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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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Your imagination Amplified, Digitally.

3.0★★★★★3.0 / 5(1 reviews)
Employees51 to 250
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit
LocationIndia

Smoking Chimney Studios weaves storytelling with the power of AI, UIUX and advertising to build meaningful connections for people; headquartered in Pune, India, and with a global presence from Berlin, Germany, we are much more than a creative agency, tech consultancy, or ad firm being a partner who brings your vision to life.Read More About Smoking Chimney

4.8

“Great Experience”

Komal Agarwal, FounderVerified review

The customer experience transformation partner

4.0★★★★★4.0 / 5
Employees10,000+
Avg. hourly rate$151 - $200 /hr
Focus AreaLLM Security Audit
LocationUSA

TELUS Digital is the customer experience transformation partner to the world’s most admired brands. Our diverse team weaves data, technology and human ingenuity to deliver differentiated customer journeys, drive operational effectiveness and scale AI solutions with meaningful value and positive impact.Read More About TELUS Digital

AI & Custom Software Development Experts

4.2★★★★★4.2 / 5
Employees51 to 250
Avg. hourly rate$51 - $100 /hr
Focus AreaLLM Security Audit
LocationPoland

We’re one of Europe’s most forward-thinking software development partners, supporting you from discovery and architecture through design, development, and long-term evolution. Whether you’re launching a new product, modernizing existing systems, or enhancing apps, we prioritize efficiency, scalability, measurable value. We create digital products that improve acquisition, engagement, and retention, driving higher ROI and customer lifetime value.Read More About TeaCode

Excellent in Every Block

4.2★★★★★4.2 / 5
Employees51 to 250
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit
LocationVietnam

Founded in 2022, Varmeta is a leading technology company based in Vietnam, specializing in Blockchain, AI, and AR/VR solutions. In just a few years, we’ve grown into a team of 100+ skilled engineers and researchers, including three PhD experts specializing in blockchain architecture, distributed computing, and data intelligence. Contact with us: https://www.var-meta.com/Read More About Var Meta., JSC

One-Stop AI-first Development Partner

4.0★★★★★4.0 / 5
Employees51 to 250
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit
LocationIndia, USA

AI consulting partner for products & AI agents. DianApps helps startups and enterprises build production-ready AI systems, intelligent agents, and modern software that delivers real business outcomes.Read More About DianApps

AI-Native Engineering & Solutions Company

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

Quokka Labs is an end-to-end AI-native engineering and solutions company helping startups, enterprises, and government institutions build, modernize, and scale intelligent digital products. We combine AI strategy, Generative AI, Agentic AI, product engineering, cloud, data, and custom software development to create secure, scalable, production-ready solutions that deliver measurable business outcomes.Read More About Quokka Labs LLP

Your Tech Partner for Growth

3.9★★★★★3.9 / 5
Employees251 to 1000
Avg. hourly rate$51 - $100 /hr
Focus AreaLLM Security Audit
LocationUSA, Poland

Zoolatech provides engineering excellence—whether you need team augmentation or complete product delivery—trusted by startups and Fortune 500s worldwide. Read More About Zoolatech

Your reliable partner in digital transformation

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

We help companies digitalize and future-proof their businesses with AI-driven software solutions. Read More About SumatoSoft

Build Smarter & Faster with AI-Native Engineering Solutions

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

WebClues Infotech is an AI-native development company founded in 2014, specializing in enterprise AI solutions, AI integration, intelligent automation, and custom software development. With expertise in generative AI, LLMs, RAG, AI agents, and machine learning, we help businesses build, integrate, and scale intelligent solutions. As a CMMI Level 5 certified company, we have delivered 950+ projects across global markets and industries.Read More About WebClues Infotech

Transcend with Digital Agility

3.9★★★★★3.9 / 5
Employees251 to 1000
Avg. hourly rate$151 - $200 /hr
Focus AreaLLM Security Audit
LocationUSA

Veritis Group is a global IT consulting services company with diversity embedded in its culture. As a trusted cloud services provider and AWS strategic partner, we bring together experts from diverse backgrounds. We invest in our people by providing ample opportunities to learn the latest technologies, acquire new skills, and expand industry knowledge, ensuring we remain a leading cloud consulting services partner to our clients.Read More About Veritis Group Inc

AI & Mobile App Development Company

3.9★★★★★3.9 / 5
Employees51 to 250
Avg. hourly rate$101 - $150 /hr
Focus AreaLLM Security Audit
LocationUSA

IT Path Solutions is a leading IT services and solutions provider dedicated to helping businesses harness the power of technology to achieve their goals. Read More About IT Path Solutions

IT Services/IT Consulting

3.9★★★★★3.9 / 5
Employees51 to 250
Avg. hourly rate< $25 /hr
Focus AreaLLM Security Audit
LocationUSA

WE ARE SIGNIN SOLUTIONS INC. Think of us as partners in your success. For it is our constant endeavor to bring to you world-class talent solutions. Solutions to fit your business needs. Always. We have designed our success equation to be:People + Process + Performance + Partnership = IMPACT!!!Read More About Sign-In Solutions Inc.

Veeva, AI, and data solutions for life sciences.

3.8★★★★★3.8 / 5
Employees11 to 50
Avg. hourly rate< $25 /hr
Focus AreaLLM Security Audit
LocationUSA

IntuitionLabs is a Silicon Valley firm building AI software for pharma. Led by veteran Adrien Laurent, we bridge the gap between GenAI and regulations like FDA 21 CFR Part 11 and GxP. As a Veeva Vault CRM X Pages Partner, we offer Veeva Nitro integration, data engineering, and clinical chatbots. Our four step method (Assess, Train, Support, Measure) ensures compliant digital transformation and real time sales insights for leaders like Scilex.Read More About IntuitionLabs

Wisdom in Motion

3.7★★★★★3.7 / 5
Employees51 to 250
Avg. hourly rate$101 - $150 /hr
Focus AreaLLM Security Audit
LocationUSA

Pendoah is a software development company in Houston, Texas, helping businesses across the U.S. build digital products. We provide custom software development, mobile app development, web application development, SaaS development, AI development services, ERP and CRM solutions, data engineering, MLOps, staff augmentation, and product pods. From strategy and UI/UX to engineering, cloud deployment, integration, and optimization, our team supports the product lifecycle.Read More About Pendoah

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