With increased scrutiny on tax-efficient investment schemes it is important that managers looking to offer these kinds of schemes to investors work with a nominee and administrator that truly understands the details.

Mainspring has the specialist knowledge you need, and leverages technology to provide efficient and reliable services that match your ambitions at a cost commensurate with your fund’s size.

Fund Types

  • EIS and Seed EIS Funds
  • IHT Funds
  • Social Investment Tax Relief Funds (SITR)
  • Managed Accounts SPVs

Our Services

Mainspring advises on all aspects of fund establishment, including tax efficient structuring, risk analysis, financial planning and legislative guidance.

Mainspring helps manage the checks required to ensure compliance with Anti-Money Laundering and Know Your Customer regulations.

Mainspring manages all of the administrative tasks associated with client investments and other transactions.

Mainspring provides administrative services to a multitude of structurally diverse funds, including valuation, accounting and reporting.


  • “Working with Mainspring is a pleasure – the whole team works hard to reduce the amount of time we have to spend away from investing and managing the portfolio.”

    Robert Dighero, Partner, Passion Capital

  • “Mainspring administers all our funds robustly and effectively and provides us with high-quality support across our core private equity fund operations.”

    Mr. Jonathan Brod, Partner, Next Wave Partners

  • “Mainspring provides a robust and trustworthy infrastructure for our EIS and IHT funds, freeing us up to focus on building our business; and they understand fund reporting like nobody else.”

    Nigel Ashfield, Managing Director TIME Investments

NB: Regulated custody and nominee services are provided by Mainspring Nominees Limited, which is authorised and regulated in the UK by the Financial Conduct Authority.

With increased scrutiny on tax-efficient investment schemes it is important that managers looking to offer these kinds of schemes to investors work with a nominee and administrator that truly understands the details.

Mainspring has the specialist knowledge you need, and leverages technology to provide efficient and reliable services that match your ambitions at a cost commensurate with your fund’s size.

Fund Types

  • EIS and Seed EIS Funds
  • IHT Funds
  • Social Investment Tax Relief Funds (SITR)
  • Managed Accounts SPVs

Our Services

Mainspring advises on all aspects of fund establishment, including tax efficient structuring, risk analysis, financial planning and legislative guidance.

Mainspring helps manage the checks required to ensure compliance with Anti-Money Laundering and Know Your Customer regulations.

Mainspring manages all of the administrative tasks associated with client investments and other transactions.

Mainspring provides administrative services to a multitude of structurally diverse funds, including valuation, accounting and reporting.

  • “Working with Mainspring is a pleasure – the whole team works hard to reduce the amount of time we have to spend away from investing and managing the portfolio.”

    Robert Dighero, Partner, Passion Capital

  • “Mainspring administers all our funds robustly and effectively and provides us with high-quality support across our core private equity fund operations.”

    Mr. Jonathan Brod, Partner, Next Wave Partners

  • “Mainspring provides a robust and trustworthy infrastructure for our EIS and IHT funds, freeing us up to focus on building our business; and they understand fund reporting like nobody else.”

    Nigel Ashfield, Managing Director TIME Investments

NB: Regulated custody and nominee services are provided by Mainspring Nominees Limited, which is authorised and regulated in the UK by the Financial Conduct Authority.

With increased scrutiny on tax-efficient investment schemes it is important that managers looking to offer these kinds of schemes to investors work with a nominee and administrator that truly understands the details.

Mainspring has the specialist knowledge you need, and leverages technology to provide efficient and reliable services that match your ambitions at a cost commensurate with your fund’s size.

Fund Types

  • EIS and Seed EIS Funds
  • IHT Funds
  • Social Investment Tax Relief Funds (SITR)
  • Managed Accounts SPVs

Our Services

Mainspring advises on all aspects of fund establishment, including tax efficient structuring, risk analysis, financial planning and legislative guidance.

Mainspring helps manage the checks required to ensure compliance with Anti-Money Laundering and Know Your Customer regulations.

Mainspring manages all of the administrative tasks associated with client investments and other transactions.

Mainspring provides administrative services to a multitude of structurally diverse funds, including valuation, accounting and reporting.

  • “Working with Mainspring is a pleasure – the whole team works hard to reduce the amount of time we have to spend away from investing and managing the portfolio.”

    Robert Dighero, Partner, Passion Capital

  • “Mainspring administers all our funds robustly and effectively and provides us with high-quality support across our core private equity fund operations.”

    Mr. Jonathan Brod, Partner, Next Wave Partners

  • “Mainspring provides a robust and trustworthy infrastructure for our EIS and IHT funds, freeing us up to focus on building our business; and they understand fund reporting like nobody else.”

    Nigel Ashfield, Managing Director TIME Investments

NB: Regulated custody and nominee services are provided by Mainspring Nominees Limited, which is authorised and regulated in the UK by the Financial Conduct Authority.

With increased scrutiny on tax-efficient investment schemes it is important that managers looking to offer these kinds of schemes to investors work with a nominee and administrator that truly understands the details.

Mainspring has the specialist knowledge you need, and leverages technology to provide efficient and reliable services that match your ambitions at a cost commensurate with your fund’s size.

Our Services

Mainspring advises on all aspects of fund establishment, including tax efficient structuring, risk analysis, financial planning and legislative guidance.

Mainspring helps manage the checks required to ensure compliance with Anti-Money Laundering and Know Your Customer regulations.

Mainspring manages all of the administrative tasks associated with client investments and other transactions.

Mainspring provides administrative services to a multitude of structurally diverse funds, including valuation, accounting and reporting.

Fund Types

  • EIS and Seed EIS Funds
  • IHT Funds
  • Social Investment Tax Relief Funds (SITR)
  • Managed Accounts SPVs
  • “Working with Mainspring is a pleasure – the whole team works hard to reduce the amount of time we have to spend away from investing and managing the portfolio.”

    Robert Dighero, Partner, Passion Capital

  • “Mainspring administers all our funds robustly and effectively and provides us with high-quality support across our core private equity fund operations.”

    Mr. Jonathan Brod, Partner, Next Wave Partners

  • “Mainspring provides a robust and trustworthy infrastructure for our EIS and IHT funds, freeing us up to focus on building our business; and they understand fund reporting like nobody else.”

    Nigel Ashfield, Managing Director TIME Investments

“Working with Mainspring is a pleasure – the whole team works hard to reduce the amount of time we have to spend away from investing and managing the portfolio.”
Robert Dighero, Partner, Passion Capital


NB: Regulated custody and nominee services are provided by Mainspring Nominees Limited, which is authorised and regulated in the UK by the Financial Conduct Authority.

With increased scrutiny on tax-efficient investment schemes it is important that managers looking to offer these kinds of schemes to investors work with a nominee and administrator that truly understands the details.

Mainspring has the specialist knowledge you need, and leverages technology to provide efficient and reliable services that match your ambitions at a cost commensurate with your fund’s size.

Our Services

Mainspring advises on all aspects of fund establishment, including tax efficient structuring, risk analysis, financial planning and legislative guidance.

Mainspring helps manage the checks required to ensure compliance with Anti-Money Laundering and Know Your Customer regulations.

Mainspring manages all of the administrative tasks associated with client investments and other transactions.

Mainspring provides administrative services to a multitude of structurally diverse funds, including valuation, accounting and reporting.

Fund Types

  • EIS and Seed EIS Funds
  • IHT Funds
  • Social Investment Tax Relief Funds (SITR)
  • Managed Accounts SPVs
  • “Working with Mainspring is a pleasure – the whole team works hard to reduce the amount of time we have to spend away from investing and managing the portfolio.”

    Robert Dighero, Partner, Passion Capital

  • “Mainspring administers all our funds robustly and effectively and provides us with high-quality support across our core private equity fund operations.”

    Mr. Jonathan Brod, Partner, Next Wave Partners

  • “Mainspring provides a robust and trustworthy infrastructure for our EIS and IHT funds, freeing us up to focus on building our business; and they understand fund reporting like nobody else.”

    Nigel Ashfield, Managing Director TIME Investments

NB: Regulated custody and nominee services are provided by Mainspring Nominees Limited, which is authorised and regulated in the UK by the Financial Conduct Authority.