GST Rate for Contractors in India: Work Type-Based Tax
- Contractors in India are taxed under GST, which affects billing and project costs, with rates varying by service type.
- The GST rate for civil construction, labour-only contracts, and sub-contracts is 18%, but government infrastructure projects may have a 12% rate.
- Contractor bills must include service description, SAC code, taxable value, GST rate, and tax breakdown (CGST/SGST/IGST).
- Contractors can claim Input Tax Credit on materials, tools, sub-contractor services, and other professional services if the project is taxable.
- GST for government contractors is 12% for infrastructure projects and 18% for commercial buildings, with specific exemptions possible.
Contractors play a key role in construction, infrastructure, and public works. Whether you’re a private builder or working with the government, GST directly affects your billing, compliance, and project cost. This blog explains the gst rate for contractors, how it varies by service type, and what to include in a contractor’s bill.
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Who Is a Contractor Under GST?
Under Goods and Services Tax (GST) , a contractor is any person or company providing construction, repair, fabrication, or related services, either to:
- Private clients
- Builders or developers
- Government departments
Contractor services are treated as “works contract services”, especially when they involve both labour and material supply.
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New GST Rate on Civil Contractor Services in India
The Government of India is updating GST rates effective after 22 Sep 2025. Below are the expected new GST rates for civil contractor services (no compensation cess).
New GST Rate of Civil Contractor Services
| Type of Contractor Work | SAC Code | New GST Rate |
|---|---|---|
| Civil construction (buildings, roads, bridges) | 9954 | 18% |
| Labour-only contract | 9985 | 18% |
| Sub-contracts under main contractor | 9954 / 9985 | 18% |
Type of Contractor Work
SAC Code
New GST Rate
Type of Contractor Work
SAC Code
New GST Rate
Type of Contractor Work
SAC Code
New GST Rate
Old GST Rate of Civil Contractor Services
(Old GST Rates – Applicable Until 21st September)
| Type of Contractor Work | SAC Code | GST Rate |
|---|---|---|
| Civil construction (buildings, roads, bridges) | 9954 | 18% |
| Labour-only contract | 9985 | 18% |
| Sub-contracts under main contractor | 9954 / 9985 | 18% |
Type of Contractor Work
SAC Code
GST Rate
Type of Contractor Work
SAC Code
GST Rate
Type of Contractor Work
SAC Code
GST Rate
GST on Labour Contractor
The gst on labour contractor is 18%, applicable when:
- You supply labour to another contractor or project
- You charge for manpower with or without supervision
- The labour is not hired as an employee but billed through invoice
GST on Government Contractors
| Nature of Work | GST Rate | Comments |
|---|---|---|
| Works contract for Central/State Government | 12% | If for infrastructure or non-commercial use |
| Works contract for commercial government buildings | 18% | Includes offices, housing, etc. |
| Labour contract for government projects | 18% | Unless specifically exempted |
Nature of Work
GST Rate
Comments
Nature of Work
GST Rate
Comments
Nature of Work
GST Rate
Comments
GST on Contractor Bill: Components to Include
- Description of service
- SAC code (e.g., 9954 for construction)
- Taxable value (labour + material or labour-only)
- GST rate (12% or 18%)
- CGST + SGST or IGST breakdown
- Total invoice amount
If you’re billing the government or another registered under GST entity, use their GSTIN and mention if the tax is under forward charge or Reverse Charge Mechanism (RCM) .
Input Tax Credit for Contractors
Contractors can claim Input Tax Credit on:
- Raw materials (cement, steel, sand)
- Tools and machinery
- Sub-contractor services
- Transportation and logistics
- Professional services (consulting, architect)
As long as the project is taxable under GST, you can offset your input GST against your output tax liability.
Conclusion
Understanding the gst rate for contractor services helps in correct billing, better project pricing, and smooth compliance—whether you’re building a home, managing labour, or working on a government project
