Is sparteo.com legit or a scam?
Established French AdTech firm with 10+ year domain history, verified Prebid integration, and active corporate presence across multiple countries.
Analysis Summary
No threats detected
All checks passed. This site appears legitimate — but always stay alert for phishing even on trusted domains.
Website Preview

Automated page render — captured in a safe sandbox. What an ordinary visitor would see when loading the site.
MT Intelligence
Sparteo operates as a registered French SAS (Sparteo SAS) headquartered in Paris with 51–200 employees and offices in multiple countries. The domain sparteo.com was registered in November 2015, making it over 10 years old — a strong legitimacy signal. Our antivirus network flagged zero detections across 92 engines, and the hosting IP has zero abuse reports. The company is listed on Crunchbase, Pitchbook, and LinkedIn, publishes case studies with measurable client results, and maintains an active corporate site with career pages and a blog. Prebid.org lists Sparteo as a verified header-bidding adapter requiring formal approval, which is a significant industry credential. Web research found no scam reports, complaints, or negative reviews; instead, independent trust scanners rated subdomains like sync.sparteo.com and bid.sparteo.com as highly trustworthy (99/100 and 100/100 scores). The company claims recognition as an FT1000 fastest-growing company in Europe and reports 30% growth in 2023.
Web Research Findings
Our live research agent queries scam-report databases, consumer-review sites, news coverage, and general web search for sparteo.com, then cross-checks business-registration records and look-alike domain patterns. Everything below is pulled from what it actually found.
- Sparteo is a French AdTech company (Sparteo SAS) founded around 2017, specializing in AI-powered advertising solutions, header bidding, SSP (Actirise ranked #1 Web SSP in France), analytics, and CMP tools for publishers.
- sparteo.com registered November 9, 2015 (over 10 years old); subdomains like sync.sparteo.com and bid.sparteo.com have high trust scores (99/100 and rated legit by scanners).
- Integrated into Prebid.org as a verified bidder (requires approval); listed on Crunchbase, Pitchbook, LinkedIn (51-200 employees, Paris HQ), and industry sites like Himalayas and BuiltIn.
- Publishes case studies including +50% RPM boost for LCHF-arkivet using Actirise solution; claims awards like FT1000 Europe's fastest-growing companies and #1 ranking by Pixalate.
- No scam reports, complaints, or negative reviews found across searches for scam/fraud/complaint; low fraud risk rating from Scamalytics for Sparteo SAS ISP.
- Active corporate site (corporate.sparteo.com), career page with 100+ talents across 11 countries, blog with 2025 posts, and privacy policy referencing French SAS registration.
- Bootstrapped company with reported 30% growth in 2023; focuses on sustainable, sovereign infrastructure for publishers.
- Prebid.orgopen
"Sparteo for Header Bidding adapter requires setup and approval. Please reach out to prebid@sparteo.com for more details."
- ScamAdviseropen
"bid.sparteo.com is very likely not a scam but legit and reliable."
- PCRisk Scanneropen
"Is sync.sparteo.com safe to visit ? ... trust score 99/100, 0/91 engines flagged"
- MalwareHelpopen
"sparteo.com legit check: 100/100 ... No major scam signal confirmed sparteo.com shows several positive trust signals."
Sparteo SAS, headquartered in Paris (33 boulevard des Batignolles 75008 Paris), also offices in Lille and Tourcoing. Founded ~2017, 51-200 employees, independent AdTech company. Listed on Crunchbase, Pitchbook, LinkedIn. FT1000 fastest-growing company in Europe.
We searched scam-report databases, consumer-review sites, and general web sources for Sparteo and found zero scam reports or complaints. Instead, we found four positive trust signals: (1) Prebid.org lists Sparteo as a verified header-bidding adapter, a credential requiring industry approval; (2) independent trust scanners rate Sparteo subdomains (bid.sparteo.com, sync.sparteo.com) as highly trustworthy with scores of 99–100/100; (3) business registration confirms Sparteo SAS as an active French company founded around 2017 with 51–200 employees and offices across 11 countries; and (4) Crunchbase, Pitchbook, LinkedIn, and industry publications list Sparteo with case studies, employee profiles, and growth metrics including FT1000 recognition and 30% reported growth in 2023.
Antivirus Engines
Security Scans
Checked against the major public blocklists used by browsers and security tools — no hits.
Contact Verification
We fetched the page and looked for real-world contact details. Legitimate businesses almost always publish an email on their own domain, a phone number, and a postal address. Scam shops usually don't.
- No contact email found anywhere on the page.
- No phone number listed on the page.
- Postal address visible on the page.
Domain & Encryption
Redirect Chain
- 1301http://sparteo.com/
- 2200https://corporate.sparteo.com/cross-domain
Server Reputation
Still, stay alert
No major threat indicators — but a clean scan does not guarantee every page is safe, and phishing emails routinely spoof real domains.
- Double-check the exact URL in your address bar
Confirm you are actually on sparteo.com and not a lookalike like s-parteo.com.com or an IDN homoglyph.
- Use a password manager
Password managers only auto-fill on the exact domain they were saved for — they refuse to fill lookalike domains, which is the single best phishing defence.
- OpenDiscuss this site on the forum
If you have first-hand experience with this site — good or bad — share it with the MalwareTips community.
Reputation Sources
How this domain rates across independent threat-intelligence and blocklist providers.
Referenced Domains
Outbound domains this page links to or loads resources from. Each links to its own security scan.
Safety FAQ
Common questions about this site, answered directly from the scan data above — so the answers always reflect the latest verdict on this page.
- Our automated security review found no threat indicators on sparteo.com. The site appears legitimate based on the signals we checked, but always stay alert for phishing emails that spoof real domains.
- sparteo.com passed our automated security checks with a trust score of 92/100. No antivirus engines or major blacklists flagged the site at the time of the last scan.
- Yes. sparteo.com presents a valid TLSv1.3 certificate issued by Let's Encrypt · R12, expiring in 62 days. Note that SSL only encrypts the connection — it does not guarantee that the site itself is trustworthy.
- No. All 92 antivirus engines in our malware network report sparteo.com as clean.
- No. sparteo.com is not currently listed on the major browser blocklist feeds that modern browsers use.
- sparteo.com resolves to an IP operated by Sparteo SAS in FR (usage type: Commercial). Hosting location alone doesn't make a site good or bad, but unusual geography for a brand's claimed country is one of many signals we weigh.
- Yes. sparteo.com sits in the global top-100k on Cloudflare Radar, which means it has substantial real-world traffic. That does not automatically make it safe, but established brands almost always rank here and throwaway scam domains almost never do.
- This is a permanent record of the scan run on June 10, 2026. The verdict and evidence above reflect that scan and do not change on their own. If circumstances around sparteo.com have changed, MalwareTips staff can run a fresh scan, which re-runs every check from scratch and publishes an updated report.
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