Sage 100 Migration Services for Growing Companies 

Move from Sage 100 to Acumatica with a proven migration process that protects your data, reduces risk, and gives your team real-time visibility across finance and operations. 

If Sage 100 is creating reporting workarounds, limiting remote access, or making growth harder to manage, Acumatica gives you a more flexible cloud ERP platform — and Milestone helps you migrate with less disruption. 

Milestone Information Solutions has guided companies through this exact migration. 
Migration Triggers

When It's Time to Think Beyond Sage 100

Sage 100 (formerly MAS 90) can support a business for years, but as technology advances, the limitations of the platform can start to show. Reporting gets harder, manual work increases, and upgrades become more difficult to justify. 

Reporting Lives in Spreadsheets

Spreadsheets become the default reporting tool, pulling data from multiple sources and rebuilding the same files over and over. Month-end close only makes it worse. 

Remote Access Gets Harder Across Locations 

Remote and multi-location teams often struggle to access the system reliably, and even cloud-hosted versions of Sage 100 can fall short as the business grows. 

Manual Work Slows You Down

Too many steps still require manual entry, workarounds, and double-checking, leaving room for errors and delays. 

Upgrades Are Risky and Expensive

Customizations and third-party add-ons can make upgrades harder, more expensive, and easy to postpone, leaving companies on older versions longer than they should be. 

Real-Time Visibility Becomes a Business Requirement

These challenges usually show up first in reporting, then spread into finance, operations, and decision-making. Eventually, the workarounds become too costly to manage. 

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Why Acumatica over Sage 100

Modern ERP without losing operational control

Most companies moving off Sage 100 are not looking to start over. They want the same depth and control, but on a platform designed for how business works today.

The goal is not to change how you run your business. It is to give you better tools to run it. 

Not Sure if It Is Time to Move from Sage 100?

We can walk through your current setup, reporting challenges, and integrations to help you understand whether staying or moving forward makes more sense for your business. 

Migration Scope

What we migrate from Sage 100

You shouldn't have to guess what will come across in a Sage 100 migration. We focus on the data and configuration your team needs to hit the ground running in Acumatica, and we review this scope with you early so there are no surprises. 

  • Core Configuration and GL Setup
  • Open AR, AP, sales, and purchase transactions
  • Selected historical data and agreed archive strategy
  • Customer, Vendor, and Item Master Data
  • Custom Fields, UDFs, and classifications
  • Reporting logic, dashboards, and key data relationships
  • Inventory and item pricing
  • Bank accounts and beginning balances
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Implementation Path

Our Sage 100 migration process

Every Sage 100 migration is different, but the risk of getting it wrong is the same. We follow a structured process that covers everything from initial assessment to go-live support, so your team knows what to expect at every step. 

 

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 1. Assessment and Migration Roadmap

Review Sage 100 modules, add-ons, integrations, multi-entity structures, and day-one workflows before moving any data. 

  2. Design and Mapping

Map accounts, classifications, custom fields, reporting dimensions, and process changes into Acumatica. 

  3. Data Migration 

Clean, extract, transform, load, and validate data through multiple testing cycles before go-live.

  4. Training and More Testing 

Train employees on the new system and document procedures, validate balances, aging, and key reports before go-live.

  5. Go-Live and Ongoing Support 

Go live on the new system with Milestone support on standby. We stay close during the first weeks to address questions, resolve issues, and make sure your team is set up for long-term success.

What industries we help with Sage 100 migrations

Whether you are in construction, distribution, manufacturing, or only need accounting and finance, Acumatica has an edition built for how your industry works and Milestone Information Solutions has experience migrating companies in each one. 

Construction Contractors

Job Costing, AIA billing, project management, and field visibility.

Distribution and Wholesalers

Inventory, multiple warehouses, shipping, and e-commerce integrations.

General Business

Companies that have outgrown accounting software and need real ERP capabilities. 

Manufacturers

Production planning, materials, shop floor visibility, and operational reporting.

Common Questions about Migrating From Sage 100/MAS 90

 

Common questions about migration timelines, data, reporting, and what to expect when working with Milestone Information Solutions. 

 

General Questions: Timeline and Scope

 

Data, Reporting, and Support

Acumatica is the Platform. Milestone Information Solutions makes it work for your business.

We're here to solve what's holding you back.

From setup to support, we guide your team, align the system with your goals, and make sure Acumatica works for your business.

  • Implementation that fits your business - from people who know accounting.
  • Expert support from a team that knows your setup.
  • Long-term partnership - not just a handoff.
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