I have been researching this subject lately. If the arrangement is aligned with the 12 to 18 month long National Apprentice Scheme, I think it works like this:
The apprentice would be aligned to the Trees and Forestry Modern Aprenticeship scheme. It has defined objectives for thoery training, practical training, and experience. See lantra web site for details.
The employer takes advise from the local college or/and the county/area National Apprenticeship scheme advisor. The employer, and the local college strike up the arrangement between them to align with the scheme and who is reponsible for what. the college provides free of charge a fair amount of the training required. NVQs and some equipment training. The employer I think has to pay/arrange/undertake some of the apprentice training. Also certain objectives in the work have to be provided.
Sometimes the college takes the lead with the selection and interview process, sometimes the employer. In my area the County Council are involved as well. CC or college may even conduct much of the selection for the employer.
Employer takes on the apprentice as an employee and pays them a wage.
In the first month the National Apprentice Scheme give the employer approx £1500 to help with wages. In the third month the employer gets about £1000 as a second and final wages grant. In my area the County Council provide a separate grant to the employer to buy equipment (PPE/Saw/Climbing gear)and to help pay costs/wages while the apprentice is training. This CC grant can be approx £2,500.
The employer allows the apprentice one day a week for maybe 22 weeks to attend college for NVQs, and allow time for other training such as CS30, 31, Safe use of Pesticides, chipper etc. as is relevent to Forestry or Arboriculture. I think the employer provides paid holiday as well, but probably not sick pay.
The employer gets 4 days a week of a young lad, who admittedly is an overhead/liability for the first month, and is barely useful for the the 2nd month, with I guess increasing usefulness over time. maybe by month three you just about have a useful groundsman normally worth £65 a day for the 4 days a week you have the apprentice available. And by month 8 the apprentice could be up the tree under your instruction.
The representatives in the National Apprenticeship Scheme Gov department are keen to meet interested employers, they visit you.
As for wage, well you could abopt the govenment minimum, which is somewhere aropund £75 to £95 a week. Which in my view is not enough for this industry to get the right level of motovation for hard work and right type of person, except maybe for coppicing/weaving or similar very low margin work/rural craft. On these wages, unless the apprentice lives at home funded by bank of mum and dad, then I don't see it being a very sustainable arrangement. Particularly as the colleges are this year withdrawing assistance with accommodation costs for apprentices. Hardworking/grafter young men I suspect will not work their boots off for a few pounds more that unemployment benefit. I think the £80 a week is aimed at different type of worker.
I did hear of a company in the south of England that has employed apprentices with a college in Dorchester, and I think they paid them £135 a week. Some large national businesses have a mimimum wage policy, which seems to be around £187 week for apprentices. I also heard that for apprentices in remote areas of Scotland, wages have to be higher because of the transport and, local living challanges. I have not thought through all the PAYE tax, NI, etc implications, but personally I think £50 a day for the days they are actually working is a reasonable starting point, in effect £200 a week. Where the Gov Grant of £2.5K pays for the first 13 weeks, thereafter the apprentice has to be productive earn his £50 a day. Also, if the apprentice is good and the employer does not want him going elsewhere, then review the wage when the apprentice becomes increasingly useful.
Bear in mind: if an apprentice has to live in a bedsit/loggings near your yard in the sticks so they can be there at 7 in the morning, then it costs them £80 - £95 a week for a room. Min housing allowance figure for my area is £123 a week. Job Seeker Allowance is I think about £52 a week. Hardworking young people, need a lot of calories so they have enough energy, that too costs more that for other types of work. I think a McJob would pay about 5.10 per hour (about £190 week), so some incentive to work their boots off in all weathers for this industry might be needed.
But hey, I am not an employer, and new to this. What what would i know. Just guessing and learning.
Good Luck.