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Company No. 09040234 · Incorporated 14 May 2014

J & B Bio Limited

Registered name: J & B BIO LIMITED

J & B Bio Limited made £7.4m revenue and a £13k loss in the year to 31 Dec 2025.

J & B Bio Limited’s revenue fell 2% to £7.4m in the year to 31 Dec 2025, with a loss of £13k and 0 employees. The company is classified under “treatment and disposal of non-hazardous waste” and is based in Doncaster; we hold 2 years of its filed accounts.

Full P&L filedSection E · Water supply, sewerage and waste managementSIC 38210Treatment and disposal of non-hazardous waste
Status
Active
Location
Doncaster, Yorkshire and The Humber
Age
12 yrs · since 2014
Type
Private Limited Company

Pass-through vehicle. This looks like a holding, staffing or umbrella company. Its revenue and profit may largely pass through to or from other entities, so the figures may not reflect a standalone operating business. It is excluded from our opportunity lists.

Latest accounts · year to 31 Dec 2025

Key figures

IndependentSmall teamBoring industry
Revenue
£7.4m
Growth ▼2.5%
Profit
−£13k
Growth —
Profit margin
−0.2%
 
Employees
0
Change —
Profit / employee
—
 
Profitable streak
0yrs
Consecutive profitable years in our data

Badges are automated estimates derived from the filed figures — not statements of fact about the company.

2 filed years

Financial history

Multi-year financials, oldest to newest
Year to31 Dec 202431 Dec 2025
DisclosureFull P&LFull P&L
Profit & loss
Revenue (turnover)£7.6m£7.4m
Operating profit£0−£13k
Profit before tax£0−£13k
Profit after tax£0−£13k
Profit (best available)£0−£13k
Employees (average)00
Ratios
Profit margin0%−0.2%
Growth (year on year)
Revenue growth—▼2.5%
Balance sheet — indirect signals, not revenue
Cash at bank£226k£0
Net assets£0−£13k
Current assets£1.2m£0
Debtors£982k£0
SourceFullAccounts · bulk data Sep 2026FullAccounts · bulk data Sep 2026
Derived from the latest filing

How the business works

Profit margin
−0.2%
Profit ÷ revenue.
Gross margin
—
Gross profit ÷ revenue. High for software and services.
Revenue per employee
—
Revenue ÷ average employees.
Profit per employee
—
Profit ÷ average employees.
Cash conversion
—
Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue
—
Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue
—
Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue
0%
Money owed by customers. Low = customers pay quickly.
Indirect — not revenue

Balance-sheet signals

Year-on-year changes in filed balance-sheet items. They can hint at momentum (or investment) but are not revenue or profit and must not be read as such.

Net assets
—
Now −£13k
Cash at bank
▼100%
Now £0
Headcount
—
Now 0
Deferred income
—
Now —
Fixed assets
—
Now —
Corporate ownership

Group structure

Minority corporate shareholders

From the Persons with Significant Control register (corporate controllers only).

Same industry, similar size

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Industry benchmarks →

Sources

Latest figures from FullAccounts for the year to 31 Dec 2025 (profit −£13k), from the Companies House accounts bulk data published Sep 2026. Spotted an error? Request a correction.

Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.