Social Investment Business
Social Investment Business is a UK charitable foundation and one of the country's largest social investors, deploying and managing government-backed loan and grant capital on behalf of charities, social enterprises, and community organisations, with over £800m deployed since 2002.
- Company typePrivate
- Founded2002
- HeadquartersLondon, United Kingdom
- Headcount51–100
- GTM typeB2B
- OfferingServices
What Social Investment Business does
Social Investment Business (SIB) is a UK charitable foundation established in 2002 and one of the country's largest social investors, operating as a non-profit that deploys and manages government and institutional capital on behalf of charities, social enterprises, and community organisations. Its core activities centre on operating four primary funds — Community Builders Fund (loans £100k–£1.5m at 7.9% fixed), Energy Resilience Fund (blended £25k–£250k with 40% grant and 60% loan at 8.5%), Reach Fund (investment-readiness grants £5k–£15k), and Better Youth Spaces (capital grants £5k–£100k) — supplemented by the flagship £300m Youth Investment Fund. Since 2002, SIB has deployed and managed over £800 million across more than 6,000 organisations.
SIB's business model is fund management and social finance intermediation rather than technology commercialisation. Revenue derives from arrangement fees (2.5-3% on loan originations), interest income on loan portfolios, and management fees for administering grant programmes on behalf of government departments, combined authorities, and foundations such as Access – The Foundation for Social Investment. Distribution combines direct online application portals with a partner ecosystem: 40+ Access Points (including Big Issue Invest, Charity Bank, Key Fund, Resonance, Triodos Bank) refer Reach Fund applicants, while 10 delivery partners including Groundwork UK, Homeless Link, and The Ubele Initiative operate the Energy Resilience Fund. Technology is operational rather than core: an online application platform, interactive impact dashboards (Energy Resilience Fund, Diversity Data), a bespoke geospatial accessibility engine built on Open Street Map for youth centre walking-distance analysis, and the Unmet Need Index mapping 20,000+ youth-related organisations across England.
SIB is structured across multiple wholly-owned subsidiaries (Social Investment Business Limited, Futurebuilders-England Limited, Social Investment Business FM Limited, Social Investment Business Loans Limited, Thrive Together (SIB) Limited, Energy Resilience (SIB) Limited) under the Social Investment Business Foundation, registered charity number 1117185. Leadership is led by Chief Executive Nick Temple OBE and Deputy CEO Genevieve Maitland Hudson. The organisation has explicitly stated it does not currently use automated or AI-based decision-making in its processes. Growth is policy-driven, evidenced by recent wins including the £50m Liverpool City Region Social Investment Pathfinder Fund (announced July 2026) and continued Youth Investment Fund deployment.
Social Investment Business firmographics
Firmographics- Name
- Social Investment Business
- Legal name
- Social Investment Business Foundation
- Website
- https://sibgroup.org.uk
- Company type
- Private
- Founded year
- 2002
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Social Investment Business is a UK charitable foundation and one of the country's largest social investors, deploying and managing government-backed loan and grant capital on behalf of charities, social enterprises, and community organisations, with over £800m deployed since 2002.
- Ownership category
- akta.pro rank
Social Investment Business industry classification
Industry- Product category
- Social Investment Lending
- NAICS
- Grantmaking and Giving Services (81321), Religious, Grantmaking, Civic, Professional, and Similar Organizations (813)
- SIC
- Investment Advice (6282), Loan Brokers (6163)
- akta.pro primary industry
- Social Impact & Inclusive Finance Funds (FSANAJAH)
- akta.pro secondary industries
- Sustainable Private Markets (Impact PE/VC, Private Credit, Infrastructure) (FSAAALAG), Impact Investing & Social Finance (Funds, CDFIs, Microfinance) (BPAGALAA)
Keywords
Where Social Investment Business is headquartered
LocationHeadquarters
- HQ city
- London
- HQ country
- United Kingdom
- HQ region
- Europe
Offices1 record
Markets served
Social Investment Business business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Others
Revenue model
- Social Investment Administration: SIB deploys government funding through loan and grant programmes. As a social investor and fund manager, they earn fees for managing funds on behalf of government and foundations. Revenue comes from arrangement fees on loans (2.5-3% on Community Builders Fund), interest income on loan portfolios, and management fees for administering grant programmes.
- Loan Portfolio Returns: Interest-bearing loans to charities and social enterprises generate returns. Community Builders Fund loans at 7.9% fixed per annum; Energy Resilience Fund provides 60% loan component at 8.5% fixed interest with 2.5% arrangement fee.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Community Builders Fund: Loans from £100k to £1.5m at 7.9% fixed interest rate |
| Hybrid | Monthly | Energy Resilience Fund: Blended funding £25k-£250k (40% grant, 60% loan) |
| One time/ perpetual license | Pay-as-you-go | Reach Fund: Grants between £5,000 to £15,000 |
| One time/ perpetual license | Pay-as-you-go | Better Youth Spaces: Grants £5k-£100k for youth organisations |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels6 records
Social Investment Business product offering
Product offeringCore offering
Social Investment Business provides loans and grants to UK charities and social enterprises, and acts as a fund manager for government-backed and foundation-backed social investment programmes. Its active offerings include the Community Builders Fund (£100k–£1.5m loans at 7.9% fixed interest), the Energy Resilience Fund (£25k–£250k blended grant and loan for energy efficiency), the Reach Fund (£5k–£15k investment readiness grants), the Better Youth Spaces capital grant programme (£5k–£100k), and the £300m Youth Investment Fund with its Modern Methods of Construction strand. SIB combines this finance with investment readiness support, impact research and policy advocacy focused on youth services, community buildings and the social economy.
Differentiator
Problem solved
Functional benefit
Products and services
- Community Builders Fund Loan facility offering £100k to £1.5m to UK charities and social enterprises at 7.9% per annum fixed interest, with a 2.5% arrangement fee on loans of £500k or more (3% below £500k), 1–6 year repayment terms, an optional capital repayment holiday of up to 12 months, no early repayment fees, and unsecured lending up to £250k.
- Energy Resilience Fund Blended funding of £25k to £250k (40% grant and 60% loan) for energy saving measures such as solar panels, insulation, heat pumps and energy-efficient equipment. The loan element is at 8.5% fixed per annum with a 2.5% arrangement fee, 2–10 year repayment term, optional 12-month capital repayment holiday and no early repayment fees.
- Reach Fund Grant programme of £5,000 to £15,000 to help charities and social enterprises in England become investment-ready by funding business plans, financial forecasting, and governance strengthening. Applicants must be referred by an approved Access Point social investor such as Big Issue Invest, Charity Bank, Groundwork UK, Key Fund, Resonance or Triodos Bank.
- Better Youth Spaces Capital grants of £5k to £100k per site for youth organisations in 42 priority areas of England, covering capital equipment (minimum equipment items £2,000), small refurbishments (up to £50,000) and other capital projects to support open-access youth services for 11-18 year olds (up to 25 with SEND).
- Youth Investment Fund £300m government-backed capital programme for the youth estate in England, targeted at the most deprived areas with 70% of investment directed to IMD 1-3 areas. Funding supports new build and refurbishment of youth facilities, with 846,000 young people (more than 1 in 7) within 35-minute walking distance of a funded facility.
- Youth Investment Fund Modern Methods of Construction Programme £22m strand of the Youth Investment Fund providing capital grants to 16 youth services to build 22 new youth facilities using Modern Methods of Construction across Cambridgeshire, County Durham, Gloucestershire, Greater London, Greater Manchester, Hampshire, Kent, Leicestershire, Merseyside, Norfolk, North Yorkshire, Nottinghamshire, South Yorkshire and West Yorkshire.
- Liverpool City Region Social Investment Pathfinder Fund Seven-year £50m social investment fund for the Liverpool City Region, managed by SIB on behalf of the Liverpool City Region Combined Authority, investing across early-stage blended finance, scale-up investment and a land and property vehicle for community asset ownership, with prioritisation of Black-led and underrepresented enterprises.
Quantifiable outcome
- 846,000 young people (1 in 7) in England will live within 35-minute walk of a new youth facility
- +6 more outcomes
Companies that use Social Investment Business
Customer profileNamed customers17 records
Segments4 records
Ideal customer profiles4 records
Social Investment Business technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature2 records
Social Investment Business partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered core and supporting.
- Groundwork UKcoreDelivery partner for Energy Resilience Fund. Groundwork works with communities to create lasting positive change, supporting skills, employment, and green spaces.
- Homeless LinkcoreDelivery partner for Energy Resilience Fund, supporting organisations working with people experiencing homelessness in England.
- The Architectural Heritage FundcoreDelivery partner for Energy Resilience Fund, providing advice, grants, and loan finance for historic building conservation for community benefit.
- The Ubele InitiativecoreDelivery partner for Energy Resilience Fund. Ubele is an African diaspora-led intergenerational charitable organisation.
- Cornwall InsightsupportingEnergy research partner providing forecasts and analysis on charity and small business electricity costs. Commissioned by SIB for energy resilience research published June 2026.
- Warm Welcome CampaignsupportingPartner in SIB's energy resilience research. Campaign data shows over one in five community spaces struggling to pay energy bills.
- Centre for Sustainable EnergycoreProvides support to Energy Resilience Fund applicants to develop well-thought-through funding requests, including project plans, quotes, and permissions.
- University of LeedssupportingResearch partner commissioning SIB-commissioned youth work study. Partners in Masters Dissertation Scheme supporting youth provision mapping research.
Scale indicators11 records
Recent moves7 records
Expansion highlights6 records
Social Investment Business competitors and assessment
Company assessmentDirect peers
- Resonance Ltd: Resonance is a UK social impact investment company specialising in property funds for affordable housing and community assets, and is a delivery partner on SIB's Energy Resilience Fund. Directly comparable impact-first investor with similar loan/investment products to charities and social enterprises.
- Unity Trust Bank: Unity Trust Bank is a UK commercial bank serving charities, social enterprises, and mission-led organisations with lending and banking services. Closely comparable in customer segment (UK charities and social enterprises) and mission focus, though operating with full banking licence rather than fund management model.
- Architectural Heritage Fund: AHF provides advice, grants, and loan finance for the conservation and reuse of historic buildings for community benefit. Directly comparable specialist social investor and a delivery partner on SIB's Energy Resilience Fund; both deploy blended finance into community assets.
- Co-operative and Community Finance: Co-operative and Community Finance provides ethical lending to community businesses, co-operatives, and social enterprises across the UK. Directly comparable CDFI with overlapping mission and customer base; both are delivery partners on SIB's Energy Resilience Fund consortium.
- Big Issue Invest: Big Issue Invest provides loans, grants, and impact investment to social enterprises and charities in the UK, and is a delivery partner on SIB's Energy Resilience Fund. Directly comparable social finance intermediary with overlapping customer base of UK charities and CICs.
- Key Fund: Key Fund provides loans and grants to community and social enterprises in the North and Midlands of England, and previously managed the Energy Resilience Fund pilot before partnering with SIB on the scaled programme. Directly comparable regional social investor with overlapping geographic and customer footprint.
- Access - The Foundation for Social Investment: Access is an independent foundation that funds the Reach Fund grant programme which SIB administers. Directly comparable grantmaker and sector-builder focused on strengthening the UK social investment market — both serve as intermediaries between funders and charities/social enterprises.
- Charity Bank: Charity Bank is a UK ethical savings bank lending exclusively to charities and social enterprises. Closely comparable in mission and customer segment to SIB's Community Builders Fund and Energy Resilience Fund; both are SIB delivery partners and operate in the same UK social lending market.
Broad incumbents
- Triodos Bank UK: Triodos Bank UK is a sustainable bank lending to organic farming, renewable energy, and social enterprises, including as a Reach Fund Access Point. Broader incumbent in the social/sustainable finance space with much larger balance sheet and full banking services.
- British Business Bank: British Business Bank is a UK Government-backed development bank operating regional growth funds, venture debt, and social investment programmes. Comparable as a government-backed social/small business finance vehicle, but at much larger scale with broader scope beyond social enterprises.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
Social Investment Business social profiles
Digital presenceSocial Investment Business financial estimates
Financial estimateRevenue estimate
Valuation estimate
Social Investment Business leadership team
Management profileNumber of profiles
Profiles5 records
Social Investment Business subsidiaries and ownership
Company hierarchySubsidiaries6 records
Social Investment Business funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Social Investment Business M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Social Investment Business
What does Social Investment Business do?
Social Investment Business provides loans and grants to UK charities and social enterprises, and acts as a fund manager for government-backed and foundation-backed social investment programmes. Its active offerings include the Community Builders Fund (£100k–£1.5m loans at 7.9% fixed interest), the Energy Resilience Fund (£25k–£250k blended grant and loan for energy efficiency), the Reach Fund (£5k–£15k investment readiness grants), the Better Youth Spaces capital grant programme (£5k–£100k), and the £300m Youth Investment Fund with its Modern Methods of Construction strand. SIB combines this finance with investment readiness support, impact research and policy advocacy focused on youth services, community buildings and the social economy.
Is Social Investment Business a public or private company?
Social Investment Business is a private company. It is classified as nonprofit foundation owned and is currently operating.
When was Social Investment Business founded?
Social Investment Business was founded in 2002. It employs 51 to 100 people.
Where is Social Investment Business based?
Social Investment Business is headquartered in London, United Kingdom, in the Europe region.
How does Social Investment Business make money?
Two revenue lines are on record. Social Investment Administration is the primary driver. The others are loan Portfolio Returns.
Who are Social Investment Business's main competitors?
Direct peers on record are Resonance Ltd, Unity Trust Bank, Architectural Heritage Fund, Co-operative and Community Finance, Big Issue Invest, Key Fund, Access - The Foundation for Social Investment and Charity Bank. Broad incumbents are Triodos Bank UK and British Business Bank.
Does Social Investment Business have an API?
No public API is recorded for Social Investment Business.
What industry is Social Investment Business in?
Social Investment Business's product category is Social Investment Lending. Its primary akta.pro industry code is FSANAJAH, Social Impact & Inclusive Finance Funds, with a secondary code of FSAAALAG, Sustainable Private Markets (Impact PE/VC, Private Credit, Infrastructure). Its NAICS code is 81321 and its SIC code is 6282.