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Seiche Ltd

Holsworthy
Large

Seiche Ltd is a specialist in underwater noise and marine mammal monitoring, offering technology and environmental service solutions for offshore marine industries. They focus on passive acoustic monitoring (PAM) equipment and work with various sectors including oil and gas, renewables, and marine science.

seiche.com ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£1.8m
Live
3
Buyers
5
12m
—
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities1
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts3 / 6
  • Top buyers5
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Seiche LtdUpdated 06 Jul 2026

At a glance · for buyers and watchdogs

Seiche Ltd has won £1.8m across 5 public-sector buyers, with 3 live contracts. No active Companies House risk flags.

Why: top buyer DEPARTMENT FOR ENVIRONMENT, FOOD AND RURAL AFFAIRS at 87% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
3 of 6Live contracts
87%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 · 5
ModellingAcoustic propagation modelling services. ↗MeasurementIndustry ambient noise measurement services. ↗MitigationMarine mammal sound mitigation services. ↗EnvironmentalEnvironmental services. ↗TrainingTraining services related to marine acoustics. ↗
Frameworks & DPS · 1 from notices
  • A Noise Limit for Offshore Wind Pile Driving: Feasibility Assess & Pilot ProgramDEFRA · £127k

Extracted automatically from seiche.com 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 · 3 live · 3 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Reducing Noise from Offshore Wind Piling: A Pilot
DEPARTMENT FOR ENVIRONMENT, FOOD AND RURAL AFFAIRS7300000010 Feb 2025£1.6m4 yrsLive
A Noise Limit for Offshore Wind Pile Driving: Feasibility Assess & Pilot Program
DEFRA7320000030 Jun 2023£127k12 moClosed
Contract Award - Acoustic Monitoring System
Defence Science and Technology Laboratory3200000006 Jan 2023£51k3 moClosed
Subsea Noise Characterisation Services ORE22072
Offshore Renewable Energy Catapult7135000005 Dec 2022£60k12 moClosed
PQQ SIMA
Menter Môn Cyf45244100———Live
A Noise Limit for Offshore Wind Pile Driving: Feasibility Assess & Pilot Program
DEFRA90742100———Live
Total live value £1.6m · mean award £302k

Top buyers · 5 buyers · top 3 = 97%

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

✓ From notices
1
DEPARTMENT FOR ENVIRONMENT, FOOD AND RURAL AFFAIRS
1 contract
87%
since 2025
2
DEFRA
2 contracts
7%
since 2023
3
Offshore Renewable Energy Catapult
1 contract
3%
since 2022
4
Defence Science and Technology Laboratory
1 contract
3%
since 2022
5
Menter Môn Cyf
1 contract
0%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
London3 contracts
94%
Scotland1 contract
3%
South West1 contract
3%
Wales1 contract
0%

Peers

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

✓ From notices
SupplierSME?Awarded · 24mContracts
XE
XEWLI LIMITED
Yes£19.9m1
BT
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
No£17.6m1
I(
Ipsos (Market Research) Ltd
No£3.0m4
SU
SUSTENIC LIMITED
Yes£2.7m1
GE
Goonhilly Earth Station
Yes£2.3m1
SE
Seiche Ltd
No——
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 07 Dec 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.
03475558
Status
Active
Type
Private limited
Incorporated
03 Dec 1997
Reg. office
Bradworthy Industrial Estate Langdon Road, Bradworthy, Holsworthy, Devon, EX22 7SF
SIC codes
72190
Last accounts
31 May 2025
Next accounts due
28 Feb 2027

Directors & PSC

  • HOOK, Daniel James — director
    Appointed 01 Feb 2025
  • WYATT, Jacqueline Kensall — director
    Appointed 01 Feb 2025
  • ELLISON, Paula — director
    Appointed 18 Jan 2021
  • WYATT, Jacqueline Kensall — secretary
    Appointed 31 Oct 2000
  • WYATT, Roy — director
    Appointed 30 Apr 1998
  • Seiche Water Technology Group Ltd — person with significant control
    ownership of shares 75 to 100 percent · voting rights 75 to 100 percent
  • Mr Roy Wyatt — person with significant control
    significant influence or control

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
SEICHE LIMITED
03475558 · this company

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