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SI

Siemsatec Ltd

Business services · Beckenham
SME

Siemsatec Ltd specializes in Building Management Systems (BMS) and offers a range of services including installation, maintenance, and energy optimization. They provide tailored solutions to enhance building efficiency and performance.

siemsatec.net ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£655k
Live
2
Buyers
4
12m
£88k
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts2 / 5
  • Top buyers4
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Siemsatec LtdUpdated 13 Jul 2026

At a glance · for buyers and watchdogs

Siemsatec Ltd has won £655k across 4 public-sector buyers, with 2 live contracts. No active Companies House risk flags.

Why: top buyer GSTT - Smart Together at 43% · 100% in Business services · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
2 of 5Live contracts
43%Top-buyer concentration
100%Category exposure
0Contract modifications
If you're a buyer:CapabilitiesReferencesKPIComplianceWatchdog?FlagsModificationsConcentrationNews

Social value

Commitments mapped to the Government Social Value Model themes.

⚑ Self-reported
—

No social-value commitments yet

Jobs, skills, environmental, inequality and community commitments appear here once a claimed supplier attributes them to awarded contracts, or once we detect them on the supplier’s website.

ESG & policies vault · 0/5

Key governance & sustainability policies. Published documents link out; missing ones are greyed.

↔ Cross-checked
Net-zero planNot provided✓
Modern slavery statementNot provided✓
EDI policyNot provided✓
Anti-briberyNot provided✓
Data protectionNot provided✓

Capabilities

What this supplier does, where they sit, who they sell to.

◐ From website & notices
Sectors served · 1/8
Central government✓
Local government✓
NHS & health✓
Housing✓
Utilities & energy✓
Financial services✓
Education✓
Defence✓
Services · 8
Service and MaintenanceEssential to our long-standing success in the marketplace. ↗Siemsatec ConnectThe future of remote building management. ↗24/7 Emergency Call Out AssistanceImmediate support whenever critical issues arise. ↗Energy OptimisationHelp clients reduce energy consumption, cut costs, and improve system performance. ↗BMS Design and ConsultancyDelivers intelligent, energy-efficient control solutions tailored to each building’s needs. ↗Projects and InstallationEnd-to-end management of building automation and energy control systems. ↗Control Panel ManufacturingBespoke, high-quality control panels designed to meet specific needs. ↗Systems IntegrationConnects diverse building systems into a unified, intelligent control platform. ↗

Extracted automatically from siemsatec.net on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

Case studies · 6

Delivery stories from the supplier’s website. Clients are not yet cross-checked against award records.

◐ From supplier website
The Royal Society of Science BMS UpgradeThe Royal Society of Science ↗SLaM BMS Service DeliverySLaM ↗Tea Trade Wharf BMS UpgradeTea Trade Wharf ↗Willowfield BMS InstallationWillowfield ↗Battersea Cats & Dogs Home BMS OptimisationBattersea Cats & Dogs Home ↗Alexandra Palace BMS PartnershipAlexandra Palace ↗

Extracted automatically from siemsatec.net on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

Buyer references

Named public-sector contacts who have agreed to act as a reference.

✓ Confirmed by buyer
—

No buyer references yet

Public-sector buyers can confirm they'll act as a reference for this supplier. Confirmed references — with the contract they relate to — show here.

Accreditations & memberships

Independently issued. Verification dates cross-checked against issuer registers.

↔ Cross-checked
—

No accreditations recorded

B-Corp, ISO, Cyber Essentials, Living Wage and similar credentials appear here once added by a claimed supplier and cross-checked against the issuing register.

KPI performance

Delivery, budget and satisfaction scores reported quarterly by buyers.

✓ Verified
84

No verified KPI scores yet

Once buyers report contract KPIs — delivery on time, on budget, satisfaction, adoption and accessibility — a weighted grade and breakdown appear here.

Contracts · 2 live · 3 historic

Pulled from Contracts Finder & Find a Tender. Most recent first.

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
ENHT - BMS Maintenance Support Services
The East and North Hertfordshire NHS Trust ("ENHT")7999300001 Oct 2025£88k3 yrsLive
BMS maintenance and support - SLaM
GSTT - Smart Together7999300001 Jun 2024£281k3 yrsLive
SLaM - BMS Head End Upgrade - ST21-P015
South London and Maudsley4842000001 Nov 2021£123k3 yrsClosed
SLaMT2017-027 BMS Maintenance and Servicing
South London and Maudsley5000000026 May 2018£131k3.1 yrsClosed
Provision of Building Management System Maintenance Services
King’s College Hospital NHS Foundation Trust—14 Jul 2026£32k3 mopending
Total live value £369k · mean award £131k

Top buyers · 4 buyers · top 3 = 95%

Share of awarded value. Concentration fires above 40% for any single buyer.

✓ From notices
1
GSTT - Smart Together
1 contract
43%
since 2024
2
South London and Maudsley
2 contracts
39%
since 2018
3
The East and North Hertfordshire NHS Trust ("ENHT")
1 contract
13%
since 2025
4
King’s College Hospital NHS Foundation Trust
1 contract
5%

Category mix

CPV-division share of last-12m awarded value. Single-category exposure: 100%.

✓ From notices
Business services79
100%
⚠ Concentration: 100% of recent awarded value sits in a single CPV division. A category-specific downturn would materially affect revenue.

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
South East2 contracts
89%
London1 contract
11%
Region resolved for 44% of awarded value (by buyer postcode); the remainder lacks a usable address.

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Siemsatec Ltd highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
TC
Topcoat Construction Limited / TCL Group
Yes£67.6m2
IW
Ian Williams
No£67.6m3
WH
Westone Housing
Yes£67.6m2
ER
EQUANS Regeneration Limited
No£67.6m3
CH
C Hanlon Facilities Management Ltd
Yes£67.6m2
SI
Siemsatec Ltd
Yes£88k—
Compare peers →

Red flags · 0 active

Automated scan of Companies House status, charges and insolvency records.

✓ Verified
✓ Clean. No active risk signals from Companies House status, charges or insolvency records.

Compliance scorecard

Derived from Companies House filings — not a full supplier-assurance check.

↔ Cross-checked
Trading status
Active
Live at Companies House
Annual accounts
Up to date
Last made up to 31 Mar 2025
Confirmation statement
Up to date
Next due 12 Oct 2026
Outstanding charges
0
No charges registered
Insolvency history
None
No insolvency cases registered
Certifications (ISO, Cyber Essentials, Living Wage, B-Corp, modern-slavery) are supplier self-reported and appear once a claimed profile adds them.

Modifications

Variations to awarded contracts logged under Procurement Act 2023 s.74.

✓ From notices
±

No modifications recorded

No published contract variations for this supplier. Modification notices appear here as they are issued under the Procurement Act 2023.

News mentions

UK trade press & nationals, matched to this supplier.

◰

No news mentions found

We haven't matched any recent UK press coverage to this supplier. Mentions appear here automatically as they're published.

Companies House

Live sync — registered details, directors, PSC and SIC codes.

✓ Live sync

Registered details

Company no.
05244032
Status
Active
Type
Private limited
Incorporated
28 Sept 2004
Reg. office
137-139 High Street, Beckenham, Kent, BR3 1AG
SIC codes
43999 · 71129
Last accounts
31 Mar 2025
Next accounts due
31 Dec 2026

Directors & PSC

  • HANDLEY, Helen Elizabeth — director
    Appointed 01 Nov 2023
  • SHEPHERD, Gavin — director
    Appointed 01 Nov 2023
  • CHINNERY, Nicholas John — director
    Appointed 23 Oct 2004
  • Mr Nicolas John Chinnery — person with significant control
    ownership of shares 50 to 75 percent · voting rights 50 to 75 percent

Financial

Filed accounts from Companies House.

↔ From Cos House
£

No financial filings on record

Turnover, profit and headcount appear here once audited or micro-entity accounts are filed at Companies House.

Org tree

Group structure and ownership.

↔ From Cos House
SIEMSATEC LTD
05244032 · this company

Independent. No parent company or subsidiaries recorded at Companies House for this entity.