Comparison updated
Side by side
Published data on both agencies. Where one side measurably differs, the dot marks it: the higher score, the lower published rate, the larger team, the more recent review. Which of those is an advantage depends on your brief.
| Attribute | BySix | DareData |
|---|---|---|
| Editorial score | 48.8/100 | Higher score: 64/100 |
| Hourly rate | Contact for rates | €45-85/hr |
| Team size | 50-249 | 50-249 |
| Location | Lisbon, Portugal | Lisbon, Portugal |
| Founded | — | 2019 |
| Last reviewed | Sep 3, 2026 | Sep 3, 2026 |
What we said about each
Our take on BySix
Five named generative-AI builds are published, and the one that reads as fully live is Gizzmo's store publisher: it watches a Slack channel, pulls supplier files from Google Drive, checks SKUs against the ERP and pushes finished Shopify listings, with a 96% cut in listing turnaround and an 18% keyword-ranking lift reported. The two Trimble agents (a product-owner agent drafting 70% of new user stories from a RAG index over Jira, Notion, Confluence and Slack, and a support agent that auto-labels…
Reviewed Sep 3, 2026
Read the full assessment →Our take on DareData
The NOS work is the anchor: a GenOS-orchestrated invoice pipeline that now handles around 65% of roughly 20,000 supplier invoices a month end to end, matching them to SAP purchase orders and routing the ambiguous rest to a 20-person review team, plus UVA, a retrieval assistant over 15,000-plus documentation pages that operators rate at 87% answer accuracy on the 20% of calls where it is used. Outside the telco, the Heineken routing engine (an OSRM duration matrix plus constraint optimization)…
Reviewed Sep 3, 2026
Read the full assessment →Best for
Where each agency measurably leads on the published data — team capacity, declared specializations, editorial scoring, and rates where both publish them. Use these to match an agency to your project priorities.
Choose BySix if you need
- disclosed specialization in SaaS & B2B / E-commerce
- broader service offering — also covers AI Agents
Choose DareData if you need
- disclosed specialization in Manufacturing / FinTech
- broader service offering — also covers AI Development
- a higher overall editorial score
Strengths and watch-outs
Both upsides and risks, straight from our editorial assessments.
BySix
Strengths
- Published fixed weekly pricing: Launch Agent at €3,000/week (live in six weeks or less), Scale Suite at €6,000/week, Enterprise Program at €10,000/week, with add-ons priced per integration
- Every published AI study names the client and the systems wired in—Jira, Confluence, Slack, Google Chat, Shopify, an ATS, an ERP
- Three offices with street addresses (Algés, Porto, São Paulo) and a 70-plus headcount put delivery capacity above boutique scale
Watch-outs
- Two of the five AI studies state the rollout is still in progress—ask which systems are in production today and who measured the 52% and 70% figures
- No engineer, ML lead or architect is named anywhere on the site—ask who would staff your build and what they have shipped
- The insights section is a high-volume stream of SEO-style posts (six between 18 August and 3 September 2026)—treat it as marketing, not engineering writing
DareData
Strengths
- Directory rates of €45–85/h against named enterprise production systems, well under the €100–200/h EU band
- Engineering writing with substance: a nugget-based RAG evaluation piece drawn from production work (August 2026) and a LiteLLM supply-chain advisory, next to 18 published success stories
- Third-party signals: Clutch 100 fastest-growing 2023, Deloitte Fast 50 Portugal 2025, Google Cloud, Microsoft and NVIDIA partner badges, and 130-plus specialists reported in March 2026
Watch-outs
- NOS holds a 20% stake in DareData and supplies four of the 18 published studies—ask for a speakable reference outside the NOS group
- The homepage claims 95% production deployments and €100M-plus value generated with nothing on the site behind either figure—ask how they are counted
- GenOS is the firm's own platform and sits under the invoice, legal and Greenvolt work—confirm licensing terms and what your team can operate if the engagement ends
Service coverage
Where the two overlap, and where each covers ground the other does not.
Industry coverage
Where the two overlap, and where each covers ground the other does not.
Pricing math
What a 12-week engagement at one full-time equivalent (~480 hours) costs at each agency’s published rate. An arithmetic projection, not a quote — real scopes move with seniority mix and team shape.
BySix
Contact for rates
DareData
Rate: €45-85/hr
€21,600–€40,800
Only DareData publishes a rate, so there is no gap to measure. BySix quotes per engagement — ask for a rate card early, since a comparison that starts on scope and ends on price tends to end late.
Frequently asked questions
- Which scores higher overall, BySix or DareData?
- DareData scores 64/100, 15.2 points higher than BySix at 48.8/100. See our methodology for how scores are calculated.
- When should I consider both BySix and DareData?
- Consider running parallel discovery briefs with BySix and DareData if your project spans multiple workstreams, you want competitive proposals to compare scope and approach, or you're undecided between the specialization angles each brings (see the Best for cards above). Most engagements ultimately go with one — but the parallel-brief phase is a low-cost way to validate fit.
Read the full reviews
A side-by-side is a starting point. The full assessments carry the portfolio analysis, documented engagements, and the evidence behind every strength and watch-out above.