About
Advisers who expect to be audited
Verdant was founded by an auditor, an energy engineer and a software designer who kept meeting at the same failed reporting deadline.
Purpose
Make emissions reductions real, measurable and owned inside the companies that promise them.
Mission
Give every company a ledger it can defend and a plan its people will deliver.
Principles
How we work
What a client can hold us to.
Measure honestly
We label estimates as estimates, every time.
Plan with the doers
No plan is final until its owners sign it.
Price every tonne
Reductions compete for budget like anything else.
Report plainly
No adjectives where a number will do.
The story so far
From a spreadsheet to a platform
- 2018
Founded in Bristol
An advisory practice with a spreadsheet nobody else could audit.
- 2020
Carbon Ledger
The spreadsheet became software for the first ten clients.
- 2022
Transition Studio
Planning with owners and prices.
- 2024
Evidence Room
Assurance-ready reporting for CSRD.
- 2026
140 companies
And a partner programme for independent advisers.
People
The partners
The founders still lead every baseline review.
Isla Brennan
Founder, assurance
Twelve years in sustainability assurance.
Tomasz Kowal
Founder, engineering
Energy engineer for industrial sites.
Amara Njoku
Founder, product
Designed reporting software for public bodies.
Begin with a baseline
Six weeks to numbers you can defend.
VERDANT
Carbon accounting, transition plans and assurance-ready reporting for companies that intend to keep their promises.
The firm
Offices
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