UK-based testing partner for EPOS & business-critical systems

Software testing that proves your product works — and performs.

AT-TEC supports vendors and integrators with pragmatic QA: functional validation, integrations, regression coverage, and performance metrics for EPOS, payments and retail operations.

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Typical engagements: release validation • migration testing • integrations • performance baselining • UAT support

What we validate

EPOS & product testing

Store workflows, tills, peripherals, payments, back-office sync, reporting and reliability — with measurable acceptance criteria.

FunctionalWorkflows, edge cases, permissions
IntegrationPayments, APIs, peripherals, ERP
PerformanceLatency, throughput, stability

Deliverables: test strategy • traceable test packs • defect triage • release sign-off dashboards • KPI reports

Services

Clear scope, fast feedback loops, and reporting stakeholders can actually use.

Core

Functional & Regression Testing

End-to-end store journeys, user roles, cashing up, refunds, promos, tax rules, receipts and audit trails.

  • Risk-based regression packs
  • Release readiness criteria
  • Defect triage & RCA support
EPOS-focused

Peripheral & Hardware Validation

Printers, drawers, scanners, scales and customer displays—validated across drivers, firmware and OS versions.

  • Compatibility matrix
  • Soak & endurance runs
  • Field issue reproduction
Metrics

Performance & Reliability

Measure what matters: transaction latency, sync performance, peak-load behaviour, memory/CPU and stability.

  • Baseline vs target KPIs
  • Load/soak test plans
  • Actionable dashboards
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How we work

A simple model that scales from a quick release sign-off to longer validation programmes.

1) Define acceptance criteria

We translate your requirements into testable outcomes: workflows, KPIs and “go/no-go” gates.

2) Execute & measure

Structured test cycles with defect triage, daily visibility, and performance baselines where required.

3) Report & sign off

Traceable evidence, risk summary, and an executive-ready release recommendation.

Industries

EPOS and operational systems where downtime and errors cost money.

Retail

Multi-till, inventory, promotions, loyalty and reporting workflows.

Hospitality

Table service, modifiers, kitchen flows, service speed and peak load.

Multi-site operations

Central config, rollouts, upgrades and store-to-HQ sync validation.

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Need validation support for your next release?

Tell us your scope and timeline — we’ll respond with a practical test approach and estimate.
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