RSK Adas Limited

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Who leads it

Previous officers 2

Directors and secretaries as filed at Companies House.

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From Contracts Finder and Find a Tender, the UK Government's public procurement notices, under the Open Government Licence v3.0. Matched to this organisation by company number, charity number or exact name and postcode; every figure links to its source notice.

• JNCC BUSINESS ASSOCIATES FRAMEWORK AGREEMENT TO SUPPORT NATURE CONSERVATION Buyer: JNCC SUPPORT CO £2,000,000 2026-09-10 Source: Find a Tender

  The Joint Nature Conservation Committee ("JNCC") is the statutory adviser to the UK Government and devolved administrations on UK and international nature conservation. JNCC and the conservation sector are under increasing pressure to deliv…

  Framework
• ETAFFCSFSW012 1-1 On Farm Advice Programme 2026 Buyer: Natural England £72,100 2026-07-07 CPV 90713000 Source: Contracts Finder

  The advice activities included in this specification, supports the farming industry in protecting water and air quality in the Lot 4: Southwest Catchment Sensitive Farming (CSF) Priority Catchments whilst maximising the opportunities for 'w…
• Catchment Sensitive Farming: One-to-one Advice Programme July 2026 to December 2026 on behalf of Natural England Buyer: Natural England £60,000 2026-06-30 CPV 30000000 Source: Contracts Finder

  The advice activities included in this specification, supports the farming industry in protecting water and air quality in the East and West Midlands Catchment Sensitive Farming (CSF) Priority Catchments whilst maximising the opportunities …
• Ecology & Hydrology Surveys and Assessments Buyer: ANGLIAN WATER SERVICES LIMITED Value not published 2026-06-02 Source: Find a Tender

  Anglian Water Services Ltd was undertaking a Procurement Exercise to assess Bidders for Terrestrial Ecology, Marine Ecology, Hydrology Surveys and Assessments.

  Framework
• ETAFFCSFS&E10 - One-to-one Advice June 2026 to November 2026 Buyer: Natural England £72,720 2026-06-01 CPV 80540000 Source: Contracts Finder

  ETAFFCSFS&E10 - One-to-one Advice June 2026 to November 2026
• ETAFF CSFNorth13 Buyer: Natural England £63,480 2026-04-16 CPV 80540000 Source: Contracts Finder

  ETAFF CSFNorth13
• RDE883 - Agricultural Land and Organic Waste: A National Capacity Estimator (AL Buyer: Department for Environment, Food & Rural Affairs £114,273 2026-01-13 CPV 73200000 Source: Contracts Finder

  This project will further our understanding of the available landbank for spreading organic materials by updating the 'Agricultural Land and Organic Waste: A National Capacity Estimator' (ALOWANCE) model, accounting for additional factors w…
• ETAFFCSFNAT003 Buyer: Natural England £33,408 2025-12-12 CPV 90713000 Source: Contracts Finder

  ETAFFCSFNAT003
• RDE959: Evaluating and enhancing the Land Use Choices Tool (LUCT) for Woodland C Buyer: Environment Agency £90,000 2025-12-08 CPV 73200000 Source: Contracts Finder

  Environment Agency RDE Framework 1 Direct Award Only
• ETAFF CSFNorth12 Buyer: Natural England £77,250 2025-12-05 CPV 90713000 Source: Contracts Finder

  ETAFF CSFNorth12 Catchment Sensitive Farming: One-to-one Advice Programme
• ETAFFCSFS&E09 Buyer: Natural England £45,700 2025-11-10 CPV 90713000 Source: Contracts Finder

  ETAFFCSFS&E09
• RDE961 - IPM Planning Tool Updates Buyer: Department for Environment, Food & Rural Affairs £27,300 2025-11-05 CPV 73200000 Source: Contracts Finder

  High-level aim: Support the goals of the Pesticides National Action Plan to increase uptake of Integrated Pest Management (IPM) by maintaining the IPM Tool. Contract awarded by Defra.
• RDE847 - An economic appraisal of impacts caused by beavers on farm businesses a Buyer: Natural England £98,063 2025-11-03 CPV 73200000 Source: Contracts Finder

  Natural England is the licensing authority for wildlife (except for marine species) and provides leadership in restoring beaver to the English landscape where this maximises benefit for nature's recovery. Contract awarded by Defra.
• RDE878 - An economic assessment of impacts where beaver activity interacts with Buyer: Environment Agency £98,166 2025-10-20 CPV 73200000 Source: Contracts Finder

  This project will play a role in delivering our priorities as well as feeding into the wider aims of the Defra 25-year environment plan and Plan for Water. Contract awarded by Defra.
• RDE895 - Assessment of mitigation options for peat soil greenhouse gas emissions Buyer: Department for Environment, Food & Rural Affairs £64,443 2025-10-17 CPV 73200000 Source: Contracts Finder

  The aim of this project is to assess mitigation options for peat soil greenhouse gas emissions in livestock systems in England. Contract awarded by Defra
• RDE911 - An investigation into the effect of international differences in produc Buyer: Department for Environment, Food & Rural Affairs £48,798 2025-10-15 CPV 73200000 Source: Contracts Finder

  To improve our understanding of the price and competition effects of differences in production standards between the UK and the countries which we import goods from. Contract awarded by Defra.
• The Provision of HSE's Pesticide Usage Survey Buyer: Health & Safety Executive £1,800,000 2025-09-22 CPV 90732800 Source: Contracts Finder

  To continue delivery of a scheme to capture a representative sample of cases of pesticide and biocide exposures in the UK which result in the involvement of a medical professional (e.g. paramedic, GP or attendance at accident and emergency …
• RDE740 - To explore options for the long-term conservation and maintenance of th Buyer: Department for Environment, Food & Rural Affairs £44,053 2025-09-16 CPV 73200000 Source: Contracts Finder

  This project will be mainly a desk-based study to explore the long-term options for duplicating and maintaining the NFC. Contract awarded by Defra.
• RDE913 - Environmental Equity Index (EEI) Mapping Buyer: Natural England £4,807 2025-09-15 CPV 73200000 Source: Contracts Finder

  The purpose of this task is to produce a spatially referenced, normalised Years Life Lost (YLL) raster dataset for England at a 100m x 100m resolution, enabling geographic analysis of premature mortality as part of broader environmental equ…
• RDE909 - Research to underpin update of Codes of Practice Buyer: Department for Environment, Food & Rural Affairs £49,998 2025-09-02 CPV 73200000 Source: Contracts Finder

  Defra and HSE propose to review and update the Code of Practice for Using Plant Protection Products (PPPs) for England and Wales and the Code of Practice for Suppliers of Pesticides to ensure the continued effective protection of the enviro…
• RDE803 - Advice on methodology for generating nutrient export coefficients for l Buyer: Natural England £19,668 2025-08-20 CPV 73200000 Source: Contracts Finder

  The aim of this project is to develop a methodology for how best to generate nutrient export coefficients for agricultural land use and if it is possible to improve the semi natural habitat values used for NN, so that these can then be used…
• RDE870 - IPM Resource Management 2025-26 Buyer: Department for Environment, Food & Rural Affairs £65,320 2025-08-05 CPV 73200000 Source: Contracts Finder

  This project aims to build on RDE project 630 "IPM Decision Platform and Toolbox UK 2024-2025" to secure continuous access to, and promoting consultation of, the IPM Decisions platform and IPMWORKS Toolbox for UK users for the 2024-2025 sea…
• ETAFFCSFSW006 One-to-One Advice Programme 2025 Buyer: Natural England £66,900 2025-08-04 CPV 90700000 Source: Contracts Finder

  Summary of Advice One-to-one on-farm advice x 30 CSF 2 Nutrient Management Planning x 6 CSF 3 Farm Infrastructure Appraisal x 6 CSF 4 Storage and Handling of Organic Manures and Silage x 6 CSF 8 Improving Soil Management x 3 CSF 12 Wat…
• RDE860 - Insecticide resistance monitoring 25-26 Buyer: Department for Environment, Food & Rural Affairs £100,000 2025-08-01 CPV 73200000 Source: Contracts Finder

  This project seeks to understand how effective insecticide products are against key pests. Contract awarded by Defra.
• ETAFF CSFMidlands06 Buyer: Natural England £40,100 2025-07-25 CPV 80540000 Source: Contracts Finder

  ETAFF CSFMidlands06
• RDE704 - Completion of GI Mapping Indicator Reports and Research into the Measu Buyer: Natural England £16,173 2024-10-23 CPV 73200000 Source: Contracts Finder

  To develop and report on indicators for Greenness in urban areas relating to the Urban Greening Factor Standard. Contract awarded by Defra.
• 2023-660 Cereals & Oilseeds crop intentions, condition and progress reporting Buyer: AHDB £480,000 2024-06-03 CPV 79310000 Source: Contracts Finder

  Provide cereals and oilseeds crop harvest, planting, and crop development reporting across the season. The information needs to inform growers, grain traders, processors, industry stakeholders and other interested parties about planting pro…
• Environmental Benchmarking Buyer: Agriculture & Horticulture Development Board (AHDB) Value not published Date not published CPV 77000000 Source: Find a Tender

  AHDB will provide environmental benchmarking (Envirobench) to the industry. Leading to improved resource efficiency, improved on-farm decision making, and measurable improvements in business performance and environmental performance. This E…
• UVDB Powered by Achilles QUDM for Goods, Works and Services Buyer: AFFINITY WATER LIMITED Value not published Date not published Source: Find a Tender
• ES RDE 025 - Conventional crop responses to higher water table levels Buyer: DEPARTMENT FOR ENVIRONMENT, FOOD AND RURAL AFFAIRS Value not published Date not published Source: Find a Tender

  Defra self-service direct award. The purpose of this work is to determine which conventional horticultural crops and cultivars can tolerate higher water tables and to generate the physiological, morphological and yield-related data needed f…
• Trydan Environmental Baseline Framework Tender Award Notice Buyer: Trydan Gwyrdd Cymru Value not published Date not published Source: Find a Tender

  Trydan Gwyrdd Cymru (Trydan) is awarding the following professional services for large-scale wind farm developments in Wales. • Baseline ornithological surveys and reporting. • Baseline habitat classification, soils, and peat surveys and re…

  Framework
• Recommended List Variety Trials Buyer: Agriculture and Horticulture Development Board Value not published Date not published Source: Find a Tender

  The AHDB Cereals and Oilseeds Recommended Lists (RLs) provide levy payers and the wider industry with independent information on the characteristics and market options for new cereal and oilseed varieties. The information provided by the RL…
• ES RDE 127 - Analysis of Integrated Pest Management IPM Planning Tool data Buyer: DEPARTMENT FOR ENVIRONMENT, FOOD AND RURAL AFFAIRS Value not published Date not published Source: Find a Tender

  Defra self-service direct award. High-level aim: Support the goals of the Pesticides National Action Plan to increase uptake of Integrated Pest Management (IPM) by maintaining the IPM Tool. It will specifically help deliver NAP action 1: I…
• Defra Climate Service for FFNE (CSF Climate Change Project) Buyer: Met Office Value not published Date not published Source: Find a Tender

  This requirement is for RSK ADAS to undertake follow-up research with farms that previously received water resource management advice, assessing the uptake of recommended adaptation measures, barriers to implementation, and the overall effe…
• Local Resource Option Screening Study near Holbeach Marsh Buyer: Environment Agency Value not published Date not published Source: Find a Tender

  Local Resource Option Screening Study in the Holbeach Marsh area. In this scope of work, we are asking for you to undertake an identification, screening and ranking study of local resource options available to a specified group of abstracto…

About

What it does

Environmental consulting activities

Incorporated

18/11/2016

Registered office

Helsby

Ownership

Group

1. RSK Adas Limited is controlled by RSK Environment Limited
   Evidence

   active 75-100% shares, 75-100% voting, appoints directors · notified 2023-10-25 · source: Companies House PSC register
2. RSK Environment Limited is controlled by RSK Group Limited
   Evidence

   active 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
3. RSK Group Limited is controlled by Alasdair Alan Ryder
   Evidence

   ceased 25-50% voting · notified 2016-04-06, ceased 2025-12-18 · source: Companies House PSC register

Ultimately controlled by Alasdair Alan Ryder.

Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.

360Giving data, published by funders. Coverage only includes funders who publish their grants to 360Giving, so these figures are a floor, not a complete picture.

Top funders

• Department for Environment, Food and Rural Affairs · £4,951,868 (24 grants)
• Department for Science, Innovation and Technology · £1,253,649 (27 grants)
• Department for Business, Energy and Industrial Strategy · £1,113,955 (22 grants)

Most recent

• Department for Science, Innovation and Technology £7,4422024-08-20
• Department for Science, Innovation and Technology £2,2332024-07-04
• Department for Environment, Food and Rural Affairs £67,7512024-04-01
• Department for Environment, Food and Rural Affairs £23,2392024-04-01
• Department for Environment, Food and Rural Affairs £1,9822024-04-01

Sources

Official record from Companies House. Governance Register calculates the connections.