Call Centers and BPOs SRB Registration Services
Get professional assistance with Sindh Revenue Board (SRB) registration, Sindh NTN issuance for call centers, BPOs, customer support businesses, contact centers and telemarketers operating in the Province of Sindh.
The telecom sector including call centers contributed Rs. 21.5 billion during the FY 2023-24.
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Why Choose ConSerIC Accountants
ConSerIC Accountants is trusted by BPOs operating across Karachi and Sindh Province for hassle-free SRB registration.
Here’s why:
Understanding of the Sector: We understand the practical differences between call centers, BPOs and other outsourcing services providers.
Registration to Compliance: We assist beyond registration and help businesses remain compliant.
Fast Communication: Quick response through WhatsApp and email.
Clear Pricing: Transparent pricing with no surprise charges.

Why Call Centers Require SRB Registration
Business Process Outsourcing providers operating in Sindh Province require SRB registration. The Sindh Services sales tax framework has special rules for this sector.
Whether you provide:
- Telemarketing
- Back office support
- Business process outsourcing
- Remote customer care
- Digital moderation
- Data entry
- Technical support services
- Remote staffing
It is important to determine the correct SRB tax rate treatment before issuing invoices or filing returns.
Our SRB Registration Solutions for call centers
We are helping the sector in their registration in Sindh Services Sales Tax.
Review of your business activities
Submission of registration application
Approval of SRB for your registration.
Guidance on invoicing, record keeping and filing requirements.
We have Helped BPO Sector
Call Centers
BPOs Companies
Customer Support Operations
Technical Support Centers
Telemarketing Companies
Back Office Service Providers
Outsourcing Companies
Contact Centers
Voice Process Companies
Non-Voice Process Companies
Documents Requirements
To register for Sindh Services Sales Tax, you’ll need the following:
CNIC and contact details of the business owner.
Business NTN.
Valid business address (with rent agreement or ownership proof).
Utility bill (within last 3 months).
Details of provided services.
Business bank account information.
Personal email and phone number (registered under owner’s CNIC).
How SRB Registration Process works
Here’s how we help you stay compliant with SRB:
Step 1: Documents preparation
Step 2: Account creation
Step 3: Completing the registration
Step 4: OTP verification
Step 5: E-enrollment with SRB portal
- Step 6: SRB registration number (Sindh NTN) issuance
Avoid SRB Penalties
Failure to register when registration is required may result in penalties and compulsory registration action under the Sindh Sales Tax on Services Act 2011.