what we do
Our Services
Transaction Commercials
Commercial strategy and transaction support for complex technology, operational technology and infrastructure procurements. Grey Comma helps clients turn complex requirements into commercial structures that can be competed, evaluated, negotiated and …
Contract Commercials
Senior commercial support for live contracts, supplier relationships and delivery environments where issues need to be resolved without losing sight of the intended outcome. Grey Comma helps clients interpret, administer …
Complex Commercials
Focused commercial advice for the issues that do not fit neatly into standard procurement or contract-management processes. Grey Comma helps clients bring structure to unusual, contested or high-consequence commercial questions. …
Commercial Assurance
Independent commercial review that gives decision-makers a clear view of readiness, exposure and the issues that matter most. Grey Comma provides proportionate, evidence-based assurance across transactions, contracts and delivery programs. …
senior judgement, practical execution
Why Grey Comma
Grey Comma provides senior commercial advisory for complex technology, operational technology and infrastructure programs. We bring experienced judgement, calm structure and practical execution to decisions where scope, pricing, risk, performance and accountability need to be clear.
The name reflects that approach. Grey recognises that complex commercial issues are rarely black and white. Comma represents the considered pause at important decision points: time taken to clarify, test and adapt before moving forward.
Why clients choose Grey Comma
- Senior, hands-on delivery: work is led and performed by experienced commercial practitioners, not delegated through a consulting pyramid.
- Commercial and delivery alignment: arrangements are designed to remain workable through procurement, contract close and delivery.
- Open by Design: documents, models, templates and workings are provided in usable formats so clients can understand, adapt and reuse them.
- Client Capability Uplift: where desired, we work alongside client teams to strengthen commercial confidence, judgement and autonomy.
Relevant experience
Experience spans major public transport and ticketing programs, operational technology and digital signalling, critical infrastructure, systems integration, cloud and hosting, enterprise platforms and complex outsourced services. Assignments have covered strategy, procurement, pricing, evaluation, negotiation, mobilisation, contract delivery and independent assurance.
Stuart Ritchie, Principal
Stuart brings more than 20 years of commercial, procurement and contract experience, with a particular focus on complex technology, transport, infrastructure and public-sector environments.
Ways to work with us
Grey Comma can engage in the way that best fits the commercial challenge, from focused intervention to sustained support.