Living list of active surety writers (US + Canada first) from public sources — plus education profiles. We never invent ratings, premiums, or independent rankings. Company self-claims are labeled.
Last full pass 2026-09-28 (PT). Next refresh due 2026-10-28 (PT). Ranking references cite group names / relative order only (SFAA Q3 2025 YTD via public MBA PDF; SAC/CANCEA May 2025 seven carriers). No invented DWP dollars.
Public education profile for Travelers Bond / Travelers Canada (SPFM): US surety overview and the Definity carve-out with retained Canadian surety via SPFM. Not…
Open profile →Public education profile for Liberty Mutual Surety in the US and Canada — company-claim scale language labeled, SFAA name-order only. Not placement advice.…
Open profile →Public education profile for Intact Surety in Canada, with a short Intact Specialty / Atlantic Specialty US note. Company claims labeled. Not placement advice.…
Open profile →Public education profile for CNA Surety in the US and Canada — public product menus and SFAA name-order only. Not placement advice.…
Open profile →Public education profile for Zurich Surety in the US and Canada — company claims labeled; Canada capacity as dated Zurich Canada company claim. Not placement ad…
Open profile →Public education profile for Chubb Surety — US, Canada, and international notes with company claims labeled and SFAA name-order only. Not placement advice.…
Open profile →Public education profile for Trisura Guarantee / Trisura Group surety — Canada focus with US specialty note. Not placement advice.…
Open profile →Public education profile for Aviva Insurance Company of Canada surety via GCS — SAC seven context. Not placement advice.…
Open profile →Public education profile for Western Surety Company — Canadian pure-play surety; company claims labeled. Not placement advice.…
Open profile →Public education profile for The Hartford Bond Division — US construction and commercial surety, with Canada Branch licensed-entity note. Flyer contents Pending…
Open profile →Public education profile for Merchants Bonding Company Group — US surety with company claims labeled and SFAA name-order only. Not placement advice.…
Open profile →Public education profile for Markel Surety — live US surety page; SFAA name-order #14 only. Pending items preserved. Not placement advice.…
Open profile →Public education profile for RLI surety — live marketing page; Canada issuing entity Pending. SFAA name-order only. Not placement advice.…
Open profile →Public education profile for Swiss Re Corporate Solutions surety — QBE trade credit & surety acquisition (announce Feb 20 2026 / close Sep 1 2026); SFAA name-or…
Open profile →Public education profile for Sompo surety — US focus with company claims labeled; rating agency Pending. SFAA name-order only. Not placement advice.…
Open profile →Public URLs only. Thin facts stay marked Pending verification.
| Carrier | Markets | Status | Notes | Sources |
|---|---|---|---|---|
| Aviva Insurance Company of Canada (Aviva Canada / GCS Surety) | CA | Active | Active. Contract + commercial (+ reclamation called out). Broker-only. SAC seven. Profile draft: `underwriters/aviva.md` | Primary source +1 more Verified 2026-09-28 |
| Intact Insurance Company (Intact Surety) | CA (+ US via Intact Specialty / Atlantic Specialty) | Active | Active. company claims “largest surety writer in Canada” (Intact page — label as company claim). Contract, commercial, developer (Tarion ON; condo deposit ON/BC/AB/QC; subdivision). 12 branches / 220+ staff (company).… | Primary source +1 more Verified 2026-09-28 |
| Liberty Mutual Insurance Company (Liberty Mutual Canada / Liberty Mutual Surety) | US + CA (+ intl via affiliates/fronting) | Active | Active. SFAA Q3’25 name order #1 (Liberty Mutual Group). SAC seven. US page self-claims #1 US (2024 SFAA DWP basis) / #1 global — **Liberty’s claims**. Profile draft: `underwriters/liberty-mutual.md` | Primary source +2 more Verified 2026-09-28 |
| Travelers Bond / Travelers Canada (SPFM) | US + CA | Active | Active. SFAA Q3’25 name order #2 (Travelers Bond). SAC seven (listed as Travelers Insurance Company of Canada in May 2025 study). **CA lock (Advisor PASS):** Definity bought personal + majority commercial (closed 2026… | Primary source +4 more Verified 2026-09-28 |
| Trisura Guarantee Insurance Company (Trisura Group) | CA (+ US specialty per MD&A) | Active | Active. Commercial, contract, developer surety. SAC seven. Seeded HTML + full profile. Profile draft: `underwriters/trisura.md` | Primary source +1 more Verified 2026-09-28 |
| Western Surety Company | CA | Active | Active. Pure-play surety (construction + commercial). Licensed all provinces/territories. States no US business / not affiliated with US similarly named firms. SAC seven. Profile draft: `underwriters/western-surety.md` | Primary source +3 more Verified 2026-09-28 |
| Zurich Insurance Company Ltd (Zurich Canada) / Zurich Insurance Group | CA + US (+ ~25 countries claim on Zurich NA page) | Active | Active. SAC seven. CA surety page; US: zurichna.com/insurance/surety (company claims 3rd largest / longest continuously operating US surety — label as company claim). Capacity wording on CA page: re-quote at publish (… | Primary source +1 more Verified 2026-09-28 |
| Liberty Mutual Group | US + CA (+ intl) | Active | See Canada row (same group). Draft profile done. | Verified 2026-09-28 |
| Travelers Bond | US + CA (SPFM) | Active | See Canada row. Draft profile done. | Verified 2026-09-28 |
| CNA Surety Group | US + CA | Active | Active. SFAA Q3’25 name order #3. CA page: contract + commercial; US offices/fronting mentioned. Profile draft: `underwriters/cna.md` | Primary source +1 more Verified 2026-09-28 |
| Zurich Insurance Group | US + CA (+ intl) | Active | See Zurich row. SFAA Q3’25 name order #4. Profile draft: `underwriters/zurich.md` | Verified 2026-09-28 |
| Chubb Ltd | US + CA (+ 45+ countries claim on Chubb page) | Active | Active. SFAA Q3’25 name order #5. Construction, commercial, transactional, international surety. CA product page confirmed. “5th largest” / T-listing figures on page = **Chubb’s cites** — date-stamp if quoted. Profile… | Primary source +1 more Verified 2026-09-28 |
| Intact Insurance Specialty Solutions | US (+ CA parent Intact) | Active | Active. SFAA Q3’25 name order #6. Pair with Intact Canada profile; US bonds often Atlantic Specialty per BondClick. | Primary source Verified 2026-09-28 |
| Hartford Fire & Cas Group (The Hartford) | US (+ CA claim on Hartford bonds page) | Active | Active. SFAA Q3’25 name order #7. Commercial + construction; 1StepSurety / NSO. Confirm CA writing entity before heavy CA claims. Profile draft: `underwriters/hartford.md` | Primary source +1 more Verified 2026-09-28 |
| Merchants Bonding Co Group | US | Active | Active. SFAA Q3’25 name order #8. Surety-focused; contract + commercial/fidelity; Hub™ / RAP. Hosted public SFAA Q3 PDF mirror. Profile draft: `underwriters/merchants-bonding.md` | Primary source +2 more Verified 2026-09-28 |
| Berkshire Hathaway Group / BH Specialty Insurance | US (+ global offices listed on BHSI materials) | Active | Active. SFAA Q3’25 name order #10. Use BHSI surety overview PDF; quote capacity/ratings only as published there with date. | Primary source Verified 2026-09-28 |
| Sompo Group | US (+ ability to write CA/UK claimed on page) | Active | Active. SFAA Q3’25 name order #13. Contract/commercial/transactional; Digital Hub; SBA; four named cos (EAC, EAIC, Lexon, Bond Safeguard). “Top 15” / $425m T-list / up to $500m capacity = **Sompo claims**. Profile dra… | Primary source Verified 2026-09-28 |
| Markel Surety | US | Active | Active. SFAA Q3’25 name order ~#14. Live hub confirmed 2026-09-28: contract (co-surety/reverse flow; programs up to $500m — Markel claim), commercial, court/probate; Surety Connect. Treasury limit “in excess of $200m”… | Primary source +3 more Verified 2026-09-28 |
| Swiss Re Corporate Solutions | US + CA (CorSo NA); intl bonding; + Reinsurance Credit/Surety hub | Active | Active. SFAA Q3’25 name order ~#18. Primary CorSo surety + NA pages live; Reinsurance Credit/Surety & Political Risks hub separate. NA capacity language up to / exceeding USD 400m = **Swiss Re claims**. QBE Global Tra… | Primary source +3 more Verified 2026-09-28 |
| RLI Insurance Group | US (+ PR/Guam/USVI; CA/MX claimed on product pages) | Active | Active. SFAA Q3’25 name order ~#21. Live hub confirmed 2026-09-28: commercial (account + RLink transactional; $100m capacity — RLI claim) + contract (FirstStep/Next Step/Standard/SBA; $75m+ — RLI claim). CA/MX writing… | Primary source +2 more Verified 2026-09-28 |
| Trisura Group | CA + US | Active | See Trisura Canada row. Also on SFAA Q3’25 list (~#27 name order). Profile draft: `underwriters/trisura.md` | Verified 2026-09-28 |
| CNA Canada (CNA Surety) | CA + US | Active | Active CA surety page; covered in CNA profile (`underwriters/cna.md`). | Primary source Verified 2026-09-28 |
| Zurich international network | Other (Americas/Europe/APAC ~25 countries — company claim) | Active | Later education on reverse-flow / multi-country programs. | Primary source Verified 2026-09-28 |
| Chubb international surety | Other (45+ countries — company claim) | Active | Later; fronting/global programs. | Primary source Verified 2026-09-28 |
| Liberty — Nationale Borg Re | Other (reinsurance: surety/credit/political risk) | Active | Mention inside Liberty profile only (acquired 2019 per Liberty page). | Verified 2026-09-28 |
| London / other capacity | Other | Pending verification | **Pending verification** — add only with named public writing company + URL. | Verified — |
