UK SRS Compliance · S1 & S2 Requirements

UK SRS Compliance Framework

Complete UK SRS compliance guide covering FCA CP26/5 framework, S1 & S2 standards, implementation requirements, and mandatory compliance obligations for UK listed companies.

Last updated 15 May 2026 · Independent analysis

Compliance overview

FCA · CP26/5 Scope
1,800+companies
UK listed companies estimated to be in scope for mandatory UK SRS

Approximately 1,800+ UK-listed companies across premium and standard listings expected to fall within FCA mandatory requirements.

FCA · CP26/5 Impact Assessment

Market Cap Threshold
£5bn+proposed
FCA proposed market capitalisation threshold for mandatory compliance

Companies with market cap above £5bn likely to be captured in initial mandatory implementation phase, with lower thresholds to follow.

FCA · CP26/5 Consultation

Mandatory Start Date
1 Jan2027
Proposed mandatory application date for UK SRS compliance

FCA proposal for in-scope UK-listed companies to begin mandatory UK SRS reporting for financial years starting January 2027.

FCA · Implementation Timeline

Implementation Period
18months
Preparation window from UK SRS publication to mandatory implementation

Time available for companies to build governance, systems, and capabilities required for effective UK SRS compliance.

Industry Implementation Analysis

Assurance Requirements
Limitedinitially
Expected initial assurance requirement for UK SRS disclosures

Limited assurance likely required initially, with reasonable assurance expected for certain metrics in subsequent years.

FRC · Assurance Framework

Scope 3 Transition
1 Yearrelief
Proposed transitional relief period for Scope 3 emissions reporting

One-year comply-or-explain relief for Scope 3 emissions, with mandatory comprehensive reporting from 2028.

UK SRS S2 · Transitional Provisions

S1 & S2 requirements

S1

UK SRS S1 - General Requirements

Fundamental sustainability disclosure requirements

Core framework for sustainability-related financial disclosures covering governance, strategy, risk management, and metrics across all material sustainability matters.

Key Requirements:

  • Board oversight and governance processes
  • Strategy integration and business model impacts
  • Risk identification and management processes
  • Performance metrics and target setting
  • Materiality assessment and disclosure
S2

UK SRS S2 - Climate Disclosures

Climate-related financial disclosure requirements

Comprehensive climate-related disclosures covering GHG emissions, transition risks, physical risks, opportunities, and climate resilience planning.

Key Requirements:

  • Scope 1, 2, and 3 GHG emissions reporting
  • Climate risk assessment and disclosure
  • Scenario analysis and stress testing
  • Transition planning and net-zero commitments
  • Climate-related financial impact quantification

Compliance checklist

🏛️ Governance & Strategy

Board-level oversight and strategic integration requirements

Board sustainability expertise established
Sustainability committee formed with clear mandate
Climate strategy integrated into business model
Materiality assessment completed and documented
Risk management framework updated for climate risks
Executive remuneration linked to sustainability performance

📊 Data & Reporting Systems

Technical infrastructure and data collection capabilities

GHG emissions data collection system implemented
Scope 3 emissions assessment and tracking established
Climate scenario analysis capabilities developed
Internal controls and verification processes documented
Data quality assurance frameworks operational
External assurance arrangements established

👥 Capabilities & Skills

Internal expertise and capability development

Sustainability reporting expertise recruited/developed
Climate risk assessment capabilities established
Data analysis and verification skills developed
Stakeholder engagement processes designed
Project management capabilities for implementation
Legal and regulatory expertise available

⚖️ Legal & Regulatory

Regulatory compliance and legal framework alignment

FCA CP26/5 final requirements understood and mapped
UK SRS S1 and S2 standards compliance assessed
Legal entity scope and consolidation determined
Disclosure timing and publication processes established
Liability and insurance considerations addressed
International reporting alignment assessed (ISSB/EU)

Implementation roadmap

Phase 1
Q2-Q3 2026
Foundation Building
  • Governance setup
  • Initial capability assessment
  • FCA final rules analysis
Phase 2
Q4 2026
System Implementation
  • Data collection systems
  • Process establishment
  • Staff training
Phase 3
Q1 2027
Testing & Refinement
  • Pilot disclosures
  • Process testing
  • Final preparations
Phase 4
2027+
Ongoing Compliance
  • Annual reporting
  • Continuous improvement
  • Regulatory engagement
Implementation Recommendation

Begin compliance preparation immediately, even before final FCA rules are published. Early implementation provides competitive advantage and reduces compliance risk when UK SRS becomes mandatory in January 2027.

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