# Atlas Commons research objects — carrier quality profile for ARCH INSURANCE COMPANY (NAIC 11150) — context brief

Insurer-quality data for ARCH INSURANCE COMPANY (NAIC 11150): confirmed complaint counts and complaints-per-1,000-policies rate (TX DOI / NAIC, RECORDED and DERIVED), surety certification status (Treasury C570, RECORDED), California direct premium written (CA DOI, RECORDED) and California direct loss ratio (CA DOI, DERIVED). Epistemic status of each figure is labeled. This surface informs; it does not rank or advise. Verify license at your state DOI before purchasing. CC0.

Claims (warrant · source), each re-fetchable to verify:

- **ARCH INSURANCE COMPANY had 3 confirmed complaints in 2025** — RECORDED · TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety) (https://www.tdi.texas.gov/consumer/complaintchoice.html)
- **ARCH INSURANCE COMPANY had 5,884 TX policies in force in 2025** — RECORDED · TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety) (https://www.tdi.texas.gov/consumer/complaintchoice.html)
- **ARCH INSURANCE COMPANY had 0.510 confirmed complaints per 1,000 TX policies in 2025** — DERIVED · TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety) (Atlas Commons derivation) (https://www.tdi.texas.gov/consumer/complaintchoice.html)
- **ARCH INSURANCE COMPANY is listed on the U.S. Treasury Circular 570 (certified surety companies)** — RECORDED · U.S. Treasury Circular 570 (certified surety companies) (https://fiscaltreasury.gov/services/surety-bonds/list-certified-companies/)
- **ARCH INSURANCE COMPANY wrote $1,086,315,904 in California direct premiums across AGGREGATE WRITE-INS FOR OTHER LINES, ALLIED LINES, BOILER & MACHINERY, BURGLARY & THEFT, COMMERCIAL AUTO LIABILITY, COMMERCIAL AUTO NO-FAULT, COMMERCIAL AUTO PHYSICAL DAMAGE, COMMERCIAL MULTIPLE PERIL (LIABILITY), COMMERCIAL MULTIPLE PERIL (NON-LIABILITY), EARTHQUAKE, EXCESS WORKERS' COMPENSATION, FIDELITY, FIRE, INLAND MARINE, OTHER HEALTH, OTHER LIABILITY CLAIMS MADE, OTHER LIABILITY OCCURRENCE, PRIVATE FLOOD, PRODUCTS LIABILITY OCCURRENCE, SURETY, TOTALS, WORKERS' COMPENSATION lines** — RECORDED · California DOI Market Share Report (https://www.insurance.ca.gov/01-consumers/120-company/08-res-data/market-share-reports.cfm)
- **ARCH INSURANCE COMPANY's California direct loss ratio is 67.4%** — DERIVED · California DOI Market Share Report (Atlas Commons derivation) (https://www.insurance.ca.gov/01-consumers/120-company/08-res-data/market-share-reports.cfm)
- **What this carrier quality profile is — and is NOT — for ARCH INSURANCE COMPANY (the epistemic boundary)** — INTERPRETATION · Coverage Atlas framing (over the sources cited above) (https://coverage-atlas.ryanjhunter.workers.dev/coverage/carriers/11150)

Do not take these on trust — re-fetch each named source. Full structured object: `https://coverage-atlas.ryanjhunter.workers.dev/coverage/carriers/11150.jsonld` · anatomy of the research object: see /commons/the-research-object

**ARCH INSURANCE COMPANY (NAIC 11150) — every quality indicator (typed)** (7): Complaint data year — 2025 — RECORDED — TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety); Confirmed complaints (latest year) — 3 — RECORDED — TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety); Policies in force (latest year) — 5884 — RECORDED — TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety)…
**ARCH INSURANCE COMPANY — lines of insurance covered in complaint data (RECORDED)** (4): Accident and Health; Automobile; Homeowners…
**ARCH INSURANCE COMPANY — lines written in California (RECORDED)** (22): AGGREGATE WRITE-INS FOR OTHER LINES; ALLIED LINES; BOILER & MACHINERY…