Best ML Development Services

Existek vs Andersen: full comparison for 2026

Last updated: July 2026

Quick verdict

Existek (3.9/5) edges ahead of Andersen (3.7/5) overall. Existek is the better choice for mid-market companies wanting a Clutch-recognized offshore development firm with AI as an add-on service.. Andersen is the stronger option for enterprises wanting AI consulting bundled with a very broad general software-engineering practice (.NET, Java, mobile, etc.).. The right choice depends on your project size, budget, and required tech stack.

Existek vs Andersen: head-to-head summary

Criterion Existek Andersen
Founded 2012 2007
HQ Bucharest, Romania Warsaw, Poland
Team size 50–249 3,600+
Rating 3.9 / 5 3.7 / 5
Best for Mid-market companies wanting a Clutch-recognized offshore development firm with AI as an add-on service. Enterprises wanting AI consulting bundled with a very broad general software-engineering practice (.NET, Java, mobile, etc.).
Pricing model Project-based, dedicated team Time & materials, dedicated team
Min. engagement $25,000+ Not published
Primary tech stack Python, TensorFlow, AWS Python, .NET, Java
Industries served Healthcare, Oil & Gas, Education, Business Intelligence FinTech, Healthcare, Retail & E-commerce, Manufacturing

Existek vs Andersen: overview

Existek

Existek was founded in 2012 and operates with a 50–249 person team split across Bucharest, Romania and Vinnytsia, Ukraine, delivering custom software development, dedicated team staffing, and AI development services for clients in business intelligence, healthcare, oil & gas, and education. The company has been recognized by Clutch as a top developer in both Ukraine and Romania and holds a near-perfect 4.9 rating on the platform, with hourly rates of $50–$99/hr and a minimum project size of $25,000+. Its AI services page is comparatively general, offering less publicly documented technical specificity than boutique ML specialists in this list.

Andersen

Andersen was founded in 2007 by Alexandr Khomich, with Alexandr Orlov as co-founder/CTO and Alexandr Grigoryev as CEO, and is headquartered in Warsaw, Poland with additional presence in Krakow. The company employs more than 3,600 in-house developers, QA engineers, business analysts, designers, project managers, DevOps, and security specialists across 20 office locations and 16 development centers, with a technology stack spanning .NET, Java, Python, PHP, Go, mobile, and front-end frameworks alongside AI consulting, machine learning, and data engineering. Its AI/data practice sits within a much broader general software-engineering portfolio.

Services and capabilities: Existek vs Andersen

Capability Existek Andersen
Custom ML Models
Computer Vision
NLP
MLOps
Generative AI
AI Consulting

Tech stack comparison: Existek vs Andersen

Framework / platform Existek Andersen
TensorFlow N/A
PyTorch N/A N/A
AWS
Azure N/A
Google Cloud N/A N/A
LangChain N/A N/A
Hugging Face N/A N/A
Kubernetes N/A N/A

Pricing comparison: Existek vs Andersen

Criterion Existek Andersen
Minimum engagement $25,000+ Not published
Engagement models Project-based, Dedicated team Dedicated team, Time & materials, Staff augmentation
Rate transparency Minimum disclosed Not public
Price tier Mid-market Mid-market

Target audience comparison: Existek vs Andersen

Dimension Existek Andersen
Best company size Startup to mid-market Startup to mid-market
Best industries Healthcare, Oil & Gas, Education FinTech, Healthcare, Retail & E-commerce
Best use cases Mid-market company wants a Clutch-recognized offshore vendor with a $25K+ entry point for an AI-adjacent project., Oil & gas or business intelligence company needs custom software plus AI/ML from a single vendor. Enterprise wants AI consulting bundled with broad general software engineering (.NET, Java, mobile) from one vendor., Company needs a large, multi-language development team where AI/ML is one of several needed capabilities.
Typical project type Project-based Dedicated team

Existek vs Andersen: pros and cons

Existek
+ 4.9 near-perfect Clutch rating with top-developer recognition in both Ukraine and Romania.
+ $25,000+ minimum project size is more accessible than large enterprise-only vendors like EPAM.
+ 12+ years of operating history (since 2012) with dual-country delivery presence.
+ Serves niche industries (oil & gas, business intelligence) less commonly covered by boutique AI specialists.
- Publicly available technical detail on Existek's specific AI/ML methodology is thinner than boutique specialists like Neurons Lab or Provectus.
- AI development is one of several service lines (custom software, staff augmentation) rather than the firm's exclusive focus.
Andersen
+ 3,600+ in-house experts across 20 office locations and 16 development centers gives it substantial delivery flexibility.
+ 17 years of company history (since 2007) with a broad, multi-language technology stack beyond AI alone.
+ AI-powered robotic integration line suggests genuine applied AI work beyond pure software consulting.
- AI consulting and ML are a smaller practice within a much broader general software-engineering portfolio (.NET, Java, PHP, Go, mobile).
- Reported HQ city varies between Warsaw and Krakow across sources — confirm the primary contracting entity.
- At 3,600+ employees, clients should confirm they're assigned a genuinely AI-specialized pod, not general developers relabeled for the engagement.

Who should choose Existek?

Existek is the right choice for mid-market companies wanting a Clutch-recognized offshore development firm with AI as an add-on service..

4.9 Clutch rating with dual Ukraine/Romania Clutch top-developer recognition and a $25,000+ accessible entry point.. Minimum engagement starts at $25,000+. Works best with clients in Healthcare, Oil & Gas, Education, Business Intelligence.

Who should choose Andersen?

Andersen is the right choice for enterprises wanting AI consulting bundled with a very broad general software-engineering practice (.NET, Java, mobile, etc.)..

3,600+ in-house experts across 20 office locations, giving it exceptional breadth across programming languages and delivery models.. Minimum engagement starts at Not published. Works best with clients in FinTech, Healthcare, Retail & E-commerce, Manufacturing.

Decision matrix: Existek vs Andersen

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Both offer fixed-price models
You need a large dedicated team for an ongoing programme Existek
Your budget is at the lower end Compare: Existek ($25,000+) vs Andersen (Not published)
You need specialist depth in a specific vertical Existek
You need production MLOps support after model launch Both offer MLOps support
You need consulting before committing to a build Existek

Use case fit: Existek vs Andersen

Use case Existek fit Andersen fit Winner
Mid-market company wants a Clutch-recognized offshore vendor with a $25K+ entry point for an AI-adjacent project. Strong Limited Existek
Oil & gas or business intelligence company needs custom software plus AI/ML from a single vendor. Strong Limited Existek
Enterprise wants AI consulting bundled with broad general software engineering (.NET, Java, mobile) from one vendor. Limited Strong Andersen
Company needs a large, multi-language development team where AI/ML is one of several needed capabilities. Strong Strong Both equally
Fixed-scope ML build Limited Limited Both equally
Ongoing model retraining Limited Limited Both equally

Verdict: Existek vs Andersen

Existek (3.9/5) is the stronger overall choice for most Machine Learning Development projects. 4.9 Clutch rating with dual Ukraine/Romania Clutch top-developer recognition and a $25,000+ accessible entry point.. It is best for mid-market companies wanting a Clutch-recognized offshore development firm with AI as an add-on service..

Andersen (3.7/5) is the better choice when enterprises wanting AI consulting bundled with a very broad general software-engineering practice (.NET, Java, mobile, etc.).. If your situation matches those criteria, Andersen is a competitive option.

Related comparisons

Existek vs Andersen FAQ

Is Existek better than Andersen?

Existek (3.9/5) scores higher overall, but "better" depends on your use case. Existek is better for mid-market companies wanting a Clutch-recognized offshore development firm with AI as an add-on service.. Andersen is better for enterprises wanting AI consulting bundled with a very broad general software-engineering practice (.NET, Java, mobile, etc.)..

How do Existek and Andersen differ in pricing?

Existek uses project-based, dedicated team pricing with a minimum engagement of $25,000+. Andersen uses time & materials, dedicated team pricing with a minimum engagement of Not published. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Existek or Andersen?

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

What are the main differences between Existek and Andersen?

Existek's primary differentiator is: 4.9 clutch rating with dual ukraine/romania clutch top-developer recognition and a $25,000+ accessible entry point.. Andersen's primary differentiator is: 3,600+ in-house experts across 20 office locations, giving it exceptional breadth across programming languages and delivery models.. They also differ in team size (50–249 vs 3,600+), minimum engagement ($25,000+ vs Not published), and primary industries served (Healthcare, Oil & Gas vs FinTech, Healthcare).

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