Calder Conferences limited

Public-sector supplier

Profile built from official UK public-sector award data.

Contracts won: 48
Total value: £374.4m
Buyers: 40
Active: 14 Sept 2015 – 19 May 2026

Eligible tenders

Based on the categories Calder Conferences limited has publicly won in. Eligibility is inferred from official award data — it is not a record of who bid.

Hospitality & Catering· what’s coming →Business Services· what’s coming →Supporting Transport & Travel Services· what’s coming →Research & Development· what’s coming →

£4.6bn

in 1,368 eligible tenders closed in the last 12 months.

NHS Workforce Alliance Health Workforce Solutions

Crown Commercial Service · £10.0bn framework ceiling · closed 22 Sept 2025 · Business Services

Estates & Facilities Consultancy Dynamic Purchasing System (DUPLICATE CONTRACT NOTICE ORIGINAL: 2021/S 000-001562) Reference: DN512850

London Procurement Partnership · £1.7bn framework ceiling · closed 12 Feb 2026 · Business Services

Estates & Facilities Consultancy Dynamic Purchasing System (DUPLICATE CONTRACT NOTICE ORIGINAL: 2021/S 000-001562)

London Procurement Partnership · £1.7bn framework ceiling · closed 12 Feb 2026 · Business Services

Travel Agency for Exams Uzbekistan

British Council · £1.1bn framework ceiling · closed 16 Dec 2025 · Supporting Transport & Travel Services

Support for Victims of Modern Slavery (SVMS) Contract

Home Office · £800m framework ceiling · closed 26 Sept 2025 · Business Services

Records Information Management, Digital Solutions and Associated Services 2 - Version 2

Crown Commercial Service · £500m framework ceiling · closed 3 Nov 2025 · Business Services

Open right now

CA17978 - Outsourced Catering Services 5

Crescent Purchasing Consortium Limited · £1.5bn framework ceiling · deadline 11 Aug 2026 · Hospitality & Catering

Outsourced Catering Services 5

Crescent Purchasing Consortium Limited · £1.5bn framework ceiling · deadline 11 Aug 2026 · Hospitality & Catering

Escorting and Related Services

Home Office · £1.2bn framework ceiling · deadline 5 Mar 2027 · Business Services

Extension of existing Dynamic Purchasing System (DPS) for the Supply of Temporary Accommodation

London Borough of Enfield · £355m framework ceiling · deadline 23 Feb 2029 · Hospitality & Catering

Dynamic Purchasing System (DPS) for Compliance & Facilities Management Services

PROSPER · £250m framework ceiling · deadline 27 Apr 2030 · Business Services

Temporary Worker Agencies and Interim Contractors/Consultants for Preferred Supplier Listing Status for Dorset Unitary Council Y24006

Dorset & Kent Commercial Services LLP T/A Connect2Dorset · £250m framework ceiling · deadline 2 Apr 2029 · Business Services

Civil Engineering Dynamic Purchasing System (DPS) Scotland - projects up to 5 million GBP

Scottish Government · £180m framework ceiling · deadline 4 Oct 2030 · Supporting Transport & Travel Services

Dynamic Purchasing System (DPS) of Temporary Agency, Contractor and Interim Agencies for Preferred Supplier Listing (PSL) Status for Hackney Borough Council – Y25013

Hackney and Kent commercial Services (t/a Connect2Hackney) · £180m framework ceiling · deadline 16 Jan 2029 · Business Services

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Deterministic 0–10 stats from official award data — 10 ≈ top 1% of UK public-sector suppliers.

Calder Conferences limited

Public-sector supplier

overall

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Decision-makers

Buyer network

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Wins over time

2015

2016

2017

2018

2019

2020

2021

2022

2023

2025

2026

Contract wins per year

Sectors they win in

Sector	Wins	Value
Hospitality & Catering	17	£237.4m
Business Services	15	£25.3m
Supporting Transport & Travel Services	6	£105.0m
Research & Development	2	£40k
Education & Training	2	£5.7m
Other Community & Personal Services	1	£25k
Radio, TV & Communications Equipment	1	£49k
Government & Public Administration	1	£10k