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TH

Thames21

Gravesend
Large

Thames21 is dedicated to improving rivers and engaging communities in their care. They mobilize volunteers to restore and enhance the capital's river network, focusing on biodiversity and climate resilience.

thames21.org.uk ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£538k
Live
5
Buyers
6
12m
£174k
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts5 / 10
  • Top buyers6
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Thames21Updated 13 Jul 2026

At a glance · for buyers and watchdogs

Thames21 has won £538k across 6 public-sector buyers, with 5 live contracts. No active Companies House risk flags.

Why: top buyer Buckinghamshire Council at 53% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
5 of 10Live contracts
53%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
Sectors served · 1/8
Central government✓
Local government✓
NHS & health✓
Housing✓
Utilities & energy✓
Financial services✓
Education✓
Defence✓
Services · 3
Empower CommunitiesMobilising thousands of volunteers to transform neglected rivers into usable areas. ↗Restore Capital's River NetworkWorking to clean and green the capital’s 400-mile network of rivers through innovative solutions. ↗Build a Climate Resilient LondonHelping communities and rivers adapt to climate change impacts. ↗

Extracted automatically from thames21.org.uk on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

Case studies

Delivery stories the supplier has published, with sector and outcome.

⚑ Self-reported
—

No case studies yet

Once a claimed supplier publishes delivery stories — the buyer, the sector, what was delivered and the outcome — they appear here.

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 · 5 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Ladywell Fields River Restoration and Biodiversity Net Gain (BNG) Project - Direct Award to Thames21
London Borough of Lewisham—18 Mar 2026£174k12 moLive
Buckinghamshire Thames NFM Project
Buckinghamshire Council7310000022 Jul 2024£285k2.4 yrsLive
GB-Swindon: UKRI-4158 Integrated assessment of agricultural and road runoff pollution risks to our rivers
UK Research & Innovation7311000001 Jul 2024£49k1.5 yrsClosed
Enfield Lea Catchment Partnership
London Borough of Enfield7100000001 Apr 2020£5k9 moClosed
Pymmes Brook Constructed Wetlands Inception Study
London Borough of Enfield7100000005 Mar 2020£9k1 moClosed
Meridian Water Constructed Wetland Water Quality Modelling
London Borough of Enfield7100000008 May 2019£10k1 moClosed
Albany Park Community Engagement Programme
London Borough of Enfield9800000031 Jan 2019£8k11 moClosed
Landscape Recovery Scheme - PDP
London Borough of Enfield————Live
Community Engagement
London Borough of Harrow————Live
River Condition Assessment surveys in Epping
The Mayor and Commonalty and Citizens of the City of London————Live
Total live value £458k · mean award £54k

Top buyers · 6 buyers · top 3 = 94%

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

✓ From notices
1
Buckinghamshire Council
1 contract
53%
since 2024
2
London Borough of Lewisham
1 contract
32%
since 2026
3
UK Research & Innovation
1 contract
9%
since 2024
4
London Borough of Enfield
5 contracts
6%
since 2019
5
London Borough of Harrow
1 contract
0%
6
The Mayor and Commonalty and Citizens of the City of London
1 contract
0%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
Eastern6 contracts
59%
London2 contracts
32%
South West1 contract
9%
South East1 contract
0%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Thames21 highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
I(
Ipsos (Market Research) Ltd
No£5.7m3
VI
Venture Independent School Ltd
No£4.8m1
WU
WSP UK Limited
No£3.2m5
PF
People For Research Limited
Yes£3.0m1
T&
Turner & Townsend Project Management Ltd
No£1.6m1
TH
Thames21
No£174k—
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 29 Nov 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.
04985828
Status
Active
Type
Private Limited Guarant Nsc
Incorporated
05 Dec 2003
Reg. office
London River House, Royal Pier Road, Gravesend, Kent, DA12 2BG
SIC codes
39000
Last accounts
31 Mar 2025
Next accounts due
31 Dec 2026

Directors & PSC

  • BAUER, Juliet Claire — director
    Appointed 26 Feb 2026
  • JOHNSTON, Paul Alexander — secretary
    Appointed 22 Jun 2023
  • RAWNSLEY, Grace Ellen — director
    Appointed 22 Jun 2023
  • RIGGS, Katherine Sarah, Dr — director
    Appointed 06 Oct 2022
  • LITTLETON, Laura — director
    Appointed 06 Oct 2022
  • WOOD, Charlotte Emma — director
    Appointed 14 Jun 2022

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
THAMES21 LIMITED
04985828 · this company

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