Best AI Staffing Agencies

Xenoss vs Revelo: full comparison for 2026

Quick verdict

Xenoss (4.3/5) edges ahead of Revelo (3.9/5) overall. Xenoss is the better choice for ad-tech and high-volume data teams. Revelo is the stronger option for companies hiring LatAm developers without a local entity. The right choice depends on your project size, budget, and required tech stack.

Xenoss vs Revelo: head-to-head summary

Criterion Xenoss Revelo
Founded 2013 2014
HQ New York, USA Miami, Florida, USA
Team size 50–249 251–500
Rating 4.3 / 5 3.9 / 5
Primary differentiator Data engineers with ad-tech throughput experience Payroll and compliance handled for LatAm hires
Pricing model Time and materials; staff augmentation; rates on request Monthly per developer including payroll and compliance; rates on request
Min. engagement Not disclosed Not disclosed
Primary tech stack Python, Apache Spark, Kafka Python, OpenAI, AWS
Industries served Ad tech, Media, Fintech, Retail and e-commerce SaaS, Fintech, E-commerce, AI labs

Xenoss vs Revelo: overview

Xenoss

Xenoss was founded in 2013 by ad-tech veterans led by CEO Dmitry Sverdlik and is based in New York, with offices in London and Kyiv. It describes itself as a specialized AI and data-engineering company, and Clutch places it in the 50–249 employee band. Client reviews describe staff augmentation in practice: one London ad-tech client hired Xenoss after failing to find engineers locally, and Xenoss sourced candidates from Ukraine and integrated them into the in-house team. Its background in high-throughput ad-tech systems shows in its data-engineering work.

Revelo

Revelo traces its start to late 2014 and is headquartered in Miami, with 251–500 employees according to one directory. It runs a platform of more than 400,000 Latin American developers and handles sourcing, compliance, local payroll and benefits, so clients can hire individuals or whole teams without opening a local entity. It has also moved into LLM post-training work, supplying developers for supervised fine-tuning and RLHF projects. It has raised more than $48 million from investors including Social Capital and Valor Capital Group.

Services and capabilities: Xenoss vs Revelo

Capability Xenoss Revelo
LLM / GenAI engineers ✗ ✓
MLOps & deployment ✓ ✗
Computer vision ✗ ✗
Data engineering ✓ ✗
AI agent development ✗ ✗
Fractional / part-time experts ✗ ✗
Risk-free trial period ✗ ✗
Nearshore time-zone overlap ✗ ✓

Tech stack comparison: Xenoss vs Revelo

Framework / platform Xenoss Revelo
PyTorch N/A N/A
TensorFlow N/A N/A
LangChain N/A N/A
Hugging Face N/A N/A
OpenAI N/A ✓
AWS SageMaker N/A N/A
Azure ML N/A N/A
Databricks ✓ N/A
MLflow N/A N/A
Kubernetes ✓ N/A

Pricing comparison: Xenoss vs Revelo

Criterion Xenoss Revelo
Minimum engagement Not disclosed Not disclosed
Engagement models Full-time dedicated engineers, Dedicated team, Managed delivery Full-time dedicated engineers, Dedicated team
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: Xenoss vs Revelo

Dimension Xenoss Revelo
Best company size Startup to mid-market Startup to mid-market
Best industries Ad tech, Media, Fintech SaaS, Fintech, E-commerce
Best use cases Adding streaming-data engineers ahead of an ML launch, Placing ML engineers in a bidding or attribution product Hiring a full-time LatAm developer with payroll handled, Staffing LLM post-training projects
Typical project type Full-time dedicated engineers Full-time dedicated engineers

Xenoss vs Revelo: pros and cons

Xenoss
+ Strong on real-time data infrastructure that ML features depend on
+ Has placed engineers into UK teams that struggled to hire locally
+ Senior leadership comes from the industry it serves most
+ Covers both data engineering and model work
- Ad-tech focus is narrower than general AI staffing
- Mid-sized bench
- Rates are not public
Revelo
+ Removes the legal and payroll work of hiring in Latin America
+ Large candidate pool
+ Experience supplying engineers for LLM training work
- Platform model means vetting is lighter than at engineering agencies
- AI focus leans toward LLM training data over product engineering
- Pricing requires a call

Who should choose Xenoss?

A typical fit: adding streaming-data engineers ahead of an ML launch.

Data engineers with ad-tech throughput experience. Minimum engagement is not publicly disclosed. Works best with clients in Ad tech, Media, Fintech, Retail and e-commerce.

Who should choose Revelo?

A typical fit: hiring a full-time LatAm developer with payroll handled.

Payroll and compliance handled for LatAm hires. Minimum engagement is not publicly disclosed. Works best with clients in SaaS, Fintech, E-commerce, AI labs.

Decision matrix: Xenoss vs Revelo

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 Xenoss
Your budget is at the lower end Compare: Xenoss (Not disclosed) vs Revelo (Not disclosed)
You need specialist depth in a specific vertical Xenoss
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: Xenoss vs Revelo

Use case Xenoss fit Revelo fit Winner
Adding streaming-data engineers ahead of an ML launch Strong Limited Xenoss
Placing ML engineers in a bidding or attribution product Strong Limited Xenoss
Hiring a full-time LatAm developer with payroll handled Strong Strong Both equally
Staffing LLM post-training projects Limited Strong Revelo

Verdict: Xenoss vs Revelo

Xenoss (4.3/5) is the stronger overall choice for most AI Staffing projects. Data engineers with ad-tech throughput experience.

Revelo (3.9/5) is worth a look if you need staffing LLM post-training projects. If your situation matches that, Revelo is a competitive option.

Related comparisons

Xenoss vs Revelo FAQ

Is Xenoss better than Revelo?

Xenoss (4.3/5) scores higher overall, but "better" depends on your use case. Xenoss's strongest advantage: strong on real-time data infrastructure that ML features depend on. Revelo's strongest advantage: removes the legal and payroll work of hiring in Latin America.

How do Xenoss and Revelo differ in pricing?

Xenoss uses time and materials; staff augmentation; rates on request pricing. Revelo uses monthly per developer including payroll and compliance; rates on request pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Xenoss or Revelo?

Revelo 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 Xenoss and Revelo?

Xenoss's primary differentiator is: data engineers with ad-tech throughput experience. Revelo's primary differentiator is: payroll and compliance handled for LatAm hires. They also differ in team size (50–249 vs 251–500), minimum engagement (Not disclosed vs Not disclosed), and primary industries served (Ad tech, Media vs SaaS, Fintech).

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