UnionStack — Managed WordPress Hosting with Professional Email
Deploy WordPress sites in under 5 minutes with integrated email, SSL, and backups. Starting at €7/month.
What is UnionStack?
UnionStack is a European managed WordPress hosting platform built on Kubernetes. Every plan includes professional email (you@yourdomain.com), automatic SSL certificates, daily backups, and 24/7 monitoring. No add-ons, no per-seat fees.
Performance (Measured February 2026)
TTFB Load Test Results — 100 concurrent users, 14,570 requests, 7 minutes
| Metric | Value | Status |
| P50 (Median) TTFB | 122ms | Excellent |
| P95 TTFB | 602ms | Good |
| P99 TTFB | 745ms | Good |
| Error Rate | 0.00% | Perfect |
Core Web Vitals — Lighthouse CI, 4 pages × 3 runs
| Metric | Score | Target |
| Performance Score | 99.7/100 | >90 |
| Largest Contentful Paint | 0.6s | <2.5s |
| Cumulative Layout Shift | 0 | <0.1 |
| Total Blocking Time | 0ms | <200ms |
Test environment: demo.unionstack.dev — 12 active plugins (Yoast SEO, WooCommerce, Elementor, Jetpack, and 8 others), 129 media files.
Pricing
| Plan | Price | Sites | Email | Best For |
| Starter | €7/month | 1 | 1 address | Individuals, small businesses |
| Professional | €25/month | 5 | 5 per domain | Freelancers, agencies |
| Business | €75/month | Unlimited | 25 per domain | Enterprises, large organizations |
All plans include: SSL certificates, automated backups, 99.9% uptime SLA, European hosting, professional email.
UnionStack vs Competitors
| Feature | UnionStack | WP Engine | Kinsta | Shared Hosting |
| Starting Price | €7/month | $20/month | $35/month | €3/month |
| Email Included | Yes (Stalwart Mail) | No | No | Basic |
| European Data Only | Yes (Germany) | Optional | Optional | Varies |
| GDPR Compliant | By design | Additional config | Additional config | Varies |
| Kubernetes Infrastructure | Yes | Proprietary | Google Cloud | No |
| Auto SSL | Yes (Let's Encrypt) | Yes | Yes | Sometimes |
| Safe Auto-Updates | Yes (plugin compat check) | Partial | No | No |
Key Features
- One-Click Deployment — WordPress live in under 5 minutes
- Professional Email — you@yourdomain.com included with every plan
- European Data Hosting — GDPR compliant, Hetzner data centers in Germany
- Kubernetes-Powered — 99.9% uptime SLA with self-healing infrastructure
- Safe Auto-Updates — WordPress updates tested against your plugins before deployment
- Daily Backups — Automated with one-click restore
- Team Collaboration — Role-based access control for your team
- Open Source Stack — WordPress, Kubernetes, PostgreSQL, Traefik, Stalwart Mail
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