Tool tracking systems: how contractors keep track of tools

Ask a contractor where tools go and the answer is rarely "stolen from the shop." They are left on a job after the crew demobilizes, lent from one crew to another without a word, or sitting broken in the back of a van while someone buys a replacement. Each of those is a custody problem: nobody can say who had the tool last.

A tool tracking system is whatever your company uses to answer that question. It can be a clipboard, a spreadsheet, labels and an app, or trackers that report a position. This guide compares the six common approaches, what each one actually tells you, and how to combine them without paying for more than you need.

What a tool tracking system has to answer

Before comparing technology, be clear about the questions. A tool tracking system is useful when it answers four of them:

1. What do we own? An inventory of every tool worth replacing, with a tag number and a serial number.
2. Who has it now? The person, crew or van responsible for it at this moment.
3. Where is it? The shop, van or job where it is kept or was last seen.
4. When is it due back, and in what condition? A return date, and a check on the way back in.

Most methods are good at one or two of these. Trackers tell you where; a sign-out sheet tells you who. The systems that work in practice pair a custody record with location only where location matters.

Six ways contractors track tools

Sign-out sheets and whiteboards

A printed sheet at the shop door is the oldest system and still the cheapest. One line per tool: date out, tag, who took it, where it is going, due back, and who checked it in. It works when one person runs the shop and the crews respect the clipboard.

It fails when tools move between crews in the field, because those handoffs never reach the sheet, and when you need to know what happened to a tool last spring. Our tool sign-out sheet covers the columns and the rules that make crews actually fill it in.

Spreadsheet inventory

A spreadsheet is the right first step for what do we own. List each tool once with a tag, brand, model, serial number, purchase date, cost and where it is kept. That list is what an insurer, a police report or a warranty claim asks for. Start from our free tool inventory spreadsheet.

A spreadsheet is a poor custody system. When a tool changes hands, someone overwrites the "assigned to" cell and the previous holder disappears. With two or three people editing, the file drifts out of date within weeks.

Barcode or QR labels with custody software

Put a durable label on each tool, and scan it with a phone whenever it changes hands. The software keeps one record per tool with its current holder, location, return date and every past handoff, along with repairs, warranty and cost.

This is the backbone most contractors end up with, because it answers three of the four questions with cheap hardware: a label costs cents, and the phones are already in the crews' pockets. Its weakness is discipline. A tool that moves without a scan is recorded wrong, so the scan has to be part of how tools leave the shop and come back. Barcode asset tracking explains the scanning workflow in more detail.

Bluetooth tags

Bluetooth tags report where a tool was last seen by a compatible phone. Milwaukee's ONE-KEY tag provides "location updates when it comes within 300 feet of any device with the ONE-KEY™ App, providing the last seen date, time, and location". DeWalt's Tool Connect tag works within about 100 feet of a Tool Connect device and reports the street address where the asset was last in range, with out-of-range alerts for possible theft, according to DeWalt's product page.

Bluetooth is good at finding a tool that is somewhere on a job site or left at the last address. It does not tell you who has a tool, and "last seen" depends on a phone with the right app passing within range. Each ecosystem is tied to its own app.

Consumer trackers such as AirTags are a poor fit for company tools. Apple's guidance says they "should not be used to track property that does not belong to you," and an AirTag separated from its owner and moving with someone else triggers a tracking alert on that person's phone. A tech carrying a company drill would get those alerts.

GPS trackers

GPS trackers report a position over a cellular network, so they work anywhere with coverage and do not depend on a phone passing by. They need power and a data plan, and they are too bulky and expensive for most hand and power tools. They earn their place on generators, compressors, trailers, light towers and other equipment that is valuable, mobile and left on site. Our GPS tool tracking guide covers where the line falls.

RFID, smart lockers and vending

RFID readers and portals record tagged items passing through a doorway, and smart lockers or vending machines release tools to a badge. They suit high-volume tool cribs and plants where tools leave through one controlled point. For a contractor whose tools live in vans and on job sites, the infrastructure rarely pays for itself. RFID asset tracking sets out the costs, and the tool crib guide covers running a controlled store.

Match the method to the tool

Tracking every tool the same way is how companies overspend. Sort tools into tiers instead:

The custody record is the common layer. Location technology answers a narrower question, and only for the tools where that question costs you money.

The rules that make any system work

Technology does not fix a process nobody follows. Whichever method you choose, these rules do most of the work:

• Tag everything you would replace. A tool without a number cannot be signed out reliably.
• Name a person on every handoff. "The crew" is not a custodian.
• Always set a return date. A tool with no due date is never overdue, so nobody chases it.
• Check tools in, not just out. Inspect on return and pull damaged tools before they go back on the shelf.
• Sweep the job before you leave it. List every tool assigned to the job and get each one back to the shop or into a van.
• Review open handoffs weekly. Chase overdue tools while people still remember where they left them.
• Collect tools when people leave. Exit is the moment tools disappear for good.

Rolling it out in a small company

A five-truck contractor does not need a project plan. A workable sequence:

1. Build the list. Put every tool worth replacing in the tool inventory spreadsheet, with serial numbers.
2. Tag the tools. Print durable QR or barcode labels with the same tag numbers.
3. Start a sign-out sheet at the shop door for shared tools.
4. Move the record into software once more than one person hands out tools, or when you need a tool's history for a warranty claim or theft report.
5. Add trackers last, and only to the tools in the first tier.

How AssetCenter fits

AssetCenter is a custody record for individually tagged tools. Each tool has its own record and timeline. Techs scan a tool's QR or barcode label with a phone to open it, then assign it to a person and a van or job; adding a return date makes it a loan that shows as Due Back until it is returned. Repairs, warranties, purchase cost and your own events, such as calibration, sit on the same timeline. Vans, the shop and each active job are locations, so you can open one and see every tool in it. See tool tracking software for contractors.

Optional GPS tracking adds reported positions for compatible trackers on equipment that justifies one. AssetCenter does not read Bluetooth tags such as ONE-KEY or Tool Connect, does not count consumables, and does not send overdue reminders on its own; a dated to-do assigned to a supervisor is the closest equivalent.

Frequently asked questions

What is the best way to keep track of tools?

For most contractors: tag every tool worth replacing, record each handoff against a named person with a return date, check tools in on return, and review open handoffs weekly. Add Bluetooth or GPS trackers only on tools that are expensive or regularly left on site.

Can I use AirTags to track company tools?

They are designed for personal belongings. Apple says they should not be used to track property that does not belong to you, and a tagged tool carried by an employee will trigger tracking alerts on that employee's phone. Brand tool-tracking tags or GPS trackers are built for the job.

Do I need GPS on every tool?

No. GPS needs power and a data plan per device and is too large for most tools. Use it on generators, trailers and similar equipment, and rely on tags and a custody record for the rest.

How much does a tool tracking system cost?

A sign-out sheet and spreadsheet cost nothing but discipline. Labels cost cents each. Software is usually a monthly subscription that scales with the number of tools, and trackers add a device cost and, for GPS, a monthly data plan per device.

Next step: build the list and start signing tools out

Put every tool worth replacing in the tool inventory spreadsheet, tag it, and start the tool sign-out sheet at the shop door. When more than one person is handing tools out, compare tool tracking software for contractors.

By Jeremy Francis

Founder & CEO, AssetCenter