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John Barr Email & Phone Number
Retired Senior Engineering Advisor at Costain
at
Costain
1 work email found
@yahoo.co.uk
LinkedIn matched
✓ Verified July 2026
3 data sources
Profile completeness 71%
Current company
Role
Retired Senior Engineering Advisor at Costain
Location
St Asaph, Wales, United Kingdom
Company size
Who is John Barr? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
John Barr is listed as Retired Senior Engineering Advisor at Costain at Costain, a with 3234 employees, based in St Asaph, Wales, United Kingdom. AeroLeads shows a work email signal at yahoo.co.uk and a matched LinkedIn profile for John Barr.
John Barr previously worked as Senior Engineering Advisor, now retired, but available for part time advisory work at Costain.
Company email context
Email format at Costain
This section adds company-level context without repeating John Barr's masked contact details.
*@yahoo.co.uk
68% confidence
AeroLeads found 1 current-domain work email signal for John Barr. Compare company email patterns before reaching out.
Profile bio
About John Barr
John Barr is a Retired Senior Engineering Advisor at Costain at Costain.
Current workplace
John Barr's current company
Company context helps verify the profile and gives searchers a useful next step.
Costain
1 role
John Barr work experience
A career timeline built from the work history available for this profile.
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Senior Engineering Advisor, Now Retired, But Available For Part Time Advisory WorkMany years UK & International experience of heavy civils, particularly in relation to temporary works.
Team & coworkers
Colleagues at Costain
Other employees you can reach at costain.com. View company contacts for 3234 employees →
DT
Danny Tanton
Colleague at CostainAshford, England, United Kingdom
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CC
Curtis Chapple
Colleague at CostainGreater Cardiff Area, United Kingdom
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HC
Helen Cady
Colleague at CostainWarrington, England, United Kingdom
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NW
Neil Wheeler
Colleague at CostainLondon, England, United Kingdom
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JR
Jordan Rowe
Colleague at CostainHemel Hempstead, England, United Kingdom
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DF
Daniel Foley
Colleague at CostainManchester Area, United Kingdom
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JG
Jayne Geary Engtech Fice
Colleague at CostainStockport, England, United Kingdom
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RS
Richard Sayer
Colleague at CostainSwindon, England, United Kingdom
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TC
Terry Carney
Colleague at CostainChadderton, England, United Kingdom
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JF
John Forbes
Colleague at CostainLondon, England, United Kingdom
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Danny Tanton
Colleague at CostainAshford, England, United Kingdom
View →
CC
Curtis Chapple
Colleague at CostainGreater Cardiff Area, United Kingdom
View →
HC
Helen Cady
Colleague at CostainWarrington, England, United Kingdom
View →
NW
Neil Wheeler
Colleague at CostainLondon, England, United Kingdom
View →
JR
Jordan Rowe
Colleague at CostainHemel Hempstead, England, United Kingdom
View →
DF
Daniel Foley
Colleague at CostainManchester Area, United Kingdom
View →
JG
Jayne Geary Engtech Fice
Colleague at CostainStockport, England, United Kingdom
View →
RS
Richard Sayer
Colleague at CostainSwindon, England, United Kingdom
View →
TC
Terry Carney
Colleague at CostainChadderton, England, United Kingdom
View →
JF
John Forbes
Colleague at CostainLondon, England, United Kingdom
View →
FAQ
Frequently asked questions about John Barr
Quick answers generated from the profile data available on this page.
What company does John Barr work for?
John Barr works for Costain.
What is John Barr's role at Costain?
John Barr is listed as Retired Senior Engineering Advisor at Costain at Costain.
What is John Barr's email address?
AeroLeads has found 1 work email signal at @yahoo.co.uk for John Barr at Costain.
Where is John Barr based?
John Barr is based in St Asaph, Wales, United Kingdom while working with Costain.
What companies has John Barr worked for?
John Barr has worked for Costain.
Who are John Barr's colleagues at Costain?
John Barr's colleagues at Costain include Danny Tanton, Curtis Chapple, Helen Cady, Neil Wheeler, and Jordan Rowe.
How can I contact John Barr?
You can use AeroLeads to view verified contact signals for John Barr at Costain, including work email, phone, and LinkedIn data when available.
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