LLM DEVELOPMENT · UK

Large Language Model Applications in the UK

We build practical LLM applications that take on reading and writing work: summarising reports, sorting emails, drafting replies, extracting details and answering questions. Teams in Milton Keynes, Bletchley, Birmingham and across the UK use them daily.

  • UK GDPR compliant
  • Works with your tools
  • You own the code
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REAL CLIENT RESULTS

Trusted by UK Businesses Using Our Large Language Model Applications

Numbers from projects we have delivered for UK businesses, from recruitment and accountancy to solar energy and field service software.

58%Less screening timeRecruitment
97%Faster lead responseSolar energy
72%Less time chasing recordsAccountancy
8 wksFrom notes to launchField service software

Areas we cover

Based in Milton Keynes, building AI for businesses nearby in Bletchley, Wolverton, Newport Pagnell, Stony Stratford, Buckingham, Bedford, Northampton and Olney, and across the UK in London, Birmingham, Manchester, Leeds, Liverpool and Lichfield.

IN PLAIN ENGLISH

What Are Large Language Model Applications – and What We Do Differently

Large language model applications are software tools where an LLM does the main text work. A chat window is only one form. We often build LLM apps with no chat at all, where the model works quietly in the background, sorting, summarising or filling in data, and people only see the result.

SOUND FAMILIAR?

Business Problems Our Large Language Model Applications Solve

Too Much Reading and Not Enough Doing

Managers read long emails and reports to find two lines that matter. An LLM app can summarise them in seconds.

Inboxes Sorted by Hand

Someone reads every incoming email to decide who should deal with it. LLMs can read and route them instantly.

First Drafts Eating Up Skilled Time

Experienced staff write routine replies and documents from scratch. LLM drafts let them review and finish instead.

Information Trapped in Free Text

Notes, comments and emails hold useful data that never reaches your systems. LLMs can extract it into structured fields.

WHAT WE BUILD

Our Large Language Model Applications Services

Summarisation Tools

Reports, calls, emails and documents turned into short summaries with key actions.

Classification & Routing

Messages and documents sorted by topic, urgency and owner automatically.

Drafting Assistants

Replies, letters and documents drafted to your templates for a person to finish.

Data Extraction from Free Text

Names, dates, amounts and issues pulled from notes and emails into your systems.

Internal Q&A Tools

Staff ask questions in plain English and get answers from your data.

Sentiment & Feedback Analysis

Reviews and survey comments grouped by theme and mood, with trends over time.

Structured Output & Validation

Model outputs checked against a schema so your systems always get clean data.

Usage & Quality Dashboards

See what the app does, how often it is corrected and what it costs.

Find Out What AI Can Automate in Your Business

A free audit shows the tasks worth automating first, with the hours each one should save.

WHO USES IT

LLM App Use Cases by Department

LLM App for Sales Teams

Proposal drafts, call notes and follow-up emails written by a language model that knows your products and tone.

LLM App for Marketing Teams

Product descriptions, ad variations and content briefs produced in your brand voice and checked before they go out.

LLM App for Customer Support

Ticket sorting, reply drafts and sentiment tagging, so urgent and unhappy customers reach a person first.

LLM App for Operations & Admin

Long reports, emails and forms summarised into the few lines a manager needs to make a decision.

LLM App for Finance & Reporting

Contracts and statements read for key terms, dates and amounts, with each figure linked back to its page.

LLM App for HR & Recruitment

Job adverts, CV summaries and interview question sets written to your criteria and reviewed by your team.

CASE STUDIES

Large Language Model Applications Results: Client Case Studies

Real projects, real numbers. Client names are kept private where they asked us to.

Recruitment

Recruitment: 58% Less CV Screening Time with an AI Platform

58%Less screening time
92%CVs imported automatically

A specialist UK recruitment agency now has CVs pulled in, ranked and explained by AI, so recruiters spend their day on calls instead of reading.

Read the case study
Accountancy

Accountancy: 72% Less Time Chasing Client Records

72%Less time chasing records
29%Faster year-end turnaround

A UK accountancy practice replaced email chasing with a portal that sends its own reminders and collects documents in one place.

Read the case study
Field service software

Field Service SaaS: Launched in Eight Weeks, 38% Less Admin

8 wksFrom notes to launch
24%Trial-to-paid conversion

Vantro went from a founder’s notes to paid software for UK trade businesses, with scheduling, quotes and invoices built in.

Read the case study

Get Similar Results for Your Business

Tell us which job takes your team the most time. We will show you what can be automated.

HOW WE WORK

How Our Large Language Model Applications Process Works

  1. AI Opportunity Audit

    We look at the task, your data and your limits on cost, speed and privacy, then test a few models on real examples.

  2. Roadmap & ROI Forecast

    You get a plan showing which model we recommend, how it will be hosted, the expected cost per month and the benefit.

  3. Build & Integrate

    We build the prompts, guardrails and integration, and fine-tune or adapt the model where testing shows it is worth it.

  4. Test, Train Your Team & Launch

    We measure output against a test set your team approves, train users and launch with usage and cost limits in place.

  5. Monitor, Optimise & Scale

    We monitor quality, latency and spend, and move to newer or cheaper models when they do the job as well.

TECHNOLOGY

AI Models & Platforms We Work With

We are not tied to one vendor. We choose on accuracy, cost and where your data needs to live.

AI Models (OpenAI GPT, Claude, Gemini, Llama)

Commercial and open-source models, compared on your own data before we recommend one.

Hosting & Fine-Tuning Platforms

Azure OpenAI, AWS Bedrock, Google Vertex AI, Hugging Face and self-hosted GPUs for private models.

CRMs & Business Tools

HubSpot, Salesforce, Zoho, Microsoft 365, Google Workspace and your own databases and apps.

WHY CODECRACKERS

Why UK Businesses Choose Us for Large Language Model Applications

Custom-Built AI, Not Expensive Off-the-Shelf Subscriptions

Your large language model applications is built for your processes and you own it. No per-seat licence that grows every time you hire.

Works Inside Your Existing Tools

We connect to the CRM, inbox, help desk and files your team already uses, so nobody has to learn a new system to get the benefit.

UK GDPR-Compliant AI Systems

Data stays in UK or EU hosting where needed, access is limited to what each part needs, and we document how personal data is handled.

ROI-First Approach with Measurable Results

Before we build, we agree what success looks like in hours saved, response time or revenue, and we report against it every month.

PRICING

Large Language Model Applications Packages & Pricing

Clear starting prices. Every project gets a fixed quote after the free audit, before any work begins.

Free Large Language Model Applications Audit

A 45-minute call and a short written report: where large language model applications would help, what it would cost and the likely payback.

Book my free audit

Monthly Large Language Model Applications Retainer – From £600/month

Monitoring, improvements, new features and support every month, with a report on usage, accuracy and time saved.

Get a quote

Book Your Free Audit

45 minutes, no obligation. You keep the report either way.

INDUSTRIES

Industries We Build LLM App For

Sectors where we already have live client work.

  • RecruitmentCV screening, candidate ranking and shortlists.
  • Solar and renewable energyLead capture, instant replies and survey booking.
  • Accountancy and financeDocument collection, reminders and client portals.
  • Trades and field serviceScheduling, quotes, invoices and job admin.
  • Ecommerce and retailProduct data, customer queries and order updates.
  • Health and wellnessBooking questions, product advice and follow-ups.
CLIENT REVIEWS

What Our Clients Say About Our Large Language Model Applications

“Our recruiters used to spend most of the day downloading and reading CVs. Now the platform pulls them in, ranks them and explains why, and we just make the calls.”
DirectorSpecialist Recruitment Agency
“We were losing good leads simply because we couldn’t reply fast enough. CodeCrackers connected our ads, website and CRM so every enquiry gets an answer in minutes.”
ClientUK Solar Installer
“Clients upload everything in one place, reminders go out on their own, and we can finally see every deadline coming.”
ClientUK Accountancy Firm
“I knew exactly what tradespeople needed but had no idea how to build it. CodeCrackers turned my notes into Vantro, and we launched in eight weeks.”
Mark SmithFounder, Vantro
FAQs

Large Language Model Applications FAQs

FREE AUDIT

Ready to Put AI to Work? Book Your Free Large Language Model Applications Audit

Tell us about your business and the work that eats your team’s time. We will reply within one working day with a time for your free audit.

  • A list of tasks worth automating
  • Expected hours saved and payback
  • A fixed quote, no obligation
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Book your free audit

Four quick details. No obligation.