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SS

SEMILONG SERVICES LIMITED

Construction work · Northampton
SME

Semilong Services Limited is a provider of drainage, civil engineering, roofing, and construction solutions. They offer a range of services including emergency drainage, construction capabilities, and pest control.

semilongservicesltd.co.uk ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£10.4m
Live
19
Buyers
13
12m
£3.2m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities2
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts19 / 29
  • Top buyers13
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — SEMILONG SERVICES LIMITEDUpdated 06 Jul 2026

At a glance · for buyers and watchdogs

SEMILONG SERVICES LIMITED has won £10.4m across 13 public-sector buyers, with 19 live contracts. No active Companies House risk flags.

Why: top buyer West Northamptonshire Council at 72% · 100% in Construction work · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
19 of 29Live contracts
72%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
Services · 5
DrainageEmergency, reactive, preventative, and pre-planned drainage services including drain cleaning and unblocking. ↗ConstructionConstruct-only and design-and-construct capabilities with a focus on innovation and technical excellence. ↗Civil EngineeringIdentifying, developing, and implementing innovative solutions for major infrastructure projects. ↗RoofingComprehensive roofing services for residential and commercial projects across Northamptonshire, Buckinghamshire, and Bedfordshire. ↗Pest ControlComprehensive insect and rodent control, bird proofing, and cleansing solutions. ↗
Frameworks & DPS · 2 from notices
  • Roman Close - Remedial WorksPlatform Housing Group · £770k
  • Reactive Maintenance Framework: Drainage 2019Leicestershire County Council · £143k

Extracted automatically from semilongservicesltd.co.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 · 14

Credentials listed on the supplier’s website. Not yet checked against issuer registers.

◐ From supplier website
Core credentials · 5/6
Cyber EssentialsNCSC ↗✓Cyber Essentials PlusNCSC ↗✓
ISO 27001 — Information securityNot evidenced✓
ISO 9001 — QualityISO✓
ISO 14001 — EnvironmentalISO✓
ISO 45001 — Health & safetyISO✓
Other credentials & memberships · 10
DrainSafe Approved Drainage CertificateCertification ↗CHAS Elite CertificateCHAS · Certification ↗N.A.D.C. CertificateCertification ↗Safe Contractor CertificateSafeContractor · Certification ↗NFP Framework PartnerCrown Commercial Service · Framework ↗NFRC CertificateCertification ↗PQS CertificateCertification ↗Achilles Network Silver Plus CertificateCertification ↗Constructiononline CertificateConstructionline · Certification ↗Social Value CertificateCertification ↗

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

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 · 19 live · 10 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
CPU 7468 Highways Gully Cleaning and Road Sweeping Framework
Nottingham City Council—27 Jul 2026£400k4 yrsLive
Refurbishment Works to County Hall
West Northamptonshire Council4500000008 Jun 2026£49k4 moLive
NUN - Drainage Maintenance 26/29
NUNEATON AND BEDWORTH COMMUNITY ENTERPRISES LIMITED—15 Jun 2026£1.3m3 yrspending
North Northamptonshire Council Refurbishment of Phoenix House
North Northamptonshire Council—01 Apr 2026£45k3 moClosed
Roman Close - Remedial Works
Platform Housing Group4500000001 Mar 2026£770k3 moClosed
Roofing Planned Installation and Responsive Repairs
MIDLAND HEART LIMITED—01 Apr 2026—2 yrspending
Plastering and Associated Works
NORTHAMPTONSHIRE PARTNERSHIP HOMES LIMITED—03 Feb 2026£143k2 yrsLive
PAN3350 - Depot Interceptor Waster Removal Contract
Leicester City Council—17 Nov 2025£100k2 yrsLive
Framework Agreement for the Supply, Installation and Maintenance of Hoarding
West Northamptonshire Council—01 Oct 2025£400k2 yrsLive
Maintenance and Minor Works Term Contract
West Northamptonshire Council4500000017 Sept 2024£495k6 moClosed
Total live value £1.1m · mean award £358k1–10 of 29

Top buyers · 13 buyers · top 3 = 92%

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

✓ From notices
1
West Northamptonshire Council
12 contracts
72%
since 2022
2
NUNEATON AND BEDWORTH COMMUNITY ENTERPRISES LIMITED
1 contract
12%
since 2026
3
Platform Housing Group
1 contract
7%
since 2026
4
Nottingham City Council
1 contract
4%
since 2026
5
NORTHAMPTONSHIRE PARTNERSHIP HOMES LIMITED
2 contracts
1%
since 2026
6
Leicestershire County Council
1 contract
1%
since 2020
7
Leicester City Council
2 contracts
1%
since 2025
8
North Northamptonshire Council
2 contracts
0%
since 2026
9
PLATFORM HOUSING LIMITED
2 contracts
0%
since 2023
10
MIDLAND HEART LIMITED
2 contracts
0%
since 2026

Category mix

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

✓ From notices
Construction work45
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
East Midlands21 contracts
80%
West Midlands6 contracts
20%
South East1 contract
0%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). SEMILONG SERVICES LIMITED highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
LP
LOVELL PARTNERSHIPS LIMITED
No£140.0m1
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
SS
SEMILONG SERVICES LIMITED
Yes£3.2m—
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 24 Mar 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.
06842550
Status
Active
Type
Private limited
Incorporated
10 Mar 2009
Reg. office
15 Gate Lodge Close, Round Spinney Industrial Estate, Northampton, NN3 8RJ
SIC codes
42910
Last accounts
31 Mar 2025
Next accounts due
31 Dec 2026

Directors & PSC

  • HOGAN, Sean Ian — director
    Appointed 01 Apr 2011
  • HOGAN, Ian Patrick — director
    Appointed 10 Mar 2009
  • Mr Sean Ian Hogan — person with significant control
    ownership of shares 25 to 50 percent · voting rights 25 to 50 percent · right to appoint and remove directors
  • Mr Ian Patrick Hogan — person with significant control
    ownership of shares 25 to 50 percent · voting rights 25 to 50 percent · right to appoint and remove directors

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
SEMILONG SERVICES LIMITED
06842550 · this company

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