Best Insurance Underwriters Companies in United Kingdom
The 77 best Insurance Underwriters companies in United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Convex.
- ResearchAndMarkets.com
- IMARC Group
Ranked: Best Insurance Underwriters companies in United Kingdom
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Market signals (1y) | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Convex Provider of international specialty insurance and reinsurance | $3.3B | 23 mo ago | Acquired | Stephen Catlin Co-Founder & CEO & Chairman | 2019 | WordPressMySQLPHP+24 | — | — | 1 award |
| 2 | Aspen Provider of insurance underwriting services | $850M | — | Acquired | — | 2002 | WordPressApple iCloud MailMySQL+13 | 14 signals ▼18% M&A · Earnings | 8 patents Patents concentrated in computing, sensing & instrumentation | — |
| 3 | Inigo Provider of global specialty insurance and reinsurance | $800M | 67 mo ago | Acquired | Russell Merrett Co-Founder & Chief Underwriting Officer | 2020 | WordPressMySQLPHP+32 | 4 signals ▲300% M&A | — | 1 award |
| 4 | Markerstudy Provider of insurance underwriting services | $274M | 64 mo ago | Acquired | — | 2001 | BootstrapMicrosoft ClarityAdobe Analytics+11 | 3 signals ▲200% Leadership · IPO | — | — |
| 5 | IQUW Provider of specialty insurance and reinsurance products for various industries | $170M | 15 mo ago | Acquired | Peter Bilsby CEO | 2021 | WordPress Block EditorwpBakeryWordPress+35 | 8 signals ▲700% Leadership | — | — |
| 6 | Envelop Risk Cloud-based cyber insurance underwriting solutions for insurers and reinsurers | $136M | 57 mo ago | Series B | Paul Guthrie Chief Commercial Officer & ex-Co-Founder | 2016 | WordPressMySQLPHP+22 | — | — | — |
| 7 | Pen Underwriting Provider of insurance underwriting services | $131M | 70 mo ago | Funding Raised | Tom Downey CEO | 2014 | SitecoreWindows ServerMicrosoft ASP.NET+8 | — | — | — |
| 8 | Probitas 1492 Provider of insurance brokerage services | $25M | 107 mo ago | Acquired | Ash Bathia CEO | 2015 | WordPressMySQLPHP+17 | — | — | 1 expansion |
| 9 | Iprism Provider of underwriting services for construction property and private insurance | $12M | 148 mo ago | Series B | Ian Lloyd Executive Director | 2006 | — | — | — | — |
| 10 | Pardus Underwriting Insurance underwriting company | $2M | 122 mo ago | Seed | Darren Stockman Co-Founder | 2014 | — | — | — | — |
Top 12 Insurance Underwriters companies in United Kingdom
#1
Acquired · London, England · founded 2019 · 491 employees$3.3Braised▾
Provider of international specialty insurance and reinsurance. The company offers digital risk management solutions. It aims to offer something unique to its clients and stakeholders. The company is building a best practice business from scratch, using everything it has learned during its careers to deliver something new and innovative.
- Jul 2024Series D$405K
- Jan 2021Series D$500M
- Apr 2019Series D$1.8B
#2
Acquired · London, England · founded 2021$170Mraised▾
Provider of specialty insurance and reinsurance products for various industries. The company offers underwriting services, combining data, automation, and expertise to make informed decisions. Its portfolio includes property, marine, energy, aviation, crisis management, and cyber coverage. The company focuses on providing rapid responses and initial risk assessments.
- Mar 2025Conventional Debt$170M
#3
Acquired · London, England · founded 2020 · 157 employees$800Mraised▾
Provider of global specialty insurance and reinsurance. The company uses data to turn analysis into insight, and insight into action, so its clients get a clearer view of the risks it can take and the decisions it stands behind. With a culture built on openness and good judgement, it stays focused on underwriting excellence that gives clients clear decisions they can trust. The company became a part of a group in February 2026. The company shares perspectives that help frame how risk might be understood. The company delivers on promises with a refreshingly human touch. The company combines technology with human judgement to support better decisions and outcomes for its clients and itself. The company works closely with MGAs and wholesale brokers to identify new opportunities and build bespoke solutions for clients, backed by its capacity.
- Nov 2020Series D$800M
#4
Acquired · Chesterfield, England · founded 2001 · 1618 employees$274.3Mraised▾
Provider of insurance underwriting services
#5
Series B · London, England · founded 2016 · 17 employees$136Mraised▾
Envelop Risk is a cloud-based cyber insurance underwriting solution for insurers and reinsurers. It uses artificial intelligence technology for analytics solutions. It also offers aggregation tools, decision-making tools, portfolio management, and more.
- Sep 2021Series B$130M
- May 2020Series A$6M
- May 2019Seed—
#6
Acquired · London, England · founded 2002 · 392 employees$850Mraised▾
Provider of insurance underwriting services
#7
Funding Raised · London, England · founded 2014 · 296 employees$131.2Mraised▾
Provider of insurance underwriting services
- Aug 2020Conventional Debt$131.2M
#8
Acquired · London, England · founded 2015 · 120 employees$25Mraised▾
Provider of insurance brokerage services
- Jul 2017Series B$25M
#9
Series B · London, England · founded 2006 · 42 employees$11.9Mraised▾
Provider of underwriting services for construction property and private insurance. This entity functions as a managing general agent that facilitates insurance coverage for contractors, residential property owners, commercial property owners, and owners of high value assets. It utilizes digital platforms to process policy documentation and manage renewals. The business maintains relationships with insurers to provide coverage for various risks.
- Feb 2014PE—
- Dec 2012Conventional Debt—
- Nov 2010Series B$11.9M
#10
Seed · London, England · founded 2014 · 8 employees$2.3Mraised▾
Provider of independent underwriting services intended to serve the insurance market and broking community. The company's services include quoting, binding risks and producing policy documentation as required, enabling insurers to process insurance-related grievances and queries efficiently.
- Apr 2016Seed$2.3M
#11
Seed · London, England · founded 2018—raised▾
Certa Insurance Partners is an independent specialist underwriting agency and Lloyd's Coverholder that provides bespoke tax insurance solutions globally. They have a team of tax experts and offer personalized tax insurance solutions to their clients.
- Oct 2023Seed—
#12
Late Stage · London, England · founded 2014—raised▾
Underwriter of casualty, property, and reinsurance products. This entity provides underwriting services across diverse lines, including casualty insurance (various liability types and workers' compensation), property insurance (commercial properties and transportation), and reinsurance (property, catastrophe, marine treaty, and energy). The underwriting approach emphasizes a disciplined risk selection process and focuses on building long-term client relationships. Services are offered through both open market and delegated authority channels. Claims adjustment and settlement are also part of the service offering.
- Sep 2023PE—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Insurance Underwriters coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.