Altered Carbon
Bristol, GB · 1 known investors
Altered Carbon builds a chemical-sensing platform based on proprietary graphene nanomaterials that lets machines detect and interpret airborne chemical signals at ultra-low power. The technology serves applications across the built environment, healthcare, food and agriculture, security and defence, industrial infrastructure, and robotics/autonomous systems.
Founders & leadership
Board
SP
Suresh PushpananthaninChairman
Investors · 1
Companies House · registry record
View on Companies House ↗Confirmation statement overdue
- Registered name
- ALTERED CARBON LIMITED
- Company number
- 11362774
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 May 2018
- Registered office
- Henleaze Business Centre, Harbury Road, Bristol, Avon, BS9 4PN
- Nature of business (SIC)
- 71122 — Engineering related scientific and technical consulting activities71129 — Other engineering activities
- Accounts
- last made up to 31 Dec 2025 · next due 30 Sept 2027
- Confirmation statement
- last made up to 30 Mar 2025 · next due 13 Apr 2026
Current officers · 6
- Frazer John Stephen Barnes — director, appointed 1 Jan 2021
- Dominic John Keen — director, appointed 31 Jul 2022
- Sam Onwugbenu — director, appointed 28 Sept 2018
- Ali Rohafza — director, appointed 28 Sept 2018
- Dobromir Petkov Todorov — director, appointed 30 Sept 2025
- Amygdala Ltd — corporate director, appointed 30 Sept 2025
Source: Companies House public register · retrieved 16 Aug 2026. Contains public sector information licensed under the Open Government Licence v3.0.
Frequently asked questions
- What does Altered Carbon do?
- Altered Carbon builds a chemical-sensing platform based on proprietary graphene nanomaterials that lets machines detect and interpret airborne chemical signals at ultra-low power. The technology serves applications across the built environment, healthcare, food and agriculture, security and defence, industrial infrastructure, and robotics/autonomous systems.
- Who founded Altered Carbon?
- Altered Carbon was founded by Sam Onwugbenu, Frazer Barnes.
- Who are Altered Carbon's investors?
- Altered Carbon's investors include Oxford Investment Opportunity Network (OION).
- Where is Altered Carbon headquartered?
- Altered Carbon is headquartered in Bristol, GB.