Derrick
Derrick is a B2B prospecting and enrichment engine that runs in a web app, a Google Sheets sidebar, AI assistants through an MCP server and an API, all drawing on one pool of credits. It builds lead lists from Sales Navigator searches, LinkedIn post engagers, followers and connections, Google Maps, search results, French company codes or a plain language prompt that it turns into a Sales Navigator search, then finds emails and mobile numbers, verifies emails and adds company, tech stack and registry details. Signal watches lists daily and sends alerts to Slack, email, a webhook or a new spreadsheet row.
LinkedIn features run on the customer's own LinkedIn session, connected through a Chrome extension or by pasting the session cookie into Derrick's settings, and a Sales Navigator import pulls up to 2,500 leads per search from the user's own seat. Ask Claude and Ask OpenAI columns run a prompt on each row, and leads push to La Growth Machine and lemlist or reach CRMs through Zapier, Make, n8n or the API. The Google Sheets add-on has more than 34,000 installs.
A free plan gives 100 credits, and paid plans run from €20 a month for 10,000 credits to €320 for 200,000, with the API and MCP server starting on the €47.50 Plus plan. A found email costs five credits, a found phone number 200 and a LinkedIn profile one, and finders bill only on a result. Derrick is a French company based in Marseille, founded in 2022 by Jonathan Maurin, hosts its service on Heroku in Europe and sells to founders, SDRs, agencies and recruiters, with tools built for French company data.
Capability Axes
Capability grades
17 of 17 axes rated · 7 graded A or B
AI turns a plain language prompt into a Sales Navigator search, and Ask Claude and Ask OpenAI columns run a custom prompt on each spreadsheet row, while an MCP server exposes about 20 tools to AI agents. The finders, enrichment and Signal alerts, which carry the product, are not described as AI and work without it.
Signal checks lists every day in the background, the Sheets add-on can run when the user is not present and fills columns automatically, and through MCP an agent states the credit cost and then runs a chain of lookups and pushes to La Growth Machine or lemlist with no approval step described. Overwrite rules for spreadsheet columns are not described, and nothing writes directly into a CRM.
Anthropic and OpenAI are named as subprocessors used only when a customer runs an AI feature, and the feature pages name Claude 3.5 Sonnet and GPT-4 or GPT-4o. How a prompt becomes a Sales Navigator search is explained in a single sentence.
Case studies name users only by first name, such as an SDR whose bounce rate fell from 12 percent to under 3 percent, and Derrick's own benchmarks put email match at 82 to 89 percent and mobile at 52 percent. The Google Sheets add-on carries more than 34,000 installs at 4.8 stars, while the 323 Trustpilot reviews Derrick cites run well ahead of the count on Trustpilot itself.
The terms make the customer the controller and Derrick a processor, and the data comes from public and opt in sources by Derrick's account, but no legal basis, legitimate interest assessment or notice to the people in the data is described. There is no opt out page for those people, rights requests go to a general contact address, and CCPA, data broker registration and Do Not Call handling for the mobile numbers it sells are not addressed.
Privacy terms and a DPA name Heroku on AWS in Europe, Stripe, Google, Anthropic and OpenAI as subprocessors alongside unnamed enrichment providers, with a full list on request, rely on standard contractual clauses for transfers and promise breach notice without undue delay. The hard question for a data vendor, the legal basis for enriching the people it finds, is left to customers, and Derrick's claim to store no personal data sits against its storage of users' LinkedIn session tokens.
Data comes from more than ten sources, among them the LinkedIn graph, company websites, registry data, web crawling and third party providers, with the first confident match used and blank cells left otherwise. No provider behind the email or phone finders is named, emails are either found or generated, and refresh cadence is not stated.
LinkedIn features run on the customer's own session: users copy their li_at session cookie from browser developer tools into Derrick, which stores the token and uses it to access LinkedIn and Sales Navigator on their behalf, despite Derrick's assurance that it never asks for that cookie.
Derrick also promotes renting LinkedIn accounts from MirrorProfiles, its terms leave LinkedIn compliance, volume and pace to the user and disclaim liability for account restrictions, and two earlier Derrick extensions that requested LinkedIn cookie access have been pulled from the Chrome Web Store.
Whether customer data trains models is not stated. Derrick says it keeps no personal records beyond each lookup and that every MCP call is stateless, yet users' LinkedIn session tokens are stored, account data is kept while the account is active and logs for a limited period, and the DPA deletes or returns customer data at termination.
Derrick sends nothing itself and pushes leads into La Growth Machine and lemlist for outreach. No notice to the people in the data is described, and no position on Article 50 of the EU AI Act is taken.
The Google Sheets add-on, an API with 35 endpoints at 60 requests a minute and one record per call, and an MCP server that works with Claude, ChatGPT, Cursor and Windsurf all share one credit pool, and Zapier, Make and n8n connect natively. Leads push free to La Growth Machine, lemlist and webhooks, while HubSpot, Salesforce and Pipedrive have no native sync. The API and MCP server start on the Plus plan.
The service is hosted on Heroku using AWS servers in Europe. No residency options or tenancy details are described.
HTTPS encryption in transit, access limited to authorized staff and API keys are the only security measures described. SOC 2, ISO 27001, a trust center, encryption at rest, single sign on and multi factor sign in are not listed, on a service that stores users' LinkedIn session tokens.
Prices are in euros: a free plan gives 100 credits, Standard costs €20 a month for 10,000 credits, Plus €47.50 for 25,000 with the API and MCP, Pro €175 for 100,000 and Scale €320 for 200,000, with larger volumes priced on usage. A LinkedIn profile costs one credit, a found email five, a found phone number 200, verification one and an Ask Claude row two, and finders charge only when they find something. Credits roll over on paid plans, and no annual plan is offered.
Plans renew monthly until cancelled and can be stopped at any time with no notice period, while refunds are not addressed. Results already sit in the customer's spreadsheets, account data can be exported or deleted on request by email, and the DPA deletes or returns customer data at termination. French law and the courts of Marseille govern, and liability is capped at twelve months of fees.
Emails are checked by SMTP before they are written back and marked with a status that includes catch all, but no further method is described. Verification is presented as guaranteeing validity, while the terms provide results as is and disclaim accuracy, and no bounce refund is offered.
Founders, SDRs, sales teams, agencies, recruiters and freelancers are the named buyers, and lookups by SIREN, SIRET and NAF codes and a product in English and French point to a strong French market. Benchmarks cover the US, UK, France, Germany and APAC.
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Pricing
What this vendor charges, what it commits to in writing, and where the bill can move. Figures the vendor publishes itself are labeled Vendor Published. Figures labeled Estimated come from other sources and the vendor has not confirmed them.
- ›Derrick sells monthly credit plans in euros, from €20 for 10,000 credits to €320 for 200,000, with a free plan of 100 credits. A LinkedIn profile costs one credit, a found email five and a found phone number 200, and lookups that find nothing are free.
How the price works
What you are charged for, and what makes the bill go up.
Monthly credit plans in euros from €20 to €320; credits per action; finders charge only on a result; usage pricing above 200,000 credits
What the contract says about your data
What the vendor commits to in writing once your data is in the product.
No BAA tier listed; a DPA is published.
Getting started
What it costs and what is included before the product is running.
No setup fee listed.
What to watch for
Where this pricing can surprise a buyer who has not read it closely.
A free plan gives 100 credits without a card. A found phone number costs 200 credits, about €0.32 to €0.40 depending on plan, and a found email five. Credits roll over on paid plans and expire on return to the free plan, the API and MCP server start on Plus, no annual plan is offered, and refunds are not addressed.