Custom GPT Development Services UK | AI Assistants by Software Insight

Build Your Own AI Assistant, Trained Just for Your Business. Off-the-shelf AI tools can only take you so far. With Custom GPT models, you get an AI that's trained specifically on your data, your workflows, and your business goals. At Software Insight, we help you develop, fine-tune, and deploy custom GPT-powered solutions that think and respond like your best employee — but faster.  Automate. Assist. Scale. All with your own AI.

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What We Offer

End-to-end custom GPT solutions — from strategy and fine-tuning to secure deployment and ongoing optimisation, built around your business needs.
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01
GPT Strategy & Use Case Design
We help you identify where AI fits best in your business — from customer support to sales to internal knowledge automation.
02
Custom GPT Model Configuration
We fine-tune GPT-4 and GPT-3.5 with your domain-specific data for more relevant, accurate, and branded responses.
03
Data Preparation & Embedding Models
Our experts clean and format your data, then use vector databases and embeddings to make it instantly searchable by your AI.
04
Ongoing Optimisation & Support
Improve responses, add new data sources, and monitor usage. We provide regular updates to keep your custom GPT sharp and reliable.

Why Choose Software Insight for Custom GPT Development?

Create AI that actually understands your business. Our Custom GPT solutions are tailored to your data, industry, and goals — giving you more than just a chatbot: a true digital assistant that boosts productivity and automates workflows.

Business Operations & Team Enablement

Empower your team with internal AI tools trained on your SOPs, wikis, and knowledge base. From onboarding assistants to internal Q&A bots, we build GPTs that make knowledge accessible, fast, and context-aware.

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Customer Support & Engagement

Deliver instant, accurate, and brand-aligned support through AI-powered chatbots, email assistants, and automated helpdesk solutions. Integrate with your CRM to personalise every customer interaction.

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Document & Data Intelligence

Turn static documents and data sources into searchable, conversational knowledge with embedding-powered GPTs. Ideal for legal, HR, finance, or product documentation where instant answers save time.

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Learning, Training & Interactive Tools

Deploy GPT-powered tools for training employees, educating users, or delivering dynamic content. Great for eLearning, HR onboarding, knowledge testing, and role-based education.

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Ready to Build Your Own AI Assistant?

Start automating, assisting, and scaling with your own GPT-based solution.

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Our Custom GPT Expertise

At Software Insight, we combine deep AI/ML experience with practical implementation skills to build GPT-powered solutions that are fast, secure, and highly relevant to your business.Whether it’s integrating OpenAI’s GPT-4 with your internal systems or building a domain-trained assistant using embeddings and vector databases — we deliver solutions that work in the real world.

Frequently Asked Questions

Is my data safe with a custom GPT?

Yes — we can host your model privately or use OpenAI with strict encryption and no training on your data.

How long does it take to build a custom GPT?

A basic setup can take 2–4 weeks; advanced integrations or data-heavy solutions may take longer based on complexity.

Can it be integrated into my CRM or web app?

Absolutely. We offer full integration services — from API connections to UI/UX for seamless experience.

Need Help Choosing The Perfect Solution For Your Project?

Unsure which development approach fits your needs? Questions about timelines, technology stack, or project costs? Our expert consultants are here to guide you through every decision. Schedule a complimentary consultation with one of our senior development specialists.

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What Our Valued Clients Say About Us

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Software Insight completely transformed our digital presence. The new website is sleek, professional, and delivers exceptional performance. Their custom WordPress solution perfectly highlights our SiteBoss technology and 40 years of industry expertise.

Tim Stoner
Asentria