Implementation · 6 min read
How to Number Company Assets
Short answer
Use a short, fixed-length number with at most two meaningful prefix segments, never reuse a number, and decide the format before tags are produced.
Numbering is the part of asset tagging that is cheapest to get right and most expensive to change. Once tags are fixed to five thousand items, the convention is effectively permanent.
Four rules that hold up
- Fixed length. Pad with zeros — 0042, not 42 — so numbers sort correctly in every spreadsheet and system.
- Never reuse. When an asset is disposed of, retire its number permanently.
- Limit meaning. One or two prefix segments at most. Anything that can change should not be encoded.
- Leave room. Size the digit count for several years of acquisitions, not for today's count.
What to encode in the prefix
Good prefix candidates are stable: site, campus, department or broad asset category. Poor candidates change constantly: assigned user, exact room, condition, supplier or model.
| Format | Example | Suits |
|---|---|---|
| Plain sequence | 0001 | Smaller registers with one site and one custodian |
| Category prefix | ICT-0001 | Organisations verifying by department |
| Site and category | NRB-ICT-0001 | Multi-site organisations and branch networks |
| Year of acquisition | 2026-0001 | Bodies that report acquisitions by financial year |
A worked example
A college with 1,800 assets across three departments allocates ranges per department in blocks of 2,000: ICT-0001 to ICT-1999, LAB-0001 to LAB-1999, ADM-0001 to ADM-1999. Each department can be counted independently, new items continue the sequence, and no renumbering is needed when a fourth department is added — it simply receives a new prefix.
Before you order tags
- Confirm the highest number currently in use, so a new batch continues rather than collides
- Fix the digit count and prefix segments in writing
- Check the longest possible number fits the tag size and any barcode you plan to include
- Agree who updates the register as tags are applied, and when
A worked example
Suppose an organisation has three sites and five main asset classes. A format such as NBO-ICT-00001 reads as site, class and sequence. The site and class give a reader context at a glance; the five-digit sequence leaves room for a hundred thousand items per class.
| Part | Example | Purpose |
|---|---|---|
| Site | NBO | Where the item was commissioned |
| Class | ICT | What kind of asset it is |
| Sequence | 00001 | Unique number within the class |
Common numbering mistakes
- Too few digits, so the sequence overflows.
- Encoding data that changes, such as the department, so numbers become wrong after a restructure.
- Letting two offices issue numbers from the same range.
- Skipping a written record of which ranges have been issued.
Specifying tags for your own assets?
Send your asset types, quantity and numbering requirements and a quotation is prepared against your specification.