XenonStack vs ELEKS: full comparison for 2026
Last updated: July 2026
Quick verdict
XenonStack (4.4/5) edges ahead of ELEKS (3.7/5) overall. XenonStack is the better choice for companies building agentic AI or real-time data platforms that want a specialist rather than a general IT outsourcer.. ELEKS is the stronger option for enterprises wanting AI/ML delivery from one of the oldest continuously operating engineering firms in Central/Eastern Europe.. The right choice depends on your project size, budget, and required tech stack.
XenonStack vs ELEKS: head-to-head summary
| Criterion | XenonStack | ELEKS |
|---|---|---|
| Founded | 2016 | 1991 |
| HQ | Mohali, India | Tallinn, Estonia |
| Team size | 50–100 | 2,100+ |
| Rating | 4.4 / 5 | 3.7 / 5 |
| Best for | Companies building agentic AI or real-time data platforms that want a specialist rather than a general IT outsourcer. | Enterprises wanting AI/ML delivery from one of the oldest continuously operating engineering firms in Central/Eastern Europe. |
| Pricing model | Project-based, retainer | Time & materials, managed engagement |
| Min. engagement | Not published | Not published |
| Primary tech stack | Kubernetes, Apache Kafka, AWS | Python, AWS, Azure |
| Industries served | FinTech, Manufacturing, Telecom, Retail & E-commerce | Manufacturing, Healthcare, FinTech, Retail & E-commerce |
XenonStack vs ELEKS: overview
XenonStack
XenonStack was founded in 2016 by Navdeep Singh Gill and is based in Mohali, India, operating as a technology consulting company centered on real-time data, generative AI, and agentic AI platform engineering. The company has grown from roughly 63 employees in 2023 to about 97 in 2026 and holds AWS, Azure, and Google Cloud partner status, alongside membership in the Cloud Native Computing Foundation and LF AI & Data. Its bootstrapped, revenue-funded growth (reported ~$3.8M ARR) suggests a stable but still relatively small operation for enterprise-scale programs.
ELEKS
ELEKS was established in 1991 and is headquartered in Tallinn, Estonia, with roughly 2,100+ employees operating from offices across the US, Canada, Germany, Ukraine, Poland, Switzerland, Japan, Croatia, the UAE, Saudi Arabia, and the UK. The firm leverages AI/ML, Big Data, IoT, cloud, cybersecurity, and UX expertise, reporting more than 1,000 successfully delivered data-driven projects over its 30+ year history, and has received a 2024 Spring Clutch Global Award plus recognition on the Global Outsourcing 100 list. As one of the oldest firms in this list, ELEKS' AI/ML practice is one of several mature service lines rather than a standalone specialty.
Services and capabilities: XenonStack vs ELEKS
| Capability | XenonStack | ELEKS |
|---|---|---|
| Custom ML Models | ✗ | ✓ |
| Computer Vision | ✗ | ✗ |
| NLP | ✗ | ✗ |
| MLOps | ✓ | ✗ |
| Generative AI | ✓ | ✗ |
| AI Consulting | ✗ | ✓ |
Tech stack comparison: XenonStack vs ELEKS
| Framework / platform | XenonStack | ELEKS |
|---|---|---|
| TensorFlow | N/A | ✓ |
| PyTorch | N/A | N/A |
| AWS | ✓ | ✓ |
| Azure | ✓ | ✓ |
| Google Cloud | ✓ | N/A |
| LangChain | ✓ | N/A |
| Hugging Face | N/A | N/A |
| Kubernetes | ✓ | N/A |
Pricing comparison: XenonStack vs ELEKS
| Criterion | XenonStack | ELEKS |
|---|---|---|
| Minimum engagement | Not published | Not published |
| Engagement models | Project-based, Retainer, Dedicated team | Managed engagement, Time & materials, Staff augmentation |
| Rate transparency | Not public | Not public |
| Price tier | Mid-market | Mid-market |
Target audience comparison: XenonStack vs ELEKS
| Dimension | XenonStack | ELEKS |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | FinTech, Manufacturing, Telecom | Manufacturing, Healthcare, FinTech |
| Best use cases | Enterprise needs a real-time data platform feeding downstream ML models., Company is building agentic AI workflows and needs specialist platform engineering, not just model development. | Enterprise wants AI/ML delivery from one of the longest continuously operating engineering firms in the region., Manufacturing or fintech company needs a data-driven project delivered by a firm with 1,000+ prior deliveries. |
| Typical project type | Project-based | Managed engagement |
XenonStack vs ELEKS: pros and cons
| XenonStack | |
|---|---|
| + | Multi-cloud partner status across AWS, Azure, and Google Cloud gives flexibility on platform choice rather than pushing a single vendor stack. |
| + | Bootstrapped and profitable growth trajectory (reported ~$3.8M ARR) signals operational stability without dependence on external funding rounds. |
| + | Cloud Native Computing Foundation and LF AI & Data membership reflects genuine open-source platform engineering involvement, not just marketing claims. |
| + | Specialization in agentic and real-time AI platform engineering is a differentiated niche versus generalist ML shops. |
| - | Team size of roughly 97 (2026) is small relative to the scale of enterprise real-time data platform programs it targets. |
| - | Conflicting HQ reports (Mohali, India vs. Dubai, UAE across sources) make it worth confirming the primary legal entity before contracting. |
| ELEKS | |
|---|---|
| + | 33+ years of continuous operation (since 1991) is among the longest track records of any firm in this list. |
| + | 1,000+ successfully delivered data-driven projects gives it an extensive AI/ML/data delivery pattern library. |
| + | 2024 Spring Clutch Global Award and Global Outsourcing 100 listing are independently sourced recognitions. |
| + | 2,100+ employees across 11 countries provide broad geographic delivery coverage. |
| - | AI/ML is one of several mature service lines (alongside Big Data, IoT, cybersecurity, UX) rather than the firm's primary identity. |
| - | Legal HQ in Tallinn, Estonia while origin and significant delivery capacity remains tied to Lviv, Ukraine — confirm contracting entity. |
Who should choose XenonStack?
XenonStack is the right choice for companies building agentic AI or real-time data platforms that want a specialist rather than a general IT outsourcer..
Multi-cloud certified (AWS, Azure, GCP) platform-engineering specialist for real-time and agentic AI.. Minimum engagement starts at Not published. Works best with clients in FinTech, Manufacturing, Telecom, Retail & E-commerce.
Who should choose ELEKS?
ELEKS is the right choice for enterprises wanting AI/ML delivery from one of the oldest continuously operating engineering firms in Central/Eastern Europe..
33+ years of operating history (since 1991) with 1,000+ delivered data-driven projects and Global Outsourcing 100 recognition.. Minimum engagement starts at Not published. Works best with clients in Manufacturing, Healthcare, FinTech, Retail & E-commerce.
Decision matrix: XenonStack vs ELEKS
| 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 | XenonStack |
| Your budget is at the lower end | Compare: XenonStack (Not published) vs ELEKS (Not published) |
| You need specialist depth in a specific vertical | XenonStack |
| You need production MLOps support after model launch | XenonStack |
| You need consulting before committing to a build | ELEKS |
Use case fit: XenonStack vs ELEKS
| Use case | XenonStack fit | ELEKS fit | Winner |
|---|---|---|---|
| Enterprise needs a real-time data platform feeding downstream ML models. | Strong | Strong | Both equally |
| Company is building agentic AI workflows and needs specialist platform engineering, not just model development. | Strong | Strong | Both equally |
| Enterprise wants AI/ML delivery from one of the longest continuously operating engineering firms in the region. | Strong | Strong | Both equally |
| Manufacturing or fintech company needs a data-driven project delivered by a firm with 1,000+ prior deliveries. | Limited | Strong | ELEKS |
| Fixed-scope ML build | Limited | Limited | Both equally |
| Ongoing model retraining | Limited | Limited | Both equally |
Verdict: XenonStack vs ELEKS
XenonStack (4.4/5) is the stronger overall choice for most Machine Learning Development projects. Multi-cloud certified (AWS, Azure, GCP) platform-engineering specialist for real-time and agentic AI.. It is best for companies building agentic AI or real-time data platforms that want a specialist rather than a general IT outsourcer..
ELEKS (3.7/5) is the better choice when enterprises wanting AI/ML delivery from one of the oldest continuously operating engineering firms in Central/Eastern Europe.. If your situation matches those criteria, ELEKS is a competitive option.
Related comparisons
XenonStack vs ELEKS FAQ
Is XenonStack better than ELEKS?
XenonStack (4.4/5) scores higher overall, but "better" depends on your use case. XenonStack is better for companies building agentic AI or real-time data platforms that want a specialist rather than a general IT outsourcer.. ELEKS is better for enterprises wanting AI/ML delivery from one of the oldest continuously operating engineering firms in Central/Eastern Europe..
How do XenonStack and ELEKS differ in pricing?
XenonStack uses project-based, retainer pricing with a minimum engagement of Not published. ELEKS uses time & materials, managed engagement 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: XenonStack or ELEKS?
XenonStack 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 XenonStack and ELEKS?
XenonStack's primary differentiator is: multi-cloud certified (aws, azure, gcp) platform-engineering specialist for real-time and agentic ai.. ELEKS's primary differentiator is: 33+ years of operating history (since 1991) with 1,000+ delivered data-driven projects and global outsourcing 100 recognition.. They also differ in team size (50–100 vs 2,100+), minimum engagement (Not published vs Not published), and primary industries served (FinTech, Manufacturing vs Manufacturing, Healthcare).
Last reviewed: July 2026. Verify all details directly with each company before making a decision.