Best Machine Learning Development Agencies

Belitsoft vs Addepto: full comparison for 2026

Last updated: July 2026

Quick verdict

Addepto (4.1/5) edges ahead of Belitsoft (3.9/5) overall. Addepto is the better choice for companies wanting boutique AI/BI consulting from a team now backed by KMS Technology's additional resources post-acquisition.. Belitsoft is the stronger option for small-to-mid companies wanting AI/ML added to a broader custom software development engagement at accessible pricing.. The right choice depends on your project size, budget, and required tech stack.

Belitsoft vs Addepto: head-to-head summary

Criterion Belitsoft Addepto
Founded 2004 2018
HQ Warsaw, Poland Warsaw, Poland
Team size 201–500 51–200
Rating 3.9 / 5 4.1 / 5
Best for Small-to-mid companies wanting AI/ML added to a broader custom software development engagement at accessible pricing. Companies wanting boutique AI/BI consulting from a team now backed by KMS Technology's additional resources post-acquisition.
Pricing model Fixed project and Time & Material Fixed project and consulting retainer
Min. engagement $15K $20K
Primary tech stack Python, Scikit-learn, AWS Python, Scikit-learn, TensorFlow
Industries served Healthcare, Financial Services, Technology/SaaS Financial Services, Retail, Manufacturing

Belitsoft vs Addepto: overview

Belitsoft

Belitsoft is a software development company founded in 2004, headquartered in Warsaw, Poland, with development centers in Gomel and Brest, Belarus. Reported headcount ranges from roughly 250 to 400+ developers, testers, project managers, and DevOps specialists, and the firm has expanded its cloud and AI development proficiency to include generative AI, predictive analytics, and forecasting models alongside its core custom software development practice.

Addepto

Addepto is an AI and data consulting company founded in Warsaw, Poland in 2018 by Edwin Lisowski and Artur Haponik (one source lists 2017), specializing in machine learning, artificial intelligence, and business intelligence solutions. Reported headcount is roughly 55–58 employees across Europe, North America, and Asia. In December 2025, Addepto was acquired by KMS Technology; prospective clients should confirm how the acquisition affects team continuity, existing contracts, and service delivery going forward.

Services and capabilities: Belitsoft vs Addepto

Capability Belitsoft Addepto
Custom ML model development
Deep learning & computer vision
NLP & LLM / Generative AI
MLOps & production deployment
Data engineering
AI strategy consulting
Staff augmentation

Tech stack comparison: Belitsoft vs Addepto

Framework / platform Belitsoft Addepto
Python
TensorFlow N/A
PyTorch N/A N/A
AWS
Azure
Google Cloud N/A N/A
Kubernetes N/A N/A
Databricks N/A N/A
LangChain N/A N/A

Pricing comparison: Belitsoft vs Addepto

Criterion Belitsoft Addepto
Minimum engagement $15K $20K
Engagement models Fixed project, Time & Material Fixed project, Consulting retainer
Rate transparency Minimum disclosed Minimum disclosed
Price tier Accessible Accessible

Target audience comparison: Belitsoft vs Addepto

Dimension Belitsoft Addepto
Best company size Startup to mid-market Startup to mid-market
Best industries Healthcare, Financial Services, Technology/SaaS Financial Services, Retail, Manufacturing
Best use cases Small-to-mid companies wanting a cost-effective partner for a forecasting or recommendation-engine build, Healthcare or finance clients needing predictive analytics added to an existing software product Mid-market companies wanting boutique AI/BI consulting now paired with KMS Technology's broader resources, Business intelligence projects that also require a machine learning component
Typical project type Fixed project Fixed project

Belitsoft vs Addepto: pros and cons

Belitsoft
+ 21 years of continuous custom software development history
+ Accessible minimum engagement size relative to enterprise-scale competitors on this list
+ Deep expertise cited in Big Data, Deep Learning, and Predictive Analytics beyond generic AI marketing language
+ Multi-country delivery (Poland, Belarus) supports competitive pricing for smaller buyers
- AI/ML is a recently expanded practice area layered onto a longer-running general software development business
- Reported headcount varies by source (250 vs. 400+), worth confirming current team size directly
- Less brand recognition in AI/ML specifically compared to AI-first boutiques on this list
Addepto
+ 7 years of focused AI/BI consulting experience prior to the KMS Technology acquisition
+ Small team size historically meant direct founder-level access on engagements
+ Multi-continent presence (Europe, North America, Asia) despite a compact headcount
+ Acquisition by KMS Technology (Dec 2025) may bring additional delivery resources and stability
- Acquired by KMS Technology in December 2025 — buyers should confirm how this affects team continuity, pricing, and existing contracts before signing
- Public sources disagree on exact founding year (2017 vs. 2018) and employee count (55 vs. 58)
- Post-acquisition integration could change the service delivery model in ways not yet publicly documented

Who should choose Belitsoft?

Belitsoft is the right choice for small-to-mid companies wanting AI/ML added to a broader custom software development engagement at accessible pricing..

21 years as a custom software development firm now expanding deliberately into generative AI and predictive analytics.. Minimum engagement starts at $15K. Works best with clients in Healthcare, Financial Services, Technology/SaaS.

Who should choose Addepto?

Addepto is the right choice for companies wanting boutique AI/BI consulting from a team now backed by KMS Technology's additional resources post-acquisition..

Boutique AI/BI consultancy that gained additional scale and resources through its December 2025 acquisition by KMS Technology.. Minimum engagement starts at $20K. Works best with clients in Financial Services, Retail, Manufacturing.

Decision matrix: Belitsoft vs Addepto

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Belitsoft
You need a large dedicated team for an ongoing programme Check each company's engagement model
Your budget is at the lower end Belitsoft
You need specialist depth in a specific vertical Belitsoft
You need staff augmentation or team extension Neither; consider alternatives that offer staff aug
You need consulting before committing to a build Addepto

Use case fit: Belitsoft vs Addepto

Use case Belitsoft fit Addepto fit Winner
Small-to-mid companies wanting a cost-effective partner for a forecasting or recommendation-engine build Strong Limited Belitsoft
Healthcare or finance clients needing predictive analytics added to an existing software product Strong Limited Belitsoft
Mid-market companies wanting boutique AI/BI consulting now paired with KMS Technology's broader resources Limited Strong Addepto
Business intelligence projects that also require a machine learning component Limited Strong Addepto
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: Belitsoft vs Addepto

Addepto (4.1/5) is the stronger overall choice for most Machine Learning Development projects. Boutique AI/BI consultancy that gained additional scale and resources through its December 2025 acquisition by KMS Technology.. It is best for companies wanting boutique AI/BI consulting from a team now backed by KMS Technology's additional resources post-acquisition..

Belitsoft (3.9/5) is the better choice when small-to-mid companies wanting AI/ML added to a broader custom software development engagement at accessible pricing.. If your situation matches those criteria, Belitsoft is a competitive option.

Related comparisons

Belitsoft vs Addepto FAQ

Is Belitsoft better than Addepto?

Addepto (4.1/5) scores higher overall, but "better" depends on your use case. Belitsoft is better for small-to-mid companies wanting AI/ML added to a broader custom software development engagement at accessible pricing.. Addepto is better for companies wanting boutique AI/BI consulting from a team now backed by KMS Technology's additional resources post-acquisition..

How do Belitsoft and Addepto differ in pricing?

Belitsoft uses fixed project and time & material pricing with a minimum engagement of $15K. Addepto uses fixed project and consulting retainer pricing with a minimum engagement of $20K. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Belitsoft or Addepto?

Belitsoft is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each agency before shortlisting.

What are the main differences between Belitsoft and Addepto?

Belitsoft's primary differentiator is: 21 years as a custom software development firm now expanding deliberately into generative ai and predictive analytics.. Addepto's primary differentiator is: boutique ai/bi consultancy that gained additional scale and resources through its december 2025 acquisition by kms technology.. They also differ in team size (201–500 vs 51–200), minimum engagement ($15K vs $20K), and primary industries served (Healthcare, Financial Services vs Financial Services, Retail).

Last reviewed: July 2026. Verify all details directly with each agency before making a decision.