Arbolus Intelligence

Carbon Underwriting Limited

carbonuw.com · Londonderry County Borough, United Kingdom

Carbon Underwriting Limited is a specialist managing general underwriter and Lloyd’s syndicate operator that uses data-driven underwriting and technology to write property, casualty, and specialty re/insurance business. It provides capacity and underwriting services to brokers and (re)insurers, combining traditional Lloyd’s market expertise with proprietary analytics and digital platforms. The company earns revenue through underwriting fees, profit commissions, and its share of underwriting results.

Listed in
Revenue
$25.0M
Employees
80
Founded
2018
Headquarters
Londonderry County Borough, United Kingdom

What 5 Arbolus experts think of Carbon Underwriting Limited

NPS scores are consistently high (8–10), underpinned by strong operational efficiency, data governance, and reporting transparency. Renewal intent is positive with only one notable exception linked to specific strategic shifts rather than dissatisfaction. Implementation stage is distributed across more than 1 year for most clients, indicating established engagement; one client is in pilot. Key feedback themes include the importance of deep analytics, integration, and ongoing platform improvements (especially AI).Overall Customer Sentiment: Positive

Who reviewed Carbon Underwriting Limited

Total customers 5 5 current · 0 former
Reviews growth +5 in six months
Seniority of respondents
  • C-Suite 100% (5)
Generalist Leader C-Suite NPS 9 Will renew Submitted Jun 2026
Executive C-Suite NPS 9 Will renew Submitted Jun 2026
Strategy Leader C-Suite NPS 9 Will renew Submitted Jun 2026

Employer names and spend open in the full report, along with the other 2 customers.

Everything 5 customers told us about Carbon Underwriting Limited.

Employer names, spend, renewal intent and every written answer behind the numbers on this page.

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Sentiment

80 Net Promoter Score, from 5 scored reviews
  • Promoters 4
  • Passives 1
  • Detractors 0

Cumulative NPS by month

-1 over 3 months
  • Jan 10
  • Mar 9
  • Jun 9

Net Promoter Score across 1 reviews, accumulated up to each month. Category median 80 across 1 companies.

Praised

  • Operational Efficiency and Scalability
  • Best-in-Class Analytics and Reporting
  • Integration with Lloyd’s and Regulatory Standing
  • AI-Driven Underwriting and Automation

Criticised

  • Risk of Losing Value for Cost
  • Regulatory and Portfolio Restrictions
  • Switching Risk Due to Advanced Competitors
  • Customization and Integration Gaps

What customers say

Operational Efficiency and Scalability
“The platform brings consistency, automates workflows, and provides structured management, improving our productivity and making scaling easier.”
Best-in-Class Analytics and Reporting
“The transparency of reporting, management information quality, and real-time portfolio monitoring capabilities made Carbon stand out for us.”
Integration with Lloyd’s and Regulatory Standing
“Carbon’s ability to onboard MGAs as Lloyd’s coverholders and its selective, rigorous vetting process are unique advantages in the market.”

Renewal intent

Plan to renew 75%
  • Will renew 3
  • Undecided 1
  • Not renewing 0

Plan to renew, by seniority

  • C-Suite 75% 4 answers
  • 9/10 Average score from customers who will renew
  • 10/10 Average score from undecided customers

Report

Customer Report - Sep 2026 Sep 2026 5 + 0

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