If you have ever tried to start a business in Pakistan, you have almost certainly come across the terms ATL, NTN, STRN, and SECP — often in the same breath, and usually with very little explanation of what each one actually means. People use these terms interchangeably, and that causes real confusion. Are they the same thing? Do you need all four? Which one comes first?

This guide answers every one of those questions in plain, human language — no legal jargon required.

ATL vs NTN vs STRN vs SECP — Quick Comparison at a Glance

Before going deep, here is a snapshot so you can immediately see which registration does what:

Key Insight: NTN is your income tax ID. STRN is your sales tax ID. ATL confirms you actively file your returns. SECP is a completely separate authority that legally creates your business entity. They work together — but they are not the same thing.

What is NTN (National Tax Number) in Pakistan?

The National Tax Number (NTN) is a unique, lifelong tax identification number issued by the Federal Board of Revenue (FBR) through the IRIS portal. It is Pakistan's equivalent of a tax ID number. Every individual and business that earns income in Pakistan must have one.

Think of your NTN as your official tax identity card. Without it, you are invisible to Pakistan's formal tax system. You are classified as a non-filer, which means you pay higher withholding tax rates on banking transactions, property purchases, vehicle registration, and much more.

Your NTN is linked directly to your CNIC (for individuals) or your business registration documents (for companies). Once issued, it never expires — but you must keep it active by filing your annual income tax return. That is where the ATL comes in, which we cover shortly.

Who Must Get an NTN in Pakistan?

• Salaried employees earning above the taxable income threshold
• Freelancers and self-employed individuals
• Business owners — sole proprietors, AOPs, partnerships
• Private limited companies and single-member companies (SMCs)
• Foreign nationals earning income in Pakistan
• Anyone who wants to open a business bank account
• Anyone applying for STRN — NTN is a mandatory prerequisite

How to Get NTN in Pakistan (Step-by-Step)

1. Go to the FBR IRIS Portal at iris.fbr.gov.pk and click "Registration for Unregistered Person."
2. Enter your CNIC, email address, and mobile number to create your account.
3. Fill in the registration form with your income source, address, and business details.
4. Upload required documents: CNIC front and back, utility bill, and bank account certificate.
5. Submit and wait 24–72 hours for FBR to verify and issue your NTN certificate.

Quick Answer: NTN registration in Pakistan is completely free and takes 1–3 working days online. You can register from anywhere — whether you are in Karachi, Lahore, Islamabad, Rawalpindi, or Faisalabad.

📖 Read ICT's Detailed Guide: Steps to Obtain NTN in Pakistan 2026 →

What is STRN (Sales Tax Registration Number) in Pakistan?

The Sales Tax Registration Number (STRN) is issued by FBR under the Sales Tax Act, 1990. It is a separate registration — distinct from your NTN — that authorizes your business to charge, collect, and file sales tax on taxable goods and services.

Here is the simplest way to understand the difference between NTN and STRN: your NTN is for income tax (what you earn), while your STRN is for sales tax (what you sell). A business can have an NTN without an STRN, but it cannot have an STRN without first having an NTN.

Once you have an active STRN, you are legally required to issue proper sales tax invoices, file monthly sales tax returns through the FBR IRIS portal, and maintain records of your input and output tax. Failure to do so can result in heavy penalties, blacklisting, and suspension of your registration.

Who Needs STRN Registration?

• Businesses supplying taxable goods with annual turnover above Rs. 10 million
• All commercial importers and wholesale distributors — regardless of turnover
• Manufacturers and exporters
• Retailers opting into the sales tax system voluntarily
• Service providers in certain sectors

Important Note: If you are a service provider based in Lahore, you may need PRA registration (Punjab Revenue Authority), not FBR STRN. Karachi-based service providers may need SRB (Sindh Revenue Board) registration. Peshawar-based businesses fall under KPRA (Khyber Pakhtunkhwa Revenue Authority), and Quetta under BRA (Balochistan Revenue Authority). Federal STRN covers goods; provincial sales tax typically covers services.

How to Verify Your STRN Online

Visit the FBR Online Verification Portal at e.fbr.gov.pk. Enter your CNIC or NTN number, select "Sales Tax Profile (STRN)," and your registration status appears instantly. Businesses involved in import and export can also check their STRN through the Pakistan Single Window (PSW) portal.

📖 ICT Guide: How to Register for Sales Tax in Pakistan 2026 →

What is ATL (Active Taxpayer List) in Pakistan?

The Active Taxpayer List (ATL) is a publicly available list published and updated every Monday by the Federal Board of Revenue. It shows which taxpayers have successfully filed their annual income tax returns. If your name is on the ATL, you are an active filer. If not, you are a non-filer.

This is a question that confuses many people: "Is ATL the same as NTN?" The answer is no. Your NTN is your permanent tax ID number — it never goes away. The ATL is a list that reflects your compliance behavior. You can have an NTN but still not be on the ATL if you fail to file your annual return.

Being on the ATL is not just a formality. In Pakistan's tax system in 2025, your ATL status directly affects your daily financial life in very concrete ways.

What Are the Benefits of Being on the ATL?

• Lower withholding tax (WHT) rates on banking transactions, property transfers, and vehicle registration
• Eligibility to bid for government contracts and tenders
• Ability to claim tax refunds and input tax adjustments
• Improved credibility with banks, clients, and regulatory bodies
• Access to tax exemptions and benefits under various FBR schemes

What Happens If You Are Not on the ATL?

Non-filers pay significantly higher withholding taxes across the board. On bank cash withdrawals above Rs. 50,000, filers pay a lower rate compared to non-filers. On property purchases, non-filers face double or even triple withholding tax rates. In 2024–25, FBR has taken even stricter action — including blocking mobile SIMs and freezing bank accounts of habitual non-filers.

Quick Answer: The ATL is updated every Monday. To check your ATL status, visit e.fbr.gov.pk, click on "Active Taxpayer List (Income Tax)," and enter your NTN or CNIC.

📖 ICT Guide: FBR Active Taxpayer List 2026

📖 Read Also: Filer vs Non-Filer in Pakistan

What is SECP Registration in Pakistan?

The Securities and Exchange Commission of Pakistan (SECP) is Pakistan's apex regulatory authority for company incorporation, corporate governance, insurance, non-banking financial companies, and capital markets. When you "register with SECP," you are legally creating a business entity — a private limited company, single-member company (SMC), limited liability partnership (LLP), or NGO.

This is the most important distinction to understand: SECP is not a tax authority. SECP does not issue NTNs, STRNs, or ATL status. SECP's job is to make your business legally exist as a separate legal entity. Think of it this way — SECP gives your company a birth certificate; FBR gives it a tax identity.

Once you complete SECP company registration, you then go to FBR to get your NTN, followed by STRN if needed, and then file annual returns to stay on the ATL. SECP comes first; FBR registrations come after.

Types of Business Entities You Can Register with SECP

• Private Limited Company (Pvt. Ltd.): Requires at least two shareholders and two directors
• Single Member Company (SMC): One person can own and operate — ideal for solo entrepreneurs
• Limited Liability Partnership (LLP): Combines flexibility of a partnership with limited liability protection
• Public Limited Company: Can raise capital from the public and list on the stock exchange
• Non-Profit Organizations (NPOs/NGOs): Registered under Section 42 of the Companies Act, 2017

Difference Between ATL, NTN, STRN & SECP Pakistan 2026 Guide

Is SECP Registration Mandatory for All Businesses?

SECP registration is mandatory if you want to operate as a formal company. However, sole proprietors and unregistered AOPs (Associations of Persons) do not register with SECP — they register directly with FBR for their NTN. If you are a freelancer, a small shopkeeper, or a partnership firm, you may not need SECP at all.

📖 ICT Guide: Company Registration & Compliance in Pakistan 2026

📖 Read Also: SECP's New Startup-Friendly Regulations

SECP vs FBR — What is the Difference?

One of the most searched questions in Pakistan's business community is "What is the difference between SECP and FBR?" Both deal with businesses and both are government bodies — but their roles are completely different.

In short: you register your company's legal existence with SECP, and you handle all tax compliance with FBR. Both are necessary for a fully compliant company in Pakistan — you cannot skip either one.

📖 Read: How Corporate Law and Taxation Work Together

How ATL, NTN, STRN and SECP Work Together — The Full Business Compliance Journey

Here is the practical step-by-step flow every new business owner in Pakistan should follow, whether you are in Islamabad, Lahore, Karachi, or Peshawar:

1. Register with SECP — Incorporate your private limited company, SMC, or LLP through the SECP eServices portal. You receive an Incorporation Certificate.
2. Get Your NTN from FBR — Using your Incorporation Certificate and supporting documents, apply for your NTN on the FBR IRIS portal. This is your company's permanent income tax ID.
3. Register for STRN (if applicable) — If your business supplies taxable goods or meets the sales tax threshold, apply for your STRN on the same FBR IRIS portal. An active NTN is required first.
4. File Your Annual Income Tax Return — Every year, file your return on the IRIS portal before the deadline (typically September 30). This puts you on the ATL.
5. File Monthly Sales Tax Returns — If you have an STRN, file every month — even if the amount is zero. Missing three consecutive months can make your STRN inactive.
6. File SECP Annual Returns — Submit Form A or Form B and Form 45 (beneficial ownership) every year to stay compliant with SECP and avoid penalties up to Rs. 1 million.

📖 ICT Guide: Steps to File Income Tax Return in Pakistan 2026

Common Mistakes People Make With ATL, NTN, STRN and SECP

These are the most common misunderstandings that lead to penalties, delays, and compliance failures:

• Thinking NTN = Filer status: Having an NTN does not automatically make you an active filer. You must also file your annual return every year to appear on the ATL.
• Ignoring Nil sales tax returns: Many businesses with STRN stop filing when they have no activity. Even zero-activity months require Nil filing to keep your STRN active.
• Skipping SECP annual returns: Many company owners assume FBR tax filing is enough. SECP has completely separate annual filing requirements, and non-compliance can result in fines up to Rs. 1 million.
• Applying for STRN before NTN: You cannot get an STRN without first having an active NTN. Always get your NTN first.
• Not updating business information: If your address, directors, or business activity changes, you must update both FBR and SECP records separately.
• Assuming SECP registration covers tax compliance: Registering with SECP does not satisfy any tax obligation. SECP and FBR are completely separate.

📖 Read: Common Income Tax Return Filing Mistakes in Pakistan

Frequently Asked Questions (FAQs)

What is ATL in Pakistan? The Active Taxpayer List (ATL) is a list published weekly by FBR every Monday. It shows all taxpayers who have filed their annual income tax return. Being on the ATL means you are an active filer and qualify for reduced withholding tax rates.

What is NTN in Pakistan? NTN stands for National Tax Number. It is a unique, lifelong tax identification number issued by FBR through the IRIS portal. It is mandatory for all income-earning individuals and businesses in Pakistan. NTN registration is free.

What is STRN in Pakistan? STRN stands for Sales Tax Registration Number. It is issued by FBR under the Sales Tax Act, 1990. Businesses that supply taxable goods or meet the turnover threshold must register for STRN and file monthly sales tax returns.

What does SECP stand for? SECP stands for Securities and Exchange Commission of Pakistan. It is the apex corporate regulatory authority responsible for company incorporation, capital markets, insurance, and NBFCs. It is not a tax authority.

Is ATL the same as NTN? No. NTN is a permanent tax ID issued once by FBR that never expires. ATL is a weekly-updated list showing whether you have filed your annual return. You can have an NTN but still not be on the ATL if you have not filed.

Can I get STRN without NTN? No. You must have an active NTN before you can apply for STRN. NTN is a mandatory prerequisite for all sales tax registration in Pakistan.

Do I need SECP registration before NTN? If you are forming a private limited company or LLP, yes — SECP incorporation comes before NTN, as FBR requires your Incorporation Certificate. Sole proprietors and freelancers apply for NTN directly using their CNIC, without needing SECP.

How do I check my ATL status in Pakistan? Visit e.fbr.gov.pk, click on "Active Taxpayer List (Income Tax)," enter your NTN or CNIC, and click Verify. The result appears instantly. The list is updated every Monday.

Is NTN registration free? Yes, completely free. There is no government fee for NTN registration through the FBR IRIS portal. If you use a consultant, they may charge a service fee.

What happens if STRN is inactive? If you miss three or more consecutive monthly sales tax return filings, FBR can mark your STRN as inactive. You can no longer legally charge or collect sales tax, and your business may face penalties, surcharges, and blacklisting. You must file all pending returns to reactivate.

Can a freelancer get NTN in Pakistan? Absolutely. Freelancers can register for NTN using their CNIC and home address. Getting an NTN and becoming a filer gives freelancers lower withholding taxes, better banking access, and greater credibility with clients.

What is the difference between SECP and FBR? SECP legally creates and regulates companies under the Companies Act, 2017. FBR collects taxes and manages tax compliance under the Income Tax Ordinance 2001 and Sales Tax Act 1990. SECP gives your company a legal identity; FBR gives it a tax identity. Both are mandatory for a fully compliant private limited company.

Conclusion

Let us bring it all together. ATL, NTN, STRN, and SECP are four distinct pillars of Pakistan's business and tax compliance system — and each one serves a specific, non-interchangeable purpose.

Your NTN is your income tax identity, issued once for life by FBR. Your STRN is your sales tax registration, required only if your business deals in taxable goods or services. Your ATL status shows that you are an active filer who files annual returns and enjoys lower tax rates and greater financial credibility. And SECP is the authority that gives your company its legal existence before any tax registration can happen.

If you are starting a business anywhere in Pakistan — whether in Islamabad, Lahore, Karachi, Peshawar, Rawalpindi, or Quetta — understanding and completing each of these registrations is not optional. It is the foundation of being a legitimate, trusted, and financially empowered business.

The good news? Once you understand the system, navigating it is very achievable — especially with the right training.

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📖 Also Read:

• Filer vs Non-Filer in Pakistan
• How to Become a Filer in Pakistan
• Sales Tax vs Income Tax — Complete Guide
• FBR IRIS 2.0 — 2026 Tax Survival Guide

This article is written by the expert team at ICT — Institute of Corporate and Taxation, Pakistan's leading taxation training institute. For professional tax consultation, NTN/STRN registration assistance, or course enrollment, visit ict.net.pk or contact us directly.