Independent data room comparisons for UK businessesPrices shown in GBP where publishedUpdated October 2026
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Data rooms for UK private equity firms

How UK private equity houses use data rooms across a fund's life: LP fundraising, buy-side diligence, portfolio reporting and exits, with FCA and NSI points.

1

Ellty Best fit

A full-featured room in the same class as iDeals and Datasite, with granular permissions, Q&A, watermarking and e-signature, plus AI tools that speed up review and published pricing that makes standing up a room per deal or portfolio company simple.

9.5
Price: $149/mo (approx. £115/mo) Security: SOC 2 Free trial: Yes
2

Datasite

Widely used on both sides of UK buyouts, built for large diligence exercises, and familiar to the investment banks that run most PE exits.

9.0
Price: Quote on request Security: SOC 2 · ISO 27001 Free trial: No
3

iDeals

UK-headquartered with ISO 27001, SSO and an API, which suits firms that want one provider for fundraising, deals and portfolio reporting.

9.2
Price: Quote on request Security: SOC 2 · ISO 27001 Free trial: Yes
5

DealRoom

Combines the room with diligence project management, useful for buy-and-build platforms tracking several add-on acquisitions at once.

8.3
Price: Quote on request Security: SOC 2 · ISO 27001 Free trial: Yes

A private equity firm does not buy a data room for one transaction. Over a fund’s life it will run rooms for raising capital, for every acquisition, for reporting to investors and lenders, and finally for selling each portfolio company. The right choice is the one that fits that whole cycle, not the one that looked best on a single deal.

One fund, four data rooms

1Raise the fund
LP room: PPM, track record, DDQ answers, side letters
2Buy companies
Buy-side diligence on targets, often several at once
3Own and report
Board packs, lender covenants and quarterly LP reports
4Sell and exit
Vendor due diligence room opened to trade and PE buyers
Same fund,same discipline
After the exit, back to step 1: raising the next fund. Same fund, same discipline.
A buyout house runs rooms at every stage of the fund, so permissions and folder habits set at fundraising carry through to exit. Based on the table on this page.

Four uses, four different sets of users

RoomWho is in itHow long it runsWhat matters most
LP fundraisingProspective investors, placement agents, consultantsSix to eighteen months per fundPer-investor permissions, view tracking, DDQ answers kept current
Buy-side diligenceDeal team, advisers, lenders, W&I underwriterWeeks to a few monthsSpeed of review, Q&A with the seller’s adviser, export of findings
Portfolio and LP reportingInvestors, board members, lendersLife of the fundStable structure, quarterly uploads, reliable access logs
ExitTrade and financial buyers, their advisersFour to six monthsStaged access, heavy Q&A, a clean archive for the SPA

On the buy side, the room often belongs to the seller, so the firm’s own choice matters less than how quickly its team can work inside other people’s platforms. On the fundraising, reporting and exit sides, the firm chooses, and that is where consistency pays off.

Fundraising and the FCA perimeter

Most UK private equity managers are authorised by the Financial Conduct Authority as alternative investment fund managers. The fundraising room holds the private placement memorandum, track record, a due diligence questionnaire (often the ILPA template) and draft fund documents. Because it is used to market the fund, its contents fall within the firm’s financial promotion and marketing controls, and compliance will want a record of exactly which version each investor saw. The FCA’s AIFMD pages set out the regime managers work within.

Two practical points follow. Version control matters more than design: a superseded track record left visible to one LP is a compliance issue. And the audit trail is not just for the deal team, because compliance and investor relations will use it to answer questions from LPs and, occasionally, from the regulator.

Buying: working in someone else’s room

When the firm is the bidder, its team is a guest. Speed of review becomes the measure. Agree internally who downloads what, who logs Q&A, and how findings flow to the investment committee paper. If the target operates in a sensitive area such as defence, energy, data infrastructure or artificial intelligence, the National Security and Investment Act 2021 may require a mandatory notification before completion. The government’s NSI guidance lists the 17 sectors, and the deal team should check early, because a review can extend the timetable.

Lenders and warranty and indemnity insurers will need access to the diligence reports, and sometimes the seller’s room. Keep a separate group for them rather than adding individuals to the deal team’s group.

Owning: the reporting room nobody plans for

Portfolio reporting rooms are the longest-lived and the least loved. Quarterly reports, valuations, capital account statements and board packs accumulate for a decade. The structure set up in year one rarely survives, so pick a folder convention that will scale (fund, then vehicle, then quarter) and stick to it. Personal data appears here too: LP contact details and individual capital accounts fall under UK GDPR, so restrict each investor to their own statements.

Selling: running an exit well

Exits are where a PE firm is judged by buyers. A well-run vendor room, with vendor due diligence reports from the start and a clear Q&A process, supports price and shortens the timetable. Buyers expect the same staged access as any UK auction, and in a secondary buyout the buyer is often another PE house with its own exacting standards.

Mistakes worth avoiding

Paying for a new provider on every deal means the team relearns the software each time and loses templates. Treating the LP room as a one-off means DDQ answers drift out of date between funds. Mixing lenders, co-investors and advisers in one permission group creates disclosure problems that are hard to unwind. And forgetting to close portfolio company rooms after an exit leaves information accessible long after anyone needs it.

Budgeting across the fund

Because the firm needs many rooms, the pricing model matters more than the headline. Per-page pricing suits occasional large exits; annual subscriptions covering unlimited rooms suit active deal teams. Ask each provider for the price of a year with, say, three acquisitions, one exit and a standing reporting room, rather than a single-deal quote. Our cost guide and UK ranking are a starting point, and the M&A page covers the auction process in more detail.

Questions people ask

Should a PE firm use one provider for everything?

Often yes for the rooms it controls: fundraising, reporting and exits. Templates, permission sets and the team's familiarity carry over. On the buy side the seller usually chooses, so the team needs to be comfortable in several platforms.

Is a fundraising data room a financial promotion?

Its contents are part of how the fund is marketed, so they fall under the firm's financial promotion and marketing controls. Compliance should approve what goes in and keep a record of which investor saw which version.

Who should have access to a portfolio reporting room?

Each LP should see only its own capital statements plus the shared fund reports. Board members and lenders need separate groups with the documents relevant to their role.

When does the National Security and Investment Act matter?

When a target carries on activities in one of the 17 mandatory sectors, such as defence, energy or data infrastructure. Check at the start of diligence, because a mandatory notification has to be cleared before completion.