Field entry, published 2026-11-03T00:00:00.000Z, updated 2026-11-03T00:00:00.000Z. Group: Major Group 4: Clerical support workers

What work sits in Major Group 4?

Major groupMajor Group 4: Clerical support workers
Skill levelSkill level 2, ISCO-08, ILO
Code ladderGeneral: Major Group 4, then sub-major, minor and unit groups

Classification only, not a job decision

This guide explains how ISCO-08 groups clerical support work. It does not place any reader in a group and it does not assign a code to a particular job.

Major Group 4 holds clerical support work. That means work centred on recording, organising, storing, retrieving and communicating information, and on carrying out clerical tasks that support the work of others. The group is called Clerical Support Workers in ISCO-08, the International Standard Classification of Occupations published by the International Labour Organization, and it sits at skill level 2.

A useful way to picture the group is to follow a piece of information through an office, a counter or a store. Someone receives it, checks it, enters it, files it, passes it on or answers a question about it. When that handling of information is the main character of the job, rather than a small part of a different job, the job is a candidate for Major Group 4. The classification looks at the main tasks and duties, not at a job title, a department name or a software brand.

What ties clerical support work together?

The thread is support through records and communication. Clerical support workers keep the paper trail and the digital trail in order so that decisions, payments, deliveries and services can be traced. Their work often involves forms, registers, files, schedules, correspondence and databases. It also often involves contact with customers, suppliers, colleagues or members of the public, where the contact is about a record, a booking, a payment or a request.

That shared thread matters because it separates Major Group 4 from groups built around other kinds of specialisation. A job that mainly designs, analyses, teaches or treats belongs elsewhere even if it involves some paperwork. A job that mainly makes, repairs or operates machinery belongs elsewhere even if it involves a logbook. In Major Group 4, the record keeping and the clerical service are the work itself, not the background to a different kind of work.

What four broad areas appear inside the group?

ISCO-08 divides Major Group 4 into four sub-major groups, eight minor groups and 29 unit groups. The broad areas can be described in plain terms without assigning a specific unit code here. One area covers general office work, including secretarial support, general correspondence and routine office tasks. A second area covers customer service work at counters, by telephone and through other service points. A third area covers numerical and material recording work, including work with accounts, payroll records, stock records and transport records. A fourth area covers other clerical support work that does not fit neatly into the first three areas.

Broad areaTypical focusExample tasks in plain terms
General office supportKeeping an office runningTyping letters, filing, answering routine enquiries, arranging meetings
Customer serviceServing people at a service pointTaking bookings, handling accounts enquiries, issuing tickets or documents
Numerical and material recordingKeeping numbers and stock records straightEntering invoices, checking stock levels, recording deliveries
Other clerical supportSpecialist clerical routinesLibrary shelving support, mail sorting, survey form handling

The table is a reading aid, not a code list. The formal ISCO-08 structure sits below the major group in sub-major, minor and unit groups, and a detailed placement would need the main tasks of a particular job and the full ILO definitions.

What work is left outside Major Group 4?

Work is left outside when its main tasks belong to a different skill specialisation, even when clerical tasks are present. Professional accounting, for example, involves analysis, judgement and reporting that go beyond routine numerical recording, so it is not clerical support work in this sense. Managing an office, supervising staff or setting policy also moves a job away from clerical support, because direction and decision making become the main work. Similarly, a sales job whose main work is persuading customers and closing sales is not clerical support, even if the seller completes order forms.

A second boundary concerns elementary work. Some routine tasks, such as simple delivery or basic cleaning, do not involve the same range of information handling and are classified elsewhere. The question to ask is always the same: what does the job mainly do, and what knowledge, tools and outputs define that work? If the answer is clerical records and clerical service, Major Group 4 is the right neighbourhood to explore. If the answer is something else, the clerical parts do not pull the job into this group.

How should a reader use this major group?

Start with the main tasks, then work downward. Read the major group description first, then the sub-major and minor group descriptions, then the unit group descriptions, checking at each step whether the tasks still match. A job title alone is a weak guide because the same title can cover different main tasks in different workplaces. A job description, a list of daily tasks and the outputs produced give a stronger basis for comparison.

Clerical support work, then, is the organised handling of information and clerical service that keeps organisations, services and records running. Its four broad areas cover offices, service points, numbers and materials, and the remaining clerical routines. Read the group as a map of that work, check the main tasks at each level, and use the ILO structure as the authority for any finer placement.

Sources checked

  1. ILO, ISCO-08

Back to the Major Group 4: Clerical support workers group or browse all occupations.