Top suppliers
Top suppliers to HOUSES OF PARLIAMENT
Top-five suppliers hold 90% of contract value — a concentrated market.
Procurement categories
What HOUSES OF PARLIAMENT buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
71457950Recent contracts
Latest HOUSES OF PARLIAMENT contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
Contract Award Notice
Sinden Construction Ltd · 2026-06-04
£1.4M
Energy Model Design on a Building Scale
Ove Arup · 2024-08-15
£20K
Catering Facility Extension in Portcullis House
Overbury PLC · 2024-06-02
£657K
Annunciator system hardware replacement, support and maintenance
Techex Ltd · 2024-04-29
£779K
Repairs to House of Lords Chamber Roof - Project Management, Cost Management and Associated Services
WSP UK Limited · 2024-04-09
£1.4M
Repairs to House of Lords Chamber Roof - Multidisciplinary Design and Associated Services
Ridge and Partners LLP · 2024-04-09
£2.0M
Principal Contractor: Events
PHD Modular Access Services Ltd. · 2024-03-27
£822K
AACS Software, Ongoing Support, Maintenance and Hardware
TDS (TIME DATA SECURITY) LIMITED · 2023-04-03
£8.0M
Distributed Antenna System within Landlord Office Space in Central London
ExcelRedstone Converged Solutions Limited · 2021-10-19
£436K
Elizabeth Tower Exhibition Design Services
Event Communications Limited · 2021-08-09
£92K
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In the enkii platform
What HOUSES OF PARLIAMENT has coming up
Sign in free to see the detail: titles, timings, values, and what to prepare.
Most of it is in construction works and repair & maintenance.
2
contracts ending in 12 months
Likely to be re-tendered: see which, and who holds them
Market analysis
Bidding into HOUSES OF PARLIAMENT — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
44%
Awards to SMEs
90%
Top-5 supplier share
36%
Framework call-offs
—
Awards to social enterprises
Around 44% of HOUSES OF PARLIAMENT’s classified awards go to small and medium-sized enterprises. Around 36%of awards are call-offs from framework agreements — getting onto the right framework matters as much as the bid itself here.
Frequently asked
Common questions about selling to HOUSES OF PARLIAMENT
How much does HOUSES OF PARLIAMENT spend on procurement?
HOUSES OF PARLIAMENT awarded 7 contracts totalling £7.1M between 2023-10-17 and 2026-10-17, working with 7 unique suppliers. Average contract value is £1.0M.
Who are HOUSES OF PARLIAMENT's top suppliers?
The largest suppliers to HOUSES OF PARLIAMENT by total award value are Ridge and Partners LLP, WSP UK Limited, Sinden Construction Ltd. The top five suppliers together hold 90% of contract value.
What does HOUSES OF PARLIAMENT buy from suppliers?
HOUSES OF PARLIAMENT's procurement is concentrated in architectural, construction, engineering and inspection services, construction work, business services: law, marketing, consulting, recruitment, printing and security, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for HOUSES OF PARLIAMENT contracts?
HOUSES OF PARLIAMENT publishes open tenders on Find a Tender and Contracts Finder. ENKII matches your business against live tenders, identifies certifications you'll need, and surfaces frameworks worth applying to. Free Readiness Score in 3 minutes.
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Related ENKII resources
GUIDE
PQQ & Selection Questionnaire — Procurement Act 2023
How UK central-government departments evaluate suppliers at the pre-qualification stage.
GUIDE
Cyber Essentials — for government contracts
Most central-government contracts handling personal data require this certification.
SECTOR
UK Government IT Services
G-Cloud, DOS, Crown Commercial frameworks. Software + consultancy is HOUSES OF PARLIAMENT's largest spend area.
INDEX
All UK public-sector buyers
Browse procurement profiles for every UK government department and major buyer.
Sources & methodology
How this profile is compiled
Analysed by ENKII · Updated 2026-10-17
This profile aggregates public-record procurement data published by the UK Government under the Open Government Licence v3.0. ENKII fetches, deduplicates, and aggregates source records; we don't edit the underlying facts.
Source portals
- · Find a Tender (find-tender.service.gov.uk)
- · Contracts Finder
Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.