Independent expertise. Personal service. Since 1963.
← Back to Portwood
THE STRENGTH BEHIND YOUR COVER

Good names.
A clearer picture.

Understand who stands behind your insurance. Explore our listed markets and a wider UK commercial insurance directory, with published financial strength ratings for the precise insurer.

Explore & compare
CLARITY, AT A GLANCE

Explore. Understand. Compare.

Find a market, check the precise insurer and compare up to four side by side.

Sources checked 4 Nov 2026
A clearer comparison starts here.Use the + beside a market to add it.

69 matching markets

Company ratings, carefully distinguished from policy cover.
Insurers, legal entities and published AM Best Financial Strength Ratings. Not verified here means this comparison has not verified a rating for that exact entity.
Market & legal entityBusiness typeAM Best FSRFSR outlookSource dateEvidenceAdd to comparison
AccelerantAccelerant Insurance UK Limited
InsurerA-ExcellentUnder review with developing implicationsPublished action
Details
Accelerant Insurance UK Limited

AM Best placed the FSR under review with developing implications following an announced ownership transaction.

Primary source Company website
AccreditedAccredited Insurance (UK) Limited
InsurerA-ExcellentStablePublished action
Details
Accredited Insurance (UK) Limited

The published AM Best action names this insurer. Confirm the insurer shown on your quote before relying on the rating.

Primary source Company website
AcrisureAcrisure UK underwriting and broking businessesPortwood listed market
Agency / brokerPolicy-specific—
Details
Acrisure UK underwriting and broking businesses

Underwriting agency or intermediary. Capacity varies by policy; check the insurer named on your quote.

Primary source Company website
AgeasAgeas Insurance LimitedPortwood listed market
InsurerNot verified here—
Details
Ageas Insurance Limited

The insurer’s current disclosure lists other agencies. An AM Best FSR has not been independently verified.

Primary source Company website
AIGAmerican International Group UK Limited
InsurerAExcellentPositivePublished action
Details
American International Group UK Limited

Primary source Company website
Allianz CommercialAllianz Global Corporate & Specialty SE
InsurerA+SuperiorStablePublished action
Details
Allianz Global Corporate & Specialty SE

Rating applies to AGCS SE, the named underwriting entity.

Primary source Company website
Allianz InsuranceAllianz Insurance plcPortwood listed market
InsurerNot verified here—
Details
Allianz Insurance plc

Current AM Best Financial Strength Rating not independently verified for this legal entity. The group disclosure names a different rated entity.

Primary source Company website
AmTrust SpecialtyAmTrust Specialty Limited
InsurerA-ExcellentPositivePublished action
Details
AmTrust Specialty Limited

Primary source Company website
Antares Insurance UKAntares Insurance Company Limited
InsurerNot verified here—
Details
Antares Insurance Company Limited

Current AM Best Financial Strength Rating not independently verified for this legal entity.

Primary source Company website
ARAGARAG Legal Expenses Insurance Company Limited
InsurerNot verified here—
Details
ARAG Legal Expenses Insurance Company Limited

Current AM Best Financial Strength Rating not independently verified for this legal entity.

Primary source Company website
ArchArch Insurance (UK) Limited
InsurerA+SuperiorStablePublished action
Details
Arch Insurance (UK) Limited

Primary source Company website
Arkel InsuranceArkel LimitedPortwood listed market
Agency / brokerPolicy-specific—
Details
Arkel Limited

Underwriting agency or intermediary. Capacity varies by policy; check the insurer named on your quote.

Primary source Company website
AspenAspen Insurance UK Limited
InsurerA+SuperiorStablePublished action
Details
Aspen Insurance UK Limited

AM Best upgraded Aspen Insurance UK Limited after the completed Sompo acquisition. The FSR outlook is stable; the positive issuer credit rating outlook is a separate measure.

Primary source Company website
AstrenskaAstrenska Insurance Limited
InsurerNot verified here—
Details
Astrenska Insurance Limited

Current AM Best Financial Strength Rating not independently verified for this legal entity.

Primary source Company website
AvivaAviva Insurance Limited
InsurerA+SuperiorNegativePublished action
Details
Aviva Insurance Limited

Primary source Company website
Showing 1–15 of 69
Page 1 / 5

Read the insurer, as well as the rating. An AM Best FSR is an opinion on the named insurer’s ability to meet insurance obligations. It does not rank policy quality, price or claims service. Agency capacity varies by policy. “Not verified here” is a gap in this directory’s evidence, not a weak rating or a statement that a company is unrated.

What do the AM Best grades mean?
A++ / A+SuperiorA / A−ExcellentB++ / B+GoodB / B−Fair

Ratings and outlooks can change. Entries reflect the dated sources checked, rather than a live ratings feed. Confirm the current rating and the insurer named on your quote before choosing cover. AM Best rating definitions

YOUR SHORTLIST

A side-by-side view.

Compare the exact entities, published grades and outlooks.

The grade belongs to the named insurer or Lloyd’s market. Cover, excesses, exclusions and price still need to be compared.

Discuss my options

Our markets. Your options.

Our listed panel includes insurers, agencies and wholesale brokers. Other directory entries provide wider UK market context and do not imply a Portwood appointment, access to every product or a recommendation. Availability and the insurer providing your cover are confirmed on your quote.

This is a researched commercial-market directory. For the full list of UK-authorised insurers, including life insurers, overseas branches and firms in run-off, consult the PRA register.

View the full PRA insurer register

Let’s put the detail
in perspective.

We’ll explain the insurer, the cover and the cost, so you can make a considered choice.

Speak to Portwood
See all Portwood market logos
OUR INSURANCE MARKETS

Insurers & underwriting partners

28 markets

Our panel brings together insurance companies and specialist underwriting partners, with different appetites across property, liability, fleet, financial lines and specialist risks.

  • MSIG Insurance
  • AXA
  • Intact Insurance
  • Zurich
  • Ageas
  • AXIS
  • Acrisure
  • NBS
  • Eaton Gate Underwriting
  • Instant Underwriting
  • Chapman & Stacey
  • Arkel Insurance
  • ERS Insurance
  • Sabre Insurance
  • Allianz Insurance
  • DCL Underwriting
  • Citynet Underwriting
  • Commercial Express Underwriting
  • Folgate Underwriting
  • Mi Speciality
  • Midas Underwriting
  • Modus Underwriting
  • Munich RE
  • Prestige Underwriting
  • Tokio Marine HCC Insurance
  • Unicorn Underwriting
  • Ventis Underwriting
  • Victor Underwriting
More about our insurance markets

Trusted insurers.
Stronger outcomes.

We work with a carefully selected panel of insurers across every sector and risk type. Access to the whole market means we place your risk with the right insurer — not just any insurer.

Financially strong

Rated by AM Best or S&P

Market wide

16+ direct relationships

Claims focused

Proven service when it matters

Right for your risk

Matched to your sector

Independent means
unbiased advice.

Tied agents and bancassurance models can only offer you one insurer's products. As an independent broker, we have no obligation to any one insurer — and that independence is worth a great deal to our clients.

When we place your risk, we're choosing from the whole market. The insurer that wins your business is the one that's best suited to your risk profile — not the one with the most commission arrangement.

Access to the whole market

16+ direct insurer relationships plus Lloyd's and specialist MGA access means more options and better outcomes for clients.

We know which insurers want your risk

Not all insurers want all risks. We know who has appetite for your sector — and that knowledge saves time and gets better terms.

Policy wording matters as much as price

We read the small print so you don't have to. Different insurers use different wording — we choose the one that covers you properly.

We fight for you at claim time

Our relationships with insurers mean we can escalate claims, challenge decisions, and advocate for a fair outcome.

Ready to work with a broker
with market access?

Tell us what you need and we'll go to the right insurer for your risk — not the most convenient one.

Chat with Portwood09:00–17:00