Air Quality Consultants Ltd

SMER&D servicesUK · BristolCompany No. 02814570

Air Quality Consultants Ltd is a UK limited company, based in Bristol, incorporated in 1993. Has won 36 UK public-sector contracts worth £4.7m across 13 buyers, primarily DEFRA and R&D services work.

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Active contracts

no new awards in 30d

Contracted (12m)

£691k

▲ 314% vs prior 12m

Framework headroom (12m)

—

▼ 100% vs prior 12m

Public buyers

stable this month

Top buyer share

72%

DEFRA

Buyer concentration

Each block sized by share of total award value. A dominant block signals dependency on one buyer.

Severe concentration. Top buyer alone = 72% of revenue.

DEFRA

£3.3m

72%

Department for Environment Food & Rural Affairs

£709k

15%

Environment Agency

£300k

L&Q Construction

£76k

Natural England

£67k

Other (5 buyers)

£180k

Contracts won · 36 total · 8 active · 27 expired

Every contract award published under the Procurement Act.

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Title	Buyer	Award type	Value	Awarded	Status
Defra Research Development and Evidence Framework Award	DEFRA	Shared contract	£2.8m lot total · 29 suppliers	31 Jan 2022	expired
Compliance Reporting	Department for Environment Food & Rural Affairs	Direct contract	£236k	13 Apr 2026	pending
Defra - An Evaluation Framework and Process Evaluation for the 25 Year Environment Plan	DEFRA	Framework call off	£226k ceiling · ~£226k share	04 Oct 2021	expired
Development of supporting material for the inclusion of the PM2.5 targets in the planning system for The Research, Development and Evidence Framework 1	Department for Environment Food & Rural Affairs	Direct contract	£161k	20 Feb 2024	expired
Research into the Socioeconomic Costs of Chemical Pollution to the UK	DEFRA	Framework call off	£99k ceiling · ~£99k share	14 Oct 2021	expired
RDE602 Thermal Transport of Air Pollution from Regulated Industries (TAPRI)	Environment Agency	Direct contract	£99k	13 Aug 2024	expired
RDE866 - Modelling the impact of aviation lead emissions on the surrounding popu	Department for Environment Food & Rural Affairs	Direct contract	£90k	23 Sept 2025	expired
Towards Regulatory Readiness: Characterising and assessing Airborne PFAS	Environment Agency	Direct contract	£81k	12 Sept 2025	expired
London and Quadrant Housing Trust - Air Quality Consultant Framework 2020 - 2024 - AWARD	L&Q Construction	Shared contract	£76k lot total · 10 suppliers	20 Aug 2020	expired
RDE914 - Improving quantification of the uncertainty in emissions of air polluta	Department for Environment Food & Rural Affairs	Direct contract	£70k	02 Oct 2025	expired
RDE695 Road transport emission factors evidence review	Department for Environment Food & Rural Affairs	Direct contract	£68k	11 Nov 2024	expired
An Impact Evaluation of the European Maritime and Fisheries Fund	DEFRA	Direct contract	£63k	04 Apr 2023	expired
RDE815 Carbon Capture Atmospheric N-Amines Formation Estimation Tools	Environment Agency	Direct contract	£60k	04 Aug 2025	expired
RDE814 - Using inverse dispersion modelling to quantify methane emissions from l	Environment Agency	Direct contract	£60k	12 Sept 2025	expired
RDE273 Scoping study on PM2.5 targets implementation	Not Known	Direct contract	£50k	04 May 2023	expired

Showing 1–15 of 36

Air Quality Consultants Ltd

Buyer concentration

Contracts won · 36 total · 8 active · 27 expired

Top buyers · by total award value

Award value — last 8 quarters

Category mix — CPV divisions

Geographic spread

Modifications received · scope growth on existing wins

Compliance scorecard

Financial health

Company information

Corporate structure

Companies House data

Peer suppliers

News mentions

Compliance scorecard

Financial health

Company information

Corporate structure

Air Quality Consultants Ltd

Companies House data

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