ECI Partners Strengthens Investment and Finance Teams with Key Appointments
By Ali Paterson · 2 September 2026
In brief: ECI Partners has appointed Jessica Johnston as Investment Manager and Kajivan Kanthasamy as Finance Manager to strengthen deal execution and financial operations during its latest fund deployment.
| Investment Manager | Jessica Johnston |
|---|---|
| Finance Manager | Kajivan Kanthasamy |
| Funds Under Management | c. £3bn |
| Target Enterprise Value | Up to £300m |

Quick Summary
UK private equity firm ECI Partners has expanded its team by appointing Jessica Johnston as Investment Manager and Kajivan Kanthasamy as Finance Manager. The strategic appointments strengthen ECI Partners investment team as the firm actively deploys capital from its latest fund into high-growth UK and European companies.
How Is ECI Partners Expanding Its Deal Origination Capabilities?
ECI Partners investment team has bolstered its origination and execution capacity through the appointment of Jessica Johnston as Investment Manager. Bringing five years deal experience from Raymond James, Johnston specialized in advising founders and private equity sponsors across the UK and Europe within the data services, software, and professional services sectors. In her new role, she will concentrate on identifying growth businesses, executing new deals, and offering strategic portfolio support for management teams post-investment.
What Capabilities Does the New Finance Appointment Bring to ECI?
The operational and reporting framework at ECI is reinforced by Kajivan Kanthasamy, who joins as Finance Manager covering both management and fund entities. Kanthasamy brings six years private equity experience from Montagu Private Equity, where he managed FCA regulatory filings, financial reporting, budgeting, and tech solution implementations. Having trained as a Chartered Accountant with Forvis Mazars, his background covers extensive audit work for large listed entities, adding deep regulatory precision to ECI's financial management.
- 5 years experience in PE deal advisory added to investment team.
- 6 years experience in fund finance and FCA regulatory filings added to finance team.
- £3bn funds managed focused on growth businesses valued up to £300m.
“These appointments reflect our continued investment in the team as we deploy our latest fund and build towards ECI 13. Jessica and Kajivan bring real strength in depth, in origination and execution on the investment side, and in financial rigour on the finance side, and I'm delighted to welcome them both to ECI,” said Chris Watt, Managing Partner at ECI.
FF NEWS TAKE:
Mid-market private equity execution relies heavily on origination speed and bulletproof financial compliance. By hiring proven talent from Raymond James and Montagu Private Equity, ECI Partners is fortifying its operational foundation at a crucial moment in the fundraising cycle. As private equity deal-making becomes increasingly competitive across European software and tech-enabled services, having deep sector expertise and rigorous internal controls is key to driving value creation.
Frequently asked questions
Who has ECI Partners appointed to its team?
ECI Partners has appointed Jessica Johnston as Investment Manager and Kajivan Kanthasamy as Finance Manager. Johnston joins from Raymond James, while Kanthasamy spent six years at Montagu Private Equity.
What will Jessica Johnston focus on at ECI Partners?
As Investment Manager, Jessica Johnston will focus on originating and executing new investments in resilient growth businesses across data services, software, and professional services, as well as supporting portfolio management teams.
What size businesses does ECI Partners invest in?
ECI Partners manages funds of approximately £3 billion and invests in growth businesses valued up to £300 million through both majority and minority positions.
About the companies
Private Equity
Part of Bain Capital · Website · 1 story on FF News since 2026
Raymond James
Website · 5 stories on FF News since 2025
Previously on FF News:
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- Kashable Appoints Darlene Miranda as VP of Go-to-Market to Scale Employee Financial Wellness 1 September 2026
- Orion180 Files for IPO: Specialty Insurtech Giant Targets Nasdaq Listing Under Ticker OIG 24 August 2026
ECI Partners
Website · 11 stories on FF News since 2024
Previously on FF News:
- EXCLUSIVE: "Fintech’s Fundraising Fallout – And Why There’s Reason Be Cheerful" - Thomas Easterby, HSBC Innovation Banking in 'The Fintech Magazine' 5 October 2026
- ECI Partners Invests in Shaw Gibbs to Scale UK and Ireland Accounting Services 9 September 2026
- ECI Welcomes Gillian Fox and Orlando Machado as Growth Specialists 29 March 2026
Companies in this story: Private Equity, Raymond James, ECI Partners, Forvis Mazars US
People in this story: Jessica Johnston, Kajivan Kanthasamy, Chris Watt