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Security Companies in Middlesbrough: 73 Active Firms (2026)

Security companies around Middlesbrough provide guarding, key holding and site protection for local commercial, public-sector and industrial premises.

Procurement usually sits with estates, facilities, operations and compliance teams rather than central IT. Buyers tend to be local authorities, industrial operators, logistics sites, housing providers, construction projects and multi-site commercial landlords across Teesside and the wider North East. Engagements are typically contract-led: retained guarding shifts, mobile response arrangements, key-holding cover, door-supervision rotas and event or shutdown support. The firms that fit this market usually need front-line staffing capacity, supervisor cover and control-room processes, because buyers are paying for continuity of attendance as much as for deterrence.

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Middlesbrough and nearby Teesside have 73 actively trading security companies within this page’s scope. The cohort is small enough that a few regional contractors can alter the commercial profile, but broad enough to include newer local operators and established service firms. Reported headcount totals 100 staff, pointing to a market built around owner-managed teams, subcontracted labour and shift-based deployment rather than large corporate back offices. Buyers should therefore read scale through contract references, licensing coverage and supervision arrangements, not headcount alone.

The Security Industry Authority (SIA), sponsored by the Home Office, regulates UK private security work where suppliers provide licensable activities under a “contract for services”. For Middlesbrough providers, the practical boundary is usually whether front-line staff are carrying out manned guarding, key holding or related response work for a client, rather than merely selling equipment. Directors, managers and supervisors can also fall within licensing rules where the business supplies security operatives under contract. That structure favours contractors with auditable training, vetting, rota control and incident escalation, because procurement teams need evidence that licence obligations travel through the shift pattern and management chain.

Middlesbrough’s security market appears likely to stay locally anchored, with demand tied to industrial estates, public buildings, construction sites, hospitality venues and commercial property portfolios. The cohort tends to skew towards operators that sell labour availability, supervision and response coverage, so margin pressure is likely to sit around recruitment, retention, training time and unsocial-hours staffing. Scale-up scarcity may keep consolidation interest focused on contractors with repeat public-sector or industrial work, while smaller entrants compete through local responsiveness and specialist cover. Compliance looks set to remain part of the sales process rather than a back-office matter.

73

Active firms

2026

5

Over £5M

reported turnover

21

Incorporated since 2022

newer local firms

Key facts

About 6% of the trading cohort reports turnover above £5M (5 of 73 firms) — the rest sits below that revenue band.

28% of the cohort was incorporated since 2022 (21 firms), so a sizeable share is in its first few filing cycles.

The Security Industry Authority (SIA), sponsored by the Home Office, regulates UK private security work supplied under a contract for services where the activity is licensable.

Licensable activities include manned guarding, key holding and vehicle immobilisation in Northern Ireland.

Front-line SIA licences apply to individuals performing licensable work; directors, partners, managers and supervisors may need front-line or non-front-line licences when supplying security operatives under contract.

UK security exports were £12.9 billion in 2024, up 16.6% on 2023 in nominal terms; physical security accounted for 33%, worth £4.3 billion.

Europe was the largest regional export market for UK security exports in 2024 at £6.5 billion, or 51% of the total; North America was second at £2.8 billion.

Top Middlesbrough Security companies

Company
Sales readinessHow strongly each company matches this list’s ideal-customer profile. An AI model assesses what each company does (from its website), its sector and size, and scores its overall fit 0–100. Companies are listed highest score first, so the best-fit prospects appear at the top.
Turnover
Employees
Growth (yoy)Year-on-year change in UK headcount, from filed accounts.
Financial healthComposite 0–100 score from recent XBRL filings (profitability, net assets, liquidity, cash, headcount). Bands: Strong, Healthy, Stable, Weak, Distressed.
Location

Close Protection Security Ltd

Close Protection Security
Physical Security Services
6 employeesInc. 2017MiddlesbroughCH 10670461
closeprotectionsecurityltd.com

Trajectory

5y · 2021–Now

Financial sub-scores

Computed from 5 filings
Net assets0 / 100
Cash69 / 100
Headcount17 / 100
What does Close Protection Security Ltd do?

Provides security services including close protection, event security, CCTV monitoring, alarm response, dog handling, and port facility security. Also offers security training courses and consultancy…

Who does Close Protection Security Ltd sell to?

Serves businesses, event organisers, port facilities and private clients in Middlesbrough and Teesside, plus individuals seeking security training.

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Company vitals
UK Headcount
6
UK Revenue
£469.8kEstimate
Founded
9 years ago
Since Mar 2017
HQ
Middlesbrough
Financial health
23

Financial Health

Weak

Weak · -7% CAGR over 4y

Financial distressTechnical insolvency

Location

Map of Middlesbrough
1 Wilfred Whitfield Way
Middlesbrough, TS2 1EN
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Tees Security Limited

Tees Security
Physical Security Services
3 employeesInc. 2013MiddlesbroughCH 08811600
teessecurityltd.co.uk/contact-us

Trajectory

5y · 2022–Now

Financial sub-scores

Computed from 5 filings
Net assets40 / 100
Headcount0 / 100
What does Tees Security Limited do?

Provides manned security services including mobile patrols, site security, event and function security, and retail security. Supplies licensed security guards, marked patrol vehicles, and risk…

Who does Tees Security Limited sell to?

Serves businesses, venues, retailers, event organisers, site operators and public-sector organisations across Teesside and surrounding areas with security requirements.

Key contacts (1)
LM
Lisa Mansell
Director
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Company vitals
UK Headcount
3
UK Revenue
£191.6kEstimate
Founded
12 years ago
Since Dec 2013
HQ
Middlesbrough
Financial health
25

Financial Health

Weak

Weak · -22% CAGR over 4y

Location

Map of Middlesbrough
17 Rounton Grange, Nunthorpe
Middlesbrough, TS7 0DG
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CRIMEWATCH SAFEGUARD SECURITY SYSTEMS LTD.

Crimewatch Safeguard Security Systems
Physical Security Services
18 employeesInc. 2003MiddlesbroughCH 04708565
crimewatchsystems.co.uk

Trajectory

5y · 2021–Now

Financial sub-scores

Computed from 5 filings
Net assets60 / 100
Cash1 / 100
Headcount59 / 100
What does CRIMEWATCH SAFEGUARD SECURITY SYSTEMS LTD. do?

Installs and maintains security systems for residential and commercial properties, including CCTV, intruder alarms, access control and fire alarms. Also provides remote CCTV and alarm monitoring,…

Who does CRIMEWATCH SAFEGUARD SECURITY SYSTEMS LTD. sell to?

Serves a mix of homeowners and commercial organisations across the North East, including property owners, facilities managers and businesses with premises, staff, stock and assets to protect.

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Company vitals
UK Headcount
18
UK Revenue
£1.3mEstimate
Founded
23 years ago
Since Mar 2003
HQ
Middlesbrough
Financial health
44

Financial Health

Stable

Stable · Hiring · 3% CAGR over 4y

Hiring

Location

Map of Middlesbrough
Unit 10 River Court, Brighouse Road
Middlesbrough, TS2 1RT
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Vistech Services Personnel Ltd

Vistech Services
Physical Security Services
1 employeesInc. 2020Middlesbrough, ClevelandCH 12782885
vistechservices.co.uk

Trajectory

5y · 2021–Now

Financial sub-scores

Computed from 5 filings
Net assets0 / 100
Cash0 / 100
Headcount40 / 100
What does Vistech Services Personnel Ltd do?

Provides security and facilities management services including security guards, mobile patrols, keyholding and alarm response, CCTV monitoring and systems, construction site and event security, car…

Who does Vistech Services Personnel Ltd sell to?

Serves UK businesses and public-sector organisations needing security and facilities support, including construction sites, schools and universities, corporate offices, retailers, healthcare…

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Company vitals
UK Headcount
1
UK Revenue
£9.1kEstimate
Founded
5 years ago
Since Jul 2020
HQ
Middlesbrough, Cleveland
Financial health
11

Financial Health

Distressed

Distressed · 0% CAGR over 4y

Financial distressTechnical insolvency

Location

Map of Middlesbrough, Cleveland
Boho Six Offices, 5 Linthorpe Road
Middlesbrough, Cleveland, TS1 1RE
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Kenden Security Limited

Kenden Security
Physical Security Services
13 employeesInc. 2005Middlesbrough, CountyCH 05560052

Trajectory

5y · 2021–Now

Financial sub-scores

Computed from 5 filings
Net assets72 / 100
Headcount15 / 100
Key contacts (1)
AM
Anthony Michael Woods
Director
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Company vitals
UK Headcount
13
UK Revenue
£495.6kEstimate
Founded
20 years ago
Since Sep 2005
HQ
Middlesbrough, County
Financial health
50

Financial Health

Stable

Stable · -8% CAGR over 4y

Location

Map of Middlesbrough, County
Enterprise House C/O Beaumont Accountancy Services, 202 -206 Linthorpe Road
Middlesbrough, County, TS1 3QW
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Lilly Site Services Ltd

Lilly Site Services
Physical Security Services
8 employeesInc. 2023Middlesbrough, ClevelandCH 15246752

Trajectory

1y · 2024–Now
Key contacts (1)
DW
Darren Waggott
Director
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Company vitals
UK Headcount
8
UK Revenue
£129kEstimate
Founded
2 years ago
Since Oct 2023
HQ
Middlesbrough, Cleveland
Financial health

Financial Health

Insufficient history

Insufficient history

Location

Map of Middlesbrough, Cleveland
Beaumont Accountancy Services 1st Floor Enterprise House, 202-206 Linthorpe Road
Middlesbrough, Cleveland, TS1 3QW
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M&G Security Limited

M&G Security
Physical Security Services
2 employeesInc. 2022MiddlesbroughCH 14167540
mandgsecurity.com

Trajectory

2y · 2023–Now

Financial sub-scores

Computed from 2 filings
Net assets5 / 100
Cash9 / 100
Headcount40 / 100
Key contacts (1)
VG
Viorica Georgiana Hurmuz
Director
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Company vitals
UK Headcount
2
UK Revenue
£114.9kEstimate
Founded
3 years ago
Since Jun 2022
HQ
Middlesbrough
Financial health
16

Financial Health

Distressed

Distressed · 0% CAGR over 1y

Financial distress

Location

Map of Middlesbrough
278 Acklam Road
Middlesbrough, TS5 8AA
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Associated Risks Northern Limited

Associated Risks Northern
Physical Security Services
2 employeesInc. 2011MiddlesbroughCH 07773724

Trajectory

5y · 2020–Now

Financial sub-scores

Computed from 5 filings
Net assets100 / 100
Cash0 / 100
Headcount100 / 100
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Company vitals
UK Headcount
2
UK Revenue
£33.8kEstimate
Founded
14 years ago
Since Sep 2011
HQ
Middlesbrough
Financial health
73

Financial Health

Healthy

Healthy · Hiring · 15% CAGR over 5y

Hiring

Location

Map of Middlesbrough
22 Multi Media Exchange, 72-80 Corporation Road
Middlesbrough, TS1 2RF
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G AND A SECURITY NE LTD

G&A Security
Physical Security Services
10 employeesInc. 2013Stockton-on-Tees, Co. DurhamCH 08643746
ga-security.co.uk

Trajectory

5y · 2021–Now

Financial sub-scores

Computed from 5 filings
Net assets96 / 100
Cash70 / 100
Headcount100 / 100
What does G AND A SECURITY NE LTD do?

Provides commercial security services including monitored CCTV, alarm response and key holding, manned guarding, mobile patrols, access control systems, concierge security, vacant property…

Who does G AND A SECURITY NE LTD sell to?

Serves businesses across North East England needing temporary or long-term security support, including construction sites, event operators, remote locations, vacant property owners, corporate…

Key contacts (1)
JL
Jamie Leigh Graham
Director
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Company vitals
UK Headcount
10
UK Revenue
£788.7kEstimate
Founded
12 years ago
Since Aug 2013
HQ
Stockton-on-Tees, Co. Durham
Financial health
90

Financial Health

Strong

Strong · Growing, Hiring · 14% CAGR over 4y

GrowingHiring

Location

Map of Stockton-on-Tees, Co. Durham
The Stables Orchard Grange, Eaglescliffe
Stockton-On-Tees, Co. Durham, TS16 0QH
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EAS MOBILES LTD

EAS Mobile Services
Physical Security Services
15 employeesInc. 2020Stockton-on-TeesCH 12812728
easmobileservices.co.uk

Trajectory

5y · 2021–Now

Financial sub-scores

Computed from 5 filings
Net assets88 / 100
Cash100 / 100
Headcount34 / 100
What does EAS MOBILES LTD do?

Provides security services including manned guarding, mobile patrols, alarm response, key holding, event security and door supervision. Also offers commercial cleaning and school caretaker services…

Who does EAS MOBILES LTD sell to?

Serves businesses, venues, event organisers, schools and individuals across Middlesbrough and Teesside that need local security, caretaking or site protection support.

Key contacts (1)
RC
Richard Christon
Director
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Company vitals
UK Headcount
15
UK Revenue
£471.8kEstimate
Founded
5 years ago
Since Aug 2020
HQ
Stockton-on-Tees
Financial health
76

Financial Health

Healthy

Healthy · -2% CAGR over 4y

Location

Map of Stockton-on-Tees
Office 12, Fast Track House Pearson Way, Thornaby
Stockton-On-Tees, TS17 6PT
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FM Cyber Security Limited

FM Cyber Security
Physical Security Services
2 employeesInc. 2013Wolviston, ClevelandCH 08604446
f-m.co.il

Trajectory

5y · 2021–Now

Financial sub-scores

Computed from 5 filings
Net assets100 / 100
Cash100 / 100
Headcount100 / 100
Key contacts (1)
FL
Fiona Louise Murphy
Director
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Company vitals
UK Headcount
2
UK Revenue
£229.3kEstimate
Founded
12 years ago
Since Jul 2013
HQ
Wolviston, Cleveland
Financial health
100

Financial Health

Strong

Strong · Growing, Hiring · 19% CAGR over 4y

GrowingHiring

Location

Map of Wolviston, Cleveland
12 Manor Close
Wolviston, Cleveland, TS22 5QA
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FORCE SECURITY GROUP LTD

Force Security
Physical Security Services
1 employeesInc. 2023RedcarCH 15159493

Trajectory

2y · 2024–Now

Financial sub-scores

Computed from 2 filings
Net assets0 / 100
Headcount40 / 100
Key contacts (1)
JW
James William Harban
Director
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Company vitals
UK Headcount
1
UK Revenue
£0
Founded
2 years ago
Since Sep 2023
HQ
Redcar
Financial health
15

Financial Health

Distressed

Distressed · 0% CAGR over 1y

Financial distressTechnical insolvency

Location

Map of Redcar
30 Wheatacre Close, Marske-By-The-Sea
Redcar, TS11 7HY
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MCCULLAGH SECURITY CONSULTANCY LTD

Mccullagh Security Consultancy
Physical Security Services
Inc. 2018HartlepoolCH 11735026

Trajectory

5y · 2021–Now

Financial sub-scores

Computed from 5 filings
Net assets100 / 100
Cash100 / 100
Key contacts (1)
MJ
Melanie Jayne McCullagh
Director
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Company vitals
UK Headcount
0
UK Revenue
£10.6kEstimate
Founded
7 years ago
Since Dec 2018
HQ
Hartlepool
Financial health
100

Financial Health

Strong

Strong

Location

Map of Hartlepool
14 Rium Terrace
Hartlepool, TS24 8AW
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STRATEGIC SECURITY GROUP LTD

Strategic Security
Physical Security Services
Inc. 2017Stockton-on-TeesCH 10654880

Trajectory

5y · 2021–Now

Financial sub-scores

Computed from 5 filings
Net assets0 / 100
Cash55 / 100
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Company vitals
UK Headcount
0
UK Revenue
£0Estimate
Founded
9 years ago
Since Mar 2017
HQ
Stockton-on-Tees
Financial health
21

Financial Health

Weak

Weak

Financial distressTechnical insolvency

Location

Map of Stockton-on-Tees
Beaumont House, 74-76 Church Road
Stockton-On-Tees, TS18 1TW
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PERSONAL PROTECTION SERVICES LTD

Personal Protection Services
Physical Security Services
1 employeesInc. 2023Stockton on TeesCH 14651241

Trajectory

2y · 2024–Now

Financial sub-scores

Computed from 2 filings
Profitability100 / 100
Net assets40 / 100
Headcount40 / 100
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Company vitals
UK Headcount
1
UK Revenue
£5.1kEstimate
Founded
3 years ago
Since Feb 2023
HQ
Stockton on Tees
Financial health
66

Financial Health

Healthy

Healthy · Profitable · 0% CAGR over 1y

Profitable

Location

Map of Stockton on Tees
16 Embsay Close, Ingleby Barwick
Stockton On Tees, TS17 0PY
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Jrb Protection Ltd

JRB Protection
Physical Security Services
1 employeesInc. 2023YarmCH 14693671

Trajectory

2y · 2024–Now

Financial sub-scores

Computed from 2 filings
Net assets0 / 100
Headcount40 / 100
Key contacts (1)
JR
Jamie Ryan Birdsall
Director
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Company vitals
UK Headcount
1
UK Revenue
£12.2kEstimate
Founded
3 years ago
Since Feb 2023
HQ
Yarm
Financial health
15

Financial Health

Distressed

Distressed · 0% CAGR over 1y

Financial distress

Location

Map of Yarm
11 Hornbeam Drive
Yarm, TS15 9BJ
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Nsb Global Enterprise Ltd

NSB Global Enterprise
Physical Security Services
1 employeesInc. 2024KeighleyCH 15527738

Trajectory

1y · 2025–Now
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Company vitals
UK Headcount
1
UK Revenue
£10.9kEstimate
Founded
2 years ago
Since Feb 2024
HQ
Keighley
Financial health

Financial Health

Insufficient history

Insufficient history

Location

Map of Keighley
3 Fardene Street, Silsden
Keighley, BD20 9LQ
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Locomotive Security Group Ltd

Locomotive Security
Physical Security Services
Inc. 2018Darlington, DurhamCH 11168703

Trajectory

5y · 2020–Now

Financial sub-scores

Computed from 5 filings
Net assets0 / 100
Key contacts (1)
GR
Gavin Robert Spence
Director
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Company vitals
UK Headcount
0
UK Revenue
£11.9kEstimate
Founded
8 years ago
Since Jan 2018
HQ
Darlington, Durham
Financial health
0

Financial Health

Distressed

Distressed

Financial distressTechnical insolvency

Location

Map of Darlington, Durham
16 Selby Crescent
Darlington, Durham, DL3 9SD
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Queens Guard Working Dogs Ltd

Queens Guard Working Dogs
Physical Security Services
1 employeesInc. 2022Redcar, ClevelandCH 14041210

Trajectory

3y · 2023–Now

Financial sub-scores

Computed from 3 filings
Net assets0 / 100
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Company vitals
UK Headcount
1
UK Revenue
£0Estimate
Founded
4 years ago
Since Apr 2022
HQ
Redcar, Cleveland
Financial health
0

Financial Health

Distressed

Distressed · 0% CAGR over 1y

Financial distressTechnical insolvency

Location

Map of Redcar, Cleveland
15 St Thomas Grove, 15 St. Thomas Grove
Redcar, Cleveland, TS10 2DY
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Excell Security Services (NE) Limited

Excell Security Services (NE)
Physical Security Services
Inc. 2011HartlepoolCH 07757915
excellsecurity.com.au

Trajectory

5y · 2021–Now

Financial sub-scores

Computed from 5 filings
Headcount0 / 100
Key contacts (2)
EE
Edmund Ellwood
Director
LE
Lesley Ellwood
Director
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Company vitals
UK Headcount
0
UK Revenue
£197k
Founded
14 years ago
Since Aug 2011
HQ
Hartlepool
Financial health
0

Financial Health

Distressed

Distressed

Financial distress

Location

Map of Hartlepool
10 Scarborough Street
Hartlepool, TS24 7DA
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Savak Limited

Savak Security Ltd
Physical Security Services
10 employeesInc. 2013MiddlesbroughCH 08813436

Trajectory

5y · 2021–Now

Financial sub-scores

Computed from 5 filings
Net assets69 / 100
Headcount75 / 100
Key contacts (1)
NK
Nathan Kaldani
Director
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Company vitals
UK Headcount
10
UK Revenue
£217.8k
Founded
12 years ago
Since Dec 2013
HQ
Middlesbrough
Financial health
71

Financial Health

Healthy

Healthy · Hiring · 6% CAGR over 4y

Hiring

Location

Map of Middlesbrough
1g Brighouse Road
Middlesbrough, TS2 1RT
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Mr Facilities And Management Ltd

MR Facilities and Management
Physical Security ServicesManagement Consulting
3 employeesInc. 2023Stockton-on-TeesCH 15326188

Trajectory

1y · 2025–Now
Key contacts (1)
NM
Nazneen Majid
Director
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Company vitals
UK Headcount
3
UK Revenue
£136.9kEstimate
Founded
2 years ago
Since Dec 2023
HQ
Stockton-on-Tees
Financial health

Financial Health

Insufficient history

Insufficient history

Location

Map of Stockton-on-Tees
Fast Track House Pearson Way, Thornaby
Stockton-On-Tees, TS17 6PT
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Bancroft Maritime Security Solutions Ltd

Bancroft Maritime Security Solutions
Physical Security Services
Inc. 2009Darlington, County DurhamCH 07080933
maritimesecuritysolutions.co.uk

Trajectory

5y · 2020–Now

Financial sub-scores

Computed from 5 filings
Net assets0 / 100
Key contacts (1)
DB
David Bancroft
Director
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Company vitals
UK Headcount
0
UK Revenue
£9.9kEstimate
Founded
16 years ago
Since Nov 2009
HQ
Darlington, County Durham
Financial health
0

Financial Health

Distressed

Distressed

Financial distressTechnical insolvency

Location

Map of Darlington, County Durham
Lakeside House, 5 Marlborough Drive
Darlington, County Durham, DL1 5YA
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How Middlesbrough Security companies work and how to sell to them

What they do

Middlesbrough security firms usually earn revenue from labour-led physical security rather than from software or equipment resale. Core income comes from recurring guarding shifts, patrol routes, alarm response, key-holding cover, door teams and temporary site protection, with pricing tied to hours, risk level, travel, supervision and out-of-hours availability. Many contracts blend a retained service charge with call-out fees, incident reporting and mobilisation costs. The commercial product is partly deterrence, but just as much it is proof that trained people turned up, stayed on post, escalated incidents properly and could be replaced when sickness, weather or client changes disrupted the rota.

Who they sell to

Typical buyers sit in estates, facilities, operations, housing, construction, logistics and local public-sector teams, with procurement involved once spend becomes repeatable or tendered. Day-to-day sponsors are often facilities managers, site managers, operations directors, heads of estates or compliance leads; finance usually appears when a contract is being renewed or retendered. Smaller assignments can be bought through direct local relationships, referrals or urgent call-outs, while public-sector and industrial work tends to involve approved supplier lists, framework-style procurement or formal tenders. Sales cycles vary from days for temporary cover to months where vetting, references, insurance and mobilisation plans are reviewed.

What they buy

Most physical security firms tend to spend on tools and services that keep shifts staffed, evidenced and billable. Relevant categories include workforce scheduling, time and attendance, lone-worker safety, incident reporting, proof-of-attendance, payroll, HR, training administration, licence tracking and control-room systems. Larger operators may also need CRM, tender management, finance software, fleet support, uniforms, PPE, radios, body-worn devices, insurance, legal advice and accountancy. Recruitment services can be relevant where the seller understands licensed front-line roles and unsocial-hours staffing. Marketing support usually needs to be practical: local search, bid documents, accreditations, case studies and sector-specific sales material rather than broad awareness campaigns.

Why and how to sell to them

Security buyers tend to evaluate vendors when a new contract exposes rota gaps, a supervisor layer is added, a tender asks for better audit trails, or SIA-related processes become harder to evidence across multiple sites. Other triggers include expansion from Middlesbrough into wider Teesside or North East work, a move into control-room-led response, vehicle purchases, or rising reliance on subcontracted labour. Outbound works better when it recognises margin pressure and operational risk. Credible angles include reducing missed shifts, shortening payroll admin, improving incident evidence, supporting licence checks, helping bids look more credible, or giving managers clearer visibility across nights, weekends and dispersed sites.

How this list is built

Methodology

Data sources

This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.

Classification

Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.

Freshness

The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.

Also in Middlesbrough

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Frequently asked questions

How many security companies are there in Middlesbrough?
Around 73 actively-trading security companies are registered in Middlesbrough. Of those, 5 report turnover above £5M in their most recent filed accounts. This Middlesbrough list covers companies across the wider Middlesbrough travel-to-work area, including surrounding towns — not just the Middlesbrough local-authority boundary.
What counts as a security company in this list?
A company is included when its public website and filed activity descriptions indicate it sells security products or services as its primary business — not just because of the SIC code it picked at incorporation. Each company is tagged via semantic analysis of its website content; SIC codes are used as supporting signal, not the sole gate.
Which are the largest security companies in Middlesbrough?
The list is ranked by a sales-readiness score — built from trading signals, financial health and growth rather than raw turnover — so the most actionable security companies in Middlesbrough appear at the top of the table. Larger firms often still rank highly, because that score rewards genuine trading scale, but the order reflects sales-readiness, not turnover alone. About 5 of the 73 actively-trading firms report turnover above £5M in their most recent accounts; subsidiaries that file consolidated worldwide accounts are excluded so the figures stay comparable across UK filers.
What do security companies in Middlesbrough actually do?
Middlesbrough security firms usually earn revenue from labour-led physical security rather than from software or equipment resale. Core income comes from recurring guarding shifts, patrol routes, alarm response, key-holding cover, door teams and temporary site protection, with pricing tied to hours, risk level, travel, supervision and out-of-hours availability. Many contracts blend a retained service charge with call-out fees, incident reporting and mobilisation costs. The commercial product is partly deterrence, but just as much it is proof that trained people turned up, stayed on post, escalated incidents properly and could be replaced when sickness, weather or client changes disrupted the rota.
How does Middlesbrough security compare internationally?
Cross-border comparisons of security populations are tricky because every country defines the sector slightly differently and reports financials on different cadences. We focus this list on firms that file UK statutory accounts so the figures are comparable; international peer breakdowns aren't bundled here.
How is this list built and how fresh is the data?
The list is rebuilt from Companies House dump data, XBRL filings, and a website analysis pass over each company's public site. Companies with consolidated group accounts (worldwide rather than UK-only revenue) are excluded so the figures stay UK-specific. The page's last-updated date is shown at the top.
How big are the typical security companies in Middlesbrough?
Company sizes in this list vary widely. The median actively-trading security firm employs around 2 people, and median UK turnover across the list is roughly £42k in the most recent filed accounts.
Are these mostly new or established security companies?
21 of the 73 actively-trading security companies in this list were incorporated since 2022; the remainder were incorporated before then, so the Middlesbrough list mixes recent entrants with longer-established firms.
What SIC codes does this use?
Rather than relying solely on SIC codes, we build a semantic understanding of what each company actually does by scraping its website and analysing it with AI. This means a company is included based on what it sells, not what SIC code it picked at incorporation. SIC codes are used as a signal but not the primary classification.
What buying signals should I look for?
The strongest signals for B2B outbound are recent leadership changes (new CFO/CRO), rapid headcount growth, revenue-band changes, and web-stack changes. Firmbase tracks all of these automatically.

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