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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.

How this list is built: This list is prepared using multiple trust and relevance signals, including profile completeness, service expertise, reviews and review freshness, external business signals, and selected signals reviewed by the RightFirms research team. We regularly review these signals and update our listings to help buyers discover credible and relevant partners. Learn more about our methodology

Comprehensive List of LLM Security Audit Firms | Leading AI Security & Compliance Experts
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We deploy working AI for working businesses.

3.9★★★★★3.9 / 5
Employees51 to 250
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit
LocationPakistan

We deploy working AI for working businesses. Hashlogics is an agentic AI development company: senior engineers who design, ship and maintain AI agents, voice assistants, RAG systems, workflow automation and custom software. Every system is delivered to a production standard, goes live inside the tools the client already runs, and is kept running by the engineers who built it. We work with funded startups and operating businesses in the US, UK, Switzerland and Australia.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

Content, design and technology for Fortune 500 companies and

3.5★★★★★3.5 / 5
Employees51 to 250
Avg. hourly rate$51 - $100 /hr
Focus AreaLLM Security Audit
LocationUK

Digital Apple designs and builds B2B websites, UX/UI, custom applications and AI-powered digital experiences. We also support AEO and SEO so organisations are discoverable by both people and AI search systems.Read More About Digital Apple

A place where Core meets Importance in tech talent matching.

3.5★★★★★3.5 / 5
Employees11 to 50
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit
LocationEstonia

Cortance is a marketplace — not a freelance platform — providing verified software engineers to startups and product companies that want to flexibly manage technical capacity as needed, without the direct hiring responsibilities or financial burden.Read More About Cortance

Building the Future with Digital Solutions

3.5★★★★★3.5 / 5
Employees51 to 250
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit
LocationIndia, USA

AptaCloud empowers B2B businesses with AI Consulting, Cloud and Microsoft Business Solutions, and Application Modernization. From AI, Systems integration to secure cloud infrastructure, we deliver scalable, efficient, and future-ready strategies that drive growth and innovation.Read More About AptaCloud

We Turn Idea To Products

3.5★★★★★3.5 / 5
Employees11 to 50
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit
LocationUnited Arab Emirates

NxFold Technologies is a Dubai-based software development and digital engineering company specializing in custom web development, mobile apps, AI solutions, cloud services, and digital transformation. We help businesses build scalable, high-performance digital products tailored to their goals, from concept and development to deployment and ongoing optimization.Read More About NxFold Technologies

Disruptive technologoes at work

3.9★★★★★3.9 / 5
Employees11 to 50
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit
LocationIndia

Rubixe™ is a global technology company specializing in disruptive technologies – Artificial Intelligence (AI), Machine Learning, Robotic Process Automation (RPA), BlockChain and Internet of Things (IoT). Rubixe mission to enable businesses to leverage the full potential of disruptive technologies to stay competitive in the market.Read More About Rubixe - AI Company

TekRevol
RightFirms reviewed this company’s profile, work, reviews, clientele, and public trust signals.

Digital Transformation Company

4.8★★★★★4.8 / 5(23 reviews)
Online
Employees251 to 1000
Avg. hourly rate$101 - $150 /hr
Focus AreaLLM Security Audit
LocationUSA

TekRevol is a digital product engineering company creating AI-driven solutions, mobile apps, and scalable digital platforms for startups, scaleups, and enterprises. We deliver innovative products that drive measurable business results.Read More About TekRevol

5.0

“Everything has been pretty smooth”

Deborah M Riley, Owner & Founder of Misfit Innovations LLC

No.1 Digital Transformation and AI Ready Partner

4.5★★★★★4.5 / 5(20 reviews)
Employees51 to 250
Avg. hourly rate$51 - $100 /hr
Focus AreaLLM Security Audit
LocationUnited Arab Emirates

Business Experts MEA LLC is a cutting-edge solutions provider at the forefront of innovation, deeply rooted in the robust capabilities of Microsoft Dynamics. We transcend traditional ERP solutions by harnessing the transformative power of Data and AI, enabling businesses to not only stay ahead of the curve but also to excel in an ever-evolving digital world.Read More About Business Experts MEA L.L.C

5.0

“Efficient Property Management Solutions Partner”

Joe EngelkingVerified review

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