Best AI Agent Development Agencies

Markovate vs B12 Consulting: full comparison for 2026

Last updated: August 2026

Quick verdict

Markovate (4.0/5) edges ahead of B12 Consulting (3.7/5) overall. Markovate is the better choice for buyers wanting an agency with pre-agentic LLM development pedigree rather than a recent AI-agent-only entrant.. B12 Consulting is the stronger option for buyers wanting a small, deeply technical Belgian agency founded by physics researchers.. The right choice depends on your project size, budget, and required tech stack.

Markovate vs B12 Consulting: head-to-head summary

Criterion Markovate B12 Consulting
Founded 2015 2012
HQ San Francisco, CA, USA Louvain-la-Neuve, Belgium
Team size 51–200 11–50
Rating 4.0 / 5 3.7 / 5
Best for Buyers wanting an agency with pre-agentic LLM development pedigree rather than a recent AI-agent-only entrant. Buyers wanting a small, deeply technical Belgian agency founded by physics researchers.
Pricing model Fixed project, dedicated team Fixed project, staff augmentation
Min. engagement $25K (per company website; independently unverifiable) Not published
Primary tech stack Python, LangChain, OpenAI Python, LangChain, AWS
Industries served Technology & SaaS, Retail & E-commerce, Healthcare, Financial Services Manufacturing, Technology & SaaS

Markovate vs B12 Consulting: overview

Markovate

Markovate is a generative-AI and LLM specialist agency founded in 2015 and headquartered in San Francisco, with additional offices in Toronto and Gurugram and a team of 51–200 people. Its core specialization in LLM development and prompt engineering predates the current agentic wave, giving its agent work a longer internal track record than agencies that only recently added agentic AI to their service list.

B12 Consulting

B12 Consulting was founded in 2012 by a group of PhDs in Physics sharing a passion for complex problem solving, headquartered in Louvain-la-Neuve, Belgium with an additional Brussels presence, and roughly 35 FTE. It is an agency expert in artificial intelligence, data science, and custom software development, with a technical, research-adjacent culture reflecting its founders' academic backgrounds.

Services and capabilities: Markovate vs B12 Consulting

Capability Markovate B12 Consulting
Multi-agent orchestration
RAG / knowledge integration
Workflow & systems integration
Coding agents
Monitoring & anomaly detection
Customer-facing agents

Tech stack comparison: Markovate vs B12 Consulting

Framework / platform Markovate B12 Consulting
LangChain
LangGraph N/A N/A
AutoGen N/A N/A
LlamaIndex N/A N/A
OpenAI N/A
Anthropic Claude N/A
Pinecone N/A N/A
AWS
Azure N/A N/A
Kubernetes N/A N/A

Pricing comparison: Markovate vs B12 Consulting

Criterion Markovate B12 Consulting
Minimum engagement $25K (per company website; independently unverifiable) Not published
Engagement models Fixed project, Dedicated team Fixed project, Staff augmentation
Rate transparency Minimum disclosed Minimum disclosed
Price tier Accessible Mid-market

Target audience comparison: Markovate vs B12 Consulting

Dimension Markovate B12 Consulting
Best company size Startup to mid-market Startup to mid-market
Best industries Technology & SaaS, Retail & E-commerce, Healthcare Manufacturing, Technology & SaaS
Best use cases Adding autonomous agent capability to an existing LLM-powered product, Building coding agents that plug into an existing dev pipeline Buyers wanting a small, technically rigorous Belgian agency for a well-scoped project, Complex data-science-adjacent agentic AI problems suited to a research-oriented team
Typical project type Fixed project Fixed project

Markovate vs B12 Consulting: pros and cons

Markovate
+ Deep prior specialization in LLM development and prompt engineering predates its agent work
+ Multi-hub delivery (San Francisco, Toronto, Gurugram) balances US client proximity with offshore cost
+ Product-development background means agent work is usually shipped inside a real product
+ Mid-size team keeps senior engineers hands-on rather than delegated to junior staff
- No large-enterprise compliance certifications comparable to the largest firms on this list
- Public case studies skew toward smaller product companies rather than regulated enterprises
- 51–200 headcount caps capacity for simultaneous large multi-team engagements
B12 Consulting
+ Founded by PhDs in Physics, giving it an unusually research-adjacent technical culture
+ Over a decade of continuous operating history since 2012
+ Brussels presence alongside Louvain-la-Neuve headquarters gives access to EU institutional buyers
+ Compact ~35 FTE team keeps senior staff hands-on across every engagement
- Very small team (~35 FTE) caps capacity for large or highly parallel programs
- Minimum engagement figures are not published, requiring direct sales contact for early budgeting
- Fewer named large-enterprise case studies than other agencies on this list

Who should choose Markovate?

Markovate is the right choice for buyers wanting an agency with pre-agentic LLM development pedigree rather than a recent AI-agent-only entrant..

LLM development and prompt engineering specialization that predates its agentic AI offering, giving agent work a longer internal track record.. Minimum engagement starts at $25K (per company website; independently unverifiable). Works best with clients in Technology & SaaS, Retail & E-commerce, Healthcare, Financial Services.

Who should choose B12 Consulting?

B12 Consulting is the right choice for buyers wanting a small, deeply technical Belgian agency founded by physics researchers..

Founded by PhDs in Physics, giving it a research-adjacent, deeply technical culture uncommon among agencies of its size.. Minimum engagement starts at Not published. Works best with clients in Manufacturing, Technology & SaaS.

Decision matrix: Markovate vs B12 Consulting

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Markovate
You need a large dedicated team for an ongoing programme Markovate
Your budget is at the lower end Compare: Markovate ($25K (per company website; independently unverifiable)) vs B12 Consulting (Not published)
You need specialist depth in a specific vertical Markovate
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: Markovate vs B12 Consulting

Use case Markovate fit B12 Consulting fit Winner
Adding autonomous agent capability to an existing LLM-powered product Strong Limited Markovate
Building coding agents that plug into an existing dev pipeline Strong Limited Markovate
Buyers wanting a small, technically rigorous Belgian agency for a well-scoped project Strong Strong Both equally
Complex data-science-adjacent agentic AI problems suited to a research-oriented team Limited Strong B12 Consulting
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: Markovate vs B12 Consulting

Markovate (4.0/5) is the stronger overall choice for most AI Agent Development projects. LLM development and prompt engineering specialization that predates its agentic AI offering, giving agent work a longer internal track record.. It is best for buyers wanting an agency with pre-agentic LLM development pedigree rather than a recent AI-agent-only entrant..

B12 Consulting (3.7/5) is the better choice when buyers wanting a small, deeply technical Belgian agency founded by physics researchers.. If your situation matches those criteria, B12 Consulting is a competitive option.

Related comparisons

Markovate vs B12 Consulting FAQ

Is Markovate better than B12 Consulting?

Markovate (4.0/5) scores higher overall, but "better" depends on your use case. Markovate is better for buyers wanting an agency with pre-agentic LLM development pedigree rather than a recent AI-agent-only entrant.. B12 Consulting is better for buyers wanting a small, deeply technical Belgian agency founded by physics researchers..

How do Markovate and B12 Consulting differ in pricing?

Markovate uses fixed project, dedicated team pricing with a minimum engagement of $25K (per company website; independently unverifiable). B12 Consulting uses fixed project, staff augmentation 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: Markovate or B12 Consulting?

Markovate 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 Markovate and B12 Consulting?

Markovate's primary differentiator is: llm development and prompt engineering specialization that predates its agentic ai offering, giving agent work a longer internal track record.. B12 Consulting's primary differentiator is: founded by phds in physics, giving it a research-adjacent, deeply technical culture uncommon among agencies of its size.. They also differ in team size (51–200 vs 11–50), minimum engagement ($25K (per company website; independently unverifiable) vs Not published), and primary industries served (Technology & SaaS, Retail & E-commerce vs Manufacturing, Technology & SaaS).

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