Nexa HQ Start my free 7-day test

Stop Losing Jobs to Voicemail.

Nexa HQ answers the calls and messages you can't, collects the details and helps book the job, so the next shop doesn't get your customer.

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Keep your phone number. No payment during the 7-day test. Month to month after. Cancel any time with 14 days' notice.

Built by Don Tee, systems architect. Serving US home-service businesses remotely.
Interactive Demo: Illustrative Customer Flow
9:41
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Homeowner (New Inquiry)
Incoming Call...
✕ 📞
‹ Messages
❄️ [Your HVAC Shop] (Auto-Dispatch)
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Today 9:42 AM

When you're on a job, the phone still rings.

  • You can't answer from a ladder, a crawl space or a customer's kitchen.
  • A caller with a burst pipe or a dead AC calls the next company on the list.
  • Voicemail doesn't book jobs, and by the time you call back, someone else has answered.

How it works

1

We connect your existing number. We set up call forwarding so the number you advertise stays the same.

2

Missed calls get a text right away. The caller gets a reply, the system collects the problem and address, and offers open times.

3

You see everything. Every conversation and booked job lands in one inbox on your phone, and you can step in any time.

See what it catches before you decide.

We set it up on your line for 7 days. No payment during the test. Texting goes live once your carrier registration is approved, and the 7 days start that day. If it isn't for you, tell us and we turn it off.

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Simple monthly plans. No long contracts.

Catch
$297/month
setup $297

missed-call text-back, AI text replies and booking, shared inbox and CRM pipeline, owner alerts, monthly report.

Recommended
Convert
$497/month
setup $497

everything in Catch, plus after-hours AI voice answering, quote follow-up sequences, automatic review requests.

Digital HQ
$997/month
setup $1,497

everything in Convert, plus Facebook, Instagram and WhatsApp inbox, past-customer reactivation, a website or landing page, a dashboard and a monthly review call.

Founding Partner Pilot

We're onboarding our first 3 businesses on the Convert plan ($497/month) with the setup fee waived ($0 setup), in exchange for your permission to publish your verified results after the pilot.

Month to month. Cancel any time with 14 days' written notice.

Who you'll work with

Hi, I'm Don Tee, a systems architect based in Nigeria. I build missed-call and follow-up systems for US service businesses and run them remotely. Nexa HQ is registered in Nigeria. We work over WhatsApp, phone and video, and you'll see a live demo before you decide anything.

Don Tee, Founder and Systems Architect at Nexa HQ

What does one missed call cost you?

Use your own numbers. Drag the sliders below to see an illustrative estimate of what unanswered calls cost your business each month.

5 calls
$650
30%
Estimated Monthly Revenue Left on the Table
$4,225 / month
~$50,700 / year in uncaptured jobs (~6.5 missed bookings / month)

Illustrative calculation using the numbers you enter above. Actual results depend on your call volume, pricing, and response speed.

Test This on My Line Free for 7 Days Open Full Fleet Calculator →

Frequently Asked Questions

Most cost about $49 to $450 a month, based on 2026 vendor pricing pages. Nexa HQ is a done-for-you system, not just an answering tool, starting at $297 a month, month to month. Setup, text-back, follow-up and booking are handled for you.
No. We set up forwarding on your existing number, so callers see the number you already advertise. Missed calls get a text reply, and you see every conversation in one inbox.
We set up the system on your line and run it for 7 days with no payment. Texting goes live once your carrier registration is approved, and the 7 days start that day.
Don Tee, a systems architect based in Nigeria, builds and runs every system remotely for US service businesses. Nexa HQ is registered in Nigeria.
No. It handles the calls and messages nobody can get to. You and your team can step in at any time.
US carriers require businesses to register before sending automated texts. We help you file it. Approval can take days to weeks, and texting goes live after that.
Your customer data stays yours. We don't sell or share it. See our privacy policy.
Yes. Month to month, cancel any time with 14 days' written notice.
HVAC, plumbing, electrical, roofing, lawn care, auto repair and dental practices. Tell us your trade on the form.
Start my free 7-day test

No payment during the test. Texting goes live once carrier registration is approved.

Live Walkthrough

Want to talk through how it works on your line right now? While carrier A2P 10DLC registration takes 7 to 14 business days to approve automated texting on a business number, you can test the interactive simulator at the top of this page or message our US line on WhatsApp at (205) 299-3753 for a live walkthrough.

Step 1 of 2: Select Your Trade Quick Setup

Select your industry to load trade-specific call-dispatch scripts:

Step 2 of 2: Configure Your Test

Thanks. We'll reply shortly. For anything urgent, message us on WhatsApp.

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