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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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Mallow Technologies Private Limited
RightFirms reviewed this company’s profile, work, reviews, clientele, and public trust signals.

Leveraging technology

4.9★★★★★4.9 / 5(10 reviews)
Online
Employees251 to 1000
Avg. hourly rate< $25 /hr
Focus AreaLLM Security Audit
LocationIndia, UK

Mallow Technologies is an AI-driven custom software development company with 16+ years of experience delivering web, mobile, Salesforce, and AI-powered solutions. We provide end-to-end services from strategy and design to development, deployment, and support. Backed by cross-functional teams including UI/UX, DevOps, QA, business analysts, and AI specialists, we have successfully partnered with 113+ clients to build scalable, secure, and business-focused digital products.Read More About Mallow Technologies Private Limited

5.0Reviewed 2 months ago

“They've become a valuable strategic partner.”

Aaron Kassover, AgentMethods, Founder

AI-First Company for Rapid Product Development

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

NetSet Software is a global AI-first software development company specializing in AI automation, blockchain solutions, web & mobile app development, and custom software engineering. Founded in 2011, the company has delivered 5000+ projects for startups and enterprises worldwide. NetSet helps businesses launch scalable digital products faster through MVP development, dedicated teams, and next-generation technologies including Agentic AI, Web3, and enterprise automation solutions.Read More About Netset Software

Dextra Labs: Enterprise AI Consulting & Development Partner

3.4★★★★★3.4 / 5
Employees11 to 50
Avg. hourly rate$51 - $100 /hr
Focus AreaLLM Security Audit
LocationSingapore, USA

Dextra Labs is a specialist AI consulting and engineering firm helping businesses build production-grade AI systems. We specialize in LLMs, RAG, AI agents, Agentic AI, NLP, generative AI, intelligent automation, and enterprise AI implementation. Our AI consulting services help organizations turn complex AI requirements into scalable, secure, and measurable solutions across the USA, Singapore, UK, UAE, and India.Read More About Dextra Labs

Building AI Agents, SaaS Platforms & Custom Software

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

InterCode works inside Anthropic's Claude Partner Network as a Claude Certified Services Partner. Our deepest expertise lies in AdTech and MarTech products: we build multi-agent AI systems, AI integrations and automation, BI and data platforms, and web and mobile apps for advertising and digital marketing companies, along with businesses in multifamily real estate and hospitality. Founded in 2019, InterCode has a client list that spans the US, Europe and the Middle East.Read More About InterCode

Custom Software Development

3.7★★★★★3.7 / 5
Employees51 to 250
Avg. hourly rate$51 - $100 /hr
Focus AreaLLM Security Audit
LocationNetherlands

At Acropolium, we help companies build software that solves real business challenges. From dedicated developers to full-cycle product teams, we support web, mobile, cloud, AI, and enterprise projects with a practical, flexible, and partnership-driven approach.Read More About Acropolium

Grow Your Visibility, Leads & Revenue With Result-Driven SEO

3.8★★★★★3.8 / 5
Employees11 to 50
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit
LocationUSA

iSEO Agency is a US-focused SEO and digital marketing agency helping businesses improve their visibility across Google Search, Google Maps, and AI-powered search platforms. We create customized SEO strategies for contractors, home service businesses, franchises, professional service companies, and eCommerce brands to increase qualified traffic, phone calls, leads, and revenue. Our services include Local SEO, Google Maps optimization, Google Business Profile optimization, technical SEO, on-pageRead More About iSEO Agency

AI-Powered Software and Mobile App Development Company

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

GMTA Software Solutions is a custom software and AI development company based in Jaipur, India. With 7+ years in business, 200+ projects delivered and a team of 25+ developers, GMTA builds mobile apps, web applications, SaaS products and AI solutions for startups and growing businesses. It focuses on fintech and eWallet, healthcare, on-demand mobility and AI-driven products, serving clients in the US, UAE, Japan and Singapore, with offices in India, the US, Singapore and Japan.Read More About GMTA Software Solution

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

We build Composable Content Systems. Fast and Scalable.

5.0★★★★★5.0 / 5(24 reviews)
Employees11 to 50
Avg. hourly rate$51 - $100 /hr
Focus AreaLLM Security Audit
LocationUK, Poland

FocusReactive is an engineering-led headless CMS, eCommerce, and Next.js development agency. As an official partner of Sanity, Storyblok, Contentful, and Payload CMS, we build and migrate composable, vendor-agnostic content systems — always selecting the platform that fits the project, not the one we default to.Read More About FocusReactive

5.0Reviewed 1 week ago

“We were very happy with the results and will use FocusReactive in the future.”

Antonio Kaleb, Director of E-Commerce, LARQ

Turning ideas into intelligent digital products

3.7★★★★★3.7 / 5
Employees11 to 50
Avg. hourly rate< $25 /hr
Focus AreaLLM Security Audit
LocationIndia, USA

CodesClue is a leading IT consulting and software development company specializing in AI, ML, Cloud Computing, and IoT. We deliver innovative digital solutions to help businesses grow and succeed.Read More About CodesClue Technologies

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

Software Development Company for Product & Engineering Teams

4.3★★★★★4.3 / 5(9 reviews)
Online
Employees11 to 50
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit
LocationUSA

MTechZilla is a custom software development company helping growing companies and product teams across the US and EU to build software products or scale engineering capacity. Senior, pre-vetted developers fully aligned to your timezone. AWS Partner with 40+ products delivered.Read More About MTechZilla

5.0Reviewed 2 months ago

“The team knows what they’re doing.”

Matt Singley, Co-Founder

Top Web & Mobile App Development Company Worldwide

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

Zactra Technologies Inc. is a team of experienced developers, designers, and technology consultants delivering high-quality web, mobile, AI, cloud, and enterprise software solutions for startups and established businesses across the globe.Read More About Zactra Technologies Inc.

AI for speed. Human expertise for everything else.

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

Gaincafe Technologies is an AI-first software engineering studio based in Jaipur, India. With 12+ years of core expertise and 500+ delivered projects, we specialize in building fast AI MVPs, scalable web & mobile apps, and custom enterprise workflows.Read More About Gaincafe Technologies

AI-First. Fast Response. Responsive Services.

4.0★★★★★4.0 / 5
Employees251 to 1000
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit
LocationPoland, USA

Elinext is a global AI-first software development company with 28+ years of experience, 700+ developers, 300+ clients, and 1,000+ delivered projects. We build and modernize custom AI, enterprise, web, and mobile solutions for Healthcare, FinTech, ERP, CRM, IoT, and other industries. Our human-verified approach keeps AI transparent, reliable, and production-ready.Read More About Elinext

Quality & Affordable Software Development Starts Here.

4.0★★★★★4.0 / 5
Employees51 to 250
Avg. hourly rate< $25 /hr
Focus AreaLLM Security Audit
LocationIndia, UK

Why Businesses Choose Acquaint Softtech? Acquaint Softtech Private Limited is a software development outsourcing and IT staff augmentation company helping businesses build, improve, and scale digital products. With 13+ years of experience, 1,300+ projects delivered, and 70+ in-house engineers, we bring together software development expertise and modern technologies to solve real business challenges. We are also official partners of Laravel, Statamic, and Bagisto.Read More About Acquaint Softtech

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

Your AI-Powered Engineering Partner

4.9★★★★★4.9 / 5(12 reviews)
Employees51 to 250
Avg. hourly rate$26 - $50 /hr
Focus AreaLLM Security Audit
LocationUSA, United Arab Emirates

Liquid Technologies automates enterprise operations using AI, custom software, and data engineering. We work with healthcare, manufacturing, logistics, and regulated industries to replace manual workflows with intelligent automation. Our team delivers AI integration, private deployment, compliance-ready systems, and staff augmentation across AWS, Microsoft, and Google Cloud. ISO 27001 certified. Led by Forbes Technology Council member.Read More About Liquid Technologies

5.0

“Great work, highly recommended!”

Brian Silver, Director of Client Experience

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