We are not a marketing agency. We are systems engineers who partner with lead-heavy businesses to unlock hidden Revenue . We deploy the tech; you handle the appointments. UK-based, serving globally.
This tool estimates the revenue currently sitting dormant in your CRM. Adjust the metrics below to reveal the hidden equity we could unlock through our AI infrastructure.
Because we operate on a 100% performance basis, we take on all the financial and technical risk. Therefore, we only partner with businesses that meet our strict operational standards.
Minimum 1,000+ dormant leads (names and mobile numbers) sitting inactive in your current database.
A proven service or product with a strong reputation in your market, ensuring our campaigns yield high conversion.
The infrastructural capability to handle a sudden, sustained influx of highly qualified sales appointments.
We are not a vendor; we are an extension of your systems team. This is a mutual commitment to growth.

At Core System Design, we don’t believe in monthly retainers or “hope-based” marketing. We build re-engagement infrastructure that works.
We are a UK agency serving a global portfolio of high-volume businesses. If we don’t book you appointments, our engineering hours and software costs are on us. That is the ultimate accountability.
Send us your lead list We integrate your list with our systems
to extract dormant equity seamlessly.
Our proprietary AI infrastructure texts every contact, initiating hyper-personalized conversations at scale.
Qualified leads are filtered and automatically booked directly into your team's calendar without human intervention.
Our commitment to the alliance. You only pay a fixed performance fee for every qualified appointment securely booked.
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We invest the AI, the workflows, and the manpower. You only pay a fixed fee when a qualified prospect is booked into your calendar. If we don't deliver, you don't pay. It's that simple.

We operate on a model of absolute transparency. If you have questions about how our infrastructure integrates with your current database, our team is ready to clarify every operational detail before we begin.
Because we operate entirely on a performance basis, we take on 100% of the financial and technical risk. We only partner with businesses that possess both the requisite lead volume and the operational capacity to handle a sudden influx of highly qualified appointments.
No. While our engineering team is headquartered in the UK, our AI database reactivation infrastructure is deployed for partners globally. The system automatically calibrates for local time zones, compliance nuances, and regional engagement patterns.
Once we verify the integrity of your database , our standard deployment time is under a week. You will typically see your first appointments booked within days of launch.
There are zero setup fees, zero integration costs, and absolutely zero monthly retainers. You pay a pre-agreed, fixed performance fee strictly when a qualified prospect is successfully booked into your calendar. If we don't deliver results, our infrastructure costs are entirely on us.
Our conversational infrastructure is engineered for highly contextual, natural dialogue, not deception. Efficiency is the primary goal. Leads overwhelmingly appreciate rapid, accurate, and helpful responses that allow them to secure an appointment instantly without friction.
Let's Go Find Them.
Enter your details we will get back to you to talk you through how this would work show you a demo and potential benefits and we can decide together whether a partnership would be beneficial. We'll analyze , and build a custom blueprint to reactivate those leads - at zero upfront cost.