Enterprise architecture, digital transformation, and programme governance for public sector and regulated industries.

We partner with boards, executives, and government leadership to translate strategy into delivered outcomes. This involves designing target-state architectures, building investment business cases, and governing complex programmes to completion.

01 Capabilities

Three practice areas, anchored to delivery.

Enterprise & Solution Architecture

Current-state assessment through to target-state design and implementation roadmaps. Microsoft full-stack programmes (D365, Power Platform, Azure, M365, Fabric) and platform-aware architecture across proprietary and open-source environments, aligned to evolving data sovereignty requirements.

Programme Governance & Delivery

Business case development for investments up to A$1.5B. Multi-workstream programme governance, vendor and contract management, and operating model design across complex, multi-vendor environments. Teams up to 160.

Data Governance, Analytics & AI

Enterprise data governance and certification, information architecture, and master data management. Power BI and Fabric analytics platforms. Generative AI deployment using Claude, Microsoft Copilot, and Gemini, which includes RAG pipelines, agent-based workflows, and agentic AI architectures in regulated environments.

02 Selected outcomes

Delivered at scale, across government and regulated environments.

01

National Health Technology Programme, Federal Government

Business Architect on a A$1.2B business case for a national health technology programme. Approved at federal level following inter-jurisdictional consultations across all states, two territories, and the federal government.

02

Sovereign Wealth Fund Data Governance

Led mobilisation of the enterprise data governance framework for an Australian sovereign wealth fund (A$220B+ portfolio). The programme covered data consumption, certification, operations, and reporting across the investment portfolio.

03

National Payments System Transformation

Senior Engagement Manager at Accenture Strategy (Australia, Switzerland). Led end-to-end delivery of a A$350M+ payments system transformation across federal regulatory, security, and social policy agencies.

04

Local Government Digital Transformation

Ontwerp is currently embedded as strategic technology partner with an Australian local government authority, leading enterprise architecture, ERP, and data management across eight workstreams. Investment business case approved by council; programme now in execution.

05

Global Not-for-Profit Technology Audit

A$6M technology audit assessing digital transformation readiness for a major international humanitarian organisation operating across 40+ countries. Delivered a prioritised investment roadmap and global data visualisation framework.

03 About

Specialist practice. Senior consulting depth. Engineering foundation.

Ontwerp Consulting & Co. is an enterprise architecture and transformation practice. We work with boards, executives, and government leadership across public sector and regulated industries. The practice is led by Imon Choudhury, Principal Consultant.

Imon's career spans semiconductor design and systems engineering, an MBA at AGSM @ UNSW with exchange at the Rotman School of Management (University of Toronto), senior engagement management at Accenture Strategy (Australia and Switzerland), and Business Architect roles in federal government. The practice draws on this depth across engagements in government, financial services, healthcare, and infrastructure.

Every engagement starts with the client's context. No templates. No methodology theatre.

Sectors
Government · Health · Financial Services · Investments & Superannuation · Insurance · Not-for-Profit · Fintech · Manufacturing
Credentials
PMP® · CPEng IntPE (MIEAust) · Lean Six Sigma Black Belt · CSM® (TOGAF, ITIL, ITSM)
Compliance frameworks
ISO 27001 · NIST · GDPR · Privacy Act / APP · ASD Essential Eight · ASD ISM · PCI DSS · SOC 2 · AML/CTF
Education
MBA (AGSM @ UNSW + Rotman, University of Toronto) · BE (1st Class Distinction)
Clearance
NV1 (Australian Government)
04 Contact

Open to exploratory conversations.

On enterprise architecture, public sector digital transformation, data governance, or AI adoption in regulated environments.