August 27, 2026 • Category: Top Data Science & Big Data Firms
As of August 2026, this directory tracks 13 Data Science & Big Data companies, spanning 3 countries. Hexaview Technologies currently sits at the top of the list (5.0-star average from 4 verified reviews, $25 - $49, in business since 2010). Looking at the group as a whole, the midpoint hourly rate is $37, the median rating is 4.5, and 23% report a team of 50 or more. The specialties that come up most often among these companies: Mobile App Development, Web Development, Chat Bots & AI Development, and Enterprise App Modernization.
Rather than relying on self-reported claims, every listing here is checked against measurable signals - client-submitted reviews, published hourly rates, team size, and how long the company has been operating. Clients rate these data science & big data firms 4.6/5 on average. $25 - $49 is the hourly-rate band you'll see most often. Roughly 23% of the companies listed report a headcount of 50 or more. Before reaching out to any shortlisted firm, it's worth cross-checking its review history and portfolio directly - every listing is manually checked (founding year, services, team size) and reviews go through a moderation step before they go live.
Compare the highest-ranked firms first side by side.
| Rank | Company | Rating | Reviews | Hourly Rate | Team Size | Founded | Headquarters | Action |
|---|---|---|---|---|---|---|---|---|
| 1 | Hyperlink InfoSystem | 5.0 | 71 | $25 - $49 / hr | 1,000 - 9,999 | 2011 | Jersey City, NJ | Visit |
| 2 | Hexaview Technologies | 5.0 | 4 | $25 - $49 | 250 - 499 | 2010 | — | Visit |
| 3 | Brandcoil | 5.0 | 2 | $25 - $49 | 10 - 49 | 2022 | — | Visit |
| 4 | Tomaque Digital Services | 4.8 | 7 | < $25 / hr | 10 - 49 | 2011 | Noida, India | Visit |
| 5 | DOIT Software | 4.6 | 11 | $25 - $49 | 10 - 49 | 2014 | — | Visit |
| 6 | HData Systems | 4.5 | 7 | < $25 | 500 - 999 | 2019 | — | Visit |
| 7 | GTM Force | 4.5 | 6 | $100 - $149 / hr | 10 - 49 | 2017 | Chennai, India | Visit |
| 8 | eTeam Inc. | 4.3 | 12 | $25 - $49 | 10 - 49 | 2010 | — | Visit |
| 9 | INEOYS TECH SOLUTIONS | 4.2 | 7 | < $25 | 10 - 49 | 2020 | — | Visit |
| 10 | Bullzeye Media Marketing | 4.2 | 6 | $300+ / hr | 50 - 249 | 2016 | Livingston, NJ | Visit |
Mobile App Development
Custom Application Development
Hover over each bubble to view the company's detailed scores. Use the filters on the right to customize your comparison and identify the best companies based on your requirements.
Tandem Collaborative — 0.0★ (0 reviews)
True Business Design — 0.0★ (0 reviews)
Dawat IT & Consultancy — 0.0★ (0 reviews)
YAE Services — 4.2★ (6 reviews)
Bullzeye Media Marketing — 4.2★ (6 reviews)
INEOYS TECH SOLUTIONS — 4.2★ (7 reviews)
eTeam Inc. — 4.3★ (12 reviews)
GTM Force — 4.5★ (6 reviews)
HData Systems — 4.5★ (7 reviews)
DOIT Software — 4.6★ (11 reviews)
Tomaque Digital Services — 4.8★ (7 reviews)
Brandcoil — 5.0★ (2 reviews)
Hexaview Technologies — 5.0★ (4 reviews)Quadrant lines split the group at its own median rating and review count — not a fixed platform-wide bar.
Every firm in this category is bucketed by whether its real rating and real review count sit above or below Data Science & Big Data's own median — the same axes as the chart above. Each card's "Top 5" is ranked by rating, then review count; nothing here is an invented composite score.
Above-median rating and above-median review volume - the most-proven firms in this group.
Above-median rating but still building up review volume - strong quality, smaller track record so far.
Above-median review volume but below-median rating - well-known, with a more mixed client record.
Below-median on both - newer or smaller-footprint firms in this group.
The 3 highest rated-and-reviewed firms in this category. Bars show each firm's rating out of 5 and review count relative to this group's own top firm — open, real numbers, not a hidden score.
Every position above comes from two numbers we can point to directly: a firm's average rating across its approved client reviews, and how many of those approved reviews it has. There is no hidden weighting, no proprietary formula, and no score you can't verify yourself from the Ranked List tab.
Sponsorship doesn't move the dot. Sponsored firms get badges and placement elsewhere on the site, but their position on this chart is calculated exactly like everyone else's.
Ranked by a composite blending firm count (supply), average rating (quality), and average hourly rate (cost). Affordability is weighted highest (50%), so this surfaces genuinely affordable destinations — not just the biggest markets.
Home to 2 vetted firms, with an average rate of $37/hr and a 5.0★ client rating.
Home to 3 vetted firms, with an average rate of $31/hr and a 4.5★ client rating.
Home to 1 vetted firm, with an average rate of $37/hr and a 4.3★ client rating.
Value Score = 50% affordability + 35% rating + 15% firm count, computed only from firms with a real hourly-rate range and at least one approved review in this category — countries without enough of both are left out rather than scored on partial data.
Bubble size shows how many firms each country has; colour shows its average hourly rate. Tap any country for its firm count, average rate, rating, and Value Score.
Positions are approximate country centroids on an equirectangular map, not exact firm addresses. Scale is relative to this category's own min/max firm count per country, not a fixed site-wide scale.
Where you hire affects what you pay by up to 1.2×. Comparable quality is available across regions — the rate gap between the priciest and cheapest is the single biggest lever on a project budget.
The rate gap between the highest- and lowest-average regions here is largely a cost-of-living and labor-market gap — not necessarily a quality gap. Firms in lower-cost regions can deliver work competitive with premium markets at a fraction of the cost.
That said, time-zone overlap, language alignment, and other practical factors vary by region — worth weighing alongside rate when comparing South Asia against North America.
Every country with enough real data to score in this category (at least one firm with a hourly-rate range and at least one approved review), ranked by Value Score.
| Country | Firms | Avg Rate | Avg Rating | Value Score | Action |
|---|---|---|---|---|---|
| IN India | 2 | $37/hr | 5.0 |
79
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View firms |
| US Usa | 3 | $31/hr | 4.5 |
72
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View firms |
| UA Ukraine | 1 | $37/hr | 4.3 |
65
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View firms |
Cost matters — but so does being able to actually talk to your developer during your workday. Here are estimated overlaps for each major hub.
Estimated overlap between a standard 9am-5pm workday in each location and a standard 9am-5pm workday somewhere in the hub, ignoring daylight saving time - a planning estimate, not a live timezone calculation. Candidates are real countries with firms in this category, ranked by estimated overlap.
Ranked by a composite score blending firm count (supply), average rating (quality), and hourly rate (cost) within each real price tier — the country with the most real firms in a tier leads that tier's card.
1 firm in this tier — more than any other country, averaging 4.5★. Top picks: HData Systems.
2 firms in this tier — more than any other country, averaging 5.0★. Top picks: Hexaview Technologies, Brandcoil.
Each tier's leader is the real country with the most firms priced in that range, among countries not already leading a different (typically higher-volume) tier — this keeps the 5 cards from all naming the same single dominant country. Not every tier will have enough data to show a leader; tiers with none are omitted.
Rows = country · Columns = hourly rate tier · Cell colour = firm density · Cell content = top companies. Tap any cell to see those firms.
| RATE → COUNTRY ↓ |
$0-24 BUDGET | $25-49 OFFSHORE |
|---|---|---|
|
US
🇺🇸
Usa
|
Best Value
1
HData Systems
|
2
DOIT Software
eTeam Inc.
|
|
IN
🇮🇳
India
|
— |
Best Value
2
Hexaview Technologies
Brandcoil
|
|
UA
🇺🇦
Ukraine
|
— |
Best Value
1
eTeam Inc.
|
Every cell is a real firm count for that country x price-tier pairing; a cell's shade scales with its share of that column's own busiest row, and each row's "Best Value" cell is whichever tier has the highest average per-firm Value Score for that country, not just the most firms.
Ranked across all heatmap cells — each blends a low hourly rate, a strong rating, and sufficient review volume.
Every cell in the grid above is the count of firms in (country × hourly-rate tier). Firms are placed by their published hourly rate; those without a disclosed rate are not plotted.
Top company names per cell are surfaced by Value Score — a weighted blend of affordability (50%) + rating (35%) + review volume (15%).
The "Best Value" tag marks the cell in each row where firm density, ratings, and affordability line up best — the highest average per-firm Value Score in that country.
ValueScore = 0.50 × Affordability
+ 0.35 × Rating
+ 0.15 × Review Volume
// All sub-scores normalized 0-100
// Affordability = (1 - rate/$200) × 100
// Rating = (rating - 3) / 2 × 100
// Volume = log10(reviews+1)/log10(200) × 100
Browse all data Science & Big Data firms in your chosen country — or let us match you with a firm based on your project, budget, and time-zone preference.
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