TDSi is one of the UK’s leading manufacturers of Integrated Access Control Systems, offering an extensive range of Readers, Controllers and Software systems.
Joined May 2011
- Tweets 3,257
- Following 879
- Followers 1,861
- Likes 1,923
1,202 Photos and videos
12 Dec 2025
We’re excited to share that from 1st January 2026, TDSi will become TDSi by Hirsch. As TDSi by Hirsch, nothing changes in terms of service, support, or points of contact, it’s very much business as usual.
Read the full story over on our website.
tdsi.co.uk/news/building-on-…
1
23
28 Oct 2025
GARDiS Pro Software v3.1 is available now!
Built to help security teams and site managers work more efficiently, GARDiS Pro Software v3.1 adds genuine value where it counts, with enhanced features, functionality and performance.
🔗 tdsi.co.uk/news/gardis-pro-v…
#AccessControl
1
30
27 Oct 2025
🔒 Coming Soon: GARDiS Pro Software v3.1
GARDiS Pro v3.1 delivers a host of enhancements to boost performance, strengthen security, and make system management even easier.
Not long now! The latest version of our GARDiS Access Control Management Software is almost here.
1
19
27 Oct 2025
GARDiS Pro Software V3.1 is on its way!
We’re excited to share our latest GARDiS Pro Software update with you all soon. GARDiS V3.1 is designed to make day-to-day Access Control even smarter, faster, and easier to manage.
Stay tuned… it’s almost here!
23
16 Jul 2025
Planning access points early makes controlled entry easier. For older or historic buildings, flexible retrofitting is key.
Read our latest blog post: tdsi.co.uk/news/ensuring-bui…
#SecurityDesign #AccessControl #SmartBuildings
32
15 Apr 2025
Easter Opening Hours 🐣
The TDSi Offices will be closed for Easter on Good Friday and Easter Monday, reopening on Tuesday 22nd April 2025. Any orders placed during this period will be processed when the office reopens on Tuesday morning.
#easter #accesscontrol
1
36
9 Apr 2025
We've had a busy start to day two here at The Security Event
Visit @TDSi_Access and @hirschsecure on Stand 5/G60 throughout the event for live product demonstrations, presentations and more.
#accesscontrol #thesecurityevent #tse25
1
46
9 Apr 2025
Join us on Stand 5/G60 at The Security Event to discover our Integrated Access Control Solutions. The team will be showcasing our newly launched GARDiS v3 Software and previewing the new TDSi Command Control PSIM solution.
#accesscontrol #thesecurityevent #tse25
100
1 Apr 2025
🚨 Join Us on Stand 5/G60 at The Security Event 2025 next week! We will be exhibiting alongside @VITAPROTECH sister companies @HarperChalice and @hirschsecure.
⏩ The Security Event 2025
✅ Stand 5/G60
📅 8 - 10 April 2025
📍 The NEC, Birmingham UK
🔗 tdsi.co.uk/news/tdsi-announc…
34
6 Mar 2025
GARDiS 3 has arrived!
The latest version of GARDiS is our biggest update so far, it's packed with new features to make it easier than ever to deploy, manage, and scale sophisticated access control solutions.
🔗 tdsi.co.uk/news/tdsi-launche…
33
24 Dec 2024
Merry Christmas and a Happy New Year from us all at TDSi.
Our offices will be closed throughout the Christmas holidays, reopening in the New Year on 2nd January 2025.
Limited Technical Support will be available between Christmas and New Year.
See you all in 2025!
1
38
10 Dec 2024
TDSi are excited to be exhibiting at @IntersecExpo, Dubai in January.
⏩ Intersec 2025
⚡ @TDSi_Access , @HarperChalice, @FranckPrysm, @hirschsecure
✅ Stand S3-B32
📅 14 - 16 January 2025
📍 World Trade Centre, Dubai
Find out more on our website.
🔗 tdsi.co.uk/news/tdsi-will-be…
33
10 Dec 2024
As many in the industry may already be aware, TDSi MD John Davies has announced that he will retire at the end of 2024. Everyone at TDSi would like to express their gratitude for John’s leadership, dedication and support throughout his years here.
🔗 tdsi.co.uk/news/john-davies-…
1
1
43
8 Nov 2024
We're pleased to be delivering FREE Installer Training at fellow @VITAPROTECH company @HarperChalice's newly refurbished Security Hub and Training Facility in Coventry. This new training location complements our existing courses at TDSi HQ in Dorset.
🔗 tdsi.co.uk/news/new-installe…
41
30 Sep 2024
In our latest blog post we explore the evolving role of the Security Installer, which over the last 10 years or so has undergone a significant transformation.
📱 NFC and Mobile Credentials
🏢 Growing Range of System Integrations
🌐 Multisite Solutions
🔗 tdsi.co.uk/news/the-changing…
44
30 Sep 2024
TDSi recently joined industry experts as part of the latest @SourceSecurity Roundtable to discuss the benefits and importance of integrating physical security with other systems.
🔗securityinformed.com/insight…
#accesscontrol #integratedaccesscontrol #security #gardis
28
7 Aug 2024
TDSi are pleased to announce Samuel Annear has joined the Software Development Team for a twelve-month placement as part of his Computing Studies Course at @bournemouthuni. Follow the link below for the full story.
Welcome to the team Samuel!
🔗 tdsi.co.uk/news/tdsi-adds-ne…
2
58
16 Jul 2024
As we head into the second half of 2024 our latest Blog Post takes a look at some of the emerging global trends in the Access Control and Security Industry.
📱 NFC and Mobile Credentials
🏢 Prop Tech
🌐 Integrated Solutions
🔗 tdsi.co.uk/news/reliable-acc…
1
51
13 Jun 2024
We've just released the next batch of FREE GARDiS Training Courses
✅ Become an Authorised GARDiS Installer
🗓 Dates added through to December 2024
📍 Courses held in the North and South of the UK
🎓 Training on our GARDiS Access Control Platform
🔗 tdsi.co.uk/training/
56
1 May 2024
It's been a busy start to day two here at @SecurityEventUK .
⏩ The Security Event 2024
⚡ TDSi Harper Chalice
✅ Stand 5/G60
📅 30 April - 02 May 2024
📍 The NEC, Birmingham, UK
Our UK Sales Team are here to chat all things Access Control and GARDiS.
2
103