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Grants for small businesses and startups in London

427 open, rolling and forthcoming grant schemes for small businesses and startups in London, from 31 funders. Each listing shows the deadline, award size, where it applies and a link to the funder's original guidance.

Last verified 5 Oct 2026, 22:10 BST. Always check the funder's own guidance before applying.

Open now
420
Forthcoming
7
Closing in 30 days
17
Specific to London
16

The rest are open across the UK or a wider area that includes London.

The 15 schemes closing soonest

Grants for small businesses and startups in London, soonest deadline first
Grant nameStatusAward amountDeadlineLocationLast verified
IARIA: Forecasting Tipping Points Phase 2 – Concept papersInnovate UK Business Connect (opportunities listing)OpenFrom £5.8mCloses 9 Oct 2026 · todayNorthern Ireland, Scotland, Wales +44 days ago
IFarming Innovation Programme: Small R&D Partnership Projects Rd 5Innovate UKOpen£1m – £3mCloses 14 Oct 2026 · 5d leftUK-wide4 days ago
IInvestor Partnerships – ACT and SemiconductorsInnovate UKOpen£250k – £1mCloses 14 Oct 2026 · 5d leftUK-wide4 days ago
IKnowledge Transfer Partnership (KTP): 2026 – 2027 Round 3Innovate UKOpenAmount not specifiedCloses 14 Oct 2026 · 5d leftUK-wide4 days ago
IMedicines Manufacturing Data Institute: Phase 1Innovate UKOpen£50k – £100kCloses 14 Oct 2026 · 5d leftUK-wide4 days ago
IContracts for Innovation Cymru: Reducing Missed Appointments and Improving Access to Planned CareInnovate UK Business Connect (opportunities listing)OpenUp to £200kCloses 20 Oct 2026 · 11d leftNorthern Ireland, Scotland, Wales +44 days ago
IEngineering Biology Access to Infrastructure PilotInnovate UKOpen£200k – £750kCloses 21 Oct 2026 · 12d leftUK-wide4 days ago
IOfgem Strategic Innovation Fund Discovery C7Innovate UKOpenUp to £200kCloses 21 Oct 2026 · 12d leftUK-wide4 days ago
IOfgem Strategic Innovation Fund Round 5 Discovery C7Innovate UKOpenUp to £200kCloses 21 Oct 2026 · 12d leftUK-wide4 days ago
IDigital Catapult: Digital Twin Industry Challenge Led Accelerator 2026Innovate UK Business Connect (opportunities listing)OpenUp to £75kCloses 27 Oct 2026 · 18d leftNorthern Ireland, Scotland, Wales +44 days ago
IAdvancing innovation in accelerated cancer diagnosisInnovate UKOpen£1.5m – £4mCloses 28 Oct 2026 · 19d leftUK-wide4 days ago
INational Materials Innovation Programme: CR&D Rd1Innovate UKOpen£500k – £1mCloses 28 Oct 2026 · 19d leftUK-wide4 days ago
IUK Defence Innovation: Security Open Call 2026 Cycle 2Innovate UK Business Connect (opportunities listing)OpenUp to £350kCloses 29 Oct 2026 · 20d leftNorthern Ireland, Scotland, Wales +44 days ago
IEIT Culture & Creativity: Innovation Projects 2026Innovate UK Business Connect (opportunities listing)OpenAmount not specifiedCloses 30 Oct 2026 · 21d leftNorthern Ireland, Scotland, Wales +44 days ago
IEngineering Biology Collaborative R&D: Round 3Innovate UKOpen£750k – £2.5mCloses 3 Nov 2026 · 25d leftUK-wide4 days ago
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Grants for small businesses and startups in London · OpenGrant