All Kleer Computer Systems
Sage 100 Upgrade & Performance Specialists
Expert Sage 100 Consulting, Upgrades, and Support Since 1995
From legacy MAS 90 upgrades to Crystal Reports, SQL, StarShip, Avalara, ScanForce, TrueCommerce, and custom integrations—we keep your ERP running.
Why Companies Choose All Kleer
For more than 30 years, All Kleer Computer Systems has helped manufacturers, distributors, and growing businesses get the most from their Sage 100 ERP systems. Our experienced consultants provide practical solutions, responsive support, and personalized service tailored to each client’s unique needs.
Whether you’re planning an upgrade, improving system performance, developing Crystal Reports, integrating third-party applications, or troubleshooting complex issues, our team delivers reliable expertise with a focus on long-term success. We believe in building lasting relationships by providing honest advice, dependable service, and solutions that help your business operate more efficiently.
Our commitment includes:
- Over 30 years of Sage 100 experience
- Senior consultants with real-world ERP expertise
- Fast, responsive support from knowledgeable professionals
- Customized solutions—not one-size-fits-all recommendations
- Proven experience with upgrades, integrations, reporting, and optimization
- Long-term partnerships built on trust and reliability
When your business depends on Sage 100, you need a partner who understands your system inside and out. That’s why companies choose All Kleer.
Sage 100 Upgrade & Optimization
Running an older version of Sage 100?
Experiencing slowness, reporting delays, or database issues?
We specialize in upgrading legacy MAS 90 / MAS 200 systems to modern Sage 100 environments — improving speed, stability, and performance without disrupting operations.





ERP Performance &
System Cleanup
Outdated configurations, neglected maintenance, and inefficient workflows can quietly drain productivity.
We audit, optimize, and clean up Sage 100 environments — ensuring your system runs efficiently, accurately, and securely.



Advanced Reporting &
Custom Solutions
When standard reports aren’t enough, we deliver tailored Crystal Reports, SQL solutions, and module integrations that give leadership clear, actionable insights.
From Accounts Payable to Inventory Management — we make your data work for you.



Attention, New Clients, Not sure where to start?
We offer new clients a complimentary 30-minutes assessment to review your current environment.
During this session, we:
Review your current version and environment.
Identify immediate performance risks.
Answer technical questions in real time.
Provide clear next-step recommendations.
What we do
Sage 100 Version Upgrades & Legacy MAS 90 Migrations
Direct Access to Senior Consultants
Live Support —
When You Call, We Answer
Long-Term ERP Partnerships
For over three decades, we have helped companies maintain, upgrade, and optimize their Sage 100 environments.
“I love working with the All Kleer team! Emma and I have worked together on several occasions. Her command and understanding of MAS 90 (Sage 100 ERP) is exemplary!”
– Audrey W., Consultant
– Sherry L., Accounting Manager
“We feel there is no one better on MAS 90 than Emma Lewis. She is outstanding on both computer and accounting issues”
– Barbara S., Accounting Department Head