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The Business Magazine May 2024
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Southern Tech 150

Sponsored by

Morgan Lovell - logo Spectrum IT logo RSM-Standard-Logo-HR-CMYK
click to view sponsor profile

Southern Tech 150 - 2021

The Southern Tech 150 is a listing of the leading privately-owned technology companies (by sales turnover) based in the South East, compiled and published by The Business Magazine.

The Listing 2021 listing was sponsored by office design specialists Morgan Lovell, software and technology recruitment specialists Spectrum IT Recruitment and audit, tax and consulting firm RSM UK.

The Southern Tech 150 programme came to a conclusion at a private dinner and award ceremony at Oakley Hall in Basingstoke on April 27 2022.


Published: 20 September 2021
2021 Company Name City Description Latest turnover last year Employees Year-end
1 Westcoast Theale IT products supplier 3524.6 2836.7 1,458 31/12/20
2 Urenco Slough Nuclear services technology 1521.5 1527.0 1,553 31/12/20
3 Arqiva Winchester Communication infrastucture 881.2 1000.0 1864 30/06/20
4 Utilita Eastleigh Smart energy experts 823.0 856.5 1,384 31/03/21
5 MAT Foundry Group Poole Casting & machining technology 351.8 378.6 2657 31/12/20
6 Cornerstone Theale Mobile infrastructure services 341.2 340.9 172 31/03/20
7 Adare International Basingstoke Digital marketing services 234.3 191.4 686 31/12/19
8 IRIS Software Group Datchet Software for accountants 222.5 195.0 1,778 30/04/21
9 James Walker Group Woking Sealing, track fixation & vibration attenuation 181.7 199.4 1979 31/03/20
10 Digital Wholesale Solutions Chandlers Ford Digital communications 145.0 106.7 273 31/03/20
11 LURI (GreenTech Distribution) High Wycombe Telecom equipment supplier 132.5 139.4 74 29/02/20
12 Centerprise International Basingstoke IT solutions 123.8 91.3 187 31/08/20
13 Bullitt Group Reading Smartphone app development 122.6 118.3 144 31/12/19
14 Ultima Business Solutions Reading IT infrastructure solutions 118.6 125.0 389 31/03/20
15 Oxford Nanopore Technologies Oxford Analysis tech 113.9 52.1 527 31/12/20
16 Kerridge Commercial Systems Hungerford Software solutions 108.1 79.9 1,076 30/09/20
17 Rebound Technology Group Newbury Electronic component distributor 108.0 141.4 351 31/12/19
18 Technetix Albourne Broadband cable technology solutions 100.0 99.2 168 31/12/19
19 4Com Christchurch Telecoms solutions 97.6 71.8 374 30/06/20
20 Wireless Logic Hurley Connectivity platform developer 91.4 51.5 215 30/04/20
21 Onecom Fareham Mobile phone suppliers 89.9 87.7 383 31/12/19
22 Southern Communications Basingstoke Telecoms services 86.9 70.2 371 31/03/20
23 Vohkus Fareham IT solutions 85.1 105.0 126 30/06/20
24 NSSLGlobal Redhill Satellite communications & IT support 79.6 69.9 196 31/12/19
25 Cennox Camberley ATM service solutions 77.9 74.0 688 31/12/19
26 Spire Technology Verwood Trade-only computer distributors 77.3 56.2 57 01/05/20
27 European Electronique Eynsham IT hardware & software solutions 75.3 63.6 115 31/03/21
28 Platinum Components Bournemouth Computer hardware component supplier 74.5 - 9 31/05/20
29 Global Invacom Canterbury Intergrated satelite communications 72.8 96.7 366 31/12/20
30 Roc Technologies Newbury finTech capability provider & consult 70.2 53.3 340 31/03/20
31 Bybox Didcot Distribution solutions 65.5 69.2 275 31/12/20
32 ATP Media Esher Digital broadcasting 63.0 105.1 46 31/12/20
33 AVK/SEG Maidenhead Power Solutions 58.7 36.0 81 31/03/20
34 Sonardyne Camberley Sonar Technology 56.5 38.6 430 31/03/20
35 Xeretec Group Wokingham Digital print providers 55.7 79.3 241 31/08/20
36 Anesco Aldermaston Energy technology 55.3 48.7 148 31/03/20
37 LA Micro UK Windsor IT Support services 54.9 36.3 66 31/10/20
38 Rebellion Developments Oxford Gaming products 52.4 27.2 366 30/06/20
39 Hanover Displays Lewes Digital passenger information systems 48.3 40.9 301 31/12/19
40 Prodrive Banbury Motorsport & advanced technology 48.1 64.4 305 31/12/20
41 CSB Holdings t/a COINS Slough Construction software 47.1 45.8 383 31/03/20
42 GEW Crawley UV systems for printing, coating & converting 46.8 48.3 116 30/06/20
43 Invenio Business Solutions Winnersh SAP solutions 46.6 32.7 848 31/03/20
44 Xtrac Thatcham Vehicle transmission technologies 45.9 55.3 321 30/09/20
45 Paxton Brighton Building security solutions 45.1 51.5 288 31/12/20
46 Nominet UK Oxford Internet domain name registry 45.0 42.6 229 31/03/20
47 Cobweb Solutions Fareham IT solutions 44.2 32.9 108 30/04/21
48 Aqualisa Westerham Shower innovation 43.7 45.4 294 31/12/19
49 Teneo Reading IT service provider 43.3 52.4 91 30/06/20
50 Porton Biopharma Salisbury Biopharmaceuticals 42.9 42.6 375 31/03/20

Awards Categories

Innovation Award


Business Leader of the Year


Employer of the Year


Best Use of Technology


Contact us

Meet the Winners

Innovation Award

Winner: Bullitt Group

“We had already tested an anti-bacterial phone in 2019, so when the Covid-19 pandemic came we conducted further tests to ensure the screen and seals could withstand chemicals, such as alcohol and bleach, and also rubbing at a certain pressure. We did this in about 40% of the normal time to launch the phone. We have also recently partnered with Motorola on the launch of its new rugged phone, which was a huge accolade for us. We now have a multi-year licence with the company, with huge opportunities in the Latin American and US market, where its brand is strong.” 

Nathan Vautier, CEO

Judges’ comments: The winner has consistently led their chosen market globally with award-winning innovative products, using industry-leading technology. We were impressed at how the company continued to drive innovation in their field during a difficult period, and their approach to adapting and launching new products to fit the requirements of its customer base, achieving impressive results in the process.

  • Bullitt Group
  • HR Wallingford
  • Reaction Engines
  • Redbrain
  • Redwood Technologies

Business Leader of the Year

Winner: Stephanie Kelly, IRIS Software

“Inclusivity around employee care and engagement is fundamentally important in providing a supportive, respectful and engaging environment for all our staff – not only because it’s the right thing to do, but we also know that it leads to positive business outcomes. It’s critical that we continue to invest in our people and ensure they have the skills, knowledge and support to meet the challenges not only of today but of the future too. Probably the biggest challenge for us during the Covid-19 pandemic was keeping spirits high. We increased our communications with employees, celebrating successes, putting on fun virtual activities, running coaching and support sessions, investing in training for managers and employees, and training mental health first aiders to support those that were struggling.” 

Stephanie Kelly, Chief People Officer

Judges’ comments: Stephanie's goal of ‘aiming high’, ‘missions and visions’ and complete inclusivity around care and engagement, not only within the company but also in the wider community, made her and her role in HR and technology a standout business leader.: Stephanie's goal of ‘aiming high’, ‘missions and visions’ and complete inclusivity around care and engagement, not only within the company but also in the wider community, made her and her role in HR and technology a standout business leader.

Black Ox Managing Director Richard Thompson accepts the award on behalf of winner Stephanie Kelly from Petra O’Shea from sponsor Morgan Lovell
  • Aaron Featherstone – aap3
  • Stephanie Kelly – IRIS Software
  • Alex Tatham – Westcoast
  • Nathan Vautier – Bullitt Group

Employer of the Year

Winner: Ancoris

“Developing talent with a diversity of junior and senior people is important in fostering the next generation. We put time into mentoring employees but not in a prescriptive way, for example, by providing opportunities to work with senior colleagues. We have employee-led values as our culture has to come from inside out rather than top down. We have embraced anonymised employee surveys that the management team take very seriously and we have made material changes in our planning as a result. The surveys help us see if we are going in the right direction to be a genuinely happy and productive workplace.” 

John Flower, Head of Software Development, and AJ Sung, Software Engineer

Judges’ comments: Our winner invests in developing young talent. Company values are employee-led to ensure everyone agrees with and believes in them, and they are big on trust. With a focus on mental health, they offer employee assistance programmes, with managers sharing their own mental health stories to let others know they are not alone. 100% of staff recommend working there.

AJ Sung, Software Engineer (left), and John Flower, Head of Software Development, at Ancoris with Lauren James from sponsor Spectrum IT
  • Ancoris
  • Cobweb Solutions
  • mdgroup
  • Redwood Technologies
  • Xtrac

Best Use of Technology

Winner: Reaction Engines

“SABRE-derived technologies provide a step-change in performance, efficiency and sustainability across multiple industries. From capturing and reusing waste heat in energy production processes to decarbonising aviation through innovative thermal management solutions, our technology is pushing the boundaries of what is possible in engineering. Our team of dedicated engineers are passionate about developing truly transformative technologies that promote sustainability and underpin Net Zero targets.” 

Marc Arstall, Chief Technology Officer for Applied Technologies

Judges’ comments: Reaction Engine’s focus on technology has been a game-changer for organisations, where they simply cannot advance their business goals without the use of this company’s product. Furthermore, their focus on low carbon and how they can convert waste heat to generate more power brought their focus on sustainable technology solutions to the fore.

  • Airsys
  • Bullitt Group
  • Centerprise
  • Reaction Engines
  • Technetix

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