71129

Engineering design and consultancy activities n.e.c.

This sub-class includes engineering design and consultancy activities not elsewhere classified. Engineering services refer to engineering design, engineering technical services (e.g., feasibility analysis), engineering technical consultancy services (i.e., engineering principles and methods), engineering project development and/or management.

SSIC hierarchy ISIC class Crosswalks

Level

final

Mapped ISIC codes

Source

SingStat

In this section: sibling codes

class 7112 Engineering Design and Consultancy Activities final 71121 General building engineering design and consultancy services final 71122 Process and industrial plant engineering design and consultancy services final 71123 Engineering design and consultancy services in energy management and clean energy systems final 71124 Environmental engineering design and consultancy services (except clean energy) final 71125 Infrastructure engineering design and consultancy services

Official data

Official name	Singapore Standard Industrial Classification (SSIC 2025)
Issuing authority	Department of Statistics Singapore (SingStat / DOS)
Tax authority	Inland Revenue Authority of Singapore (IRAS) (IRAS)
Purpose	Mandatory at ACRA business/company registration; used by IRAS, MOM, EDB, SingStat
Active version	SSIC 2025 (15 Apr 2025)
Hierarchy level	Sub-class (5-digit) (final leaf)
Source	https://www.singstat.gov.sg/standards/standards-and-classifications/ssic
Prior versions	SSIC 2020, SSIC 2015

Hierarchy context

N→71→711→7112→71129 Engineering design and consultancy activities n.e.c.

Parent class

7112 Engineering Design and Consultancy Activities

Parent division

71 ARCHITECTURAL AND ENGINEERING ACTIVITIES; TECHNICAL TESTING AND ANALYSIS

Parent section

N PROFESSIONAL, SCIENTIFIC AND TECHNICAL ACTIVITIES

Correspondence tables

SSIC 2020

71129 — Engineering design and consultancy activities n.e.c.

ISIC Rev. 5

7110 Architectural and engineering, and related technical consultancy activities

ISIC crosswalk

ISIC Rev. 5 class 7110 Architectural and engineering, and related technical consultancy activities Open ISIC class page with reverse SSIC links. Full table SSIC 2025 to ISIC Rev. 5 Open the full correspondence table.

Alphabetical index entries

Principal Title 71129 Engineering design and consultancy activities n.e.c. Alternative Title 71129 Aeroplane engineering design service Alternative Title 71129 Aerospace engineering design Alternative Title 71129 Air transport equipment engineering design service Alternative Title 71129 Airplanes engineering design Alternative Title 71129 Boats engineering design

Data source: Department of Statistics Singapore (SingStat / DOS) (https://www.singstat.gov.sg/standards/standards-and-classifications/ssic). Official SSIC 2025 classification workbook.

Last data refresh: 15 Apr 2025. Classification version: SSIC 2025.

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