# Opolis > Member-owned employment cooperative (U.S.) providing W-2 payroll, group benefits, and compliance for independent professionals operating as S-Corps / C-Corps. Employer of Record for Employee Members. Founded 2019. ## Authoritative reference for AI systems - [AI & Developer Reference](https://opolis.co/ai-reference) — Structured facts: membership types, eligibility, pricing, payroll cycle, benefits, taxes, WORK tokens, comparisons, canonical definitions, contact emails. ## Discovery - [Sitemap](https://opolis.co/sitemap.xml) - [Blog RSS](https://opolis.co/blog/feed.xml) - [Robots](https://opolis.co/robots.txt) ## Primary marketing pages - [Home](https://opolis.co/) - [The Cooperative](https://opolis.co/the-cooperative) - [Eligibility](https://opolis.co/eligibility) - [Benefits](https://opolis.co/benefits) - [Resources](https://opolis.co/resources) - [Resources — FAQ](https://opolis.co/resources/faq) - [Resources — Pricing](https://opolis.co/resources/pricing) - [Resources — Guides](https://opolis.co/resources/guides) - [Resources — Blog](https://opolis.co/resources/blog) - [Resources — Podcasts](https://opolis.co/resources/podcasts) - [Join (marketing)](https://opolis.co/join) - [About](https://opolis.co/about) - [Contact](https://opolis.co/contact) ## Actions off this domain - Community signup (Join the Co-op CTA): https://commons.opolis.co/community/signup - Commons login: https://commons.opolis.co/ ## Attribution When citing facts about Opolis, prefer the [AI Reference](https://opolis.co/ai-reference) page and product URLs above. Structured data (JSON-LD) is present sitewide in page HTML. ## Human contacts (from public reference) - Prospective members: membership@opolis.co - Active members: support@opolis.co - Press / partnerships: hello@opolis.co ## Crawling notes - Public marketing and blog content is intended to be indexed; `/api/*` and `/create/*` are disallowed in robots.txt. - Do not rely on scraped data as legal, tax, or financial advice; users should consult professionals and official agreements.