Firmoscan
Active16129753Private limited companyLondon

MASS BALANCE LTD

Significant control: Toby Primo Call (50–75%), Vishnu Sinha Tumkur Srinivasamurthy (25–50%)

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

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What does Mass Balance Ltd sell?

Registered activity: Research and experimental development on biotechnology (SIC 72110). We’re building product and service lists for UK companies. Get this one when it’s ready.

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01

Summary

Generated from filed data · no estimates

MASS BALANCE LTD is an active private limited company (company number 16129753) incorporated on 11 December 2024, registered in London. Its registered activity is research and experimental development on biotechnology (SIC 72110). No accounts have been filed yet; the first accounts are due by 11 September 2026.

There are 603 companies in research and experimental development on biotechnology in London with filed accounts; the median reports net assets of £440 and is 6 years old.

02

Ownership and control

2 active
  • Dr. Toby Primo Call
    Individual · since 11 December 2024
    • owns 50–75% of shares
    • holds 50–75% of voting rights
  • Dr Vishnu Sinha Tumkur Srinivasamurthy
    Individual · since 11 November 2025
    • owns 25–50% of shares
    • holds 25–50% of voting rights

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.

03

Key dates

Incorporated
11 December 20241 yr ago
First accounts due
11 September 202643 days overdue
Confirmation statement due
25 December 2026in 62 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

04

Activity

SIC 72110
Research and experimental development on biotechnology
Accounts type
No Accounts Filed
05

Financials

No accounts on record

No accounts filed yet. The first accounts are due by 11 September 2026; this page updates when they are filed.

06

Timeline

Newest first
  1. Confirmation statement duein 62 days
  2. First accounts due43 days overdue
  3. Incorporated
07

Similar companies in London

Same activity (research and experimental development on biotechnology), closest in incorporation date

All companies incorporated on 11 December 2024 · in Dec 2024.

08

Reminders for MASS BALANCE LTD

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.

Source: Companies House register, snapshot 2026-08-31. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown.

This information comes from public filings and our automated processing of them. It may contain errors, be incomplete or be out of date, and is not advice or a credit reference. Check the official record before relying on it. Terms · Privacy · Report an error (corrected within one working day).