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2 / 5 seats · Q3 2026
Slot
Case Study № 01 · Sales Agent

From 142 leads a day — the right 47 qualified.

Sales started every morning with an Excel list from inbound forms, LinkedIn and referrals. 142 leads a day. Nobody had time to check each one. The hot leads slipped through.

Year
2026
Industry
B2B SaaS
Stack
LangChain · HubSpot · Slack
Duration
3 weeks
Status
Live · production
§ 02 · The problem
What didn’t
work.

The client — a B2B SaaS mid-sized company — collected ~142 inbound leads a day from 6 sources. Manual qualification took ~23 min per lead. Result: only 30% of leads were contacted at all, half of them too late.

  • 142 leads/day from web form · LinkedIn · referral · webinar · demo request
  • 23 min avg qualification time per lead → 54 h/week just for triage
  • 30% contact rate, 50% of those > 24 h after arrival (lead cold)
  • €220K estimated lost revenue per quarter from lost hot leads
Pipeline · Live

Sales Agent · lead pipeline

Ø Zeit-Ersparnis

Avg. 22.5 min saved per lead

01
Lead intake
Web form · LinkedIn · webhook
02
Enrichment
Clearbit · LinkedIn API · domain
03
Intent score
GPT-4 · 5 axes · 0–100
04
Routing
Hot >80 · Warm 40-80 · Cold <40
05
HubSpot
Record created · score · tags
06
Slack ping
#sales-hot · @on-call
07
Meeting
Calendly · 30 min · ICS
§ 03 · Result
What changed after 4 months.

Sechs harte Zahlen. Aus den Live-Dashboards des Kunden, gemessen über die ersten Monate nach Go-Live. Kein Marketing-Number-Massaging — Roh-Output aus dem Agent-Log.

KPI № 01
47

hot leads/day qualified

of 142 inbound

KPI № 02
4.8 s

avg. end-to-end time

lead → Slack ping

KPI № 03
78 %

contact rate in < 1 h

was 15%

KPI № 04
+34 %

win rate

hot leads vs. mixed before

KPI № 05
€312K

won revenue / quarter

conservative attribution

KPI № 06
54 h

sales time saved / week

for real sales conversations

§ 04 · Voice from the workshop
We didn’t solve a “lead volume” problem — we had enough leads. We had an attention problem. RSG built an agent that filters exactly the right 30% out of inbound. My team is back on the phone instead of sorting Excel lists.
Head of SalesB2B SaaS · 80 employees