Auckland network technician recommendations

I'm after someone I can pay to help sort out my WiFi and LAN 'issues'

I have an HG569 homehub with DNS pointing to unblock us

the wifi has got crappy and I also want to get a second router working to extend the wifi to the back of the house- I have a second one which was successful for a while.

does anyone have any recommendations on who might be able to come and help sort it out- for payment obviously.

professionals like 'Geeks on Wheels' fine of course, just wondering if someone has sorted these sorts of setups before.

I have ethernet CAT6 to relevant spots and a small patch panel by the router, so no physical wiring required just settings, updates etc

cheers Theo.