LlamaIndex Development · Durham
LlamaIndex Development in Durham
Building retrieval systems on LlamaIndex for Durham organisations, where the index is the product. A capable model given the wrong three paragraphs will answer confidently and wrongly, so how documents are split, enriched and ranked determines quality far more than which model sits at the end of the pipeline.
Why this comes up
The problem
The system retrieves passages that mention the right words and miss the passage that actually answers the question.
What you get
What we deliver
- Chunking designed around document structure rather than a fixed character count
- Metadata attached at ingestion so retrieval can filter as well as match
- Hybrid retrieval where keyword and semantic search each cover the other's gaps
- Reranking applied when the first pass returns plausible but unhelpful passages
- Source attribution returned, so answers can be checked against the document
- Ingestion built to re-run, because documents change and indexes go stale
Want this scoped for your business in Durham?
Thirty minutes, no charge, no sales script. You leave with a written summary of what llamaindex development would actually involve — whether or not you use us.
Working in Durham
North East
Durham's economy is dominated by its university and cathedral, so the commercial base is small and much of the local demand comes from spinouts and suppliers attached to the institutions rather than from independent industry.
Research spinout software and visitor systems, usually on institutional procurement timelines rather than commercial ones.
Sectors we work with in Durham
- Higher Education
- Tourism & Heritage
- Public Sector
- Retail
- Research
What we work with
Technologies and platforms
- LlamaIndex
- Python
- pgvector
- Claude API
Who we work with
Industries we serve
- Professional services
- Legal services
- Financial services
- Healthcare
- Technology companies
Why us
Why Durham businesses choose Asionis
- Projects typically launched within 4–8 weeks
- No long-term contracts required
- All team members UK-based
- Dedicated account manager and development team
- Transparent reporting with monthly performance metrics
- Scalable from startup to enterprise
How we work
- Step 1
Free consultation
A 30-minute call to understand the problem. You keep the written summary either way.
- Step 2
Proposal
Scope, timeline and a fixed price, in writing, before anything starts.
- Step 3
Build
Short cycles with regular check-ins, so you see progress rather than hear about it.
- Step 4
Launch and support
We handle the go-live and stay available afterwards.
Other services in Durham
Looking for the full picture? See our LlamaIndex Development services, everything we do in Durham or browse everything we do.
LlamaIndex Development in Durham — common questions
- Why does chunking matter so much?
- Because it decides what can be retrieved together. Splitting on a character count cuts tables in half and separates a heading from the paragraph it governs, so the retrieved fragment lacks the context that made it meaningful in the document.
- What does metadata add?
- The ability to narrow before matching. Document type, date, department and status let a query about current policy exclude superseded versions entirely, which solves a class of wrong answer that no amount of better semantic matching will fix.
- Is semantic search enough on its own?
- Usually not. It handles paraphrasing well and struggles with exact terms — product codes, names, specific clauses — where keyword matching is precise. Running both and combining the results covers considerably more question types than either alone.
- How do we keep the index current?
- Treat ingestion as a pipeline that runs, not a task that was done. Source documents change, and an index built once will confidently answer from a version that was superseded months ago — with no signal to the user that it has done so.
- Do you work with businesses across County Durham?
- Yes. We are based in Leicester, United Kingdom and work with clients throughout North East, including Durham and the surrounding County Durham area. Most collaboration happens remotely, and we travel for kick-offs and key milestones.
- What kind of Durham businesses do you usually work with?
- Research spinout software and visitor systems, usually on institutional procurement timelines rather than commercial ones. Beyond that we work across Higher Education, Tourism & Heritage, Public Sector, Retail and Research.
- Do you cover the areas around Durham?
- Yes — we work throughout North East, including Newcastle, Sunderland, York. Durham is an urban area of roughly 70,000+, and we take on work across the wider County Durham region rather than the city boundary alone.
Talk to us about LlamaIndex Development in Durham
A 30-minute call with someone who would actually work on it. No sales script, no obligation.
- Projects typically launched within 4–8 weeks
- No long-term contracts required
- All team members UK-based
- Dedicated account manager and development team
- Transparent reporting with monthly performance metrics
- Scalable from startup to enterprise