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Best LLM Security Audit Companies in 2026

LLM Security Audit focuses on identifying, testing, and mitigating security risks within large language model (LLM) applications, AI agents, generative AI systems, and enterprise AI workflows. As organizations increasingly integrate LLMs into customer support, automation platforms, copilots, software development tools, and internal knowledge systems, ensuring the security, reliability, and compliance of these AI systems has become a critical business priority.

Unlike traditional application security, LLM security introduces new and evolving attack surfaces including prompt injection, jailbreak attacks, data leakage, hallucinations, insecure plugin integrations, model abuse, unauthorized tool execution, and AI supply chain vulnerabilities. Modern LLM security audits evaluate how AI systems interact with prompts, APIs, external data sources, retrieval pipelines, vector databases, and autonomous agents to uncover weaknesses that could expose sensitive information or compromise operational integrity. OWASP identifies prompt injection as the top security risk for LLM applications, highlighting the growing importance of AI security testing and governance.

Comprehensive LLM security audits typically include adversarial testing, prompt injection assessments, red teaming, AI governance reviews, compliance validation, access control analysis, model behavior evaluation, and runtime monitoring strategies. These audits help businesses strengthen AI resilience, improve regulatory readiness, protect sensitive enterprise data, and reduce risks associated with deploying generative AI in production environments. As AI agents and autonomous systems become more deeply integrated into enterprise operations, proactive AI security practices are rapidly becoming essential for safe and scalable AI adoption.

At RightFirms, we’ve curated a list of the top LLM Security Audit companies for 2026 firms that specialize in AI security testing, prompt injection defense, generative AI risk assessment, compliance auditing, and enterprise-grade AI protection strategies.

Last updated: Sep 27, 2026

Comprehensive List of LLM Security Audit Firms | Leading AI Security & Compliance Experts
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Turning enterprise data into confident decisions

3.7★★★★★3.7 / 5
Employees51 to 250
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit
LocationIndia, USA

DataTheta.com is the official website of DataTheta, an enterprise data and analytics consulting firm having its offices in India and United States. It helps organizations convert fragmented data into reliable, decision-ready intelligence. The company specializes in data engineering, data warehousing and lakehouse platforms, business intelligence, analytics, and data science & AI.Read More About Datatheta

AI-Driven Cybersecurity & Zero Trust Solution

3.5★★★★★3.5 / 5
Employees251 to 1000
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit
LocationUSA

AI-powered Zero Trust cybersecurity. Blocks 10B+ attacks daily, 90% faster MTTR, 24/7 G-SOC monitoring & compliance (GDPR, CERT-In). Secure your enterprise today. Read More About Futurism Security

Transform the way you work

3.4★★★★★3.4 / 5
Employees11 to 50
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit
LocationUSA

AI Automation Agency 360 is a San Francisco-based AI development and automation company that builds custom AI solutions and intelligent automation systems for businesses across industries, delivering measurable ROI through tailored builds and seamless integration.Read More About AI Automation Agency 360

Digital Marketing Agency

3.8★★★★★3.8 / 5(3 reviews)
Employees51 to 250
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit

Founded in 2021, Right Media is a performance-driven digital marketing agency headquartered in Dubai, UAE, with additional offices in Sharjah and operations extending internationally. As a Shopify Partner, we specialize in delivering end-to-end e-commerce solutions, from custom Shopify store development and migration to CRO strategies that maximize return on ad spend.Read More About Right Media

5.0

“Snoopy Circle Web And Digital Transformation”

Kristine JohnsonVerified review

The power to change your future

4.0★★★★★4.0 / 5
Employees251 to 1000
Avg. hourly rate$101 - $150 /hr
Focus AreaLLM Security Audit
LocationUSA

DevicoAI is a latest venture, providing cutting edge services on the from computationally intensive Machine Learning platform development to the implementation of LLM-powered systems from major providers.Read More About DevicoAI

Enabling Operational Excellence

3.9★★★★★3.9 / 5
Employees11 to 50
Avg. hourly rate< $25 /hr
Focus AreaLLM Security Audit
LocationIndia

iTechOps Cloud Pvt. Ltd. delivers modern CloudOps, DevOps, Data Analytics, and GenAI solutions to help businesses automate operations, optimize multi-cloud environments, and scale securely. With expertise in cloud-native engineering and digital transformation, we build high-performance, reliable, and future-ready technology systems.Read More About iTechOps Cloud Pvt. Ltd.

Turning AI into ROI

3.9★★★★★3.9 / 5
Employees11 to 50
Avg. hourly rate$51 - $100 /hr
Focus AreaLLM Security Audit
LocationUSA

Agents Architects is a intelligent AI workflow automation company and builds custom AI agents that integrate seamlessly with tools like CRMs, ERPs, email, and chat. We help businesses eliminate manual tasks, accelerate decisions, and scale productivity.Read More About AgentsArchitects.ai

We deploy working AI for working businesses.

3.9★★★★★3.9 / 5
Employees51 to 250
Avg. hourly rate$51 - $100 /hr
Focus AreaLLM Security Audit
LocationPakistan

Hashlogics is an agentic AI development company. Its senior engineers build AI agents, voice AI, RAG systems, automation and custom software to a defined production standard, then maintain them after launch. Clients span healthcare, insurance, logistics, manufacturing, legal and field services, with named case studies and measured results behind every engagement.Read More About Hashlogics

Driving Big Decisions with Reliable Data

3.9★★★★★3.9 / 5
Employees11 to 50
Avg. hourly rate< $25 /hr
Focus AreaLLM Security Audit
LocationUSA

We are a Product, Data & AI engineering company with a focus on Designing - Building & Upgrading enterprises on Microsoft Azure & Amazon Web Services (AWS) Gen AI platforms with value.Read More About Discover Alpha LLC

Generative AI Projects & Product Development Company

3.9★★★★★3.9 / 5
Employees11 to 50
Avg. hourly rate< $25 /hr
Focus AreaLLM Security Audit
LocationIndia

Welcome to Xillentech! We are a dynamic team committed to leveraging cutting-edge technologies to drive meaningful change in society. Read More About xillentech

Internet Marketing Service

3.7★★★★★3.7 / 5
Employees2 to 10
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit
LocationUK

Leominix is a London-based digital marketing agency helping UK businesses grow online since 2026. Read More About Leominix

Best Digital Marketing Specialist

3.7★★★★★3.7 / 5
EmployeesFreelancer
Avg. hourly rate< $25 /hr
Focus AreaLLM Security Audit
LocationIndia

Results-driven digital marketer specializing in SEO and performance marketing. I help businesses improve search rankings, drive targeted traffic, and generate quality leads through data-driven strategies. With expertise in website optimization, paid ads, and content strategy, I focus on delivering measurable growth and long-term digital success.Read More About Ajmal Shukoor

Production-Grade Engineering

3.7★★★★★3.7 / 5
Employees251 to 1000
Avg. hourly rate$51 - $100 /hr
Focus AreaLLM Security Audit
LocationPoland

Azati is focusing at AI-augmented engineering and cutting-edge software services delivery to its global clients. Azati offers outcome ownership rather than feature delivery: we take engineering responsibility for production systems rather than handing off code at the end of a sprint. This attitude makes Azati a genuine partner helping data-heavy enterprises balance insourcing capabilities and outsourcing capacity.Read More About Azati Software

Empowering Customers with Technology

3.7★★★★★3.7 / 5
Employees51 to 250
Avg. hourly rate< $25 /hr
Focus AreaLLM Security Audit
LocationUSA

Ditstek Innovations is a Canada-based custom software development company delivering AI, IoT, and healthcare-focused solutions globally. We specialize in building scalable, secure, and innovative digital products that empower businesses to achieve growth through technology.Read More About Ditstek Innovations

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