Engineering Consultancy Under SAC Code 998331

Engineering Consultancy Services help businesses plan, design and execute projects in a safe and efficient way. In day to day work, clients engage these services for concept plans, detailed designs, technical reviews and on site support so that projects run smoothly and meet required standards.

SAC 998331 is used when the main work relates to expert engineering advisory services for planning, design, and execution support It covers professional involvement from early planning through to implementation support, depending on the scope agreed in the contract.

In practice, assignments under this code often touch areas like engineering advisory services. Using SAC 998331 correctly under GST helps both consultants and clients keep invoices clear and technical scope linked properly to tax treatment.

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998331 SAC Code GST Rate

Review old and new GST rates for Engineering Consultancy under 998331 SAC Code.

From a GST angle, engineering consultancy services are treated as supply of services. The taxable value usually includes professional fees, design charges, review fees, success fees and any reimbursable costs that are billed as part of the same engineering assignment.

After the September 2025 GST revision, most engineering and technical consultancy services that do not have any special notification continue under the standard 18% slab. Registered business clients can usually claim input tax credit when these services are used for making taxable supplies or for running their business, subject to normal ITC conditions.

The table below summarises the latest standard GST rate for SAC code 998331.

SAC Code

998331

Description

Engineering advisory services

New Rate

18 %
Standard

Old Rate

18 %

Notes

Engineering advisory is consistently shown at 18% GST under heading 9983 in SAC lookups and engineering-service GST notes. No rate change has been notified; it continues as a standard 18% professional service.

In practice, firms that provide engineering consultancy services should apply 18% GST on the taxable value, quote SAC 998331 on their tax invoices and follow the same classification in their GST records so that billing, cost control and input tax credit remain easy to track.

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Explore More SAC Codes Under 9983

Practical Classification Guidance

When selecting a code from the 9983 group, service providers should choose the SAC that best describes their primary service, whether it is engineering consultancy services or another focused engineering discipline. Using the correct six digit SAC and GST rate in % keeps proposals, work orders and GST returns aligned for both the consultant and the client.

Conclusion

SAC 998331 is meant for engineering consultancy services where specialised technical input is provided in return for professional fees. These services are generally taxed at 18% under GST, with ITC normally available to eligible registered recipients when the services are used for their taxable business. By using SAC {code} consistently and charging the correct GST rate in %, engineering firms and their clients can keep documentation, billing and GST compliance neat and easy to support during reviews.

Frequently Asked Questions

Clear answers to common queries about SAC Code 998331 and GST compliance.

What does SAC code 998331 cover in GST?

SAC 998331 covers general engineering advisory and consulting services for planning, design and execution support. It includes structural advice, MEP guidance, feasibility studies, design checks and technical opinions given by engineers for various types of projects before and during detailed engineering and construction stages.

Does SAC 998331 include engineering advisory services for planning, design and execution support?

Yes. Services like preliminary engineering studies, design vetting, value engineering, technical due diligence and site advisory visits are usually classified under SAC 998331. These services support architects, developers and contractors in choosing safe, economical and technically sound solutions for their buildings, plants or infrastructure projects.

What GST rate applies to engineering consultancy under SAC 998331?

Engineering consultancy under SAC 998331 is generally taxed at 18%. GST is charged on retainers, project based fees and one time review assignments. In some cases, cross border projects may qualify as export of services, subject to place of supply and payment conditions laid down in GST law.

Should structural and MEP consultants bill their fees using SAC 998331?

Where the work is mainly advisory, calculations, design checks or technical reports without full responsibility for entire building engineering, using SAC 998331 is common. If the consultant takes full design scope for specific building systems, more detailed codes like 998332 or related codes may sometimes be more appropriate.

Can companies claim ITC on GST paid for SAC 998331 services on their projects?

Businesses and developers can usually claim ITC on SAC 998331 services when projects create or support taxable activities, such as factories, offices or rental spaces with GST. If engineering advisory relates to exempt activities, credit may need apportionment or reversal based on standard GST input tax credit rules.

Important Disclaimer

The above does not constitute professional advice or a formal recommendation. We recommend consulting a professional tax consultant before acting on the information contained in this piece of content.