Anyone used JEM Cars Colindale for servicing?

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Hi guys,
Have put a deposit down an S14 200sx and hope to pick it up later this week. It's in shabby condition on the outside and inside but I believe the engine is sound.

JEM are near me and I was wondering if anyone has had good experiences with them. Will want a full service, Mot, health check and quote on some bodywork.

Any comments appreciated

Thanks

Alex