Top AI Agent Consultancies

Rearc vs LeewayHertz: full comparison for 2026

Quick verdict

Rearc (4.0/5) edges ahead of LeewayHertz (3.6/5) overall. Rearc is the better choice for enterprises wanting an engineering-first advisory partner over a slide-deck-heavy strategy firm. LeewayHertz is the stronger option for buyers who want the stability of a Hackett Group-backed AI advisory vendor over an independent boutique. The right choice depends on your project size, budget, and required tech stack.

Rearc vs LeewayHertz: head-to-head summary

Criterion Rearc LeewayHertz
Founded 2016 2007
HQ New York, NY, USA San Francisco, USA
Team size 51-100 101-200
Rating 4.0 / 5 3.6 / 5
Best for Enterprises wanting an engineering-first advisory partner over a slide-deck-heavy strategy firm Buyers who want the stability of a Hackett Group-backed AI advisory vendor over an independent boutique
Pricing model Dedicated team, T&M Fixed project, retainer
Min. engagement $30K $30K
Primary tech stack AWS, OpenAI, LangChain AutoGen, LangChain, OpenAI
Industries served Fintech, SaaS, Healthcare Fintech, Healthcare, Retail

Rearc vs LeewayHertz: overview

Rearc

Rearc was founded in 2016 and is headquartered in New York, with roughly 51-100 employees (74 reported directly) across North America, Asia, and Europe. The firm is an engineering-driven services company specializing in accelerating generative AI, data platform, and cloud platform development for enterprises.

LeewayHertz

LeewayHertz was founded in 2007 and is headquartered in San Francisco, with roughly 182-199 employees. The company advises on and builds AI applications, intelligent agents, and multi-agent systems using frameworks including CrewAI and AutoGen Studio. LeewayHertz was acquired by The Hackett Group on September 16, 2024, which buyers should factor into long-term roadmap and pricing expectations.

Services and capabilities: Rearc vs LeewayHertz

Capability Rearc LeewayHertz
Enterprise automation
Agent orchestration
RAG & knowledge agents
Data & analytics agents
LLM integration
Workflow integration

Tech stack comparison: Rearc vs LeewayHertz

Framework / platform Rearc LeewayHertz
LangChain
LangGraph N/A N/A
AutoGen N/A
LlamaIndex N/A N/A
OpenAI
Anthropic Claude N/A N/A
Pinecone N/A N/A
AWS
Azure N/A N/A
Kubernetes N/A

Pricing comparison: Rearc vs LeewayHertz

Criterion Rearc LeewayHertz
Minimum engagement $30K $30K
Engagement models Dedicated team, T&M, Fixed project Fixed project, Retainer, Staff augmentation
Rate transparency Minimum disclosed Minimum disclosed
Price tier Accessible Accessible

Target audience comparison: Rearc vs LeewayHertz

Dimension Rearc LeewayHertz
Best company size Startup to mid-market Startup to mid-market
Best industries Fintech, SaaS, Healthcare Fintech, Healthcare, Retail
Best use cases GenAI platform advisory and build, Data platform foundation for agents Multi-agent system advisory and development, Enterprise AI application strategy
Typical project type Dedicated team Fixed project

Rearc vs LeewayHertz: pros and cons

Rearc
+ Engineering-first culture avoids the strategy-only-advisory pitfall of pure consulting firms
+ Focused practice areas (GenAI, data, cloud) rather than broad generalist consulting
+ US HQ simplifies contracting for North American enterprise buyers
- Smaller team (51-100) limits capacity for very large multi-region programs
- Younger firm (2016) has a shorter track record than legacy advisory houses
LeewayHertz
+ Multi-agent framework experience across CrewAI and AutoGen Studio
+ Hackett Group backing (since 2024) adds financial stability and cross-sell into enterprise benchmarking advisory
+ 17+ years of company history predating its agent-focused pivot
- 2024 acquisition by The Hackett Group changes ownership structure and may shift pricing/positioning over time
- High-volume content marketing makes it easy to over-rank relative to actual differentiated advisory evidence — verify engagement specifics directly rather than relying on brand visibility alone

Who should choose Rearc?

Rearc is the right choice for enterprises wanting an engineering-first advisory partner over a slide-deck-heavy strategy firm.

Engineering-driven identity — advisory work is delivered by the same team that builds, not handed off. Minimum engagement starts at $30K. Works best with clients in Fintech, SaaS, Healthcare.

Who should choose LeewayHertz?

LeewayHertz is the right choice for buyers who want the stability of a Hackett Group-backed AI advisory vendor over an independent boutique.

Now backed by The Hackett Group's consulting and benchmarking resources following its 2024 acquisition. Minimum engagement starts at $30K. Works best with clients in Fintech, Healthcare, Retail.

Decision matrix: Rearc vs LeewayHertz

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Rearc
You need a large dedicated team for an ongoing programme Rearc
Your budget is at the lower end Rearc
You need specialist depth in a specific vertical Rearc
You need staff augmentation or team extension Neither; consider alternatives that offer staff aug
You need consulting before committing to a build Both may offer discovery engagements

Use case fit: Rearc vs LeewayHertz

Use case Rearc fit LeewayHertz fit Winner
GenAI platform advisory and build Strong Limited Rearc
Data platform foundation for agents Strong Limited Rearc
Multi-agent system advisory and development Limited Strong LeewayHertz
Enterprise AI application strategy Limited Strong LeewayHertz
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: Rearc vs LeewayHertz

Rearc (4.0/5) is the stronger overall choice for most AI Agent projects. Engineering-driven identity — advisory work is delivered by the same team that builds, not handed off. It is best for enterprises wanting an engineering-first advisory partner over a slide-deck-heavy strategy firm.

LeewayHertz (3.6/5) is the better choice when buyers who want the stability of a Hackett Group-backed AI advisory vendor over an independent boutique. If your situation matches those criteria, LeewayHertz is a competitive option.

Related comparisons

Rearc vs LeewayHertz FAQ

Is Rearc better than LeewayHertz?

Rearc (4.0/5) scores higher overall, but "better" depends on your use case. Rearc is better for enterprises wanting an engineering-first advisory partner over a slide-deck-heavy strategy firm. LeewayHertz is better for buyers who want the stability of a Hackett Group-backed AI advisory vendor over an independent boutique.

How do Rearc and LeewayHertz differ in pricing?

Rearc uses dedicated team, t&m pricing with a minimum engagement of $30K. LeewayHertz uses fixed project, retainer pricing with a minimum engagement of $30K. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Rearc or LeewayHertz?

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 consultancy before shortlisting.

What are the main differences between Rearc and LeewayHertz?

Rearc's primary differentiator is: engineering-driven identity — advisory work is delivered by the same team that builds, not handed off. LeewayHertz's primary differentiator is: now backed by the hackett group's consulting and benchmarking resources following its 2024 acquisition. They also differ in team size (51-100 vs 101-200), minimum engagement ($30K vs $30K), and primary industries served (Fintech, SaaS vs Fintech, Healthcare).