Halkwinds · Enterprise Solutions

RAG Development Services

Ground Your LLMs in Proprietary Knowledge, Not Guesswork

Halkwinds engineers production-grade Retrieval-Augmented Generation systems — embedding pipelines, chunking strategy, hybrid vector-and-keyword search, and reranking — that ground large language models in your proprietary knowledge base and measurably cut hallucination rates.

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80+
RAG Systems in Production
76%
Average Hallucination Rate Reduction
94%
Average Retrieval Precision @ 5
10 Wks
Average Time to Production

Enterprise Challenges

Challenges We Solve

Naive Chunking Destroys Retrieval Quality

Fixed-size chunking splits context mid-thought, so retrieval returns fragments that are technically relevant but semantically incomplete, degrading answer quality even when the model itself is capable.

Embedding Model Mismatch With Domain Vocabulary

General-purpose embedding models underperform on domain-specific terminology in legal, clinical, or engineering documents, missing relevant content that doesn't share surface-level vocabulary with the query.

Hallucination Under Ambiguous or Missing Context

LLMs confidently generate plausible-sounding but incorrect answers when retrieval returns weak or no relevant context, absent an explicit mechanism to abstain rather than guess.

Stale or Unsynchronised Knowledge Bases

Vector indexes fall out of sync with source systems, causing the LLM to ground answers in outdated policies, pricing, or documentation without any signal that the content has changed.

Retrieval Latency at Enterprise Document Scale

Naive vector search across millions of documents introduces latency that breaks real-time chat experiences without deliberate indexing and infrastructure design.

No Way to Measure or Improve Answer Grounding

Without retrieval evaluation metrics and citation tracing, teams can't tell whether a wrong answer came from bad retrieval or bad generation, so the underlying problem never gets fixed.

What We Deliver

Core Capabilities

01

Chunking Strategy Design

Semantic, recursive, and structure-aware chunking tuned by document type, preserving context boundaries instead of splitting on arbitrary character counts.

02

Embedding Pipeline Engineering

Domain-tuned embedding model selection and fine-tuning so retrieval understands your specific vocabulary rather than general web text.

03

Vector Database Architecture

Production architecture across Pinecone, Weaviate, Milvus, pgvector, and Elasticsearch, selected for your scale, latency, and data residency requirements.

04

Hybrid Search and Reranking

BM25 and dense vector fusion with cross-encoder reranking, consistently outperforming vector-only retrieval on precision at the top ranks that matter.

05

Grounding and Citation Tracing

Source attribution, confidence scoring, and abstention logic so the system says 'I don't know' instead of fabricating an answer when retrieval is weak.

06

Incremental Index Synchronisation

Real-time or scheduled synchronisation with source systems so the knowledge base never silently drifts out of date.

07

Retrieval Evaluation Frameworks

Precision@k, recall, and groundedness scoring with human evaluation loops, giving teams a measurable way to improve retrieval quality over time.

08

Multi-Modal and Structured Data Retrieval

Retrieval spanning text, tables, diagrams, and structured records, so answers grounded in a spec sheet or contract clause are as reliable as those grounded in prose.

Enterprise Use Cases

In Production

Investment Research Analyst Assistant

Challenge

Asset manager's research analysts spending 14 hours weekly manually searching across 40,000+ internal research notes and filings to answer client questions, with no reliable full-text search.

Solution

RAG system combining semantic chunking of research notes, a domain-tuned embedding model, hybrid BM25/vector search, and citation-traced answers surfaced directly in the analyst's existing workflow tool.

Outcome

Analyst research time reduced 68%. Retrieval precision@5 measured at 93%. Zero citation-traceability failures across 18 months in production.

Healthcare Clinical Policy Grounding

Challenge

Hospital system's clinical staff calling a help desk an average of 900 times monthly for questions answerable from 3,000+ pages of clinical protocol documents that were poorly indexed.

Solution

RAG system with structure-aware chunking preserving protocol hierarchy, a clinically tuned embedding model, and an abstention mechanism preventing answers when retrieval confidence fell below threshold.

Outcome

Help desk call volume reduced 71%. Zero instances of ungrounded clinical guidance reaching staff during the pilot audit period.

Financial Compliance Policy Search

Challenge

Bank's compliance team manually cross-referencing regulatory changes against 12,000 pages of internal policy documents, taking an average of three days per regulatory change to assess impact.

Solution

RAG pipeline ingesting policy documents and regulatory bulletins with recursive chunking, incremental index sync on document updates, and a reranking layer prioritising the most current policy version.

Outcome

Regulatory impact assessment time reduced from three days to four hours. Index sync latency reduced to under 15 minutes from document update.

Manufacturing Engineering Documentation Retrieval

Challenge

Industrial equipment manufacturer's field engineers unable to quickly locate answers across 25,000 pages of technical manuals spanning 40 product lines, extending average repair time.

Solution

Multi-modal RAG system retrieving from text, diagrams, and tabular spec sheets, with structure-aware chunking preserving manual section hierarchy and citation links back to exact manual pages.

Outcome

Average field repair diagnosis time reduced 39%. Engineer satisfaction with documentation search improved from 2.1 to 4.4 out of 5.

Healthcare Payer Provider Contract Q&A

Challenge

Health insurer's provider relations team manually searching thousands of provider contracts to answer reimbursement rate questions, with a 48-hour average turnaround.

Solution

RAG system over contract documents with clause-level chunking, hybrid search, and confidence-scored answers with direct citation to contract clause and page.

Outcome

Turnaround reduced to under two hours. 96% of answers correctly cited to source clause in quality audit sampling.

Digital Bank Internal Policy Assistant

Challenge

Digital bank's onboarding operations team manually referencing KYC/AML policy documents for edge-case account approvals, creating inconsistent decisions across 200+ reviewers.

Solution

Internal RAG assistant grounding policy answers in the current KYC/AML policy set with recursive chunking and version-aware retrieval, deployed as an internal operations tool rather than a customer-facing feature.

Outcome

Decision consistency across reviewers improved from 74% to 96% inter-rater agreement. Policy lookup time reduced 82%.

Industry Applications

Across Sectors

Financial Services

RAG systems grounding research, compliance, and policy Q&A in internal filings, regulatory bulletins, and policy documents with full citation tracing.

Healthcare

Clinical protocol and provider contract retrieval systems built with structure-aware chunking and HIPAA-compliant deployment.

Insurance

Claims and policy document retrieval grounding underwriter and adjuster decisions in the current version of governing policy text.

Manufacturing

Multi-modal retrieval across technical manuals, spec sheets, and diagrams supporting field engineering and quality teams.

Legal and Professional Services

Clause-level retrieval and citation tracing across contracts and case documents, built to withstand audit-level scrutiny.

Retail and E-commerce

Product and policy knowledge retrieval grounding internal support tooling in current catalogue and fulfilment documentation.

How We Deliver

Delivery Process

01

Knowledge Base and Source Audit

Inventory of source documents, formats, update frequency, and access patterns to establish what the retrieval system actually needs to index.

02

Chunking Strategy Design

Selection and tuning of semantic, recursive, or structure-aware chunking specific to each document type in the corpus.

03

Embedding Model Selection and Tuning

Evaluation and, where warranted, fine-tuning of embedding models against your domain vocabulary and retrieval benchmarks.

04

Vector Database and Retrieval Architecture

Selection and configuration of the vector database, hybrid search layer, and reranking model matched to scale and latency requirements.

05

Grounding, Reranking, and Evaluation

Implementation of citation tracing, confidence scoring, and abstention logic, validated against precision, recall, and groundedness benchmarks.

06

Production Deployment and Continuous Sync

Deployment with monitoring, incremental index synchronisation, and ongoing evaluation as the source knowledge base evolves.

Why Halkwinds

Halkwinds vs. Your Other Options

An honest comparison. Every org has these four options — here's how they stack up for rag development services.

Time to start

Halkwinds

< 2 weeks

Large SI (Accenture / TCS)

8–16 weeks (procurement, MSA, SOW)

Freelancer / Agency

1–3 days

Build In-House

3–6 months to hire & onboard

Senior-only engineers

Halkwinds

5+ years minimum

Large SI (Accenture / TCS)

Juniors on most project layers

Freelancer / Agency

Varies — no guarantee

Build In-House

Depends on hiring budget

Cost transparency

Halkwinds

Fixed monthly or project price

Large SI (Accenture / TCS)

Change orders, hidden overheads

Freelancer / Agency

Scope creep common

Build In-House

Salary + benefits + tooling + office

Full-stack accountability

Halkwinds

One team, one SLA

Large SI (Accenture / TCS)

Multiple vendors, finger-pointing risk

Freelancer / Agency

Single skill, no cross-discipline ownership

Build In-House

If team is complete

IP & code ownership

Halkwinds

100% assigned to client from day 1

Large SI (Accenture / TCS)

Contractually complex — review carefully

Freelancer / Agency

Depends on contract terms

Build In-House

Full ownership

AI & cloud-native expertise

Halkwinds

Production LLMs, Kubernetes, multi-cloud

Large SI (Accenture / TCS)

Available but expensive to staff

Freelancer / Agency

Niche — hard to find

Build In-House

Expensive, high attrition in AI talent

Scales up or down quickly

Halkwinds

2-week ramp up/down

Large SI (Accenture / TCS)

Long contract commitments

Freelancer / Agency

But context loss on re-engagement

Build In-House

Headcount freezes, hiring lag

Compliance-ready (SOC2, HIPAA)

Halkwinds

Security pack available on request

Large SI (Accenture / TCS)

Certified — but costs more

Freelancer / Agency

Rarely documented

Build In-House

Requires investment in tooling + audit

Ready to see if Halkwinds is the right fit?

A 30-minute call is enough to scope your project, validate our fit, and agree on a starting point — no commitment required.

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Garima Walia — Chief Executive Officer

Reviewed by

Garima Walia

Chief Executive Officer

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FAQ

Common Questions

RAG retrieves relevant content from your knowledge base at query time and feeds it to the LLM as context, rather than baking knowledge into model weights. It's faster to update, easier to audit via citations, and usually cheaper than fine-tuning for knowledge-grounding use cases.

Selection depends on scale and requirements — Pinecone or Weaviate for managed simplicity, Milvus for very large self-hosted deployments, and pgvector when the client wants to keep vectors inside an existing Postgres environment.

Development typically ranges from $70,000 to $250,000 depending on corpus size and integration complexity. Ongoing inference and vector database hosting costs scale with query volume and are modelled during the discovery phase.

Most systems reach production in 8–14 weeks, covering chunking design, embedding selection, retrieval architecture, and evaluation against your defined precision targets.

We benchmark groundedness against a held-out evaluation set before launch, then track it in production. Reduction comes primarily from better chunking, hybrid retrieval, reranking, and abstention logic rather than the LLM itself.

Yes. Self-hosted vector databases such as Milvus or pgvector run entirely within your infrastructure for organisations with data residency or air-gapped requirements.

We build incremental sync pipelines triggered on document updates, typically achieving sub-15-minute index freshness rather than relying on periodic full reindexing.

RAG is the retrieval-and-grounding architecture underneath a system — it's often a component inside a chatbot or agent, not a customer-facing product itself. We build RAG standalone for internal knowledge tools, or as the grounding layer inside a chatbot or agent engagement.

If you already know RAG is the right fit (grounding answers in your own documents/data), we scope and build directly. If you're unsure whether RAG, fine-tuning, or a simpler approach fits best, a short consulting engagement resolves that first.

RAG systems need index freshness monitoring as your source documents change, periodic retrieval-quality evaluation, and cost tracking as usage scales. We offer this as a scoped monitoring retainer rather than assuming a 'build and forget' handoff.

Yes — startup engagements are typically a single knowledge base grounding one product surface; enterprise engagements add access-tiered retrieval across multiple document stores and departments.

Work With Halkwinds

Stop Your LLM From Guessing

Ground your language models in your own proprietary knowledge base with a RAG architecture engineered for retrieval precision, not just a demo that looks good once.

Architecture. Engineering. Scale. — Built by Halkwinds Product Engineering.