LinkedIn / Sam Tuke · Jul 2026
Announces MCP v3 in ChatGPT, Claude Code, and Codex, with categorized replies and improved workflow for campaign follow-up.
Managed Sales Email Delivery For Cold Outreach
Company research
Public company, workplace, funding, and market signals
Overview
Lightmeter is a London-based, YC Winter 2022 software company that sells managed email deliverability infrastructure for sales outreach. It positions itself as a sales-only delivery network, independent of Google, Microsoft, and SendGrid, with expert-managed warmup, inbox placement testing, address validation, and analytics.
Primary product
Managed sales email delivery / outreach infrastructure for cold outreach
Founded
2022
Headquarters
London, England, United Kingdom
Team size
1-10
Industry
Software Development
Sub-industry
Email deliverability / sales outreach infrastructure
Offices
128 City Road, London, EC1V 2NX, United Kingdom
Kemp House, 160 City Road, London, EC1V 2NX, United Kingdom
Skalitzer Straße 104, Berlin, Germany
Business model
B2B
SaaS
managed service
subscription
Funding
Stage
Seed
Total raised
$945K
Latest round
Seed · Aug 2022
Latest amount
$125K
People & investors
Leadership
Founder and CEO
Cesar Werlich
Co-founder, Chief Operating Officer
Head of Account Management
Investors
Work & culture
Public materials emphasize a customer-zero mindset, automation, direct troubleshooting, and a 'bad news first' / no-inefficiency culture. The team also signals an open-source, email-nerd identity and hands-on support orientation.
Compensation
The public job posting for a Founding Growth Lead lists $50K-$90K salary plus 0.25%-0.75% equity, for a remote role open across multiple Americas countries. No general company-wide compensation policy is publicly stated.
Product & market
Pricing
Monthly subscription pricing with plan tiers based on outreach volume; public materials mention plans from 50 to 7,500 outreach emails per day and a managed-service sales motion.
Differentiators
- —Sales-only delivery network
- —Independent of Google, Microsoft, and SendGrid
- —Managed by experts rather than self-serve only
- —AI-powered warmup and delivery routing
- —Automated inbox placement testing and address validation
- —Sales sending isolated from office email
- —Transparent performance analytics
- —Up to 7,500 emails per day
Technology
Go
Vue.js
Python
Docker
Kubernetes
PostgreSQL
Node.js
JavaScript
HTML
CSS
Postfix
GitLab
Customers
B2B startups
marketplaces
GTM agencies
scale-ups
Fair Square Medicare
Campfire
GetAgency
Zevenue
Speechly
Competitors
Google Workspace / Gmail
Microsoft Outlook
SendGrid
Instantly.ai
lemlist
Woodpecker
Warmy
Lavender
Scale & contact
Estimated revenue
Estimated annual revenue around $1M (third-party estimate; 2024/2025 public analysis)
Estimated monthly visits
83
Latest news
LinkedIn / Sam Tuke · Jun 2026
Announces Lightmeter MCP launch in ChatGPT and Codex app stores, with campaign creation, lead management, and analytics features.
LinkedIn / Lightmeter · May 2026
Company post resharing CEO commentary about analytics quality, campaign interpretation, and outbound performance measurement.
The London Economic · Feb 2025
Profile of Sam Tuke covering Lightmeter's VC path, pivot to sales email delivery, and the company's value proposition.
Lightmeter blog · Feb 2024
Explains the company's outlook on sales vs marketing email, deliverability, and why Lightmeter was built.
Jobs and careers at Lightmeter
0 jobs at Lightmeter
No open positions
Check back later for new openings