Where did Mees Pierson's London pensions go? A trail in four acquisitions.

Mees Pierson was a Dutch merchant bank with a real London operation in the 1990s. If you worked there, your pension almost certainly still exists. Finding it is another matter, because the trail runs through four corporate events and ends somewhere nobody would guess.

The employer itself is gone. The UK entity passed through three names, ending as ABN AMRO Fund Services (UK) Ltd, dissolved in 2014. Asking your old employer is impossible when your old employer does not exist.

The government pension register still lists a Mees Pierson scheme, with Friends Life as its last known administrator. Friends Life was acquired by Aviva in 2015. The scheme's registered contact address traces back further still, to AXA Sun Life's old pensions operation in Bristol. So the likely chain runs AXA Sun Life, then Friends Life, then Aviva, while the employer separately passed from ABN AMRO to Fortis in 1996 and back again in 2009.

None of this is written down in one place. The register spells the name two different ways, the scheme sits under a sister company of the operating firm, and the administrator on file has been through two acquisitions since the record was made. A search for the exact employer name returns nothing. The fragments find what the precise search misses.

This is what pension tracing across decades actually looks like: corporate archaeology, register work, and knowing that the phone number on a 2004 record now rings a different company. It took our research team a day. Most people give up long before that, not because the pension is gone, but because the trail was never designed to be followed.

If you worked somewhere that no longer exists, the pension usually still does. Someone holds it. The work is finding out who.