Docker & Kubernetes
Managed Kubernetes hosting for UK teams who want to ship containers without carrying the operational load.
- Cluster designed, run and documented for you
- DevOps hours included every month
- EU servers: Frankfurt
DevOps
PostgreSQL & ClickHouse
Managed PostgreSQL hosting for UK teams who need a database that stays up, plus ClickHouse when the reporting queries start slowing down the transactional side.
- PostgreSQL replication with tested failover
- Point-in-time recovery, restores actually rehearsed
- ClickHouse for analytics, kept off the OLTP path
MongoDB & Redis
Managed Redis and MongoDB hosting for UK teams that need a caching layer and a flexible-schema database that don't fall over under load.
- Caching strategy designed around your real traffic
- 3-node MongoDB replica sets with tested backups
- Both engines private-network only, never public
ChromaDB & Qdrant
Vector database hosting for UK teams building retrieval-augmented generation on top of their own data.
- Embeddings and documents stay on EU infrastructure
- Qdrant and ChromaDB, sized to your dataset
- Optional GPU servers for self-hosted embedding models
CI/CD & Monitoring
DevOps as a service for UK teams who want a working CI/CD pipeline and real observability without hiring a platform engineer.
- Pipelines, runners and dashboards run for you
- SLO-based alerting, not noisy thresholds
- DevOps hours included every month
Mailu & SMTP Relay
SMTP relay and mail server hosting for UK teams migrating off cPanel or Google Workspace, or setting up transactional email properly for the first time.
- Mailu mailboxes hosted on your own domain
- Separate relay keeps transactional mail reputation clean
- SPF, DKIM and DMARC set up and monitored
Blue-Green & Canary Deployments
Blue-green and canary deployments for UK teams who are tired of shipping releases outside business hours to limit the blast radius.
- Zero-downtime releases, switched at the load balancer
- Rollback in one command, not a rebuild
- Canary rollouts gated on real metrics, not a timer
VPN & WireGuard
WireGuard VPN for UK teams who need staff to reach internal tools securely, and for servers that need to talk to each other without exposing databases and admin panels on the public internet.
- Staff access to internal tools over WireGuard
- Internal server mesh, no admin panel on a public IP
- Per-device keys with rotation and revocation
mTLS & Zero Trust
mTLS and zero trust for UK teams whose architecture has grown past the point where being inside the network is a meaningful security boundary.
- Every service authenticates every other service
- Short-lived certificates, rotated automatically
- No implicit trust inside the network
Firewall & Network Isolation
Firewall and network isolation for UK teams who want to know, with certainty, exactly what's reachable from the public internet.
- Default-deny, only 80/443 open publicly
- Edge, application and data tiers segmented
- Scheduled external port audits catch drift
Infrastructure as Code & GitOps
Infrastructure as code for UK teams tired of not knowing exactly what changed on a server, or by whom.
- Every infrastructure change reviewed in git first
- Environments reproducible from code, not memory
- Disaster recovery by rebuilding, not restoring guesswork
Programming
PHP · Laravel, Symfony, Slim
Laravel & PHP development in the UK covers APIs, back-office systems and WooCommerce stores built and operated by the 4hosting team, on our own cPanel and VPS infrastructure.
- Laravel, Symfony and WooCommerce delivered end to end
- Runs on cPanel (LAMP) or Docker on VPS
- PHP version upgrades and security patches included
Python · Django, FastAPI, Flask
Django & Python development in the UK means APIs, data pipelines and AI-adjacent services built in Django, FastAPI or Flask, and deployed on VPS or GPU infrastructure we operate.
- Django, FastAPI and Flask, deployed and operated by us
- VPS and GPU plans for data and AI-adjacent workloads
- Async migrations and dependency upgrades included
Go · Gin, Fiber, gRPC
Go development services in the UK cover high-throughput microservices, internal APIs, CLIs and event-processing systems, built with Gin, Fiber or gRPC and deployed on VPS or Kubernetes infrastructure we run ourselves.
- Gin, Fiber and gRPC services built and operated by us
- Deployed on VPS or Kubernetes, sized to real traffic
- Migration support from Java or Node when Go fits better
Java · Spring Boot, Quarkus, Micronaut
Java & Spring Boot development in the UK covers enterprise backends, integrations with ERP and banking systems, and batch processing, built with Spring Boot, Quarkus or Micronaut and run on VPS or dedicated servers we manage.
- Spring Boot, Quarkus and Micronaut, containerised and tuned
- ERP and banking-grade integration work
- Runs on VPS or dedicated servers with root access
Node.js · NestJS, Express, Fastify
Node.js & TypeScript development in the UK covers APIs, realtime WebSocket services and BFF layers built in NestJS, Express or Fastify, strictly typed and deployed on VPS or Kubernetes infrastructure we operate at a fixed monthly cost rather than pay-per-usage billing.
- NestJS, Express and Fastify, strictly typed throughout
- Fixed monthly infrastructure cost, not usage-based billing
- Realtime WebSocket and BFF services included
JavaScript · React, Next.js, Vue
React & Next.js development in the UK means SSR and SEO-friendly web applications, design systems and headless commerce frontends, built and self-hosted on our own VPS infrastructure as a straightforward alternative to Vercel's usage-based pricing.
- Self-hosted Next.js and React, no usage-based cloud bill
- SSR, ISR and image optimisation configured for you
- Web Vitals tuning included in the monthly hours
Dart · Flutter, Riverpod, Firebase
Flutter app development in the UK covers iOS and Android apps built from one Dart codebase, offline-first where the use case needs it, integrated with an API backend we also host.
- iOS and Android from a single Dart codebase
- Offline-first sync, backed by an API we host
- App-store publishing pipeline included
TypeScript · React Native, Expo, NativeWind
React Native app development in the UK suits teams already building in React who want to extend the same skills to iOS and Android.
- React Native and Expo, built by developers who know React
- Over-the-air updates without a full store review
- Hosted API backend included, not just the app
CyberSecurity
Pentesting & Security Audit
Penetration testing services in the UK from 4hosting cover web applications, APIs and infrastructure, run either as a one-off audit or on a rolling schedule between major releases.
- Web, API and infrastructure pentests, OWASP-mapped
- Findings scored with CVSS and EPSS, not a raw scanner dump
- Free retest once fixes are deployed
WAF & DDoS Protection
Managed WAF and DDoS protection in the UK from 4hosting combines OWASP Core Rule Set filtering with network-layer DDoS mitigation, both included on hosting infrastructure in Frankfurt.
- OWASP CRS tuned to your application, not left generic
- L3/L4 network DDoS mitigation included on all plans
- Virtual patching for freshly disclosed CVEs
SIEM & Incident Response
Managed SIEM and incident response in the UK from 4hosting centralises logs from your infrastructure, correlates them against known attack patterns mapped to MITRE ATT&CK, and gives you a documented plan for when something needs a human response.
- Centralised logs, correlated to MITRE ATT&CK
- AI triage cuts false positives before review
- Documented incident response plan with post-incident report
Hardening & Compliance
Server hardening and compliance in the UK from 4hosting applies CIS benchmarks to every server and container we manage, checks for configuration drift on an ongoing basis, and documents the evidence you need for Cyber Essentials Plus, ISO 27001 or a customer's security questionnaire.
- CIS benchmark hardening on servers and containers
- Ongoing configuration drift detection, not a one-off scan
- 99.99% SLA on dedicated servers
AI Vulnerability Management
AI vulnerability management in the UK from 4hosting runs continuous scanning across your servers and containers, then prioritises what actually needs fixing first using EPSS exploitation likelihood, CISA KEV known-exploited status and reachability analysis — instead of handing you a scanner report ranked only by CVSS severity.
- Continuous scanning, not a quarterly point-in-time snapshot
- Prioritised by EPSS and CISA KEV, not CVSS alone
- Monthly reports with remediation status tracked over time
AI Threat Detection & UEBA
AI threat detection in the UK from 4hosting builds a behavioural baseline for your users and hosts, then flags genuine deviation rather than every event that technically looks unusual.
- UEBA baselines flag real deviation, not every anomaly
- ML-based EDR plus network detection, not signatures alone
- AI-assisted triage cuts false positives before human review
AI Code Security & Supply Chain
AI code security and supply chain protection in the UK from 4hosting covers the code you and your AI coding assistants write, and everything that code depends on: SAST and DAST scanning with LLM-assisted triage to cut noise, secret scanning before a credential reaches a commit, SBOM and dependency scanning, and signed container images.
- SAST/DAST with LLM triage to cut false positives
- SBOM, dependency and secret scanning wired into CI
- Guardrails specifically for AI-generated code patterns
LLM & AI Application Security
LLM and AI application security in the UK from 4hosting tests applications that call a language model at runtime, against the OWASP Top 10 for LLM applications: prompt injection, insecure output handling, sensitive data leakage through RAG, and excessive agent agency.
- Tested against the OWASP Top 10 for LLM applications
- RAG access-control testing, not just model-level checks
- AI red teaming with promptfoo/garak against your application