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Big Yellow Group plc: Business Overview, Financials & Competitive Analysis

Big Yellow Group plc scores 7/10 on the AskCyborg Cyborg Score (Solid). UK's dominant self-storage REIT with resilient recurring revenues, high brand equity, and significant geographic expansion runway, though near-term cost pressures require monitoring. Big Yellow demonstrates strong market leadership in a consolidating sector with substantial property assets and recurring revenue streams. However, rising operational costs (8.5% business rates increase.

What is Big Yellow Group plc's industry? Big Yellow Group plc (bigyellow.co.uk) operates in Real Estate Investment Trust (REIT) / Self-Storage. AskCyborg classifies Big Yellow Group plc under Real Estate Investment Trust (REIT) / Self-Storage in its company registry.

Big Yellow Group is the UK's largest self-storage operator, owning and managing 111 storage facilities across the country. The company is listed on the London Stock Exchange as a FTSE 250 constituent REIT, offering se...

7/ 10Solid

Cyborg Score thesis

UK's dominant self-storage REIT with resilient recurring revenues, high brand equity, and significant geographic expansion...

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Industry Real Estate Investment Trust (REIT) / Self-Storage
2 named competitors
3 recent developments
11 analyst dimensions
Synthesized from analyst-debate stress-testing across 11 dimensions and hundreds of data points. Methodology →
Cyborg Score recalibrated: September 14, 2026
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What's in This Report
Big Yellow Group plc OverviewStrategic ProfileCompetitive LandscapeIndustry ContextKey facts
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Big Yellow Group plc Overview

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Big Yellow Group is the UK's largest self-storage operator, owning and managing 111 storage facilities across the country. The company is listed on the London Stock Exchange as a FTSE 250 constituent REIT, offering secure self-storage solutions for both residential and business customers under the Big Yellow and Armadillo brands.

Strategic Profile

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Big Yellow dominates the UK self-storage market with the highest brand awareness in the sector and maintains strong competitive positioning through a portfolio with 99% freehold or long-leasehold ownership. The company is geographically concentrated in high-value London and Southeast markets, generating 75% of revenue from these regions, with expansion plans including a pipeline of 13 new facilities totaling 0.9 million sq ft.

Competitive Landscape

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Big Yellow operates in the UK self-storage market against smaller regional operators and emerging private equity-backed competitors. The sector is consolidating with significant barriers to entry (property acquisition, planning approvals, brand development), and Big Yellow's unmatched scale, brand recognition, and London/Southeast concentration provide defensive positioning relative to fragmented rivals.

Industry Context

Big Yellow Group plc operates in Real Estate Investment Trust (REIT) / Self-Storage.

Key facts

Founded: 1998 · Headquarters: Bagshot, UK · Employees: 465 · Market cap: £20.5B

What the analysts stress-tested

The top findings that survived the multi-agent debate for Big Yellow Group plc.

  • Market leader with 111 stores and highest brand awareness in UK self-storage sector, operating 6.5-6.6M sq ft of lettable space
  • Strong balance sheet with 99% freehold/long-leasehold ownership providing durable competitive moat and pricing power
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Recent developments

Material events tracked by the AskCyborg corpus.

  • January 2026Quarterly revenues increased with four new store openings, signaling continued portfolio expansion momentum
  • December 2025Big Yellow ended acquisition talks with Blackstone, remaining independent while maintaining strategic growth focus
  • +1 moreTrack every material event for Big Yellow Group plc as it happens. Explore monitoring →
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Named competitors

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Industry context

Big Yellow Group plc operates in Real Estate Investment Trust (REIT) / Self-Storage. See how the rest of the sector scores on the Cyborg framework.

Top companies in Real Estate Investment Trust (REIT) by Cyborg Score

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Every report is stress-tested by a panel of AI analysts arguing across 11 dimensions. The output is the part of the case that survived pushback.

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The Cyborg Score is recomputed weekly against fresh data. Recent material developments are continuously tracked and surfaced.

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Methodology open at /methodology

The framework, dimensions, and band breakdowns are documented. The same company gets the same score from any analyst running the framework.

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Sources: public filings, regulatory data, news flow, and proprietary analyst signals. Read the methodology →

Frequently asked questions

What does Big Yellow Group plc do?+
Big Yellow Group is the UK's largest self-storage operator, owning and managing 111 storage facilities across the country. The company is listed on the London Stock Exchange as a FTSE 250 constituent REIT, offering se...
What is Big Yellow Group plc's Cyborg Score?+
Big Yellow Group plc has a Cyborg Score of 7/10 (Solid). The score synthesizes business model, financials, leadership, competitive position, technology, marketing, and ESG dimensions across hundreds of data points.
Who are Big Yellow Group plc's main competitors?+
Named competitors include Regional self-storage operators, Armadillo Self Storage. The full competitive landscape is in the AskCyborg report.
How can I get the full Big Yellow Group plc research report?+
Get the report plus analyst-debate audio at askcyborg.com -- no credit card required for preview access. Pro adds saved-company audio playlists and monitoring.
How current is the Big Yellow Group plc research?+
The Cyborg Score is recalibrated weekly. Recent developments are tracked continuously and surfaced in every report.

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