Best Generative AI Development Services

LeewayHertz vs Andersen: full comparison for 2026

Quick verdict

LeewayHertz (4.1/5) edges ahead of Andersen (4.1/5) overall. LeewayHertz is the better choice for buyers wanting broad generative AI service coverage in one agency. Andersen is the stronger option for enterprises wanting generative AI paired with broad platform engineering. The right choice depends on your project size, budget, and required tech stack.

LeewayHertz vs Andersen: head-to-head summary

Criterion LeewayHertz Andersen
Founded 2007 2007
HQ San Francisco, United States Warsaw, Poland
Team size 150-300 3,500+
Rating 4.1 / 5 4.1 / 5
Primary differentiator Backed by The Hackett Group's consulting network following its 2024 acquisition 3,500-plus specialists across 20 global offices with a named AI and data practice
Pricing model Fixed project or dedicated team Dedicated team or retainer
Min. engagement Not disclosed Not disclosed
Primary tech stack Python, OpenAI API, PyTorch Python, OpenAI API, .NET
Industries served Financial services, Healthcare, Retail & e-commerce, Manufacturing Financial services, Healthcare, Logistics, Automotive

LeewayHertz vs Andersen: overview

LeewayHertz

LeewayHertz has operated from San Francisco since 2007, though ownership changed in September 2024 when The Hackett Group acquired the company. That's relevant to anyone evaluating long-term direction, since the agency now answers to a larger consulting parent. Employee counts have also shifted, from roughly 300 in earlier reporting to about 182 by mid-2026, worth confirming directly given the volume of generative AI content marketing the agency publishes relative to its actual team size.

Andersen

Andersen was founded in 2007 and lists its headquarters in Warsaw, Poland, with more than 3,500 specialists across 20 office locations and 16 development centers globally. Its named AI and data practice covers generative AI consulting, machine learning, data engineering, and robotic process integration, alongside a broader stack spanning .NET, Java, Python, PHP, and Go. Industries served include financial services, healthcare, logistics, automotive, and media.

Services and capabilities: LeewayHertz vs Andersen

Capability LeewayHertz Andersen
Generative AI
Machine learning
AI agents
MLOps
AI consulting
Fixed-price projects
Dedicated team model

Tech stack comparison: LeewayHertz vs Andersen

Framework / platform LeewayHertz Andersen
Python
OpenAI API
PyTorch N/A
LangChain N/A
AWS
Azure N/A
Kubernetes N/A N/A

Pricing comparison: LeewayHertz vs Andersen

Criterion LeewayHertz Andersen
Minimum engagement Not disclosed Not disclosed
Engagement models Fixed project, Dedicated team Dedicated team, Retainer
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: LeewayHertz vs Andersen

Dimension LeewayHertz Andersen
Best company size Startup to mid-market Startup to mid-market
Best industries Financial services, Healthcare, Retail & e-commerce Financial services, Healthcare, Logistics
Best use cases Consolidating several generative AI workstreams under one vendor relationship., Working with an agency backed by a larger consulting parent for enterprise credibility. Running a generative AI initiative that needs to plug into an existing multi-technology enterprise stack., Adding robotic process integration alongside a generative AI project.
Typical project type Fixed project Dedicated team

LeewayHertz vs Andersen: pros and cons

LeewayHertz
+ Broad coverage across generative AI, machine learning, and AI agents under one agency.
+ The Hackett Group acquisition adds access to a larger consulting and benchmarking network.
+ Close to two decades of operating history predating the current AI boom.
+ High volume of published technical content makes its approach easy to evaluate before hiring.
- Now owned by The Hackett Group as of 2024, which may shift long-term positioning
- Reported headcount has roughly halved across recent public data, worth confirming directly
Andersen
+ Large global footprint (20 offices, 16 development centers) supports concurrent enterprise programs.
+ Named AI and data practice, not a generic add-on to broader software services.
+ Nearly two decades of software delivery history across multiple technology stacks.
+ Vertical coverage spans financial services, healthcare, logistics, and automotive.
- Generative AI is one practice area within a much larger, multi-stack engineering business
- Scale typically means a more formal sales and onboarding process than boutique firms

Who should choose LeewayHertz?

A typical fit: consolidating several generative AI workstreams under one vendor relationship.

Backed by The Hackett Group's consulting network following its 2024 acquisition. Minimum engagement is not publicly disclosed. Works best with clients in Financial services, Healthcare, Retail & e-commerce, Manufacturing.

Who should choose Andersen?

A typical fit: running a generative AI initiative that needs to plug into an existing multi-technology enterprise stack.

3,500-plus specialists across 20 global offices with a named AI and data practice. Minimum engagement is not publicly disclosed. Works best with clients in Financial services, Healthcare, Logistics, Automotive.

Decision matrix: LeewayHertz vs Andersen

Your situation Recommended choice
You need full-ownership delivery on a defined project scope LeewayHertz
You need a large dedicated team for an ongoing programme LeewayHertz
Your budget is at the lower end Compare: LeewayHertz (Not disclosed) vs Andersen (Not disclosed)
You need specialist depth in a specific vertical LeewayHertz
You need staff augmentation or team extension Neither; consider alternatives that offer staff aug
You need consulting before committing to a build Andersen

Use case fit: LeewayHertz vs Andersen

Use case LeewayHertz fit Andersen fit Winner
Consolidating several generative AI workstreams under one vendor relationship. Strong Limited LeewayHertz
Working with an agency backed by a larger consulting parent for enterprise credibility. Strong Limited LeewayHertz
Running a generative AI initiative that needs to plug into an existing multi-technology enterprise stack. Limited Strong Andersen
Adding robotic process integration alongside a generative AI project. Limited Strong Andersen
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: LeewayHertz vs Andersen

LeewayHertz (4.1/5) is the stronger overall choice for most Generative AI Development projects. Backed by The Hackett Group's consulting network following its 2024 acquisition.

Andersen (4.1/5) is worth a look if you need adding robotic process integration alongside a generative AI project. If your situation matches that, Andersen is a competitive option.

Related comparisons

LeewayHertz vs Andersen FAQ

Is LeewayHertz better than Andersen?

LeewayHertz (4.1/5) scores higher overall, but "better" depends on your use case. LeewayHertz's strongest advantage: broad coverage across generative AI, machine learning, and AI agents under one agency. Andersen's strongest advantage: large global footprint (20 offices, 16 development centers) supports concurrent enterprise programs.

How do LeewayHertz and Andersen differ in pricing?

LeewayHertz uses fixed project or dedicated team pricing. Andersen uses dedicated team or retainer pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: LeewayHertz or Andersen?

LeewayHertz 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 LeewayHertz and Andersen?

LeewayHertz's primary differentiator is: backed by The Hackett Group's consulting network following its 2024 acquisition. Andersen's primary differentiator is: 3,500-plus specialists across 20 global offices with a named AI and data practice. They also differ in team size (150-300 vs 3,500+), minimum engagement (Not disclosed vs Not disclosed), and primary industries served (Financial services, Healthcare vs Financial services, Healthcare).

Verify all details directly with each company before making a decision.