LLM Development Companies
LLM developers build retrieval systems, fine-tuned models, evaluation harnesses and the serving infrastructure behind them. Compare vetted vendors, read client reviews and request quotes.
Popular Countries for LLM development
Bielsko-Biała · Since 2005 · 51-200 employees
Product engineering for EdTech, HRTech & AI-powered platforms
- Min. project
- $20+
- Hourly rate
- $25–$49/hr
Smart analytics system. Works with already installed cameras, keeps data confidential. Evaluate marketing campaigns - accurate data, graphs and heat maps help you calculate the tra…
Saratov · Since 2019 · 1-10 employees
Joomla custom development. Website and online stores creation with Joomla.
Webtronics is a full-service digital agency. Since 2010 we have been helping companies to develop their business online, get more applications at a lower price, expand their audien…
- Min. project
- $100+
- Min. project
- $10k+
- Min. project
- $30k+
Emeryville · Since 2016 · 201-500 employees
All Ways of Quality Always
New York · Since 2017 · 11-50 employees
Intactdia is a full-service web development and digital marketing agency dedicated to helping businesses thrive in the digital world. We provide innovative solutions in web develop…
- Min. project
- $300+
- Hourly rate
- $30–$150/hr
Development of Web applications, Mobile applications for iOS and Android, Desktop applications, UX/UI interfaces.
- Min. project
- $3k+
For 15 years we have been developing and designing digital products, services and websites.We make B2B and D2C e-commerce, personal offices, information systems, portals.Among clie…
- Min. project
- $30k+
Since 2021 · 1-10 employees
Combining marketing tools for effective business development. We package goals into digital metrics and select tools to achieve them. Maximize the effectiveness of marketing invest…
- Min. project
- $3k+
- Min. project
- $3k+
Since 2019 · 11-50 employees
Increase business performance by creating and supporting comprehensive business solutions. Offer consultations, teach and implement sophisticated products, change processes, help u…
- Min. project
- $20k+
- Hourly rate
- $50–$100/hr
Digital Habits is a trusted partner for business digitalization, not just a service provider. Our focus is constantly on technological innovation, with teams deeply immersed in the…
Irving · Since 2004 · 201-500 employees
Your Trusted Technology Partner
Ecosystem of solutions for automation and organization of work of lawyers and arbitration managers. Products: - monitoring of counterparties; - automation of work organization: RTC…
- Min. project
- $100+
- Min. project
- $3k+
A team of over 200 thinkers with burning eyes ready to help business enthusiasts from all over the world in developing UI, web and mobile IOS and Android applications
- Min. project
- $30k+
Mobile development - design, cross-platform applications, android, ios;Web development - fronted, backend, web applications, pwa application, serverless applications;UX/UI design -…
New York · Since 2010 · 51-200 employees
Best Software Development Company
Austin · Since 2021 · 51-200 employees
Create – Inspire – Deliver
- Min. project
- $500+
- Hourly rate
- $50–$99/hr
Kaunas · Since 2024 · 51-200 employees
Cluster of 7 IT companies from Lithuania, embodying Nordic values
- Min. project
- €5k+
- Hourly rate
- €20–€120/hr
A team of young specialists. We are engaged in professional Web / iOS / Android development and accompany clients at all stages of product creation and support: prototyping, design…
- Min. project
- $3k+
Before you shortlist anyone
All calculatorsThe short answer
1,179 LLM development companies are listed. 61% publish a minimum project budget; the median floor is $10k. Most work starts in the $3–10k range. Median published rate is $25/hr across 69 companies.
Best supplied: United States (182) · India (131) · Ukraine (59)
Recalculated 2026-10-21 from live profiles.
What it costs, by country
Each cell counts companies whose published minimum project budget falls in that band. Only countries with at least 5 listed companies appear.
| Country | under $3k | $3–10k | $10–20k | $20–30k | $30k+ | Median rate |
|---|---|---|---|---|---|---|
| United States182Widest choice | 4 | 28 | 23 | 16 | 55 | $35/hr |
| India131 | 1 | 22 | 13 | 13 | 19 | $18/hr |
| Ukraine59 | — | 14 | 5 | 10 | 4 | — |
| Germany31 | — | 2 | — | 5 | 1 | — |
| United Kingdom30 | — | 4 | 4 | 4 | 9 | — |
| Netherlands28 | — | 4 | 4 | 4 | 10 | — |
| Poland27 | — | 4 | 4 | 5 | 6 | — |
| Canada9 | 1 | — | — | — | 3 | — |
| Armenia9 | — | 3 | 2 | — | — | — |
| Australia8 | 1 | 1 | — | 3 | — | — |
| Romania7 | — | 2 | 1 | — | — | — |
| Israel5 | — | 2 | — | — | — | — |
How this table is built
- Figures are minimum project budgets companies publish on their own profiles — the floor below which they decline work, not the price of a finished project.
- USD only. Companies quote in six currencies and averaging across them produces a number nobody charges.
- Budgets outside $300–$2,000,000 and rates outside $5–$500/hr are dropped as data-entry errors.
- A country needs 5 listed companies for a row, and 5 published rates before a median rate is shown.
What will your budget reach?
Move the slider. Every figure below is a count of companies whose published minimum project budget sits at or under that amount.
240 of 719 companies (33%) take projects at this size.
Where the entry thresholds sit
- under $3k
- 21
- $3–10k
- 219
- $10–20k
- 163
- $20–30k
- 137
- $30k+
- 179
Goes furthest in United States — 32 companies
This says who will engage, not what your scope should cost. A budget that reaches most of the market still buys very different things depending on what you are building.
Who is focused, and who has proved it
Horizontal: how concentrated a company is on LLM development. Vertical: how much checkable evidence stands behind it. 60 of 1179 companies are plotted — the rest have fewer than 2 evidence signals, so placing them would be guesswork.
- Big Drop IncLeaders
- FueledLeaders
- The Digital EmbassyLeaders
- Vergani&GascoLeaders
- IntellectsoftLeaders
- moodleyLeaders
How a company is placed
- Focus is the inverse of how many categories a company claims, blended with the share of its portfolio tagged with this one. A firm listing three technologies is concentrated; a firm listing forty also appears here.
- Proven delivery adds published reviews (to 20), portfolio projects (to 25), Ahrefs Domain Rating (to 60) and years listed (to 10). Each is capped so no single signal carries a company to the top.
- Positions are relative to the other companies on this page: the median company sits at the centre of each axis, so a quadrant boundary means "ahead of half the companies listed here". Raw scores are in each bubble's tooltip.
- Deliberately excluded: the star rating, which sits in too narrow a band to separate anyone; the editorial rank, which is a hand-assigned sort weight; and paid verification, which does not move anything on this chart.
- Leaders:
- Concentrated on this work and with the record to show for it.
- Specialists:
- This is most of what they do, but the public evidence is still thin.
- Established generalists:
- A substantial track record, spread across many categories.
- Emerging:
- Building both focus and evidence.
Customer Reviews about LLM development
eTecc / Interactive
Horrible service. Refr ain from using this company
Aksamit Projects
Alvera Solutions OÜ cooperated with Aksamit Projects on a number of development and delivery-related tasks. Throughout the collaboration, the Aksamit Projects team demonstrated a structured approach to work, strong technical competence, and a clear understanding of the project requirements. The scope of work included task planning, implementation, and ongoing coordination. All assigned tasks were completed in accordance with the agreed specifications, timelines, and quality standards. Communication was professional and consistent, which ensured smooth progress and timely decision-making during all project phases. Aksamit Projects proved to be a reliable and responsible partner, capable of efficiently handling assigned tasks and adapting to evolving project needs. We can confidently recommend Aksamit Projects for professional collaboration on technical and project-based engagements.
ENCYPHERS
ENCYPHERS has been a reliable long-term partner for Axo across e-commerce optimization, UX refinement, and platform performance improvements. Their team helped strengthen the customer journey through better page structure, smoother navigation, and conversion-focused enhancements while also improving technical stability and overall site responsiveness. The collaboration has remained professional and consistent throughout, with practical improvements that continue to support our ecommerce growth and user experience.
What an LLM engagement covers
Most LLM work is retrieval, evaluation and serving rather than training. A typical engagement takes a corpus you already own, makes it searchable, wires a model over it, and then spends most of its time proving the answers are good enough to rely on.
- Retrieval (RAG). Chunking, embeddings, hybrid search, re-ranking and citation — the difference between a demo and a system people trust.
- Fine-tuning and adapters. LoRA and full fine-tunes for tone, format and narrow tasks, plus distillation to cut cost and latency once behaviour is stable.
- Evaluation. Golden sets, LLM-as-judge scoring, regression suites in CI and human review loops.
- Serving. Self-hosted inference with vLLM or TensorRT, model routing, caching, quantisation and autoscaling.
- Safety. Prompt-injection defences, PII redaction, output filtering and audit logging.
What to ask an LLM vendor
- How do you measure answer quality, and can I see the evaluation set?
- What is the cost per thousand queries at my volume, and what brings it down?
- How do you defend against prompt injection when the model reads untrusted documents?
- Can this run entirely inside my cloud account or on-premise, and what does that cost in quality?
- What happens when the provider deprecates the model version we launched on?
Portfolio Projects
Frequently Asked Questions
RAG or fine-tuning?
What does an LLM project cost?
Should we self-host an open-weights model?
How do you keep an LLM from leaking sensitive data?
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