How CELESDEV designed and delivered a complete enterprise architecture function — governance model, ARB, technology repository, and ADR workflow — for a mid-size bank in the 18 months following a merger, cataloguing 340 services and moving architecture maturity from Level 1 to Level 3.
Following the merger of two mid-size banks, the combined entity had 340+ services, two separate technology stacks, no common architecture governance, and six months of regulatory deadline pressure to demonstrate a coherent integration strategy to the central bank. The architecture function needed to be built from scratch while simultaneously managing the merger integration programme.
The constraints were severe: no existing ARB, no technology catalog, TOGAF knowledge limited to one internal resource, and a leadership team that had experienced "architecture governance" primarily as a bureaucratic delay mechanism at their previous institutions.
Engagement lead: CELESDEV Solutions — Enterprise Architecture Practice. This engagement is anonymised per client confidentiality agreement. A reference call can be arranged on request.