Cyber Security Manager
Current
Jan 2021 - Present
AeroLeads people directory · profile
John Marshall Email & Phone Number
Group Cyber Security Manager at J & J Denholm Ltd
at
J. & J. Denholm Limited (The Denholm Group)
1 work email found
@denholm-group.co.uk
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Current company
Role
Group Cyber Security Manager at J & J Denholm Ltd
Location
Newton-Le-Willows, England, United Kingdom
Company size
Who is John Marshall? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
John Marshall is listed as Group Cyber Security Manager at J & J Denholm Ltd at J. & J. Denholm Limited (The Denholm Group), a with 31 employees, based in Newton-Le-Willows, England, United Kingdom. AeroLeads shows a work email signal at denholm-group.co.uk and a matched LinkedIn profile for John Marshall.
John Marshall previously worked as Cyber Security Manager at J. & J. Denholm Limited (The Denholm Group) and Infrastructure Engineer at J & J Denholm Ltd. John Marshall holds Bachelor Of Science (Bsc), Computer Technology/Computer Systems Technology from The Open University.
Company email context
Email format at J. & J. Denholm Limited (The Denholm Group)
This section adds company-level context without repeating John Marshall's masked contact details.
{first}.{last}@denholm-group.co.uk
86% confidence
AeroLeads found 1 current-domain work email signal for John Marshall. Compare company email patterns before reaching out.
Profile bio
About John Marshall
John Marshall is a Group Cyber Security Manager at J & J Denholm Ltd at J. & J. Denholm Limited (The Denholm Group). He possess expertise in windows server, active directory, vmware, virtualization, servers and 21 more skills.
Listed skills include Windows Server, Active Directory, Vmware, Virtualization, and 22 others.
Current workplace
John Marshall's current company
Company context helps verify the profile and gives searchers a useful next step.
J. & J. Denholm Limited (The Denholm Group)
3 roles · 18 years
John Marshall work experience
A career timeline built from the work history available for this profile.
Infrastructure Engineer
J & J Denholm Ltd
2012 - Jan 2021
System Administrator
Arends International Ltd
2009 - 2012
~3 yrs
Team & coworkers
Colleagues at J. & J. Denholm Limited (The Denholm Group)
Other employees you can reach at denholm-group.com. View company contacts for 31 employees →
MC
Mark Coleman
Colleague at J. & J. Denholm Limited (The Denholm Group)London Area, United Kingdom
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CM
Charlie Mccarthy
Colleague at J. & J. Denholm Limited (The Denholm Group)Glasgow, Scotland, United Kingdom
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GM
Gary M.
Colleague at J. & J. Denholm Limited (The Denholm Group)Greater Glasgow Area, United Kingdom
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S(
Shaz (Sharon) Mcinally
Colleague at J. & J. Denholm Limited (The Denholm Group)Glasgow, Scotland, United Kingdom
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SW
Steven Wallace
Colleague at J. & J. Denholm Limited (The Denholm Group)Glasgow, Scotland, United Kingdom
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MD
Mark Davies
Colleague at J. & J. Denholm Limited (The Denholm Group)Glasgow, Scotland, United Kingdom
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AA
Ajish As
Colleague at J. & J. Denholm Limited (The Denholm Group)United Arab Emirates
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MS
Martina Shilton
Colleague at J. & J. Denholm Limited (The Denholm Group)Bristol, England, United Kingdom
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HB
Heather-Anne B.
Colleague at J. & J. Denholm Limited (The Denholm Group)Glasgow, Scotland, United Kingdom
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TP
Tom Pritchard
Colleague at J. & J. Denholm Limited (The Denholm Group)Greater Liverpool Area, United Kingdom
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Mark Coleman
Colleague at J. & J. Denholm Limited (The Denholm Group)London Area, United Kingdom
View →
CM
Charlie Mccarthy
Colleague at J. & J. Denholm Limited (The Denholm Group)Glasgow, Scotland, United Kingdom
View →
GM
Gary M.
Colleague at J. & J. Denholm Limited (The Denholm Group)Greater Glasgow Area, United Kingdom
View →
S(
Shaz (Sharon) Mcinally
Colleague at J. & J. Denholm Limited (The Denholm Group)Glasgow, Scotland, United Kingdom
View →
SW
Steven Wallace
Colleague at J. & J. Denholm Limited (The Denholm Group)Glasgow, Scotland, United Kingdom
View →
MD
Mark Davies
Colleague at J. & J. Denholm Limited (The Denholm Group)Glasgow, Scotland, United Kingdom
View →
AA
Ajish As
Colleague at J. & J. Denholm Limited (The Denholm Group)United Arab Emirates
View →
MS
Martina Shilton
Colleague at J. & J. Denholm Limited (The Denholm Group)Bristol, England, United Kingdom
View →
HB
Heather-Anne B.
Colleague at J. & J. Denholm Limited (The Denholm Group)Glasgow, Scotland, United Kingdom
View →
TP
Tom Pritchard
Colleague at J. & J. Denholm Limited (The Denholm Group)Greater Liverpool Area, United Kingdom
View →
1 education record
John Marshall education
-
The Open University
FAQ
Frequently asked questions about John Marshall
Quick answers generated from the profile data available on this page.
What company does John Marshall work for?
John Marshall works for J. & J. Denholm Limited (The Denholm Group).
What is John Marshall's role at J. & J. Denholm Limited (The Denholm Group)?
John Marshall is listed as Group Cyber Security Manager at J & J Denholm Ltd at J. & J. Denholm Limited (The Denholm Group).
What is John Marshall's email address?
AeroLeads has found 1 work email signal at @denholm-group.co.uk for John Marshall at J. & J. Denholm Limited (The Denholm Group).
Where is John Marshall based?
John Marshall is based in Newton-Le-Willows, England, United Kingdom while working with J. & J. Denholm Limited (The Denholm Group).
What companies has John Marshall worked for?
John Marshall has worked for J. & J. Denholm Limited (The Denholm Group), J & J Denholm Ltd, and Arends International Ltd.
Who are John Marshall's colleagues at J. & J. Denholm Limited (The Denholm Group)?
John Marshall's colleagues at J. & J. Denholm Limited (The Denholm Group) include Mark Coleman, Charlie Mccarthy, Gary M., Shaz (Sharon) Mcinally, and Steven Wallace.
How can I contact John Marshall?
You can use AeroLeads to view verified contact signals for John Marshall at J. & J. Denholm Limited (The Denholm Group), including work email, phone, and LinkedIn data when available.
What schools did John Marshall attend?
John Marshall holds Bachelor Of Science (Bsc), Computer Technology/Computer Systems Technology from The Open University.
What skills is John Marshall known for?
John Marshall is listed with skills including Windows Server, Active Directory, Vmware, Virtualization, Servers, Disaster Recovery, Data Center, and Cisco Technologies.
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