Wycombe-headquartered Monodraught provides ventilation systems mainly to the education sector.
AnaCap acquired a majority stake in e-commerce specialist Heidelpay in January.
Crawford becomes the third investment from Limerston's debut fund, which closed at more than £200m earlier this year.
From Jon Moulton talking haemorrhoids to Glenn Youngkin dragging John Major along to meetings, we look back on some of our most memorable conversations with private equity's big guns.
GPs wondered what Real Deals would write about after its first few print runs. Two decades and 400 issues later, we are still going strong.
KKR's last European vehicle closed at €3.3bn in 2015 and is currently 60 per cent deployed.