CalfordSeaden

SMEArchitecture & engineeringUK · OrpingtonCompany No. OC315838

CalfordSeaden is a UK limited liability partnership, based in Orpington, incorporated in 2005. Has won 233 UK public-sector contracts worth £184.3m across 92 buyers, primarily Echelon Consultancy Ltd and architecture & engineering work.

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Active contracts

143

no new awards in 30d

Contracted (12m)

£34.4m

▼ 1% vs prior 12m

Framework headroom (12m)

—

▼ 100% vs prior 12m

Public buyers

stable this month

Top buyer share

40%

Echelon Consultancy Ltd

Buyer concentration

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

Diversified. Top 3 buyers = 67% of revenue.

Echelon Consultancy Ltd

£72.9m

40%

EASTERN PROCUREMENT LIMITED

£27.5m

15%

Hyde Housing Association Ltd

£22.5m

12%

Fusion21 Members Consortium

£10.4m

Communities & Housing Investment Consortium Ltd (CHIC)

£8.0m

Title	Buyer	Award type	Value	Awarded	Status
Rooftop Development Framework	Echelon Consultancy Ltd	Shared contract	£37.8m lot total · 16 suppliers	12 Jan 2022	active
EPCOMP25 Compliance Framework 2025	EASTERN PROCUREMENT LIMITED	Direct contract	£27.5m	23 Jan 2026	pending
Worcestershire and West Midlands Development Framework - April 24	Echelon Consultancy Ltd	Direct contract	£25.0m	30 Sept 2024	active
Development Consultants Framework	Hyde Housing Association Ltd	Direct contract	£22.5m	20 May 2024	expired
Watford Community Housing - Herts, Beds, Bucks Development Framework	Echelon Consultancy Ltd	Direct contract	£10.1m	26 Jun 2023	active
Fusion21 Building Safety & Compliance Framework - CF Award Notice	Fusion21 Members Consortium	Shared contract	£5.4m lot total · 123 suppliers	15 Apr 2025	active
CHIC Fire & Building Safety Framework 2024-2028	Communities & Housing Investment Consortium Ltd (CHIC)	Framework call off	£5.0m ceiling · ~£5.0m share	27 Jan 2025	active
Development Framework (Consultants)	Southern Housing Group	Direct contract	£4.5m	31 Jul 2017	expired
Construction Consultancy Services	Hyde Housing Association	Direct contract	£4.1m	21 Feb 2019	expired
CHIC Consultancy Services Framework 2021	Communities & Housing Investment Consortium Ltd (CHIC)	Direct contract	£3.0m	22 Sept 2021	expired
Homes England Development Monitoring and Management Services Framework 2021 - 2025	Homes England (the name adopted by the Homes and Communities Agency)	Framework call off	£2.7m ceiling · ~£2.7m share	05 May 2021	expired
Consultancy Framework - Lotted	Ipswich Borough Council	Direct contract	£2.5m	16 Mar 2026	pending
Framework Agreement for Principal Designer	Catalyst Housing Limited	Shared contract	£2.5m lot total · 16 suppliers	12 Sept 2019	expired
London and Quadrant Housing Trust - Mechanical, Electrical and Plumbing (MEP) Consultancy Services Framework - AWARD	L&Q Housing Trust	Direct contract	£2.2m	24 Feb 2025	active
Fusion21 Lifts Framework	Fusion21 Members Consortium	Direct contract	£1.7m	02 Jul 2020	expired

CalfordSeaden

Buyer concentration

Contracts won · 233 total · 143 active · 83 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

CalfordSeaden

Companies House data

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