The Firm
Blackwell & Stone was founded on a simple premise: the organisations navigating Australia's most demanding compliance environments deserve advisors who have actually been inside those environments, not consultants reading from the same frameworks their clients are trying to interpret.
Our Story
The principal of Blackwell & Stone spent over ten years working at the intersection of Defence ICT, security architecture and assurance, advising large organisations through the processes that most advisory firms treat as theoretical. That includes holding an AGSVA security clearance, working directly within classified environments, and delivering Authority to Operate outcomes for enterprise clients.
The firm was founded because that experience is rare. Organisations navigating Department of Defence cloud onboarding and security accreditation through the Defence Digital Group and Joint Capabilities Group delivery environment consistently encounter the same problem: advisors who understand the standard but not the environment, or who understand the environment but cannot translate it into documentation that satisfies accreditation.
The same gap exists in AI governance. Organisations are deploying AI at pace across functions and business units, but the governance frameworks, oversight structures, and accountability mechanisms needed to manage that exposure are not keeping up. The risk is real and largely invisible until it isn't.
Blackwell & Stone exists to close both gaps.
Spanning Department of Defence cloud onboarding, security accreditation documentation, and DCIAB submission — working within the Defence Digital Group and Joint Capabilities Group delivery environment.
Australian Government Security Vetting Agency clearance — enabling direct engagement with classified environments and sensitive defence programmes.
Supported enterprise clients through to achieving Authority to Operate — including the full accreditation documentation pack, DCIAB Assessment & Authorisation review management, and DCIAB CISO sign-off.
Client Work
A key engagement involved supporting a software delivery program through the full DCIAB accreditation lifecycle, resulting in formal recognition from the DDG CIO for accelerating the design-to-accreditation progression of a system of its class.This outcome was achieved through a disciplined approach focused on early system boundary definition, assessor-aligned accreditation artefacts, and proactive governance engagement that reduced rework across the accreditation lifecycle.This experience spans multiple Defence and enterprise Authority to Operate pathways and informs a repeatable methodology for delivering accreditation outcomes in complex environments.
The result was possible because of the approach: precise system boundary definition from day one, a documentation package built to the assessor's standard rather than the minimum threshold, and no rework cycles. Every artefact was right the first time.
This engagement is one of multiple ATO outcomes delivered throughout the firm's history, each building on the same disciplined methodology.
Engagement Summary
How We Work
Compliance frameworks are dense by design. Our job is to translate them into plain language and actionable steps — not to make the process feel more complicated than it needs to be.
We measure success by whether you achieve the accreditation, the ATO, or the governance maturity rating — not by the volume of documents produced. Every artefact we create serves a specific purpose.
Whether we're delivering full-service or coaching your team, we work to ensure the knowledge transfers. When the engagement ends, your organisation should be more capable than when it started.
Our Practices
Department of Defence cloud onboarding, security accreditation documentation, and DCIAB submission — through to achieving Authority to Operate via DCIAB CISO sign-off.
View practiceStructured AI readiness assessments mapped to ISO 42001 clauses and SANS AI maturity levels, culminating in an executive briefing and 90-day roadmap.
View practiceBook a no-obligation scoping call or request a proposal for your project. We respond within one business day.