Book An Engineer - 20 Minute Phone Call Time Slot

Need quick, expert advice from a qualified engineer?
With our 20-minute bookable call, you can connect directly with a Callidus Trade engineer to get fast, professional guidance, whether you’re troubleshooting an issue, planning an installation, or need a technical opinion before starting a job.

Once you purchase your session, you’ll be able to choose a convenient time slot that fits your schedule. Our system automatically confirms your booking and sends all the details straight to your inbox, no waiting, no back-and-forth.

This service is perfect for quick consultations, on-site support questions, or resolving specific technical challenges.

What’s Included

📞 20-Minute One-to-One Call with a certified Callidus Trade engineer

🗓 Instant Online Booking - choose your preferred time 

🔔 Automatic Confirmation via email

💡 Expert Support for installation queries, troubleshooting, or system design guidance

🌍 Virtual Consultation - via phone from anywhere in the UK or beyond

How It Works

Pick a Time - you’ll be prompted to select a slot that suits you.

Add to Cart & Checkout - purchase your 20-minute engineer session.

Get Connected - your engineer will call you at the booked time (phone).

It’s that simple - fast, reliable, and fully automated.

Why Choose Callidus Trade

• Industry-qualified engineers with years of hands-on experience

• Clear, actionable advice - no fluff or wasted time

• Perfect for quick diagnostics, design validation, or confirming installation plans

Your slot is a singular one 20 minute call slot, you are paying for the 20 minute slot. If the call is shorter, the full amount will still be charged. If you need longer, you can book multiple slots.