Switching Security Software Without Losing a Week of Sleep
What moving a security company onto new software actually involves: your data, your staff, running both systems side by side, and what to ask a vendor before you sign.
By Michael Bryce · 5 October 2026 · 4 min read
Most owners I talk to already know their current system is not great. They put up with it anyway. The reason is rarely the price. It is the thought of the changeover: the weekend of data entry, the officers who will not use it, the one week where the rota goes wrong and a client notices.
That fear is reasonable. A bad switch does cost you. But a good one is mostly planning, and none of it is clever. Here is how I would approach it if I were running a security company and about to move.
Decide what is actually broken first
Write down the three things that hurt most. Not a wish list, three things. Last-minute cover that lives in WhatsApp. Timesheets rebuilt by hand every month. Clients asking for proof of what happened on site and you piecing it together from texts.
If you cannot name what you are fixing, you will judge the new system on how it looks in a demo, and you will get a nice demo and the same problems. Keep that short list in front of you for the whole process. Every question to a vendor should trace back to it.
Your data is the real job
The software is the easy part. The hard part is what goes into it: sites, post orders, staff records, licence details, contracted hours, pay rates, client contacts.
Before you start, do a clean-up on the old system or spreadsheet. Remove leavers. Fix the officer who appears twice under two spellings. Check licence expiry dates against the SIA register, because you will be relying on those dates from day one. Moving bad data into a new system just gives you bad data with a better font.
Ask the vendor plainly:
- What can I bring across, and in what format?
- Who does the import, you or me?
- If something goes in wrong, how do I put it right?
- When I leave, can I get all my data out again, and how?
That last one matters. If the answer is vague, treat it as an answer.
Your officers decide whether it works
You can buy the best system on the market and it will fail if the people on shift will not touch it. They are tired at the end of a twelve hour shift. They do not want to learn something that makes the job slower.
So test it on a phone, with the sort of person who does not enjoy technology, before you commit. Can they see their shifts? Can they do the thing you need them to do in a few taps, in poor signal, in the dark? If it takes explaining, it will not get done properly.
Tell your team early and tell them why. "It means you get your shifts and your pay sorted without chasing me" lands better than "we are going digital". Pick one or two of your more reliable officers to try it first. They will find the awkward bits and they will tell the others it is fine, which carries more weight coming from a colleague than from the boss.
Run both for a while
I would not switch off the old system on day one. Pick a quiet period, not the run up to Christmas and not the week a big event is on, and run the new system alongside the old one for a few weeks.
Start with one site or one team. Use the new system for real, keep the old record going as a safety net, and compare. Where they disagree, you have found a gap in your data or your process, and you have found it while it is cheap to fix.
It feels like double the work, because it is, for a short time. It is also the part that stops a changeover turning into an incident. Once the numbers match and your team are comfortable, move the next site across. Then the next. Cut the old system off when you have stopped looking at it, not before.
What to ask before you sign
A few questions that save trouble later:
- What exactly is included in the price, and what costs extra? Get it in writing, including add-ons and how many staff the price covers.
- Is there a minimum term, and what happens if I want out?
- What happens if I add twenty officers next month?
- When something goes wrong, who do I speak to, and how quickly do they answer?
- Can I try it with my own sites and staff before I pay?
Be wary of anything that is hard to price or hard to leave. A vendor confident in the product does not need a lock-in to keep you.
If you are weighing us against another system, I have set out the comparison, with the points that matter, in our TacDesk vs GuardTek comparison.
Expect a bumpy first fortnight
Something will go wrong. An officer will be on the wrong shift, a site will be missing a post order, a rate will be entered wrong. That is normal and it is why you are running both systems. The test of a good switch is not that nothing breaks. It is that you catch it before the client does.
Give it a month before you judge. By then you will either have your evenings back or you will know that the system is wrong for you, and either way you will have found out on your terms.
If you want to see how TacDesk would fit your operation, with your own sites and your own staff in mind, book a demo and I will show you.
Michael Bryce
Founder of TacDesk. Writes about SIA compliance, operations, and running a UK security company, from someone who actually works the shifts.
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