Giant hogweed removal tenders and contracts
UK public sector, covering 600+ buyer sites
260 giant hogweed removal tenders and contracts, 55 this year.
Updated 4 November 2026 · compiled by BidSkim Limited · How we count
- Awarded a month£46k
- Contracts a month1
- Won by SMEs68%
- Renewing in 6 months2
- Frameworks and DPSs11
- Live now2See them →
Giant hogweed removal contracts
Tap a region to see its contracts. Pick as many as you like.
25 contracts across the UK, of any size
2 giant hogweed removal opportunities are open now
- Awarded7 Sep 2026Contoneaster Management Graig FawrNorth Wales Wildlife Trust · WalesWon by Ground Control
- Awarded7 Sep 2026Conteaster Management Moel HiraddugNorth Wales Wildlife Trust · WalesWon by Bodacc Limited
- Awarded31 Aug 2026Cotoneaster Treatment 2026Lancaster City Council · North WestWon by Complete Access Industrial Services
- Awarded28 Aug 2026Biological control of invasive plants 2026/27Llywodraeth Cymru / Welsh Government · WalesWon by CABI Europe – UK£70k
- Awarded7 Aug 2026CABI Floating Pennywort Biocontrol ExpansionEnvironment Agency · LondonWon by CABI International£100k
- Awarded27 Jul 2026MDP Enabling Package 3 - Collections Hub Himalayan BalsamRoyal Air Force Museum · LondonWon by McPhillips (Wellington) Ltd£46k
- Awarded20 Jul 2026Tree Surgery & Invasive Species ServicesDelta Housing Limited · East of EnglandWon by Glendale and 2 more
- Awarded29 Jun 2026Invasive Plant ManagementGreat Places Housing Group · North WestWon by Invasive Plant Management Ltd£42k
- Awarded1 May 2026Rewilding the Old Lea Project - Biocontrol of Hydrocotyle ranunculoidesLondon Borough of Hackney · LondonWon by CABI£12k
- Awarded10 Mar 2026Arbour Housing Ltd,Mar26,C1,2,3,8&9 - Greentown Environmental LtdArbour Housing Limited · Northern IrelandWon by Greentown
- Awarded10 Mar 2026Arbour Housing Ltd,Mar26,C1,2,3,8&9 - Idverde LtdArbour Housing Limited · Northern IrelandWon by idverde
- Awarded3 Mar 2026Arboriculture Tree ServicesAspire Housing · West MidlandsWon by HRJ Gould Limited
- Awarded23 Oct 2025INNS Control at Glyncastle -ResolvenNatural Resources Wales · WalesWon by Tirwedd Sustainable Garden & Tree Services LLP£25k
- Awarded24 Sep 2025Plant treatmentLancaster City Council · North WestWon by Complete access and tree services Ltd£32k
- Awarded8 Aug 2025NWB - Treat Japanese Knotweed and other invasive, dangerous and injurious weeds.North Warwickshire Borough Council · West MidlandsWon by Japanese Knotweed Ltd£32k
- Awarded31 Jul 2025T25-085ENV Invasive Alien Species Assessment of DCSDC Green Spaces 2025Derry City and Strabane District Council · Northern IrelandWon by Axion Solutions£12k
- Awarded5 Jun 2025Biological control of invasive plants 2024/25Llywodraeth Cymru / Welsh Government · WalesWon by CABI International£69k
- Awarded22 May 2025Highways & Footways Weed TreatmentGuildford Borough Council · South EastWon by Felden Limited
- Awarded1 May 2025Landscapes Scale Control of INNS ProjectLlywodraeth Cymru / Welsh Government · WalesWon by North Wales Wildlife Trust£137k
- Awarded8 Apr 2025Highways Weed Spraying and Treatment of Invasive WeedsBlackburn with Darwen Borough Council · North WestWon by Japanese Knotweed Ltd
- Awarded20 Mar 2025Provision of Japanese Knotweed & Other Invasive Weeds ManagementCity of Doncaster Council · Yorkshire and the HumberWon by AWS Landscapes£90k
- Awarded6 Dec 2024Invasive Non-Native Species (INNS) TreatmentLondon Borough of Hounslow · LondonWon by Japanese Knotweed Ltd£328k
- Awarded18 Nov 2024SW WSX Floating Pennywort and Vegetation Removal 24/25Environment Agency · South WestWon by Stonbury Limited£52k
- Awarded15 Nov 2024Floating Pennywort Invasive Species Management & Vegetation ClearanceEnvironment Agency · South WestWon by Stonbury Limited£52k
- Open to joinOpen nowUK-wide DPS
- Open to joinOpen nowNorth West DPS
Where giant hogweed removal tenders are run
Panacea2 29%
ProContract2 29%
Proactis2 29%
Delta eSourcing1 14%
Tenders published in the last year that name the bid portal they run on.
11 frameworks and DPSs for giant hogweed removal work are running. 2 are open to join now.
Japanese Knotweed Ltd won the most giant hogweed removal contracts
It also won the most by value. Each dot is one contract, coloured by who bought it.
| Rank | Contractor | Contracts won, by buyer | Contracts | Value won | Buyers | Share |
|---|---|---|---|---|---|---|
| 1 | Japanese Knotweed Ltd North West · SME · 1 framework place · See every contract | 4 | £360k | 4 | ||
| 2joint | CABI International London · See every contract | 2 | £169k | 2 | ||
| 2joint | Stonbury Limited South West · 1 framework place · See every contract | 2 | £104k | 1 | ||
| 4joint | North Wales Wildlife Trust Wales · SME · See every contract | 1 | £137k | 1 | ||
| 4joint | AWS Landscapes Yorkshire and the Humber · See every contract | 1 | £90k | 1 | ||
| 4joint | CABI Europe – UK Wales · SME · See every contract | 1 | £70k | 1 | ||
| 4joint | McPhillips (Wellington) Ltd London · SME · See every contract | 1 | £46k | 1 | ||
| 4joint | Invasive Plant Management Ltd North West · SME · See every contract | 1 | £42k | 1 | ||
| 4joint | Complete access and tree services Ltd North West · SME · See every contract | 1 | £32k | 1 | ||
| 4joint | Tirwedd Sustainable Garden & Tree Services LLP Wales · SME · See every contract | 1 | £25k | 1 |
12 more giant hogweed removal contractors ranked. See the full ranking →
Win giant hogweed removal contracts? Share your ranking.
Councils award 36% of giant hogweed removal contracts
Contracts with a published value in the last 2 years, from the type of buyer to the size of the contract.
5 buyers bought giant hogweed removal more than once in the last 2 years
Each dot is a buyer, by how many giant hogweed removal contracts it awarded in the last 2 years.
See who they are and when they usually buy →
Few and big, or many and small
Each dot is a buyer: how many giant hogweed removal contracts it awarded against what they were worth. The busiest and biggest are named.
Top buyers by contracts awarded
| Rank | Buyer | Contracts | Value |
|---|---|---|---|
| 1 | Llywodraeth Cymru / Welsh Government | 3 | £276k |
| 2 | Environment Agency | 3 | £204k |
| 3 | Lancaster City Council | 2 | £32k |
| 4 | Arbour Housing Limited | 2 | Not published |
| 5 | North Wales Wildlife Trust | 2 | Not published |
| 6 | London Borough of Hounslow | 1 | £328k |
| 7 | City of Doncaster Council | 1 | £90k |
| 8 | Royal Air Force Museum | 1 | £46k |
| 9 | Great Places Housing Group | 1 | £42k |
| 10 | North Warwickshire Borough Council | 1 | £32k |
96 giant hogweed removal contracts awarded since 2021
- 62021
- 292022
- 222023
- 172024
- 102025
- 122026 so far
Half of giant hogweed removal contracts are worth less than £49k
The 10 biggest giant hogweed removal contracts
- London Borough of HounslowJapanese Knotweed Ltd · 6 Dec 2024
- Llywodraeth Cymru / Welsh GovernmentNorth Wales Wildlife Trust · 1 May 2025
- Environment AgencyCABI International · 7 Aug 2026
- City of Doncaster CouncilAWS Landscapes · 20 Mar 2025
- Llywodraeth Cymru / Welsh GovernmentCABI Europe – UK · 28 Aug 2026
- Llywodraeth Cymru / Welsh GovernmentCABI International · 5 Jun 2025
- Environment AgencyStonbury Limited · 15 Nov 2024
- Environment AgencyStonbury Limited · 18 Nov 2024
- Royal Air Force MuseumMcPhillips (Wellington) Ltd · 27 Jul 2026
- Great Places Housing GroupInvasive Plant Management Ltd · 29 Jun 2026
3 giant hogweed removal contracts come up for renewal in the next 12 months
2 in the next 6 months. Most giant hogweed removal work is one-off: 38% of the contracts ending are recurring terms that get re-let. The 3 ending soonest are shown in full.
Weed Treatment Services_2024
Invasive Plant Management
Wales awards the most giant hogweed removal contracts. March and August are the busiest months.
Contracts by region and by month awarded. Click a region to filter the page.
The regions as a table
| Region | Open now | Contracts | Value | Typical contract | Won the most | Bought the most | Renewing in 12 months |
|---|---|---|---|---|---|---|---|
| Wales | 0 | 6 | £301k | £70k | – | Llywodraeth Cymru / Welsh Government (3) | 0 |
| North West | 0 | 4 | £74k | – | – | Lancaster City Council (2) | 1 |
| London | 0 | 4 | £486k | £73k | – | – | 0 |
| Northern Ireland | 0 | 3 | £12k | – | – | Arbour Housing Limited (2) | 0 |
| West Midlands | 0 | 2 | £32k | – | – | – | 0 |
| South West | 0 | 2 | £104k | – | Stonbury Limited (2) | Environment Agency (2) | 0 |
| Yorkshire and the Humber | 0 | 1 | £90k | – | – | – | 1 |
| East of England | 0 | 1 | Not published | – | – | – | 0 |
| South East | 0 | 1 | Not published | – | – | – | 0 |
| North East | 0 | 0 | Not published | – | – | – | 0 |
| East Midlands | 0 | 0 | Not published | – | – | – | 1 |
| Scotland | 0 | 0 | Not published | – | – | – | 0 |
- £46k a month
of giant hogweed removal contracts awarded.
Typical contract £46k x 1 contract a month, last 12 months. - 1
giant hogweed removal contracts are awarded in a typical month.
25 contracts in the last 2 years. - 2
giant hogweed removal contracts come up for renewal in the next 6 months.
Recurring contracts with a named supplier and a published end date before 5 May 2027. - 11
frameworks and DPSs are running for giant hogweed removal work.
2 open to join now. - 68%
of giant hogweed removal contracts are won by SMEs.
As recorded by the buyer, on 19 award notices.
How many giant hogweed removal tenders and contracts are there?
| Since November 2021 | Last 12 months | |
|---|---|---|
| Notices published | 260 | 55 |
| Contracts awarded | 91 | 12 |
12 giant hogweed removal contracts and frameworks end in the next 12 months, 6 of them recurring services. In the last two years, 18 buyers awarded giant hogweed removal contracts to 22 suppliers.
Source: Find a Tender, Contracts Finder, Public Contracts Scotland, Sell2Wales and eTendersNI, to 4 November 2026. By Seamus White. How we count
Questions
How many giant hogweed removal contracts does the UK public sector award?
25 in the 2 years to 4 November 2026, from 18 public buyers.
How long are giant hogweed removal tenders open for?
The median giant hogweed removal tender is open for 28 days from publication to deadline.
How much is a typical public sector giant hogweed removal contract worth?
The median is £49k, and 94% are worth less than £250k.
Who wins the most public sector giant hogweed removal contracts?
Japanese Knotweed Ltd won the most (4), and the most by value (£360k).
Which buyers award the most giant hogweed removal contracts?
Councils award 36% of them.
Which part of the UK awards the most giant hogweed removal contracts?
Wales: 6 of 25 in the 2 years to 4 November 2026, then the North West (4) and London (4).
How many giant hogweed removal contracts come up for renewal in the next 12 months?
3 contracts end and are likely to be re-let, the first on 28 February 2027. Another 5 ending are one-off work.
Are there frameworks or DPSs for giant hogweed removal work that are open to join?
11 frameworks and DPSs for giant hogweed removal work are running. 2 are open to join now.
What is included
Survey and control of Himalayan balsam, giant hogweed, skunk cabbage, floating pennywort and other invasive non-native plants on land and along watercourses, including catchment-scale programmes covering several species.
- Catchment and landscape-scale INNS control
- Himalayan balsam pulling and control
- Multi-species treatments including knotweed and balsam
- Invasive species control on an estate
- Ragwort and other injurious weed control
What is not included
- Knotweed-only work (see Japanese knotweed treatment and remediation)
- Rhododendron control (see Rhododendron control)
- Aquatic weed cutting (see Aquatic weed, watercourse and flood bank vegetation management)
- Bracken control on heath and moorland (see Peatland, mire and heathland restoration works)
- Invasive animals (see Pest control)