Strategic Defence and Security Review

A Strategic Defence and Security Review (SDSR) is the most significant policy document a government produces in the defence and security domain. It sets the overarching framework within which all defence capability planning, investment decisions, and ultimately procurement programmes are conducted. For suppliers active in European defence markets, understanding the content and conclusions of relevant national SDSRs is essential market intelligence.

What is a Strategic Defence and Security Review?

An SDSR typically covers several interconnected elements. The threat assessment identifies the security challenges a nation faces, from state-based military threats to terrorism, cyber attack, and climate-related instability. The strategic objectives set out the goals that national security policy seeks to achieve. The capability requirements translate strategic objectives into specific military and security capabilities that must be maintained, developed, or acquired. The resource allocation determines how defence spending will be distributed across capability areas, force structures, equipment programmes, and personnel.

The UK has conducted several formal SDSRs, most recently the 2021 Integrated Review (updated in 2023 as the Integrated Review Refresh), which set out the UK's defence and security posture, identified priority investment areas (including space, cyber, and advanced conventional capabilities), and shaped the equipment programmes that flow through the Defence and Security Public Contracts Regulations 2011. A subsequent Defence Command Paper translated the Review's conclusions into specific programme commitments.

Other European nations conduct equivalent exercises under different titles. France publishes a Loi de Programmation Militaire (Military Programming Law) that sets multi-year defence spending and capability commitments. Germany publishes a Zeitenwende defence policy framework. Poland has its Technical Modernisation Plan. These documents collectively describe the landscape of European defence investment and procurement activity.

At EU level, the European Defence Agency (EDA) conducts a Capability Development Plan (CDP) that provides a coordinated view of member state capability gaps and collaborative development priorities, effectively acting as a collective European equivalent to individual national reviews.

Why it matters for bidders

An SDSR and its equivalent documents directly determine which capability programmes will be funded and when. A supplier whose products align with the capability priorities identified in a recent national review is positioned in a growing market. A supplier whose core products address capability areas being reduced or de-prioritised faces contracting headwinds regardless of the quality of their technology.

Reading national SDSRs and defence capability plans is therefore not merely interesting background: it is the foundation of market planning for any serious defence supplier. The reviews identify not only what will be procured but at what scale, over what timeline, and through what mechanisms (national competition, collaborative European programme, or government-to-government arrangement). Aligning business development activity with the investment cycle identified in a review maximises the probability of being positioned correctly when competitions are launched.

Example

The UK's Integrated Review identifies unmanned systems and autonomous capabilities as a priority investment area. A British robotics company reads this as a market signal and invests in product development aligned with the capability gap, engages with the Defence and Security Accelerator (DASA) to demonstrate its technology to MoD, and positions itself to compete when formal procurement competitions are announced under the DSPCR 2011. The company's early engagement means it is known to the relevant procurement teams before the competition launch.

Frequently Asked Questions

How often are SDSRs conducted?

There is no fixed cycle. Reviews are typically conducted at the start of new governments or in response to major shifts in the security environment. The UK, for example, conducted reviews in 2010, 2015, 2021, and 2023. The interval reflects the political and strategic circumstances rather than a fixed timetable.

Are SDSR conclusions binding on procurement programmes?

An SDSR sets policy intent and funding assumptions, but it is not a legal commitment to procure specific systems. Subsequent events, budget pressures, or changes in government can result in programmes being delayed, scaled back, or cancelled. Suppliers should treat SDSR conclusions as strong directional signals rather than guaranteed contracts.

Do EU-level reviews affect individual member state procurement?

The EDA's Capability Development Plan influences member state planning and can drive collaborative programmes, but it does not override national sovereignty in defence spending decisions. Individual member states retain full control over their own defence budgets and procurement programmes. The EU-level review process is advisory and cooperative, not directive.