Atsum Technologies delivers reliable custom software, embedded programming, industrial automation, and secure backend infrastructure. We focus on stable, maintainable technical solutions that stand up to long-term operation for industrial operators, small manufacturers and innovative startups.
Located in Concord, New Hampshire, Atsum Technologies is a focused technical development firm built around reliability and practical engineering. Our team builds systems that run consistently, with clean architecture, thoughtful error handling and easy maintenance.
We work across software development, embedded firmware, local automation systems and secure private infrastructure. We avoid overcomplicated designs when simpler, proven approaches will meet requirements. Our clients value predictable deliverables, clear documentation and honest technical feedback.
We serve local manufacturers, research teams, small technology businesses and service operators across New England and nationwide. Whether you need a custom control program, internal tooling or a full-stack application, we adapt our scope to your timeline and budget.
Systems built to run continuously, with graceful failure modes and robust logging.
We choose the right tools, not just the newest frameworks.
Regular updates, demo releases and clear scope boundaries on every project.
Secure design practices and strict confidentiality for client intellectual property.
Custom software, embedded firmware, industrial automation, backend systems and private infrastructure solutions.
Desktop tools, internal dashboards, API services and web applications tailored to your business workflow.
MCU firmware, sensor sampling, control loops, low-power operation and device communication interfaces.
Process control, data collection, machine monitoring and custom PLC auxiliary software.
Self-hosted services, local servers, backup systems and isolated on-prem data pipelines.
Wireless sensor nodes, local logging networks and condition monitoring deployments.
Modernize aging software, fix unstable code and migrate systems without disrupting operations.
Automation controllers, local data logging platforms, custom internal tooling and embedded control systems.
Local data logger and dashboard for uptime tracking and production metric collection.
Battery-powered sensor nodes feeding data to an on-premise monitoring server.
Desktop application for batch tracking, recipe management and operator workflow.
Closed-loop speed and position control firmware for specialized test hardware.
Self-hosted analytics stack that keeps all operational data inside your facility.
Refactoring and stabilization of older industrial software with limited documentation.
Contact ATSUM TECHNOLOGIES, LLC for custom software, embedded firmware, automation design, legacy system repair and on-prem infrastructure consulting.