover, manual loss adjustment.