We modernize the systems
you cannot switch off.

Modernization projects rarely fail because of the technology. They fail because business rules embedded in the system surface too late, in custom software and in years of ERP customizations. We replace core systems one step at a time, finding those rules early so operations continue throughout the transition.

What we do

From first assessment to delivery, for the systems your operations depend on.

Modernization of business-critical platforms
Legacy application modernization: rebuilding core systems on cloud-native platforms, incrementally and without interrupting operations.
Dynamics 365 implementation and upgrades
Upgrading Dynamics NAV (Navision) or AX 2012 to Business Central or Finance & Operations, including data migration and integrations, and implementing Dynamics 365 ERP and CRM so it fits how your business actually works.
Azure cloud architecture and distributed systems
Architectures on Microsoft Azure for multi-tenant SaaS platforms, business-critical applications and the integrations that hold them together: resilient, scalable and sized to your load and budget, not over-engineered.
AI-assisted software development
Setting up an AI-powered software factory for your teams: agentic development workflows, tooling, and the review practices that keep quality and accountability with your engineers. We run our own delivery this way.
Workshops
Practical sessions for technical teams and leadership, from domain-driven design and modernization planning to AI-assisted development.

Our approach

How we modernize

01

Incremental, never big-bang

We move the system piece by piece, with the existing and new platforms running side by side. The business keeps operating, and each step is proven before the next.

02

Critical knowledge surfaced early

The people who know a system best often no longer notice which of its rules are complex. We work closely with them, using domain-driven design, to find those rules before they become defects.

03

The simplest architecture that meets your needs

Most business systems do not need the scale of a global streaming service. We recommend proven technology sized to your business, not the latest trend.

04

Better, not just newer

A modernization is a rare chance to fix what users have struggled with for years. We redesign where it matters instead of copying old screens.

Our view

Most business systems do not need Netflix-scale architecture. They need the simplest one that works.

Business first

The hard part is rarely the technology. We start with your organization and what its people know.

Honest advice

We will tell you when you do not need the bigger solution, and when we believe a direction will fail.

Responsibility needs authority

When we deliver, we own the outcome. When we advise, the decisions are yours.

AI with judgment

Agentic development workflows under senior review: the pace AI allows, with architects accountable for every decision.

Team

Two senior specialists. No hand-offs.

Kaisync Solution is a Stockholm consultancy founded by two long-time partners with a proven track record in large organizations' IT projects, and first-hand knowledge of where those projects go wrong. The people you meet in the first conversation are the people who do the work.

Khoa Dinh

Khoa Dinh

Co-founder · Cloud architecture and distributed systems

Founding engineer, lead architect and consultant. Fourteen years designing business-critical systems: multi-tenant SaaS, legacy modernizations and cloud-native platforms on Azure. Background in distributed systems from KTH; leads Kaisync's AI-assisted delivery.

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Sy Vo

Sy Vo

Co-founder · Dynamics 365 ERP and CRM

Technical lead, solution architect and fractional CTO. Over thirteen years on full life-cycle Dynamics ERP and CRM projects, from Navision and AX 2012 to Business Central and Finance & Operations, across education, hospitality, retail, manufacturing, agriculture, logistics and aviation.

LinkedIn ↗ (opens in a new tab)

Start here

Start with a conversation.

Tell us about your platform, and we will tell you honestly whether and how we can help.

Every engagement starts with a fixed-scope assessment and a roadmap you keep. Prefer a smaller first step? Ask about our workshops.

Or write to

[email protected]