Best way for IR35 contracts through Employment Businesses

Hello and thank you for any time or help anyone can provide to me. Working in and with the construction industry I am trying to determine what the best way to try and work around the IR35 would be.

I understand that by signing a contract with an employment business it may imply that I am under their control which could place me inside the scope of the IR35. I understand about right to substitution, control, financial profit or loss from good working practices, working on simultaneous contracts at the same time and so on are all in favour of being outside the scope of the IR35 and the Agency in their terms of engagement state that you have the right to provide a representative / replacement to carry out the work on your behalf, problems with poor work will mean I have to redo the job and so on. The contract and all is very much putting me outside the scope of the IR35 but I'm worried about actual working conditions, especially the control factor that may make me fall within the scope. I understand this is very much a grey area so am trying to seek more guidance on the matter.

As a painter/decorator and also a handyman I was wondering if there are any ways in which the agency and / or end client can help me and other contractors to fall outside of the scope of the IR35 and if they can, then why is this not becoming standard practice? Surely it would prevent either the agency and / or end client from having to pay employers class 1 NICs and holiday pay and so on.

Even if I am paid on an hourly rate, if my work is done poorly I will have to rectify it at my own time and own expense. Surely this is a strong indicator of self employment? However the fact I'm paid hourly would also help imply that it is one of employment?

Any feedback on this topic would be very much appreciated. If I fall within the IR35 then my price rates will have to be taken into account.

Many thanks

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DLMS