After Company Registration in Iran: A 15-Step Tax and Compliance Checklist

Incorporating an Iranian company is the easy part. What decides whether the first year is clean or expensive are the obligations that start the moment the incorporation notice is published. This checklist is written for first-time founders: what to do, where, and by when, in the order the steps actually depend on each other.

The rule behind every step

Iranian tax and social security obligations are time-driven, not activity-driven. The clock starts at registration, whether or not you have made a sale or hired anyone. A company that spent a year "getting ready" without filing anything has usually accumulated several penalties.

Steps 1–4: registry and banking

1. Collect the incorporation notice and official gazette. Get several copies; nearly every office wants one.
2. Obtain the company seal and an electronic signature token. Without the certificate you cannot operate in the tax portals.
3. Open a corporate bank account. Separate company money from directors' personal accounts from day one — mixing them is the root of most later disputes over bank transactions.
4. Pay the capital stamp duty. Duty is due on registered capital within a short window from registration. For the current rate, check the latest tax administration circular.

Steps 5–7: tax file and economic code

5. Register electronically in the tax system, uploading company details, the real place of business, branches, bank accounts and board members. Assessment notices are served to that registered address, so it must be genuine.
6. Open the file at the local tax office. Article 177 allows four months from the start of activity to notify; missing it means penalties and loss of relief.
7. Activate the economic code. Until it is live, official invoicing and public tenders are effectively closed to you.

Steps 8–10: books and accounting system

8. Seal the journal and general ledger. For a newly formed company this must happen at the very start of activity, and for later years before the fiscal year begins. See the statutory books guide for the rules that get books rejected.
9. Set up accounting software with a tax-aware chart of accounts — segregated exempt and non-exempt revenue, cost centres, VAT clearing accounts, and sub-ledgers keyed to counterparties' national IDs.
10. Fix the fiscal year and write down financial procedures. Most Iranian companies end the year in Esfand; a different year end has reporting consequences worth weighing before it goes into the articles.

Steps 11–12: VAT, e-invoicing

11. Assess VAT liability and register. Scope depends on your activity and the administration's call-up notices. If in scope, file quarterly and show tax and duties at the standard 10% rate on invoices.
12. Register in the taxpayer system portal and arrange fiscal memory. Electronic invoices submitted to the system are now what allows your customer to claim input credit — details in the taxpayer system guide.

Steps 13–14: people

13. Open the workplace file with the Social Security Organization as soon as the first person starts.
14. File monthly contribution lists and payroll tax lists, each due by the end of the following month.

Step 15: build the compliance calendar

Five first-year mistakes

Receiving sales proceeds into the managing director's personal account, which later gets assessed as concealed income. Accepting invoices from suppliers whose registration is not valid, which fails on expense deductibility and creates mismatches in the quarterly transaction report. Writing up a whole year of books in the last month. Ignoring electronic service of documents — the 30-day objection window on an assessment notice runs from service, not from when you notice it. And skipping the return in a dormant year.

Key takeaways

• Obligations start at registration, not at first sale.
• Correct order: tax registration and economic code, sealed books, VAT and e-invoicing portal, then social security.
• Keep company and personal banking strictly separate from day one.
• Capital stamp duty and the dormant-year return are the two most commonly forgotten items.
• A one-page compliance calendar with named owners is the cheapest insurance available.