AI sales assistant
development services

Slow cycles, messy data, and admin overload hold sales teams back. AI assistants help qualify leads, guide the next move, and keep insights accurate across every channel.

With 20+ years of engineering expertise and 150+ AI projects delivered, our custom sales software with AI at its core delivers engineering peace of mind through seamless integration, clear communication, and solutions that grow stronger over time.

Core features of AI sales assistants

Our smart sales assistant software is built to guide every stage of the sales cycle, equipping your team with tools that engage leads, close deals, and keep data consistent without extra overhead.

Lead qualification and prioritization

AI evaluates each new lead against predefined criteria, such as industry, company size, budget, or past behavior, assigning a score and ranking opportunities based on their conversion potential. Sales reps can immediately see which prospects deserve attention, avoid wasting time on low-value leads, and move qualified deals forward more efficiently.

Real-time recommendations and follow-ups

Machine learning models analyze customer behavior and interaction history to recommend the next best course of action. From personalized templates to timely follow-up reminders, the system ensures every prospect receives the right message at the right moment, helping teams engage consistently at scale.

Automated CRM updates

AI assistants eliminate manual entry by logging calls, emails, and deal updates directly into your CRM. With errors reduced and records always up to date, reps gain more time to focus on selling while maintaining the peace of mind that nothing is overlooked.

Conversational chatbots and voice assistants

AI-powered chatbots interact with prospects across websites or messaging channels, answering questions, capturing details, and qualifying leads before they reach a salesperson. Voice assistants support calls with real-time prompts, automated summaries, and CRM logging, ensuring conversations turn into actionable insights without adding to the team’s workload.

Integration with e-commerce, CRM, and ERP platforms

Seamless connections with Salesforce, HubSpot, Shopify, and custom CRMs mean every assistant fits naturally into your stack. Our CRM AI assistant development introduces advanced features such as automated data entry, lead scoring, and predictive analytics directly inside the CRM, which creates a single source of truth that makes sales workflows faster, more accurate, and easier to scale.

Forecasting and predictive analytics

Generative AI for sales teams processes historical data alongside live market signals to forecast demand, identify deals at risk, and surface new opportunities for upselling or cross-selling. Sales leaders gain a sharper view of the pipeline, reduce missed targets, and strengthen planning for long-term growth.

We use AI sales software ourselves, so we know the pain points and what it takes to overcome them.

Ready to transform your sales process with AI? Talk to our experts about assistants that streamline workflows, qualify leads faster, and give your team more time to close deals.

Start your AI sales journey today

The business impact of AI sales assistants

Custom AI virtual sales assistants deliver measurable results for modern sales teams:

  • Shorter sales cycles and less manual work. HubSpot noted that sales professionals save significant time using AI: about 2 hours and 15 minutes daily by automating manual tasks like data entry, note-taking, and scheduling.
  • Higher win rates through real-time segmentation and personalized engagement. Companies using AI in sales have reported increases of up to 50 percent in leads, a reduction in call time of as much as 70 percent, and a decrease in costs of up to 60 percent.
  • Improved forecasting with fewer risks and missed opportunities. According to the study, participants who used large language model assistants achieved 24-28 percent higher forecasting accuracy than those without AI support.
  • 24/7 availability. AI assistants ensure your sales never sleep, engaging prospects across time zones and channels without downtime.
  • Engineering peace of mind. With Vention, you gain reliable, secure, and scalable systems that evolve alongside your business.

Hear from our expert

AI-driven forecasting reshapes the way sales leaders see their pipeline. By combining historical CRM data with live market signals using frameworks like PyTorch and platforms such as Vertex AI, Vention can model deal health and predict outcomes with far greater accuracy.

Layering LLMs on top adds interpretability, turning raw numbers into narratives that reveal why a deal is at risk. That blend of insight and explanation gives leadership the assurance they need in the data and the clarity required for decisive action.”

Pavel Nekrasov 3х

AI Expert at Vention

Why choose a custom AI sales assistant

Standard sales tools may cover the basics, but they rarely meet the demands of complex organizations with unique goals. A custom AI sales assistant is built around your workflows, data, and growth targets, giving you a solution that truly fits how your business sells.

Seamless CRM integration

We design AI assistants that connect directly with your existing platforms, including Salesforce, HubSpot, or fully custom CRMs, which ensures your sales team has a single source of truth without switching between systems.

Flexibility for domain-specific needs

Every industry has its own requirements, from compliance and reporting to multi-channel communication. A tailored AI assistant adapts to those demands, so your process remains intact while performance scales.

Built-in scalability

Custom architecture supports SaaS products as well as enterprise platforms, ensuring your system expands smoothly with demand and user volume.

KPIs optimization

Your assistant is configured to track and improve the metrics that matter most (conversion rates, deal velocity, territory management, and customer lifetime value), so sales outcomes remain predictable and growth stays on track.

Our services

Vention provides end-to-end support to help you design, build, and scale AI sales automation solutions that fit your business needs and growth goals. With AI-enabled teams that deliver up to 15 percent more efficiency, you gain both cutting-edge engineering and day-to-day peace of mind.

01

Consulting and audit

Before development begins, we work closely with your team to understand sales processes and identify where AI brings the most value. This includes:

  • Requirements gathering and workflow mapping: We’re documenting how your sales team works and where inefficiencies exist.
  • AI readiness assessment: Our experts analyze your data sources, CRM infrastructure, and sales tools to determine if they’re AI-ready.
  • Gap analysis and recommendations: AI Vention consultants highlight missing capabilities or integration points and create a roadmap to close these gaps.
02

Full-cycle development

Once the strategy is set, our engineers build solutions tailored to your exact requirements. This covers:

  • MVP development: Our team can quickly launch a minimum viable product to validate functionality and demonstrate value early.
  • Enterprise solutions development: Vention designs robust, scalable platforms that handle complex sales operations and large data volumes.
  • LLM integration for sales platforms and NLP consulting: Vention NLP engineers design and integrate large language models for tasks such as real-time lead qualification, personalized outreach, and sales forecasting.
  • Conversational AI assistants development: We create chatbots and voice assistants that automate lead nurturing, handle inbound queries, and support outbound outreach.
  • Cloud-native architecture development: Our cloud engineers build secure, resilient systems that scale easily with demand and ensure seamless integration with existing tools.
  • Flexible APIs creation and integrations: We connect your AI assistant with Salesforce, HubSpot, custom CRMs, ERP systems, and ecommerce platforms.
03

Ongoing support and optimization

Our work continues beyond launch to ensure your AI assistant delivers lasting value:

  • Monitoring and fine-tuning: Our AI developers track the performance of your automation AI sales assistant and adjust models for higher accuracy.
  • Feature enhancements: According to your needs, we can add new capabilities to your personal AI helper as your business evolves.
  • Post-release support: We’ll provide updates, security patches, and dedicated engineering support so you can confidently scale.

With Vention, you gain not only a high-performing AI solution but also the engineering peace of mind that comes with a proven partner experienced in both sales operations and advanced AI technologies.

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Looking for measurable results, not just automation?

With 20+ years of engineering expertise and hundreds of AI projects delivered, Vention builds sales assistants that shorten cycles, boost win rates, and scale as your business grows.

Our technology stack

Behind every AI sales assistant we build is a carefully selected set of tools and frameworks. We combine proven programming languages with modern frontend frameworks, powerful AI engines, and robust DevOps practices.

AI engines

OpenAI

Google Vertex AI

Azure AI

Amazon SageMaker

NLP & LLM

GPT-4

LLAMA

custom-trained models

Backend

Node.js

Python

Java

.NET

Frontend

React

Angular

Vue.js

Integrations

REST

GraphQL

Webhooks

Salesforce

HubSpot

custom CRMs

DevOps

Kubernetes

Docker

AWS

GCP

Azure

Tip from our engineer

Building effective AI sales assistants isn't just about plugging in an LLM. On the engineering side, Vention pairs Kafka for event streaming, LangChain for orchestration and tool use, and Pinecone as the vector store for semantic retrieval, with direct integrations to Salesforce and HubSpot.

This architecture enables us to qualify leads in real-time, generate context-aware recommendations, and automatically synchronize CRM records. Using managed AI platforms such as Amazon Bedrock or SageMaker (or Vertex AI) for model hosting and training, and FastAPI for low-latency inference services, we can deliver scalable, secure platforms that fit daily sales workflows.”

Nikita Kosilo

Nikita Kosilo

Lead Full-Stack Engineer with AI expertise at
Vention

Our partnerships

At Vention, we strengthen our AI sales automation solutions through partnerships across the global tech ecosystem.

By collaborating with cloud leaders, CRM providers, and automation platforms, we ensure every solution is seamlessly integrated, highly scalable, and built for long-term business impact with the peace of mind that comes from proven technology alliances.

Our technology partners

AWS

As an AWS Partner, we leverage SageMaker and other services to build scalable AI models that power sales automation, forecasting, and predictive insights.

Microsoft AI Cloud

Our Microsoft AI Cloud partnership allows us to deliver intelligent, cloud-ready sales solutions using Azure Cognitive Services and advanced analytics.

Google Cloud

With Google Vertex AI, Vention designs, trains, and deploys custom models that improve accuracy and efficiency in lead scoring and sales forecasting.

Salesforce

As a Salesforce Consulting Partner, we integrate AI assistants directly into CRM workflows, so sales teams can qualify leads, track conversations, and act on insights without leaving their primary tool.

UiPath

By pairing UiPath with AI, we transform repetitive sales tasks into efficient, automated processes that accelerate deal velocity.

Payload

With Payload’s headless CMS, sales and marketing content flows seamlessly, making campaigns easier to manage and publish more quickly.

Stripe

Our Stripe partnership enables secure billing and subscription management, helping SaaS sales platforms monetize advanced AI-driven features.

Oracle

Partnering with Oracle allows us to deliver enterprise-grade AI sales assistants powered by scalable cloud infrastructure, which is ideal for high-volume and complex deployments.

Certified expertise

Our engineers validate their expertise through recognized certifications, ensuring clients get both innovation and reliability:

Cloud certifications

  • Microsoft: Azure Administrator Associate, Azure Solutions Architect Expert, Azure AI Fundamentals, Azure Data Fundamentals, Azure Developer Associate.
  • Google Cloud: Professional Machine Learning Engineer, Associate Cloud Engineer.
  • AWS: Certified Solutions Architect (Associate and Professional), AWS Developer Associate, AWS DevOps Engineer Professional, AWS Machine Learning Specialty, AWS Cloud Practitioner.

Enterprise platforms and CRM certifications

  • Salesforce: Certified Administrators, Advanced Administrators, Platform Developers I & II, App Builders, Sales Cloud Consultants, Service Cloud Consultants, Marketing Cloud Specialists, Integration and Data Architects.
  • Adobe: Adobe Certified Expert, Adobe Commerce Developer, Adobe Certified Professional, Adobe Commerce Business Practitioner.
  • Oracle: Oracle Cloud Infrastructure AI Certified Foundations Associate, Oracle Certified Java Programmer.

Software development and QA certifications

  • Programming and databases: PCEP Certified Python Programmer, MongoDB Associate Developer and DBA, Microsoft Certified Solutions Developer (app builder, web applications), Java SE Programmer.
  • Testing and QA: ISTQB Certified Testers (foundation and advanced levels), Test Automation Engineer, QA Functional Testing Foundations, EPAM-powered Java Test Automation.
  • DevOps and Kubernetes: Certified Kubernetes Administrators (CKA), CNCF Certified Kubernetes Application Developer, Microsoft certified: DevOps Engineer Expert.

With this combination of AI, cloud, CRM, and QA certifications, Vention provides clients with engineering peace of mind because every solution is delivered by experts who meet the highest industry standards.

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Testimonials

At Vention, we build AI scalable sales assistant platforms and form partnerships that stand the test of time. Clients trust our engineering depth and seamless support at every stage of the project, and their feedback on Clutch.co showcases the impact of our collaboration.

Geoffrey Teale 3х

Geoffrey Teale

Head of Developer Experience, Upvest

“The most impressive thing is the way we work together. Vention engineers are fully integrated within Upvest and contribute to many aspects of our product. Vention engineers have challenged ideas and demonstrated a product mindset. Not only have they executed the tasks given, but they've also shown an understanding of the product's impact and developed the functionality taking into account the domain requirements and user experience.”

“We hired Vention to provide us with engineering and consulting services…Vention has saved us time and money. The quality of their work has been fantastic, and they work together as a great team. Their organization is far better than the other organizations I’ve worked with before.”

Jeff Shek

Jeff Shek

VP of Engineering, HistoWiz

“As our business gradually expanded, we relied more heavily on their team of skilled contractors who consistently exceeded our expectations. … Their expertise and dedication were instrumental in achieving remarkable results. … The team that we have built here truly has been insanely impressive.”

FAQs

Why do companies need custom AI sales assistants?

Companies choose AI sales assistants because they streamline sales processes, reduce manual work, and deliver real-time insights that help teams close deals faster. AI-powered assistants qualify leads, recommend next steps, update CRMs automatically, and even forecast trends, allowing sales teams to focus more on building relationships and driving revenue.

How do custom AI assistants compare to off-the-shelf tools?

Off-the-shelf tools can handle the basics, but they rarely capture the nuances of complex sales workflows. A custom AI solution adapts to your existing systems, scales as you grow, and drives better ROI through tailored automation and insights.

How long does it take to implement an AI sales assistant?

Implementation depends on the scope. A lightweight MVP can often be launched within weeks, while a complete enterprise-grade platform may take several months. Our consulting phase defines realistic timelines and ensures smooth integration into your current stack.

How much does a custom AI sales assistant cost?

Cost varies depending on the scope and complexity of your project. You can use our calculator to get a preliminary assessment instantly or connect with our sales team, who will follow up within a few hours with a detailed estimate.

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