Contractually Guaranteed 99.98% Uptime & 2-Hour Response SLA
Contractually guaranteed 99.98% uptime SLA, proactive security updates, continuous Core Web Vitals monitoring, and dedicated monthly agile engineering hours to keep your digital platforms ahead of the competition.
Software does not stop evolving upon launch. Our enterprise retainers provide peace of mind and continuous engineering momentum without agency red tape.
Contractual availability guarantee
Priority engineer triage SLA
Synthetic uptime and error detection
Dedicated reserved hours for platform growth
Three Delivery Tracks Engineered for Your Scale
Select the engagement structure tailored to your velocity, roadmap, and internal capabilities.
Essential Care SLA
24/7 automated monitoring, proactive security patches, verified daily backups, and emergency triage.
Enterprise Growth Retainer
Guaranteed 2-hour emergency response SLA combined with reserved monthly senior engineering sprint hours.
Fractional CTO & Dev Team
High-touch architectural stewardship, board diligence, code audits, and dedicated multi-squad sprints.
Let’s Take Your Enterprise Retainers & SLA Guarantee To The Next Level
Engineered from day one for extreme performance, security compliance, and frictionless scalability.
24/7 Global Synthetic Telemetry
Zero Silent DowntimeGlobal monitoring nodes ping your endpoints around the clock every 60 seconds. In the event of an anomaly, on-call engineers are mobilized via PagerDuty immediately.
Proactive Security & Vacuuming
Proactive HygieneAutomated package security patching, PostgreSQL index tuning, database vacuuming, and verified off-site snapshot restorations executed on regular schedules.
Reserved Monthly Sprint Hours
Roll-Over HoursEvery retainer includes dedicated development hours for new landing pages, API integrations, and feature requests. Unused hours roll over without expiring.
Work We’re Proud Of
Our 4-Step Engineering Process
Transparent sprint milestones with working staging demos provided every single Friday.
Onboarding & Telemetry Hookup
Connecting Sentry, synthetic ping monitors, automated backups, and setting up the private Slack channel.
Baseline Health & Security Audit
Deep-dive scan of dependencies, database connection pools, SSL certs, and backlog grooming.
Monthly Feature Sprint Cycles
Executing dedicated monthly sprint hours for landing pages, feature iterations, and optimizations.
Executive Architecture Review
Quarterly strategic performance audit, CWV review, and technological roadmap alignment.
Frequently Asked Questions
Everything you need to know about our engineering standards, timelines, and deliverables.
What is included in the guaranteed 2-hour emergency response SLA? +
If a critical production incident occurs (such as a site outage or checkout malfunction), our on-call engineering principal will acknowledge, triage, and begin active remediation within 2 hours, 24 hours a day, 7 days a week.
What can we use our dedicated monthly engineering hours for? +
You can use your dedicated hours for virtually any engineering or design initiative: building new marketing landing pages, creating new API endpoints, optimizing database queries, adding A/B tests, or implementing third-party software integrations.
What happens if we don’t use all of our allocated hours in a given month? +
Unused engineering hours roll over into the following month, allowing you to bank hours for larger upcoming quarterly initiatives without paying additional fees.
Can Tellvok maintain a codebase that was originally built by another agency? +
Yes. We conduct a structured 7-day architectural onboarding audit to evaluate code quality, security vulnerabilities, and deployment pipelines before assuming ongoing SLA maintenance responsibility.
Have a Project in Mind?
Tell us your goals and receive an itemized ballpark scope and technical architecture breakdown within 24 hours.
Ready to Implement Enterprise Retainers & SLA Guarantee?
Calculate your itemized ballpark quote in our 90-second builder or schedule a direct architectural discovery call with a Lead Principal.