Construction Site Attendance Register: What to Record and How QR Sign-In Works
Guide
A construction site attendance register should make it easy to answer a simple question: who was on site and when? Learn what to record, where paper sign-in falls short and how QR sign-in can simplify attendance across your projects.
Updated
25 October 2026

Construction Site Attendance Register: What to Record and How QR Sign-In Works

Knowing who was on site sounds simple.
On a busy construction project, it quickly becomes harder.
Workers arrive at different times. Subcontractors move between projects. Visitors come and go. Someone forgets to sign out. A paper register gets put into a folder and months later someone needs to work out who was actually there.
A construction site attendance register creates a record of who attended a site, when they arrived and when they left.
Done properly, it becomes more than a sign-in sheet. It becomes part of the site's daily record.
What is a construction site attendance register?
A construction site attendance register records the people who enter and leave a construction site.
Depending on the project, this may include:
Employees
Subcontractors
Labour hire workers
Site managers
Consultants
Visitors
Other authorised personnel
At its simplest, the register provides a historical record showing who was present on a particular day.
For construction teams, that information can also support site diaries, workforce records, incident reviews and project reporting.
What should a construction site attendance register record?
You do not need to make an attendance register unnecessarily complicated.
The core information is usually:
Worker name
Company or subcontractor
Site or project
Date
Sign-in time
Sign-out time
Depending on how your business operates, you may also want to record the person's role, trade or visitor type.
The important part is consistency.
If every person entering the site follows the same process, you create a much more useful record than relying on supervisors to reconstruct attendance later.
Example construction site attendance register
A basic register might look like this:
Worker | Company | Sign In | Sign Out | Time on Site |
Jack Smith | ABC Electrical | 7:02 am | 3:41 pm | 8h 39m |
Sarah Jones | Jones Plumbing | 7:18 am | 2:56 pm | 7h 38m |
Tom Wilson | BuildCo | 6:51 am | 4:03 pm | 9h 12m |
A paper sheet can capture this.
The problem usually starts when you need to do something with the information afterwards.
The problem with paper construction site sign-in sheets
Paper registers are easy to introduce because everyone understands them.
Put a clipboard near the entrance and ask people to write their name down.
But paper creates several practical problems.
Handwriting can be difficult to read
A record is not particularly useful if you cannot determine who signed it.
People forget to sign out
The site may have a record of someone arriving without any reliable indication of when they left.
Historical records are difficult to search
Finding out who was on site three months ago can mean going through folders or archived paperwork.
Information becomes disconnected
Attendance may sit on one sheet while the site diary, safety records, photos and notes live somewhere completely different.
Multiple projects create more administration
The more sites you operate, the more individual sheets and records someone needs to manage.
Paper works well as a form.
It works less well as a system.
How QR code construction site sign-in works
QR sign-in replaces the physical attendance sheet with a digital entry point.
The process can be simple.
1. Give the site its own QR code
Place the QR code somewhere workers can easily access when arriving on site.
2. The worker scans the QR code
They use their phone to open the site's sign-in process.
3. The worker checks in
Their attendance is recorded digitally against that project.
4. The worker signs out when leaving
Their departure can then be recorded against the same visit.
Instead of creating another sheet of paper, the site builds a searchable attendance history as people come and go.

Does QR construction sign-in require an app?
It does not have to.
A browser-based QR workflow can allow a worker to scan the code using their phone and complete the process without downloading another application.
That matters on construction sites.
A subcontractor who works across multiple builders should not necessarily need to install a different application for every site they visit.
The easier the sign-in process is, the easier it is to make it part of the normal arrival routine.
Paper vs digital construction attendance registers
Requirement | Paper Register | Digital QR Sign-In |
Initial setup | Simple | Simple |
Worker details | Handwritten | Digital |
Search old records | Manual | Searchable |
Multiple sites | Separate records | Centralised |
Time calculations | Manual | Can be calculated |
Readability | Depends on handwriting | Consistent |
Reporting | Manual | Digital |
Connection to other site records | Limited | Can be linked |
Digitising attendance is not valuable simply because paper has been replaced by a screen.
The value comes from what becomes possible once attendance is structured data.
Attendance records become more useful when connected to the site diary

Attendance tells you who was there. A site diary tells you what happened.
Those two records are much more useful together.
Imagine a site diary records:
"Electrical rough-in continued on Level 2."
The attendance record for the same day shows:
"ABC Electrical: 4 workers on site."
You now have more context around the day's activity without asking the supervisor to enter the same information twice.
Over time, this creates a clearer picture of:
Who was working
Which subcontractors attended
How long workers were on site
What work occurred
What else happened during the day
Instead of attendance becoming an isolated administration task, it becomes another part of the project's history.
Why searchable attendance history matters
Most attendance information is easy to remember while a project is happening.
The problem is when somebody asks about it later.
You may need to know:
Who was on site on a particular date?
Was a particular contractor present?
How many workers attended that day?
Approximately how long were they on site?
Which workers were present when an incident occurred?
Who was working while a particular activity was underway?
A digital register makes those questions easier to answer because the information is already structured by site and date.
You are not reconstructing the record.
You are retrieving it.
Construction worker sign-in across multiple sites

Attendance becomes harder to manage as a business adds projects.
One site might be manageable with a clipboard.
Five active projects means five sets of records.
Twenty projects means attendance information is being generated across the business every day.
A digital site attendance system can keep each project's records separate while giving authorised users a consistent way to manage them.
Each site can have its own sign-in process while the business retains a central record.
Should visitors and subcontractors use the same register?
That depends on how much information you need from each type of person.
A subcontractor who works on the project every day may have a different workflow from someone visiting the site for an hour.
What matters is that the attendance record can still answer the basic questions:
Who entered the site?
When did they arrive?
When did they leave?
Which project were they attending?
Additional induction or compliance processes can then sit alongside attendance where required.
QR sign-in should be quick
There is a simple test for any construction site sign-in process.
Would workers actually use it every morning?
If signing in requires too many steps, complicated accounts or unnecessary information, people will look for shortcuts.
The aim should be to capture enough information to create a useful site record without turning entry into another administrative task.
QR codes work well as the starting point because the physical site itself tells the worker where to go.
Scan.
Sign in.
Get to work.
Moving from a paper attendance register to digital sign-in
You do not need to overhaul every site process at once.
Start with one project.
Define the minimum information you actually need from a worker.
Place the sign-in QR code somewhere obvious.
Make the process part of site onboarding.
Then check whether the resulting attendance records are actually useful to the people managing the project.
The goal is not simply to digitise a clipboard.
The goal is to create a better site record.
Keep attendance with the rest of the day's site information
Worker attendance is only one part of what happens on a construction site each day.
There are also diaries, subcontractors, permits, pre-starts, incidents, safety records and site notes.
When those records are spread across different systems, someone eventually has to bring them back together.
WorkSiteDiary is designed to keep that information connected.
Workers can sign in and out using site QR workflows while attendance becomes part of the wider project record.
That means when somebody eventually asks what happened on site, you have somewhere to look.
Frequently asked questions
What is a construction site attendance register?
A construction site attendance register records who attended a construction project and when they entered and left the site.
What information should a site attendance register contain?
At minimum, consider recording the person's name, company, project, date, sign-in time and sign-out time. Additional information can be captured depending on the requirements of the project.
Can a QR code be used for construction site sign-in?
Yes. A site-specific QR code can direct workers to a digital sign-in process so their attendance is recorded against the correct project.
Do workers need an app for QR sign-in?
Not necessarily. Browser-based systems can allow workers to scan a QR code and sign in using their phone without installing an application.
Can subcontractor attendance be tracked digitally?
Yes. Digital attendance records can associate workers with their subcontractor or company and retain their attendance against the relevant project.
What is the benefit of connecting attendance with a site diary?
It gives the daily project record additional context. You can see not only what work was recorded but also which workers and subcontractors were present that day.
Can construction attendance records be searched later?
With a digital system, attendance can be stored by project and date, making historical records significantly easier to retrieve than paper sign-in sheets.
Related guides
Explore the related WorkSiteDiary guides:
What should be included in a construction site diary? — connect attendance with the daily record
Construction site diary template — see the daily report fields
Construction project evidence checklist — keep attendance with related evidence
How to record construction delays on site — record who was affected
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