Proof of Presence
people and asset tracking
Millions of locations confirmed
Every year SIRV confirm millions of locations. Our technology is relied upon to evidence checks, track assets and verify people’s locations.
Do you want us to help you track & locATE?
Different technologies strive to achieve the same aim
Many different technologies are used to track people and assets. For example, CCTV can track people and assets. However, technology is not always necessary for tracking. Sign-in sheets and daily occurrence books provide proof of delivery and presence. But, these solutions rely on people, whereas technology does not.
ask what’s the best technology for you
Proof of presence is used to track nearly anything, from keys to stock. As a result, we have experience in design, build and deployment of many different bespoke solutions.
Near field communication
Near field communication (NFC) is by far the most popular proof of presence solution. It’s widely used because it is reliable, energy efficient and inexpensive to deploy.
Frequently Asked Questions
How many NFC Tags can be used?
You can use as many tags as you like. Most organisations will use 100-200 tags but some use thousands.
What phones can I use for proof of presence
We recommend a number of Android devices. Apple has recently made NFC available for proof of presence. However, we don’t yet offer proof of presence on Apple (we don’t consider the feature sufficiently tested). Take a look at our list of top tough phones here.
Why doesn't NFC work on my phone?
Check to ensure you have your phone’s NFC switched on (go to your phone’s ‘Settings’ menu). If NFC is switched on and you still don’t receive a reading then check the NFC tag. You may also consider the phone chip being faulty. Additionally, if you have the phone housed in a tough case then that may be blocking the signal.
Is GPS good for proof of presence?
If you want an accurate proof of presence reading then using a phone’s GPS is not ideal. GPS is frequently inaccruate and only provides gives a grid reference. This is not helpful if you want to identify a location above or below ground.
What are the best NFC Tags?
There are many NFC tags available. As a result, we have written a best NFC tags guide to help you choose the right kind of tag.