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Saudi Arabia SSIC Group 421: Construction of roads and railways

Saudi Standard Industrial Classification (SSIC 2026)
Classification Level: Group | Official Code: 421

Executive Summary & Classification Scope

SSIC code 421 designates Construction of roads and railways (إنشاء الطرق وخطوط السكك الحديدية) under the official Saudi Standard Industrial Classification (January 2025 / 2026 Edition, based on UN ISIC Rev. 4) administered by the General Authority for Statistics (GASTAT).

It serves as the mandatory regulatory benchmark for Commercial Registration (CR) with the Ministry of Commerce, MISA foreign investment licensing (allowing up to 100% foreign equity ownership), municipal permits on the Balady portal, and Nitaqat Saudization quota determinations by MHRSD.

Key Classification Facts

ParameterOfficial Value
Saudi SSIC Code421
Official Title (EN)Construction of roads and railways
Official Title (AR)إنشاء الطرق وخطوط السكك الحديدية
Classification LevelGroup
Section CategorySection F — Construction
Parent Entity Code42 — Civil engineering
Supervisory AuthorityMinistry of Commerce / Standard Sectoral Regulator
Licensing EntityBalady / Sector Ministry
Standard CustodianGeneral Authority for Statistics (GASTAT)
Edition / VersionSSIC 2025 / 2026 Edition

Sub-Classes in Group 421 (1)

CodeTitle (EN)Title (AR)Details
4210Construction of roads and railwaysإنشاء الطرق وخطوط السكك الحديديةView Code 4210 →

Official 6-Digit Activity Codes in Group 421 (6 Codes)

Below are official economic activity codes registered under Group 421 for Commercial Registration (CR) and municipal licensing in Saudi Arabia:

6-Digit SSIC CodeOfficial Activity Title (EN)Official Activity Title (AR)Details
421010Construction of motorways, streets, roads, other vehicular and pedestrian waysإنشاء الطرق والشوارع والارصفة ومستلزمات الطرقView Activity 421010 →
421020Construction of bridges or tunnelsإنشاء الجسور والانفاقView Activity 421020 →
421030Construction of railways and subwaysإنشاء خطوط السكك الحديديةView Activity 421030 →
421040Construction of airstripsإنشاء مهابط الطائراتView Activity 421040 →
421051Repair and maintenance of motorways, streets, roads, other vehicular and pedestrian waysإصلاح وصيانة الطرق والشوارع والأرصفة ومستلزمات الطرقView Activity 421051 →
421052Repair and maintenance of bridges or tunnelsإصلاح وصيانة الجسور والأنفاقView Activity 421052 →

Regulatory & Business Setup Use Cases in Saudi Arabia

  1. Ministry of Commerce (MC): Required on your Saudi Commercial Registration (CR) to legally define the company’s business activities.
  2. Ministry of Investment (MISA): Determines eligibility for 100% foreign-owned investment licenses and capital requirements. See our MISA Licensing Guide.
  3. ZATCA Taxation & Zakat: Activity categorization for Corporate Income Tax (20%), Zakat (2.5%), and 15% VAT filing rules. See our ZATCA Tax Guide.
  4. MHRSD / Qiwa (Nitaqat Quotas): Determines the required percentage of Saudi national employees. Check our Nitaqat Saudization Guide.
  5. Balady Municipal Licensing: Establishes commercial shop, office, and warehouse zoning compliance.

Compliance & Regulatory Risk Assessment

Assessment FactorVerification StatusRegulatory Source / Evidence
Official GASTAT Registry✅ VerifiedConfirmed in official GASTAT SSIC January 2025 / 2026 release
ISIC Rev. 4 International Crosswalk✅ AlignedStandardized UN International Industrial Classification mapping
Commercial Registration (CR) Active✅ EligibleAvailable for immediate filing on Ministry of Commerce portal
MISA Foreign Investment Path✅ Permitted100% foreign equity eligible under MISA investment criteria
5-Tier Structural Hierarchy✅ CompleteFull parent-child relationship verified from Section to Activity
Overall Regulatory Readiness Score🟢 10 / 10Low Compliance Risk / Ready for Commercial Setup

Frequently Asked Questions (FAQ)

1. What does Saudi SSIC code 421 cover?

SSIC 421 covers Construction of roads and railways (إنشاء الطرق وخطوط السكك الحديدية) under Saudi Arabia’s official industrial classification system.

2. Which authority regulates activities under SSIC 421?

Activities under this code fall under the supervision of the Ministry of Commerce and respective sectoral regulators.

3. Can international investors establish a business with code 421?

Yes. In most sectors, the Ministry of Investment (MISA) permits 100% foreign equity ownership. Refer to our MISA Guide for full requirements.

4. How does SSIC 421 affect my company’s Nitaqat rating?

MHRSD calculates your Saudization tier based on your primary SSIC activity registered on your Commercial Registration.

Official Source Attribution & Disclaimer

Primary Data Source: General Authority for Statistics (GASTAT) — National Classification for Economic Activities.

Commercial Portal: Ministry of Commerce (MC)

This page is an independent reference resource. Cross-verify critical licensing details on official government portals before filing commercial applications.