Quick verdict
Choose Stotles for suppliers chasing UK government contracts who want to spot them early and draft the bid in the same tool; choose Tendium for European teams selling to the public sector who need tender discovery plus bid help. Stotles starts lower, at £0 (Free plan) against €125/mo for Tendium. In our capability model Stotles leads on source attribution, integrations and self-serve setup, while Tendium leads on approval workflows.
Both profiles reviewed Oct 2026
2 of 70 profiles, one scoring modelNo paid placementSources checked: 5Choose Stotles or Tendium
ST
Choose Stotles when
- Suppliers chasing UK government contracts who want to spot them early and draft the bid in the same tool.
- You need stronger source attribution, integrations and self-serve setup than Tendium offers.
- You want the lower entry price: £0 (Free plan).
TE
Choose Tendium when
- European teams selling to the public sector who need tender discovery plus bid help.
- You need stronger approval workflows than Stotles offers.
- Stotles: Suppliers chasing UK government contracts who want to spot them early and draft the bid in the same tool.
- Tendium: European teams selling to the public sector who need tender discovery plus bid help.
- Pricing: Stotles £0 (Free plan) vs Tendium €125/mo
Side-by-side comparison
| Capability | Stotles | Tendium | Edge |
|---|---|---|---|
| Best for | Suppliers chasing UK government contracts who want to spot them early and draft the bid in the same tool. | European teams selling to the public sector who need tender discovery plus bid help. | - |
| Starting price | £0 (Free plan) | €125/mo | Stotles |
| Free tier | Yes | No | Stotles |
| RFPs | 2/3 | 2/3 | Match |
| DDQs | 0/3 | 0/3 | Match |
| Security questionnaires | 0/3 | 0/3 | Match |
| AI drafting | 2/3 | 2/3 | Match |
| Answer library | 1/3 | 1/3 | Match |
| Source attribution | 2/3 | 1/3 | Stotles |
| Workflow & approvals | 1/3 | 2/3 | Tendium |
| Integrations | 2/3 | 1/3 | Stotles |
| Self-serve onboarding | 3/3 | 2/3 | Stotles |
| ISO 27001 | Not listed | Not listed | - |
| SOC 2 | SOC 2 (type not stated) | Not listed | - |
| US hosting | Not listed | Not listed | - |
| EU hosting | Not listed | Not listed | - |
| Slack | Slack | Not listed | - |
| Microsoft Teams | Microsoft Teams | Not listed | - |
| AWS, Azure, GCP | AWS | Not listed | - |
| Listed integrations | Salesforce, HubSpot, Slack, Microsoft Teams, SharePoint, Google Drive, Stotles API, Stotles MCP (beta) | None listed | - |
| Certifications | SOC 2, CSA STAR Level 1 | None listed | - |
What they look like
ST Stotles
TE Tendium
Security: ISO 27001, SOC 2, and regional hosting
Put Stotles and Tendium through the same three questions a security reviewer will ask: ISO 27001, SOC 2, and whether you can keep the tenancy in the US or the EU. Cells say Not listed when we could not find the claim on a public vendor page.
| Check | Stotles | Tendium |
|---|---|---|
| ISO 27001 | Not listed | Not listed |
| SOC 2 | SOC 2 (type not stated) app.eu.vanta.com, 2026-10 Listed under Compliance on the Stotles trust center, next to CSA STAR Level 1. The report type is not shown publicly. | Not listed |
| US hosting | Not listed | Not listed |
| EU hosting | Not listed | Not listed |
Slack and Microsoft Teams
During a live questionnaire, SMEs get pinged in Slack or Teams, not in a vendor portal. Here is what Stotles and Tendium publish for those two connections.
| Connection | Stotles | Tendium |
|---|---|---|
| Slack | Slack stotles.com, 2026-10 | Not listed |
| Microsoft Teams | Microsoft Teams stotles.com, 2026-10 | Not listed |
Subprocessors: the big three clouds, then the niche names
Compare Stotles and Tendium on AWS, Azure and GCP first. Then scan for niche processors a reviewer should pause on: third-party LLMs, session replay, or support that leaves the region you elected.
| Layer | Stotles | Tendium |
|---|---|---|
| AWS, Azure, GCP | AWS | Not listed |
| Watch-outs | No niche processors flagged in our sourced list. The four subprocessors shown on the trust center front page; the full list sits behind its Subprocessors tab. | No niche processors flagged in our sourced list. |
Pricing breakdown
Stotles
Free Sales Studio plan for tender tracking and pre-tenders. Sales Studio Growth is listed from £475/mo and Expert is custom. Bid Studio has its own plans (a free tier with 3 lifetime bid/no-bid reports, then paid and custom tiers) plus a combined bundle. Some Basic and Bid Studio figures differed between sections of the pricing page on 9 October 2026, so check it before you budget.
Tendium
Light plan from €125/mo with unlimited users and self-service onboarding. Core and Scale are quote-based and scale with the number of bids per year. Free trial available.
Who should pick Stotles
Stotles is the pick for suppliers chasing UK government contracts who want to spot them early and draft the bid in the same tool.
- The buyer and contract data is the real product: Stotles says it surfaces expiring contracts 12 to 24 months before they come up.
- A genuinely free starting point: the Free plan includes unlimited users, so the whole sales team can watch the same pipeline.
- Discovery and bid writing sit in one place, so the tender you qualified is the one you draft against, buyer history and all.
Who should pick Tendium
Tendium is the pick for european teams selling to the public sector who need tender discovery plus bid help.
- Monitors public tenders across European markets, with English keyword search regardless of tender language.
- AI executive summaries of tender documents speed up the bid/no-bid read.
- One tool for discovery, qualification (Smart Checklists) and bid writing.
Final verdict
These tools solve different problems, so the right pick depends on your priorities. Stotles is the lower-cost entry point (£0 (Free plan)). In our capability model, Stotles leads on source attribution, integrations, and self-serve setup, while Tendium leads on workflow and approvals. They are level on DDQs and security questionnaires combined in our capability model. Many teams also run a dedicated AI-drafting tool alongside their existing stack rather than switching wholesale.
Read the full Stotles review or Tendium review, or browse all RFP & DDQ software.
Frequently asked questions
What is the difference between Stotles and Tendium?
Stotles: UK public-sector tender tracking and buyer intel, with an AI bid-writing module. Tendium: Find and win EU public-sector tenders with AI. Stotles is best for suppliers chasing UK government contracts who want to spot them early and draft the bid in the same tool. Tendium is best for european teams selling to the public sector who need tender discovery plus bid help.
Which is cheaper, Stotles or Tendium?
Stotles starts lower at £0 (Free plan), versus €125/mo for Tendium.
Is Stotles or Tendium better for DDQs and security questionnaires?
They are level on DDQ and security-questionnaire handling in our capability model, so test both on one of your own questionnaires.
Do Stotles and Tendium both handle RFPs?
Stotles: yes, a core strength. Tendium: yes, a core strength.
Which should you choose, Stotles or Tendium?
Stotles is the pick for suppliers chasing UK government contracts who want to spot them early and draft the bid in the same tool. Tendium is the pick for european teams selling to the public sector who need tender discovery plus bid help.
Are there alternatives to Stotles and Tendium?
Yes. Browse the full directory of RFP, DDQ, and security-questionnaire platforms for more options and side-by-side comparisons.
Do Stotles and Tendium list ISO 27001, SOC 2, and US or EU hosting?
Stotles: ISO 27001 Not listed, SOC 2 SOC 2 (type not stated), US Not listed, EU Not listed, Slack Slack, Teams Microsoft Teams, clouds AWS. Tendium: ISO 27001 Not listed, SOC 2 Not listed, US Not listed, EU Not listed, Slack Not listed, Teams Not listed, clouds Not listed. Confirm both on the vendor sites.
Source registry
Every page we read for these profiles, with the month it was last checked. Anything without a source is shown as not publicly disclosed. Spot an outdated fact? Send it from the corrections page.
Stotles
Pricing
- No pricing source URL recorded. Treat pricing as not publicly disclosed until the vendor confirms it.
Security and compliance
Product and integrations
Third-party reviews
- No review-site source recorded.
Tendium
Pricing
Security and compliance
- No security source URL recorded. Treat certifications and hosting as not publicly disclosed.
Product and integrations
Third-party reviews
- No review-site source recorded.