We build dependable digital infrastructure and reliable systems for modern teams
Services
AI-Embedded Applications
Natural language search, recommendation engines, predictive features, and conversational interfaces built into products and internal tools.
AI-Enhanced Business Capabilities
Enabling organisations to apply AI across business workflows, from automated approvals and report generation to intelligent routing, forecasting, and anomaly detection.
API Integration & Management
We provide API integrations between internal systems and external services, with governance, versioning, and monitoring.
CI/CD Modernisation
Assessment and modernisation of CI/CD pipelines and Infrastructure as Code, with automated build, test, release, and version-controlled environment provisioning.
Data Integration & Pipelines
Design and implementation of data pipelines and ETL/ELT workflows with real-time or batch synchronisation across systems.
Data Platform & Cataloguing
Partnering with organisations to implement data platforms with cataloguing, metadata management, lineage tracking, and master data management for discoverability and a single trusted view of critical records.
Data Quality & Governance
Comprehensive data quality and governance covering cleansing, standardisation, monitoring, policies, ownership models, and stewardship programmes.
Data Transformation
Lakehouses, data warehouses, customer data platforms, and ETL/ELT pipelines designed and built to unify, transform, and serve analytical and operational data.
Development
We help organisations design and build new applications, plus extend existing platforms with functionality, integrations, and user experiences.
DevOps Culture Transformation
Structured programmes to build DevOps culture with tooling, practices, and collaboration models for team ownership and reliable delivery.
Intelligent Document Processing
End-to-end document processing that extracts, classifies, and validates data from PDFs, emails, invoices, and forms.
Managed SOC, SIEM & Security Monitoring
We help organisations deploy and manage SIEM platforms with log aggregation, correlation rules, alerting, dashboards, and managed SOC capabilities.
Observability
We provide APM, infrastructure monitoring, intelligent alerting, and actionable dashboards for end-to-end system visibility.
Operational Excellence
SLOs, SLIs, error budgets, resilient processes, and operational tooling to embed proactive reliability engineering.
Optimisation
Application replatforming, migration, and targeted uplift programmes to improve performance, security, and reliability.
Resilience
Fault-tolerant infrastructure engineering that identifies brittle systems and optimises for reliability, performance, and cost.
Security Reviews
Expert-led security reviews of code, architecture, and infrastructure, plus compliance assessments for ISO 27001, SOC 2, Essential Eight, and PCI DSS.
Shift Left Security
Automated security scanning embedded in CI/CD pipelines, including SAST, DAST, dependency checks, container scanning, and secrets detection.
Support
Hands-on application support including performance tuning, bug fixes, and incremental feature development.
Testing Automation
Working with delivery teams to implement automated unit, integration, and end-to-end test suites across the software pipeline.
Third-Party Platform Integration
CRM, ERP, payment gateway, and SaaS integration with authentication, data mapping, error handling, and ongoing maintenance.
Celeste Labs is a team of engineers, designers, and operators building dependable digital infrastructure
“The transformation was incredible. They methodically rebuilt core components while keeping the system running, and introduced proper CI/CD practices that made deployments actually predictable”
