Our Specialist Solution 24/7 voice agents • sub‑second response • plug‑and‑play

AI that answers calls and books revenue.

Voice Intelligence that pays for itself

We build AI receptionists that work harder than they cost. Never miss a call, qualify leads, schedule appointments, and update your CRM — without changing your tools.

100%
Answer Rate
24/7
Customer Coverage
60–85%
Reduced Cost Per Call
£10,000+
Revenue Recovered

Proven technology powering the world’s leading companies

Bella Italia
Salesforce
Cafe Rouge
Vodafone
Axis Bank
Microsoft
HSBC UK
Coventry City Council
Beefeater Restaurants
PolyAI
PwC
Bella Italia
Salesforce
Cafe Rouge
Vodafone
Axis Bank
Microsoft
HSBC UK
Coventry City Council
Beefeater Restaurants
PolyAI
PwC

Features

Instant Call Answer

Answers in under a second so customers never get put on hold - Over 50% cheaper than human receptionists.

Human Voices

Studio-quality voices indistinguishable from a human with professional mannerisms - With the ability to handle 10+ calls at once.

Seamless Integration

We link the agent directly into your phone number, calendar, and systems - Creating a seamless fit with zero disruption to how you already work.

Our Results

24/7 Answering for Dental Clinic

Long phone queues led to patients dropping off before booking. Critical enquiries were often left unanswered until the following day.

  • 100% Answer Rate Day & Night
  • Bookings surged 32% in 6 weeks

Lead Capture for Local Business

Spike in demand during peak hours led to lost leads. Instant call response prevented buyers turning to competitors.

  • Simultaneous call handling captured peak‑hour demand
  • Increasing viewing appointments by 42%

Use Cases

Bookings + Triage

Qualifies, collects details, and books into your existing calendar. Saving your team hours lost to repetitive admin.

Driver & Ops Updates

Short, precise flows for status updates, ETAs, and on-the-road check-ins. Empowering you to stay in control and steer your business in real time.

Multi-Language Support

Handles callers in multiple languages, improving customer experience and widening reach without extra staff.

Don't just take our word for it

Consider what industry‑leading experts are saying about this technology and the importance of adopting automated solutions.

PWC — Automation and Productivity

PwC’s AI Predictions 2025 warns that "businesses embracing AI are cutting costs by 30% and moving twice as fast" — leaving slower competitors behind. The choice is simple: automation is survival. Read paper

McKinsey — AI Adoption and ROI

McKinsey reports that "75% of companies use AI, but most fail to turn it into real results" — because scaling automation takes specialist expertise. That’s why businesses turn to specialist AI consultants to capture the value others miss. Read more →

Deloitte — Scaling Automated Operations

According to Deloitte’s 2025 Predictions, "25% of enterprises already using GenAI will adopt AI agents in 2025, and that share is expected to rise to 50% by 2027.” Read paper

How it Works

1

Discovery Call

We map your call flows and tools to design the right agent.

2

Integration

We connect the voice agent to your existing phone number, calendar, and CRM for a plug‑and‑play fit with no disruption.

3

Testing

We run live test calls and fine‑tune voice, tone, and responses.

4

Analytics

Every call is logged, providing insights for ongoing improvements.

5

Go Live

Most businesses are up and running within days.

Security & reliability

Data handling

Data is protected end-to-end with AES-256 military-grade encryption, secured in transit with TLS, and governed by strict access controls.

Secure Storage

Every client runs on a dedicated, access-controlled server. Data at rest is locked and safeguarded by enterprise-level certifications (ISO 27001, SOC 2, GDPR).

Uptime

Uninterrupted performance with 24/7 monitoring and autoscaling. Engineered for uptime: monitored, elastic, and built to stay online.

FAQ

How fast can we go live?

Our system is designed for seamless integration. Our dedicated integrations team typically completes the full setup within 24-48 hours, enabling most clients to go live just days after the initial discovery and integration.

Will this replace my tools?

No. It’s drop‑in — we connect to your phone, calendar, and CRM. our design is specialised to seamlessly integrate with your existing system architecture ensuring a smooth onboarding process.

Can I claim this as a tax write-off to reduce my overall cost?

Yes. Because our system isn’t just “off-the-shelf software,” it’s built with custom architecture, integration, and innovation that qualifies as R&D activity under HMRC guidelines. That means your investment qualifies for government funding and can often be claimed back as a tax write-off or R&D credit, lowering the true cost of adoption. In short, this isn’t just an expense — your investment is effectively paid for by the government.

What about support?

Our support includes 24/7 system monitoring to ensure reliability. We continuously monitor your system's performance analytics to identify opportunities for improvement and provide ongoing optimizations. You'll receive regular performance reports and have scheduled check-ins with our team to ensure the system evolves with your business goals.

How do you price?

Our pricing is customized to your specific needs. After a brief consultation to understand your call volume and workflow complexity, we provide a tailored quote designed to deliver maximum return on investment.

Can you handle payments?

Yes. Our AI can securely take deposits and process payments, integrating directly with your existing payment gateway to streamline your sales process.

Additional Solutions

We design and integrate a diverse range of automations that fits your business needs. By pushing the boundaries of what's possible, creating solutions that seemed impossible just yesterday.

Operations Automation

Data entry, reporting, and workflow integration.

  • Data entry
  • Reporting
  • Workflow integration

Recruitment & HR Automation

CV screening, interview scheduling, and follow‑ups.

  • CV screening
  • Interview scheduling
  • Follow-ups

Enterprise Solutions

Any manual, time-consuming process, we can develop a solution to automate it.

  • Tailor-Made Solutions for specific needs
  • Lead generation
  • Project management

Contact Us

Have other questions or ready to get started? Tell us about your business needs below and we'll be in touch shortly.

📧
Email
team@gstack.uk
For All Enquiries
📞
Phone
+44 75070 64216
Contact Our Sales Team
📍
Location
124-128 City Road
London, England
EC1V 2NX
Serving Solutions Globally

Put the Power of your Business back in your hands

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Join teams that trust us to deliver measurable results with AI automation.

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