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2C

21ST CENTURY BUILDING SERVICES LTD.

Bristol
SME

21ST CENTURY BUILDING SERVICES LTD. is a construction company based in Bristol, specializing in various building services including refurbishment, extensions, new builds, and fit-outs. They have been operating for over 20 years in the South West and Wales.

21cbs.co.uk ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£13.2m
Live
5
Buyers
9
12m
—
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities2
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts5 / 29
  • Top buyers9
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — 21ST CENTURY BUILDING SERVICES LTD.Updated 06 Jul 2026

At a glance · for buyers and watchdogs

21ST CENTURY BUILDING SERVICES LTD. has won £13.2m across 9 public-sector buyers, with 5 live contracts. No active Companies House risk flags.

Why: top buyer University of Bristol at 37% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
5 of 29Live contracts
37%Top-buyer concentration
—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
Services · 6
RefurbishmentCut and CarveExtensionsNew BuildMechanical and ElectricalFit Out
Frameworks & DPS · 2 from notices
  • General Building WorksBath and North East Somerset Council · £2.5m
  • Bath Army Reserve Centre - Cadet Centre RefurbishmentWESSEX RESERVE FORCES' AND CADETS' ASSOCIATION · £500k

Extracted automatically from 21cbs.co.uk on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

Case studies · 1

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

◐ From supplier website
Creation of Specialist Music Recording & Listening Facilities at Bath Spa UniversityTransformation of two existing teaching spaces within the Compton Building into a specialist music recording and listening facility. ↗

Extracted automatically from 21cbs.co.uk 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 · 5 live · 24 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Contractor fees for the refurbishment of the SIM house as part of the Ofs grant funded work.
University Of The West Of England4540000005 Feb 2025£52k—Closed
Internal and External Repairs 2-3 George Street - Mini Competition General Building Framework Lot 2 - DN505397
Bath and North East Somerset Council4500000005 Aug 2024£120k6 moClosed
Internal and External Repairs - 22 Milsom Street - General Building Framework Lot 2 - DN505397
Bath and North East Somerset Council4500000001 Aug 2024£150k6 moClosed
Carrswood Roof Replacement - General Building Lot 2 - DN505397
Bath and North East Somerset Council4500000002 Aug 2024£400k5 moClosed
Redevelopment of staff offices
University Of The West Of England4500000027 Jun 2024£215k—Closed
Principal Contractor to carry out construction works - Lab Conversion
University Of The West Of England4521000007 Jun 2024£637k—Closed
Principal Contractor to carry out enabling works - Lab Conversion work
University Of The West Of England4511100025 Apr 2024£46k—Closed
Refurbishment works - 31 Milsom Street - Mini Competition from General Building Framework - DN505397
Bath and North East Somerset Council4500000009 Apr 2024£150k8 moClosed
Refurbishment of 2NC001 Accommodation Services Reception Area
University Of The West Of England4545310023 Nov 2023£43k—Closed
Mechanical, Electrical, Building and Roofing Works Framework
University of Bristol4521440018 Mar 2024£3.4m3 yrsLive
Total live value £3.4m · mean award £455k1–10 of 29

Top buyers · 9 buyers · top 3 = 81%

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

✓ From notices
1
University of Bristol
7 contracts
37%
since 2017
2
Bath and North East Somerset Council
8 contracts
25%
since 2021
3
University Of The West Of England
8 contracts
19%
since 2019
4
Bristol City Council
1 contract
8%
since 2019
5
University of Bath
1 contract
5%
since 2023
6
WESSEX RESERVE FORCES' AND CADETS' ASSOCIATION
1 contract
4%
since 2022
7
Wiltshire Council
1 contract
2%
since 2016
8
STAR PROCUREMENT LIMITED
1 contract
1%
since 2020
9
South Tyneside Borough Council
1 contract
0%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
South West26 contracts
99%
North West1 contract
1%
North East1 contract
0%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). 21ST CENTURY BUILDING SERVICES LTD. highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
JS
John Sisk and Son Ltd
No£67.8m1
KC
Kier Construction
Yes£35.4m2
WD
Willmott Dixon Construction Limited
No£28.1m2
CC
Clegg Construction Limited
No£18.8m2
MS
Morgan Sindall Construction and Infrastructure
No£12.5m1
2C
21ST CENTURY BUILDING SERVICES LTD.
Yes——
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 May 2025
Confirmation statement
Up to date
Next due 09 Jun 2027
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.
04002614
Status
Active
Type
Private limited
Incorporated
26 May 2000
Reg. office
Unit E, Malago Vale Trading Estate St John's Lane, Bedminster, Bristol, Bristol, BS3 5BQ
SIC codes
43210 · 43390
Last accounts
31 May 2025
Next accounts due
28 Feb 2027

Directors & PSC

  • ZAMMIT, Chloe Ellen — director
    Appointed 02 Jan 2025
  • ZAMMIT, Carl Anthony — director
    Appointed 01 Apr 2011
  • Mr Carl Anthony Zammit — person with significant control
    ownership of shares 75 to 100 percent · voting rights 75 to 100 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
21ST CENTURY BUILDING SERVICES LTD.
04002614 · this company

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