Skip to contentClarengateINTELLIGENCE
Coverage & freshness About Clarengate
Companies/10297688

Kets Quantum Security Ltd

Other telecommunications activities · Bristol

ActiveUnited KingdomIncorporated 2016Private Limited Company
Register Ask analyst

Ownership evidence

Reported ownership and control rights in this business, with source dates.

Reported ownership & control

0 without an end date · 3 ceased

No control records without an end date are available. This alone does not establish who owns or controls the company.

Show 3 ceased records
CE
Dr. Christopher ErvenIndividual
Shares: over 25%, up to 50%Voting rights: over 25%, up to 50%

Notified 2016-07-27 · Ceased 2021-05-13

Source record 115690237
JK
Dr. Jake KennardIndividual
Shares: over 25%, up to 50%Voting rights: over 25%, up to 50%

Notified 2016-07-27 · Ceased 2018-06-21

Source record 115691636
PS
Mr. Philip SibsonIndividual
Shares: over 25%, up to 50%Voting rights: over 25%, up to 50%

Notified 2016-07-27 · Ceased 2021-05-13

Source record 115691637

People behind the business

Current appointments and the wider business interests of each person.

Appointments

5 current · 10 historical
WZ
Werner ZahntCurrent director
Appointed 2026-07-01
SW
Stuart WoodsCurrent director
Appointed 2025-06-16 · 1 yr · Consultant / Director
+1 other
LM
Lisa MatthewsCurrent director
Appointed 2022-09-20 · 4 yrs · Head Of Operations
+1 other
OT
Olivier TonneauCurrent director
Appointed 2021-05-13 · 5 yrs · Partner At Quantonation
CE
Christopher ErvenCurrent director
Appointed 2016-07-27 · 10 yrs · Chief Executive Officer
Show 10 historical appointments
JG
James Robert GarciaResigned director
Resigned 2025-05-31 · 1 yr · Venture Capital - Investor
JK
Jake KennardResigned director
Resigned 2024-08-16 · Consultant
PS
Philip SibsonResigned director
Resigned 2024-05-11 · Consultant
JH
Jingchun HaoResigned director
Resigned 2021-05-13 · 4 yrs · Venture Capital Investor
CM
Claudio MarinelliResigned director
Resigned 2019-06-01 · 5 yrs · Consultant
SK
Stephen KitsonResigned director
Resigned 2019-03-29 · 2 yrs · Consultant
CJ
Christophe JurczakResigned director
Resigned 2018-11-30 · 2 yrs · Managing Director
CC
Caroline ClarkResigned director
Resigned 2018-06-21 · 4 yrs · Director Of Operations
PS
Philip SibsonResigned director
Resigned 2016-07-27 · 4 yrs · Chief Technical Officer
JK
Jake KennardResigned director
Resigned 2016-07-27 · 4 yrs · Director Of Technical Sales

Board profile

People with appointments
5
Directors assessed
5
Median age
50
Under 35
0
65 and over
0
Disqualified match
None active