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Third-Party Inspection in Pakistan: How Independent QC Actually Works

Third-party inspection in Pakistan: the three tests of independence, ISO/IEC 17020 vs 17025, the eight stages and when to book them, and how to check a body.

Line drawing of a buyer office, an inspection report under a lens and a separate factory, labelled Independent

A third-party inspection passes three tests: the buyer places and pays for the contract, the inspector has no commercial tie to the supplier, and the inspection body is accredited to ISO/IEC 17020. If any one is missing, the report is the supplier's evidence, not the buyer's.

For most orders from Pakistan, three stages cover the main risks: during-production inspection at 30 to 60 percent of production, pre-shipment inspection once goods are 100 percent packed, and loading supervision at stuffing. Each answers a question the others can't, and buying one while expecting all three is the most common programme error.

Three tests decide whether an inspection is independent

A factory's own inspector is paid by the factory and reports to its management. However competent, that work is not independent evidence, and the conflict exists even when nobody behaves badly.

  • Who holds the contract. The buyer books and pays. A check the supplier arranges and pays for reports to the supplier.

  • No commercial tie. The inspection body does not consult for, train or sell to the factory it inspects.

  • Accreditation. A national accreditation body has assessed the inspection body against ISO/IEC 17020, so its competence is checked by someone other than itself.

Many buyers rely on arrangements that fail at least one test: a warehouse check arranged by the supplier, a "QC passed" certificate from the producing unit, or a video walkthrough filmed by the factory. Each gives information. None is independent.

Ask for ISO/IEC 17020 for inspection, 17025 for testing and 17065 for certificates

Each standard accredits a different kind of body, and each body can only issue its own kind of document. A buyer who asks for the wrong one gets a document about something else.

Standard

What it accredits

What the body issues

Tti accreditation

ISO/IEC 17020

Inspection bodies

Inspection reports on goods, processes or sites

Tti Inspections Pvt Ltd, PNAC IB-006, valid 13 Sep 2024 to 12 Sep 2027

ISO/IEC 17025

Testing and calibration laboratories

Test reports for specific methods

Tti Labs, PNAC LAB-022, valid to 8 Aug 2027

ISO/IEC 17065

Bodies certifying products, processes and services

Certificates of conformity

Not held; certification is a separate appointment

A supplier asked for "ISO certification" will often show an ISO 9001 certificate. That proves the supplier runs a quality management system. It says nothing about whether an independent body examined the goods. And when a buyer needs a composition or performance result, the laboratory's ISO/IEC 17025 scope has to list the specific method.

How to check an inspection body in five minutes

  • Find it on the register. PNAC publishes the active inspection bodies register, with each body's certificate number and validity dates. It listed 10 accredited inspection bodies on 3 Nov 2026.

  • Check the dates. An expired or suspended accreditation drops off the active list. Match the certificate number on the report to the register.

  • Read the scope. The accredited scope names the product groups and inspection types covered. Advertising names categories; the scope names what was assessed.

  • Check international recognition. PNAC has signed the ILAC Mutual Recognition Arrangement for testing since 21 May 2009 and for inspection since 22 Aug 2019, so its accreditations are recognised by the other signatory accreditation bodies.

  • For US children's products, check the lab too. Third-party testing has to come from a laboratory listed in the CPSC laboratory search.

  • Ask for a sample report. It should show the sampling basis, photographs and measurements, not only a verdict.

Each inspection stage answers a question the others can't

Stage

When

The question it answers

Sample picking

About 10 percent of production

Do the samples sent for testing represent the bulk?

Pre-production inspection

Before manufacturing begins

Are materials, components and setup ready, and is the specification understood?

Initial production inspection

About 10 to 20 percent

Is the first output to specification?

During-production inspection

About 30 to 60 percent

Is the running lot drifting, while it can still be corrected?

Pre-final inspection

About 60 to 80 percent

Is the lot heading for a pass or a fail?

Pre-shipment inspection

Goods 100 percent packed

Does the lot meet the order under AQL sampling?

Full check

Every unit

Does every piece meet the requirement?

Loading supervision

At stuffing

What was loaded, in what condition, under which seal?

Windows differ between bodies. QIMA runs its during-production check once 20 percent of the order is produced. Cotecna requires at least 80 percent of an order to be export-packed before its final random inspection. SGS offers the same family of stages. Agree the window in the booking, not on the day.

The limits are structural. A pre-shipment inspection can't show whether material changed mid-run, because the whole lot is already made. A during-production inspection can't confirm carton quantities, because packing hasn't finished. Loading supervision sees what goes into the container, not workmanship across the lot. A factory audit answers a different question again: can this supplier produce reliably at all?

Which stages to book

Situation

Stages to book

New supplier or first order

Factory audit, pre-production, during-production, pre-shipment, loading supervision

Repeat supplier with a clean record

Pre-shipment and loading supervision

Long run or tight delivery date

Add during-production, so a fix is still possible

Order with a known defect history

During-production and pre-final, or a full check on the affected style

Regulated product, such as children's wear or PPE

Accredited lab testing on picked samples, plus the inspections above

Book against the production schedule, not the ship date. Inspector capacity tightens when a sourcing season converges on one export window. The pre-shipment inspection guide shows the AQL sample sizes and pass limits.

Only loading supervision confirms what went into the container

Loading supervision is the stage buyers drop most often. Its scope is narrow: container condition before stuffing, witnessed loading, carton marks and labels checked as they are stowed, quantity and assortment against the packing list, and the seal applied and recorded at the end.

Goods can pass pre-shipment inspection and still be loaded short, into a damaged container, or without the seal record the buyer's terms require. None of that shows in an inspection that finished before the container arrived. The container loading supervision guide covers the checks.

Turnaround and the report: fix both in the contract

A report delivered after the ship date has no decision attached to it. QIMA puts an inspector on site within 48 hours of booking and reports the same day. SGS states it has more than 2,000 consumer goods inspectors worldwide. Tti Labs publishes booking within 24 hours and the report within 24 hours of the inspection finishing.

A report a buyer can act on contains:

  • The sampling basis: inspection level, AQL values, lot size and sample size

  • Which cartons were opened, by carton number

  • Each defect found, classified critical, major or minor, with photographs

  • Measurements against the size chart or specification

  • Quantity and packing findings

  • A pass, fail or hold result, and the accreditation number of the inspection body

A report that arrives on time without photographs or a sampling basis costs the buyer as much as a late one.

What an inspection does not do

An inspection verifies the goods presented on the day against a written specification. It does not audit the supplier's management system, guarantee future production, or hand any part of the buying decision to the inspection body. The report is evidence, used alongside laboratory testing.

It also can't make up for a specification that was never written. If the purchase order states no tolerances, no defect definitions and no packing requirements, the inspector has nothing to measure against.

How Tti Labs inspects and tests

Both accreditations are held under the Pakistan National Accreditation Council within one group, so a question raised during an inspection can go straight into a test report without a change of supplier.

  • Inspection through Tti Inspections Pvt Ltd under ISO/IEC 17020, PNAC certificate IB-006, valid to 12 Sep 2027, listed on the PNAC active inspection bodies register.

  • Laboratory testing through Tti Labs under ISO/IEC 17025, PNAC LAB-022, with analytical testing services. The lab is CPSC accepted and listed in the CPSC laboratory search as Textile Testing International, lab ID 1168.

  • The full eight-stage softlines cycle, from sample picking to loading supervision, so a programme can be built stage by stage.

  • Certification support where a programme needs it, including CE and UKCA marking facilitation with Notified Bodies and ZDHC MRSL conformance at Level 1 and Level 2.

  • Offices in Lahore, Karachi, Faisalabad and Sialkot.

  • The full list of approvals on the accreditations page.

Tti Labs reports what is true about the goods it examines, including when the finding is inconvenient for the order. It does not certify a supplier, and it does not issue a compliance guarantee.

Book an independent inspection with Tti Inspections Pvt Ltd. UAN 111 786 001. ISO/IEC 17020 accredited, PNAC certificate IB-006.

Related guides: Lab Testing for Pakistan Exports: What Buyers Need to Verify, Petroleum Inspection and Testing in Pakistan: Quantity and Quality.

FAQ

What is third-party inspection?

Independent verification of goods or production by a body with no commercial tie to the supplier, contracted and paid by the buyer, and accredited to ISO/IEC 17020 for the inspection work it does.

How can a buyer check that an inspection company in Pakistan is accredited?

Look it up on the Pakistan National Accreditation Council's active inspection bodies register, match the certificate number and validity dates to the report, and read the accredited scope. PNAC is a signatory to the ILAC Mutual Recognition Arrangement for inspection, so its accreditations are recognised internationally.

DUPRO or pre-shipment inspection: which should a buyer book?

Both, if the programme can carry it. During-production inspection catches drift while correction is still cheap. Pre-shipment inspection decides whether the packed lot meets the order under AQL sampling. Neither replaces the other.

Is a supplier's ISO 9001 certificate enough?

No. ISO 9001 shows the supplier runs a quality management system. It is not an inspection of the goods, and it is issued to the supplier, not to the buyer.

How fast is third-party inspection reporting?

It varies by body. QIMA states an inspector on site within 48 hours and a same-day report; Tti Labs publishes booking within 24 hours and the report within 24 hours of the inspection. In peak season, the booking window, not the report, is usually the binding constraint.

References

  1. During-production inspection (DUPRO), QIMA, https://www.qima.com/consumer-products/during-production-inspection

  2. Product inspection services, SGS, https://www.sgs.com/en/services/product-inspection

  3. Inspection services, Cotecna, https://www.cotecna.com/en/services/consumer-products/inspection

  4. ISO/IEC 17065:2012, Requirements for bodies certifying products, processes and services, ISO, https://www.iso.org/standard/46568.html

  5. Active inspection bodies register, Pakistan National Accreditation Council, https://www.pnac.gov.pk/index.php/Accredited-Cabs-serve/Inspection-Bodies/Active

  6. ILAC MRA signatory search: PNAC, International Laboratory Accreditation Cooperation, https://ilac.org/signatory-search/

  7. Accreditation scope LAB-022 (ISO/IEC 17025:2017, valid to 8 Aug 2027), Pakistan National Accreditation Council, https://pnac.gov.pk/pdfFiles/LAB-022

  8. CPSC accepted laboratory search, U.S. Consumer Product Safety Commission, https://www.cpsc.gov/cgi-bin/labsearch/

  9. Inspection services, Tti Labs, https://www.ttilabs.net/inspection

  10. Analytical testing services, Tti Labs, https://www.ttilabs.net/testing

  11. Certification services, Tti Labs, https://www.ttilabs.net/certification

  12. Accreditations, Tti Labs, https://www.ttilabs.net/accreditations

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