Directory of SIB service providers

This directory provides details of providers currently offering support for Social Impact Bond development. It is an open directory and will be updated on a monthly basis, and it may not represent a complete list of service providers in the market. Social Finance and the LGA are not endorsing any particular organisation, and although Social Finance are listed as a provider, commissioners should not feel at all obliged to contract our services.

For details of how to register your organisation for this directory, please click here.


The directory can be filtered by selecting a policy area, and/or a location.

Aleron is a social impact consulting firm dedicated to helping individuals, organisations, and governments to create positive change in society. We support social ventures, from large NGOs to grass-roots enterprises, to improve impact and efficiency. 

We deliver our impact through consulting engagements, conducting independent research, fostering collaboration, and developing solutions. We have passion for finding solutions for social issues and a sincere desire to help our clients improve their impact.

Our team members are results-focused strategists and operational experts, who help social ventures attract millions in funding, generate savings, and demonstrate impact. We also aim to build in-house capabilities.


Angier Griffin is a social economy consultancy which has been taking a leading role in the fields of social value measurement and social finance in the North East for more than 20 years, working with both the public and voluntary sectors.

Founder and principal, Philip Angier, is a former chief executive of fair trade pioneer, Traidcraft, and a former chair of social finance co-operative, Shared Interest (

Philip and his associate team provide investment readiness advice, financial modelling, training in social value measurement and attribution and other related consultancy services with a keen eye to what delivers the ‘social’ in social business.

ATQ Consultants has focused on helping commissioners, providers and investors address the challenges of payment by results, social investment and Social Impact Bonds since 2010.  We are ATQ because we always aim to “answer the question” put to us by our clients.

We have supported commissioners at all stages of SIB development from pre-feasibility assessment of opportunities to use SIBs and PbR to improve social outcomes, through detailed feasibility study and business case development, to hands-on procurement support. We are also working with a number of VCSE organisations to explore the opportunities offered by social investment and develop specific SIBs. 

We advised Birmingham City Council which has recently completed a SIB procurement, and Cardiff Council is well advanced with a SIB procurement based on detailed feasibility work by ATQ.

For further details of services and projects, visit us at

Baker Tilly’s Social Impact Services team, led by Jim Clifford OBE, supports organisations across the UK in:

  • Understanding social impact;
  • Using that understanding to inform strategy;
  • Developing and negotiating Payment by Results commissioning structures; and
  • Creating Social Investment structures including Social Impact Bonds.

Our services to support SIB development include:

  • Mapping and evaluating service outcomes to identify SIB opportunities;
  • Developing and feasibility testing service delivery and financing models;
  • Leading negotiations with funders;
  • Advising on effective corporate, governance and taxation structures.

We are also able to provide financial due diligence on behalf of funders to assess the viability of SIB proposals.

BWB work closely with all the main stakeholders involved in social impact bonds. We advise public authorities, particularly around delivery of social value through commissioning of public services. We act for more charities and social enterprises than any other law firm in the UK, understanding and helping them function effectively within the legal, financial and operational constraints they face. We advise many social investors and are active in helping grow the social investment marketplace. We use this 360 degree perspective to provide informed advice to our clients and to help deliver SIB related projects.

Bidright UK is an Approved Provider of the Social Investment Business’ £10m Investment and Contract Readiness Fund. We supported twelve ventures develop and implement successful proposals for this fund. We have over 20 consultants with expertise across all areas of contract/ investment readiness including finance, investment, marketing, project design, social impact measurement, bid-writing, consortium-building, contract implementation/ management. We have specialist consultants for: health; young people; families; offenders. Funding streams we work with include: SFA, Local Authority, Department of Work and Pensions, ESF, Department of Health, Ministry of Justice, ERDF, Big Lottery.                                         

We have designed winning £multi-million Payment by Results projects.

We help charities, philanthropists and impact investors aiming to procure a social return where capital is deployed, to seek both positive social outcomes and financial returns. We help social enterprises navigate the legal and regulatory obstacles of this emerging market and satisfy the demands of funders when looking to raise finance in new ways such as social impact bonds. As public bodies increasingly move away from grants to using contracts where services are commissioned or purchased, we can help organisations manage the often complex tax implications which may be involved. 

ClearlySo is a financial intermediary, advising impact-centred organisations on raising capital. We work exclusively with high-impact businesses, charities and funds. We support their growth through financial advisory work, and introduce them to institutional and individual investors who share their objectives and values. We see social impact bonds as an important way for charities and businesses (especially social enterprises) to grow and scale. 

Cogent Ventures are specialist health and social care business advisors. Our Commissioning Support and Corporate Finance teams can support Clinical Commissioning Groups in the development of SIBs in the following ways:

·      Data analysis and stakeholder engagement
·      Outcome definition
·      Interventions concept design
·      Investor engagement
·      Financial modeling and Value for Money assessments
·      Programme and SIB structure design
·      Procurement support
·      SIB contract development
·      Performance management system

Ecorys undertakes policy research, evaluation and technical assistance support for central government, local public bodies and voluntary and community sector organisations, covering all aspects of economic and social policy. We are able to support organisations in evaluating SIBs, including process evaluations, impact evaluations (including counterfactuals) and Cost Benefit Analysis. We can apply our expertise to support setting up some aspects of SIBs, including developing outcomes frameworks and cost saving models. We have a good track record evaluating the process and impact of SIBs, delivering the Commissioning Better Outcomes Evaluation for Big Lottery Fund, through which we are evaluating 35 SIBs. 

Eight Ninths Ltd is a small health and social care consultancy company working primarily in the north of England.  Our client base is mainly healthcare providers, though we have also worked with NHS commissioners, local authorities, small businesses, and community interest companies.  We help organisations to develop strategy, to identify and progress new business opportunities; we can also support the programme or project management of complex and difficult new projects, especially where there may be tension and conflict.   We can undertake business planning, costing and can support organisations to create financial plans.  We are interested in innovation and innovative ways of responding to the challenges of the health and social care sector, including the use of social impact bonds.

We have been active in promoting and financing both quoted and unlisted companies for nearly 20 years, always with FCA (FSA) authorisation. Both debt and equity solutions are available, as appropriate

Evidence-Based Social Investments (EBSI) offers procurable solutions to commissioners who wish to deliver evidence-based preventative programmes using a social investment model.

Fix It is a Wigan based charity working with disadvantaged young people, many of whom are not in education, employment or training (NEET) or at risk of becoming NEET across the Greater Manchester area. Our charitable aim is to improve young people’s life circumstances and chances by engaging them in motor vehicle based vocational training and personal development activities to support their transition into sustainable employment or further training. We work with 130 at risk young people each week. The project is nearly 10 years and we welcome the opportunity to expand our delivery using the SIB model.

Future Public is a service design agency and social impact intermediary, with experience in the design and development of new propositions and solutions, and a proven track record of supporting existing Social Impact Bonds in the implementation and delivery phases.

We specialise in a small number of areas where we have deep sector expertise and existing relationships: 

  • health and social care (particularly around ageing / elder care)
  • employment and skills (particularly long-term unemployment)
  • justice and offender rehabilitation
  • children’s services (fostering and adoption)
  • complex needs / multiple interventions

1. Proposition Design / Development

We use collaborative design practices, involving service users, practitioners, commissioners and delivery organisations to develop commercially viable, user-led and high social impact solutions. This is essential in developing new models which involve multiple stakeholders so there is an agreed delivery blueprint and deep alignment of philosophy and approach.

2. Support in Implementation / Delivery

We have supported the implementation of a therapeutic fostering SIB by developing the governance and reporting capability and embedded new performance management, data analysis and reporting processes into a national adoption SIB. 

Gecko works to develop organisations, projects and people, focusing upon the creative and voluntary sectors. We are an Approved ICRF Provider, and have worked with a range of private sector organisations and public sector institutions to bring about organisational change, or to develop discrete projects. In practice, we develop and test business and marketing plans, and build operations with the appropriate strategy, systems, skills and staff. We also prepare and submit tenders and proposals.

As an EDI centre, we are able to bring external funding for the provision of training programmes. We also operate beyond this nation, with European curriculum development partnerships, and partnerships that transfer innovative curriculum across the EU, so that we stay at the leading edge of curriculum delivery.

Hogan Lovells is a global legal practice that helps corporations, financial institutions, and governmental entities across the spectrum of their critical business and legal issues globally and locally. We have over 2,500 lawyers operating out of more than 40 offices around the world.  Our practice breadth and industry knowledge provide us with insights into the issues that affect our clients most deeply and enable us to provide high quality business-oriented legal advice to assist them in achieving their goals, whether commercial or social.

i for change is an FCA-registered financial intermediary – a social investment consultancy. We have worked on a range of social investments, including social impact bonds, funds, and direct investments. 

Public Sector: Social investment in public services often involves payment-by-results contracts and public sector spin-outs.  We understand the complex dynamics surrounding the detail of social investments and have worked on several social impact bonds and alternative structures.

VCSEs: We work with voluntary sector organisations, and social enterprises to prepare for social investment – we train executives and trustees in social investment and work on specific deals from initial concept, to identifying appropriate outcome metrics, to raising investment money.

 Social investors: We offer financial advice and due diligence services. We help investors find deals that meet their economic and impact goals, and fit social investments into a wider investment portfolio.

ICF International is a leading provider of public policy consulting services in the UK Our expertise comes from some of the first and most comprehensive evaluations of PbR and SIB interventions in the UK – including the London Homelessness SIB. Our multi-disciplinary team has a deep understanding of effective PbR and SIB design, implementation and evaluation. 

We have international – notably from the United States - expertise and resources including evidence clearing houses.  Our librarians search 60,000 English language sources each week. Our expertise in the identification, collection and analysis of the best evidence is complemented by our sensitive and tailored approach to working with commissioners, providers and their stakeholders.

Impetus – The Private Equity Foundation (Impetus-PEF) brings strategic resources to charities and social enterprises working to improve the lives and prospects of children and young people living in poverty in the UK. Our aim is to ensure that these charities and social enterprises are effectively delivering targeted outcomes and then achieving scale in the areas of educational attainment and work readiness.

Kai-zen is a specialist consultancy company that believes in Voluntary, Community and Social Enterprise sector (VCSE) solutions to the issues and problems faced by people and communities. We work with VCSE organisations on strategy, business planning, and delivery with a key focus on partnership/ consortia development and raising social investment finance and funding. We support public sector organisations, local authorities, probation, and NHS organisations, to develop new funding and delivery models that achieve efficiency savings and maximum social impact.

Local Partnerships was created to help the better delivery of local infrastructure and local services. Local Partnerships is designed to work with government, local authorities, local public bodies, and the community focussed third sector developing client side commercial capability and delivery expertise.

Local Partnerships is a delivery organisation that deploys people with professional backgrounds, experience and a strong track record in financing and commercial delivery to deliver outcomes which benefit local service users. In 2012-13, Local Partnerships worked directly with 65% of all local Councils in England and Wales.

Local Partnerships has been actively working in the social investment space since 2009. Our work includes fund management (we co-managed the Department of Health’s £100m Social Enterprise Investment Fund with The Social Investment Business), facilitating networks, fund development, supporting new investment models (such as payment by results and social impact bonds) and being an approved provider for the Investment and Contract Readiness Fund.

Northstar Ventures is one of the North East of England’s leading and ambitious intermediary investors managing a number of funds aimed at innovative, high growth businesses and social enterprises across the region. The North East Social Investment Fund is a £9m fund investing in sustainable Social Enterprises to improve their social impact in key priority sectors. Our investment team has considerable experience in working with social enterprises to raise finance in the social investment sector and has worked with providers and deliverers to structure a social impact bond.

Numbers4Good is a pioneering financial organisation bridging the worlds of finance and positive social and environmental impact. Our vision is for global financial markets to serve people and planet.

Since our inception two years ago we have designed and launched two social impact bonds (and are currently working on five more), created an accelerator fund for social entrepreneurs seeking to tackle healthcare inequalities and helped numerous social enterprises, charities, housing associations and corporates understand how social investment can help them. Last year we raised £6m investment for the charities and social enterprises we work with.

Social impact bonds are uncharted territory for many charities and social enterprises and their complexity can be daunting. We make sure our clients fully understand each step of the journey and are empowered to make decisions to drive the development of the SIB – acting as real partners in the model, not just ‘service providers’.  

PwC is one of the world’s pre-eminent professional services organisations. As professional advisers we help our clients solve complex business problems and aim to enhance their ability to build value, manage risk and improve performance. We have a dedicated Social Investment and Enterprise Team that provides a range of services to social enterprises, charities, commissioners in the public sector, impact investors and corporates.  ​

RedQuadrant is an exciting transformation consultancy for the public sector.

As recognised experts in local government, we have a successful track record of supporting clients to actively grasp the potential of change. Our approach to transformation is to focus on making change happen whilst ensuring that change is sustainable and hence skills transfer and co-design are central to our work.

We have undertaken work with over 50 local authorities, the police, probation trusts and the charity sector. We have worked with these organisations to develop and implement improvements and models that save money whilst retaining and improving service levels.

SafeLives is a national charity dedicated to ending domestic abuse. Previously called CAADA, we chose our new name because we’re here for one simple reason: to make sure all families are safe. Our experts find out what works to stop domestic abuse. Then we do everything we can to make sure families everywhere benefit. It works: after getting the right help, more than 60% of victims tell us that the abuse stops. Our new strategy focuses on addressing the needs of the whole family – including perpetrators.

Social Finance is a not-for-profit financial intermediary authorised and regulated by the Financial Conduct Authority. We have a team of 45 professionals and a non-executive board of leading figures from the social, financial and governmental sectors. We design financial and advisory services and products for social sector organisations. We look for structures that offer flexibility and long-term funding, and encourage innovation to deliver maximum impact.

Since we started in 2007, Social Finance has raised over £12 million of social investment and pioneered the Social Investment Bank, Social Impact Bonds, Development Impact Bonds, the application of Jam Jar Accounts, the Care and Wellbeing Fund and a Global Fund of Funds.

Our SIB consultancy services for investors and intermediaries include:

Impact Analysis and Assessment Services 

Practical implementation of the Methodology for Impact Analysis and Assessment (MIAA), developed over 5 years by our affiliate organisation Investing for Good and published in The Good Analyst, to track the social performance of specific investments and portfolios. 

Impact Investment Strategy Services

Incorporation of impact into the operating model, including investment decision-making processes, systems and organisational design, harnessing our proprietary guide to best impact investment practice, The Good Investor

Our SIB consultancy services for charities and social enterprises include:

Impact Measurement and Reporting Services 

Development and implementation of a bespoke impact measurement and reporting system. 

The RTK Ltd is a vibrant network of senior associates with extensive practical experience of working with local and national government, and the not-for-profit sector.  Bespoke teams from The RTK work with clients to put together sound business cases for their services. We help them select the right key performance indicators, enabling robust measurement and evaluation. We support the delivery of economy, greater efficiency and improved effectiveness; we enable clients to provide service commissioners and funders with clear evidence of how they deliver both value for money, and the best quality service.

The Young Foundation was established in 2005 and has been instrumental in driving thinking, action and change in social innovation in the UK and abroad. Our priority is tackling inequality through disruptive innovation. We work closely with individuals, communities and partners building relationships to ensure that our thinking does something, our actions matter and the changes we make together will continue to grow. We operate nationally and internationally and currently employ 49 staff. We organise our work around three core business areas; Research, Applied Innovation and Ventures. 

Triodos is one of Europe’s leading ethical banks and exists to finance and support organisations whose primary objective is to generate a positive social or environmental impact. The Bank has operations in 5 European countries including the UK and has over £8.5bn of funds entrusted to it. The UK based Triodos Corporate Finance team are widely recognised as a leading intermediary in the social investment sector and have considerable experience in advising charities and social enterprises on raising finance and in working in partnership with commissioners, investors and providers in structuring social impact bonds.